strrat | a6ce3a77ed073f32ba85b270f2de2df50f860e05ffb94aca0855f98ea7127a09

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
09-06-2024 05:06

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General

Target

cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar
Size

481KB
MD5

cf853ba5808b795bed3b7fc2ba55274f
SHA1

d669abbff493925068e637b999cb28cfbc2181a0
SHA256

cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741
SHA512

33e621a67af9d89580e71e995024bb9b37a7b8c0e0d305c3cc46f957613599d8f85771655767bc97559f1330ba45e4fb6570fb49502627cb14e19955025a0771
SSDEEP

12288:OhlGrKeQSPEIBrX01FURb5hvdCqBFkMNi29Kc4:OrGrlzL0M9QEi2Y

Score

10^/10

strrat discovery persistence stealer trojan

Malware Config

Signatures

STRRAT
STRRAT is a remote access tool than can steal credentials and log keystrokes.
trojan stealer strrat
Drops startup file 1 IoCs

Processes:

java.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar java.exe
Loads dropped DLL 1 IoCs

Processes:

java.exe

pid process

1456 java.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3628 icacls.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar	java.exe

pid	process
1456	java.exe

pid	process
3628	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

java.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar\""	java.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

4796 schtasks.exe

pid	process
4796	schtasks.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

java.exejava.execmd.exe

description	pid	process	target process
PID 4580 wrote to memory of 3628	4580	java.exe	icacls.exe
PID 4580 wrote to memory of 3628	4580	java.exe	icacls.exe
PID 4580 wrote to memory of 4880	4580	java.exe	java.exe
PID 4580 wrote to memory of 4880	4580	java.exe	java.exe
PID 4880 wrote to memory of 1060	4880	java.exe	cmd.exe
PID 4880 wrote to memory of 1060	4880	java.exe	cmd.exe
PID 4880 wrote to memory of 1456	4880	java.exe	java.exe
PID 4880 wrote to memory of 1456	4880	java.exe	java.exe
PID 1060 wrote to memory of 4796	1060	cmd.exe	schtasks.exe
PID 1060 wrote to memory of 4796	1060	cmd.exe	schtasks.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:4580

C:\Windows\system32\icacls.exe
C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
2⤵
- Modifies file permissions
PID:3628

C:\Program Files\Java\jre-1.8\bin\java.exe
"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar"
2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4880

C:\Windows\SYSTEM32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar"
3⤵
- Suspicious use of WriteProcessMemory
PID:1060

C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar"
4⤵
- Creates scheduled task(s)
PID:4796

C:\Program Files\Java\jre-1.8\bin\java.exe
"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar"
3⤵
- Loads dropped DLL
PID:1456

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Filesize
46B

MD5
6bda08fb3b62abb49df310110209080e

SHA1
8e8783d9607e24ac5fc4e07cfe0da5af33df396d

SHA256
e0fda16536e27d1a58dae475a1d2bd24fe486f892eb0144eb53c89b745feb9aa

SHA512
b07d3df8dbb004b11247b08935df03cb0ee7e01229c59a7211a8822cca833b18db837df8d7410b0dd5f141f031185c988a9075513a7c526d1918e708a856945c

Download Submit
C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna5934464168927444626.dll
Filesize
241KB

MD5
e02979ecd43bcc9061eb2b494ab5af50

SHA1
3122ac0e751660f646c73b10c4f79685aa65c545

SHA256
a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

SHA512
1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4018855536-2201274732-320770143-1000\83aa4cc77f591dfc2374580bbd95f6ba_4d0966de-9ba4-4ee9-b282-eaf9cf9c9160
Filesize
45B

MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

Download Submit
C:\Users\Admin\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar
Filesize
481KB

MD5
cf853ba5808b795bed3b7fc2ba55274f

SHA1
d669abbff493925068e637b999cb28cfbc2181a0

SHA256
cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741

SHA512
33e621a67af9d89580e71e995024bb9b37a7b8c0e0d305c3cc46f957613599d8f85771655767bc97559f1330ba45e4fb6570fb49502627cb14e19955025a0771

Download Submit
C:\Users\Admin\lib\jna-5.5.0.jar
Filesize
1.4MB

MD5
acfb5b5fd9ee10bf69497792fd469f85

SHA1
0e0845217c4907822403912ad6828d8e0b256208

SHA256
b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

SHA512
e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

Download Submit
C:\Users\Admin\lib\jna-platform-5.5.0.jar
Filesize
2.6MB

MD5
2f4a99c2758e72ee2b59a73586a2322f

SHA1
af38e7c4d0fc73c23ecd785443705bfdee5b90bf

SHA256
24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

SHA512
b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

Download Submit
C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
Filesize
4.1MB

MD5
b33387e15ab150a7bf560abdc73c3bec

SHA1
66b8075784131f578ef893fd7674273f709b9a4c

SHA256
2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

SHA512
25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

Download Submit
C:\Users\Admin\lib\system-hook-3.5.jar
Filesize
772KB

MD5
e1aa38a1e78a76a6de73efae136cdb3a

SHA1
c463da71871f780b2e2e5dba115d43953b537daf

SHA256
2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

SHA512
fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

Download Submit
memory/1456-368-0x0000019D1D6A0000-0x0000019D1D6A1000-memory.dmp

Filesize
4KB

Download
memory/4580-101-0x0000016D00330000-0x0000016D00340000-memory.dmp

Filesize
64KB

Download
memory/4580-40-0x0000016D00340000-0x0000016D00350000-memory.dmp

Filesize
64KB

Download
memory/4580-26-0x0000016D002D0000-0x0000016D002E0000-memory.dmp

Filesize
64KB

Download
memory/4580-28-0x0000016D002E0000-0x0000016D002F0000-memory.dmp

Filesize
64KB

Download
memory/4580-29-0x0000016D002F0000-0x0000016D00300000-memory.dmp

Filesize
64KB

Download
memory/4580-35-0x0000016D00310000-0x0000016D00320000-memory.dmp

Filesize
64KB

Download
memory/4580-36-0x0000016D00320000-0x0000016D00330000-memory.dmp

Filesize
64KB

Download
memory/4580-116-0x0000016D004B0000-0x0000016D004C0000-memory.dmp

Filesize
64KB

Download
memory/4580-39-0x0000016D00330000-0x0000016D00340000-memory.dmp

Filesize
64KB

Download
memory/4580-34-0x0000016D00300000-0x0000016D00310000-memory.dmp

Filesize
64KB

Download
memory/4580-45-0x0000016D00360000-0x0000016D00370000-memory.dmp

Filesize
64KB

Download
memory/4580-44-0x0000016D00350000-0x0000016D00360000-memory.dmp

Filesize
64KB

Download
memory/4580-43-0x0000016D00000000-0x0000016D00270000-memory.dmp

Filesize
2.4MB

Download
memory/4580-54-0x0000016D00380000-0x0000016D00390000-memory.dmp

Filesize
64KB

Download
memory/4580-53-0x0000016D00370000-0x0000016D00380000-memory.dmp

Filesize
64KB

Download
memory/4580-52-0x0000016D00280000-0x0000016D00290000-memory.dmp

Filesize
64KB

Download
memory/4580-51-0x0000016D00270000-0x0000016D00280000-memory.dmp

Filesize
64KB

Download
memory/4580-55-0x0000016D718E0000-0x0000016D718E1000-memory.dmp

Filesize
4KB

Download
memory/4580-61-0x0000016D003A0000-0x0000016D003B0000-memory.dmp

Filesize
64KB

Download
memory/4580-59-0x0000016D00390000-0x0000016D003A0000-memory.dmp

Filesize
64KB

Download
memory/4580-58-0x0000016D00290000-0x0000016D002A0000-memory.dmp

Filesize
64KB

Download
memory/4580-64-0x0000016D002B0000-0x0000016D002C0000-memory.dmp

Filesize
64KB

Download
memory/4580-66-0x0000016D003C0000-0x0000016D003D0000-memory.dmp

Filesize
64KB

Download
memory/4580-65-0x0000016D003B0000-0x0000016D003C0000-memory.dmp

Filesize
64KB

Download
memory/4580-63-0x0000016D002A0000-0x0000016D002B0000-memory.dmp

Filesize
64KB

Download
memory/4580-71-0x0000016D002C0000-0x0000016D002D0000-memory.dmp

Filesize
64KB

Download
memory/4580-75-0x0000016D00400000-0x0000016D00410000-memory.dmp

Filesize
64KB

Download
memory/4580-80-0x0000016D00420000-0x0000016D00430000-memory.dmp

Filesize
64KB

Download
memory/4580-79-0x0000016D00410000-0x0000016D00420000-memory.dmp

Filesize
64KB

Download
memory/4580-78-0x0000016D002D0000-0x0000016D002E0000-memory.dmp

Filesize
64KB

Download
memory/4580-74-0x0000016D003F0000-0x0000016D00400000-memory.dmp

Filesize
64KB

Download
memory/4580-73-0x0000016D003E0000-0x0000016D003F0000-memory.dmp

Filesize
64KB

Download
memory/4580-72-0x0000016D003D0000-0x0000016D003E0000-memory.dmp

Filesize
64KB

Download
memory/4580-85-0x0000016D00430000-0x0000016D00440000-memory.dmp

Filesize
64KB

Download
memory/4580-84-0x0000016D002E0000-0x0000016D002F0000-memory.dmp

Filesize
64KB

Download
memory/4580-87-0x0000016D718E0000-0x0000016D718E1000-memory.dmp

Filesize
4KB

Download
memory/4580-88-0x0000016D002F0000-0x0000016D00300000-memory.dmp

Filesize
64KB

Download
memory/4580-89-0x0000016D00440000-0x0000016D00450000-memory.dmp

Filesize
64KB

Download
memory/4580-96-0x0000016D00320000-0x0000016D00330000-memory.dmp

Filesize
64KB

Download
memory/4580-98-0x0000016D00460000-0x0000016D00470000-memory.dmp

Filesize
64KB

Download
memory/4580-97-0x0000016D00450000-0x0000016D00460000-memory.dmp

Filesize
64KB

Download
memory/4580-106-0x0000016D00360000-0x0000016D00370000-memory.dmp

Filesize
64KB

Download
memory/4580-105-0x0000016D00350000-0x0000016D00360000-memory.dmp

Filesize
64KB

Download
memory/4580-104-0x0000016D00480000-0x0000016D00490000-memory.dmp

Filesize
64KB

Download
memory/4580-103-0x0000016D00470000-0x0000016D00480000-memory.dmp

Filesize
64KB

Download
memory/4580-102-0x0000016D00340000-0x0000016D00350000-memory.dmp

Filesize
64KB

Download
memory/4580-20-0x0000016D002A0000-0x0000016D002B0000-memory.dmp

Filesize
64KB

Download
memory/4580-110-0x0000016D00370000-0x0000016D00380000-memory.dmp

Filesize
64KB

Download
memory/4580-114-0x0000016D00390000-0x0000016D003A0000-memory.dmp

Filesize
64KB

Download
memory/4580-115-0x0000016D003A0000-0x0000016D003B0000-memory.dmp

Filesize
64KB

Download
memory/4580-134-0x0000016D00410000-0x0000016D00420000-memory.dmp

Filesize
64KB

Download
memory/4580-23-0x0000016D002C0000-0x0000016D002D0000-memory.dmp

Filesize
64KB

Download
memory/4580-113-0x0000016D004A0000-0x0000016D004B0000-memory.dmp

Filesize
64KB

Download
memory/4580-112-0x0000016D00490000-0x0000016D004A0000-memory.dmp

Filesize
64KB

Download
memory/4580-111-0x0000016D00380000-0x0000016D00390000-memory.dmp

Filesize
64KB

Download
memory/4580-95-0x0000016D00310000-0x0000016D00320000-memory.dmp

Filesize
64KB

Download
memory/4580-94-0x0000016D00300000-0x0000016D00310000-memory.dmp

Filesize
64KB

Download
memory/4580-123-0x0000016D003B0000-0x0000016D003C0000-memory.dmp

Filesize
64KB

Download
memory/4580-126-0x0000016D718E0000-0x0000016D718E1000-memory.dmp

Filesize
4KB

Download
memory/4580-125-0x0000016D004C0000-0x0000016D004D0000-memory.dmp

Filesize
64KB

Download
memory/4580-124-0x0000016D003C0000-0x0000016D003D0000-memory.dmp

Filesize
64KB

Download
memory/4580-132-0x0000016D004D0000-0x0000016D004E0000-memory.dmp

Filesize
64KB

Download
memory/4580-131-0x0000016D00400000-0x0000016D00410000-memory.dmp

Filesize
64KB

Download
memory/4580-130-0x0000016D003F0000-0x0000016D00400000-memory.dmp

Filesize
64KB

Download
memory/4580-136-0x0000016D004E0000-0x0000016D004F0000-memory.dmp

Filesize
64KB

Download
memory/4580-135-0x0000016D00420000-0x0000016D00430000-memory.dmp

Filesize
64KB

Download
memory/4580-120-0x0000016D718E0000-0x0000016D718E1000-memory.dmp

Filesize
4KB

Download
memory/4580-129-0x0000016D003E0000-0x0000016D003F0000-memory.dmp

Filesize
64KB

Download
memory/4580-128-0x0000016D003D0000-0x0000016D003E0000-memory.dmp

Filesize
64KB

Download
memory/4580-140-0x0000016D004F0000-0x0000016D00500000-memory.dmp

Filesize
64KB

Download
memory/4580-138-0x0000016D00430000-0x0000016D00440000-memory.dmp

Filesize
64KB

Download
memory/4580-141-0x0000016D00440000-0x0000016D00450000-memory.dmp

Filesize
64KB

Download
memory/4580-142-0x0000016D00500000-0x0000016D00510000-memory.dmp

Filesize
64KB

Download
memory/4580-146-0x0000016D00510000-0x0000016D00520000-memory.dmp

Filesize
64KB

Download
memory/4580-145-0x0000016D00460000-0x0000016D00470000-memory.dmp

Filesize
64KB

Download
memory/4580-144-0x0000016D00450000-0x0000016D00460000-memory.dmp

Filesize
64KB

Download
memory/4580-148-0x0000016D00470000-0x0000016D00480000-memory.dmp

Filesize
64KB

Download
memory/4580-149-0x0000016D00520000-0x0000016D00530000-memory.dmp

Filesize
64KB

Download
memory/4580-151-0x0000016D718E0000-0x0000016D718E1000-memory.dmp

Filesize
4KB

Download
memory/4580-158-0x0000016D00540000-0x0000016D00550000-memory.dmp

Filesize
64KB

Download
memory/4580-157-0x0000016D00530000-0x0000016D00540000-memory.dmp

Filesize
64KB

Download
memory/4580-156-0x0000016D00480000-0x0000016D00490000-memory.dmp

Filesize
64KB

Download
memory/4580-162-0x0000016D00550000-0x0000016D00560000-memory.dmp

Filesize
64KB

Download
memory/4580-161-0x0000016D004A0000-0x0000016D004B0000-memory.dmp

Filesize
64KB

Download
memory/4580-160-0x0000016D00490000-0x0000016D004A0000-memory.dmp

Filesize
64KB

Download
memory/4580-167-0x0000016D004B0000-0x0000016D004C0000-memory.dmp

Filesize
64KB

Download
memory/4580-168-0x0000016D00560000-0x0000016D00570000-memory.dmp

Filesize
64KB

Download
memory/4580-173-0x0000016D718E0000-0x0000016D718E1000-memory.dmp

Filesize
4KB

Download
memory/4580-175-0x0000016D004C0000-0x0000016D004D0000-memory.dmp

Filesize
64KB

Download
memory/4580-178-0x0000016D004D0000-0x0000016D004E0000-memory.dmp

Filesize
64KB

Download
memory/4580-179-0x0000016D00570000-0x0000016D00580000-memory.dmp

Filesize
64KB

Download
memory/4580-180-0x0000016D718E0000-0x0000016D718E1000-memory.dmp

Filesize
4KB

Download
memory/4580-182-0x0000016D00270000-0x0000016D00280000-memory.dmp

Filesize
64KB

Download
memory/4580-186-0x0000016D002B0000-0x0000016D002C0000-memory.dmp

Filesize
64KB

Download
memory/4580-185-0x0000016D002A0000-0x0000016D002B0000-memory.dmp

Filesize
64KB

Download
memory/4580-21-0x0000016D002B0000-0x0000016D002C0000-memory.dmp

Filesize
64KB

Download
memory/4580-184-0x0000016D00290000-0x0000016D002A0000-memory.dmp

Filesize
64KB

Download
memory/4580-183-0x0000016D00280000-0x0000016D00290000-memory.dmp

Filesize
64KB

Download
memory/4580-181-0x0000016D00000000-0x0000016D00270000-memory.dmp

Filesize
2.4MB

Download
memory/4580-2-0x0000016D00000000-0x0000016D00270000-memory.dmp

Filesize
2.4MB

Download
memory/4580-17-0x0000016D00290000-0x0000016D002A0000-memory.dmp

Filesize
64KB

Download
memory/4580-15-0x0000016D00270000-0x0000016D00280000-memory.dmp

Filesize
64KB

Download
memory/4580-16-0x0000016D00280000-0x0000016D00290000-memory.dmp

Filesize
64KB

Download
memory/4880-296-0x0000019A97440000-0x0000019A97441000-memory.dmp

Filesize
4KB

Download