strrat | 97e67ac77d80d26af4897acff2a3f6075e0efe7997a67d8194e799006ed5efc9

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15-06-2024 07:45

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General

Target

Remittance_pdf.jar
Size

432KB
MD5

8ec9eb589dc78c7e0ad9c8155027a133
SHA1

f4cc5469b945ce8f4c5d266375c28f97636479ff
SHA256

97e67ac77d80d26af4897acff2a3f6075e0efe7997a67d8194e799006ed5efc9
SHA512

0044e07c000634a043aae2b9f42df7f9f1d0dba2462207663c7f0e9e322cb732b19ab0e7f1fdd653b587c0ce19f5efc93fb7e630ff3477e5e98bcb652f723a1c
SSDEEP

6144:VwhA+Jd+Z+qYYQJXELxEG1E3RjdZO8uk/VSADdEwyOygQc8axuk9:VwC+Jd+Q1hENLE3JdU8fsg5XQc8axf9

Score

10^/10

strrat discovery 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\Remittance_pdf.jar java.exe
Loads dropped DLL 2 IoCs

Processes:

java.exejava.exe

pid process

3260 java.exe
3044 java.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3844 icacls.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

2956 schtasks.exe

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

pid	process
3260	java.exe
3044	java.exe

pid	process
3844	icacls.exe

pid	process
2956	schtasks.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

java.exejava.execmd.exe

description	pid	process	target process
PID 380 wrote to memory of 3844	380	java.exe	icacls.exe
PID 380 wrote to memory of 3844	380	java.exe	icacls.exe
PID 380 wrote to memory of 3260	380	java.exe	java.exe
PID 380 wrote to memory of 3260	380	java.exe	java.exe
PID 3260 wrote to memory of 2236	3260	java.exe	cmd.exe
PID 3260 wrote to memory of 2236	3260	java.exe	cmd.exe
PID 3260 wrote to memory of 3044	3260	java.exe	java.exe
PID 3260 wrote to memory of 3044	3260	java.exe	java.exe
PID 2236 wrote to memory of 2956	2236	cmd.exe	schtasks.exe
PID 2236 wrote to memory of 2956	2236	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\Remittance_pdf.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:380

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:3844

C:\Program Files\Java\jre-1.8\bin\java.exe
"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\Remittance_pdf.jar"
2⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3260

C:\Windows\SYSTEM32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Remittance_pdf.jar"
3⤵
- Suspicious use of WriteProcessMemory
PID:2236

C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Remittance_pdf.jar"
4⤵
- Creates scheduled task(s)
PID:2956

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\Remittance_pdf.jar"
3⤵
- Loads dropped DLL
PID:3044

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1424 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
1⤵
PID:960

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

MD5
2434372663d64fa17d17ca9c340c457e

SHA1
8f5017dd25897be67fbf10fd39e3fed95a1630ab

SHA256
509204965220f97b1d64e0b2b92fde906726b1a75fe2f639d6d0af5e98b940fb

SHA512
e720d150e14d9885f7b2b440b416eb478b92f45fa0bac7a29e927f47706c76502be45e46ad181705fbc856f8cc0de8790187d5f292c22cdbb26fe9f9d1889c44

Download Submit
C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna7006300324754640177.dll
Filesize
241KB

MD5
e02979ecd43bcc9061eb2b494ab5af50

SHA1
3122ac0e751660f646c73b10c4f79685aa65c545

SHA256
a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

SHA512
1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3808065738-1666277613-1125846146-1000\83aa4cc77f591dfc2374580bbd95f6ba_2397ee06-28fe-4eaa-8777-f7014368c353
Filesize
45B

MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

Download Submit
C:\Users\Admin\Remittance_pdf.jar
Filesize
432KB

MD5
8ec9eb589dc78c7e0ad9c8155027a133

SHA1
f4cc5469b945ce8f4c5d266375c28f97636479ff

SHA256
97e67ac77d80d26af4897acff2a3f6075e0efe7997a67d8194e799006ed5efc9

SHA512
0044e07c000634a043aae2b9f42df7f9f1d0dba2462207663c7f0e9e322cb732b19ab0e7f1fdd653b587c0ce19f5efc93fb7e630ff3477e5e98bcb652f723a1c

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/380-272-0x0000016E3D4F0000-0x0000016E3D500000-memory.dmp

Filesize
64KB

Download
memory/380-63-0x0000016E3D3E0000-0x0000016E3D3F0000-memory.dmp

Filesize
64KB

Download
memory/380-24-0x0000016E3D390000-0x0000016E3D3A0000-memory.dmp

Filesize
64KB

Download
memory/380-26-0x0000016E3D3A0000-0x0000016E3D3B0000-memory.dmp

Filesize
64KB

Download
memory/380-28-0x0000016E3D3B0000-0x0000016E3D3C0000-memory.dmp

Filesize
64KB

Download
memory/380-31-0x0000016E3D3C0000-0x0000016E3D3D0000-memory.dmp

Filesize
64KB

Download
memory/380-33-0x0000016E3B840000-0x0000016E3B841000-memory.dmp

Filesize
4KB

Download
memory/380-39-0x0000016E3B840000-0x0000016E3B841000-memory.dmp

Filesize
4KB

Download
memory/380-37-0x0000016E3B840000-0x0000016E3B841000-memory.dmp

Filesize
4KB

Download
memory/380-51-0x0000016E3D3D0000-0x0000016E3D3E0000-memory.dmp

Filesize
64KB

Download
memory/380-50-0x0000016E3D0E0000-0x0000016E3D350000-memory.dmp

Filesize
2.4MB

Download
memory/380-293-0x0000016E3D540000-0x0000016E3D550000-memory.dmp

Filesize
64KB

Download
memory/380-74-0x0000016E3D3F0000-0x0000016E3D400000-memory.dmp

Filesize
64KB

Download
memory/380-81-0x0000016E3D400000-0x0000016E3D410000-memory.dmp

Filesize
64KB

Download
memory/380-88-0x0000016E3D410000-0x0000016E3D420000-memory.dmp

Filesize
64KB

Download
memory/380-90-0x0000016E3D380000-0x0000016E3D390000-memory.dmp

Filesize
64KB

Download
memory/380-91-0x0000016E3D420000-0x0000016E3D430000-memory.dmp

Filesize
64KB

Download
memory/380-87-0x0000016E3D370000-0x0000016E3D380000-memory.dmp

Filesize
64KB

Download
memory/380-86-0x0000016E3D360000-0x0000016E3D370000-memory.dmp

Filesize
64KB

Download
memory/380-85-0x0000016E3D350000-0x0000016E3D360000-memory.dmp

Filesize
64KB

Download
memory/380-104-0x0000016E3D390000-0x0000016E3D3A0000-memory.dmp

Filesize
64KB

Download
memory/380-108-0x0000016E3D3B0000-0x0000016E3D3C0000-memory.dmp

Filesize
64KB

Download
memory/380-107-0x0000016E3D440000-0x0000016E3D450000-memory.dmp

Filesize
64KB

Download
memory/380-110-0x0000016E3D450000-0x0000016E3D460000-memory.dmp

Filesize
64KB

Download
memory/380-106-0x0000016E3D3A0000-0x0000016E3D3B0000-memory.dmp

Filesize
64KB

Download
memory/380-105-0x0000016E3D430000-0x0000016E3D440000-memory.dmp

Filesize
64KB

Download
memory/380-114-0x0000016E3D460000-0x0000016E3D470000-memory.dmp

Filesize
64KB

Download
memory/380-112-0x0000016E3D3C0000-0x0000016E3D3D0000-memory.dmp

Filesize
64KB

Download
memory/380-116-0x0000016E3D470000-0x0000016E3D480000-memory.dmp

Filesize
64KB

Download
memory/380-115-0x0000016E3D3D0000-0x0000016E3D3E0000-memory.dmp

Filesize
64KB

Download
memory/380-129-0x0000016E3B840000-0x0000016E3B841000-memory.dmp

Filesize
4KB

Download
memory/380-138-0x0000016E3D3E0000-0x0000016E3D3F0000-memory.dmp

Filesize
64KB

Download
memory/380-139-0x0000016E3D480000-0x0000016E3D490000-memory.dmp

Filesize
64KB

Download
memory/380-151-0x0000016E3D490000-0x0000016E3D4A0000-memory.dmp

Filesize
64KB

Download
memory/380-150-0x0000016E3D3F0000-0x0000016E3D400000-memory.dmp

Filesize
64KB

Download
memory/380-276-0x0000016E3D460000-0x0000016E3D470000-memory.dmp

Filesize
64KB

Download
memory/380-165-0x0000016E3D400000-0x0000016E3D410000-memory.dmp

Filesize
64KB

Download
memory/380-235-0x0000016E3D4B0000-0x0000016E3D4C0000-memory.dmp

Filesize
64KB

Download
memory/380-234-0x0000016E3D410000-0x0000016E3D420000-memory.dmp

Filesize
64KB

Download
memory/380-248-0x0000016E3D4C0000-0x0000016E3D4D0000-memory.dmp

Filesize
64KB

Download
memory/380-247-0x0000016E3D420000-0x0000016E3D430000-memory.dmp

Filesize
64KB

Download
memory/380-264-0x0000016E3D4D0000-0x0000016E3D4E0000-memory.dmp

Filesize
64KB

Download
memory/380-263-0x0000016E3D430000-0x0000016E3D440000-memory.dmp

Filesize
64KB

Download
memory/380-267-0x0000016E3D4E0000-0x0000016E3D4F0000-memory.dmp

Filesize
64KB

Download
memory/380-266-0x0000016E3D440000-0x0000016E3D450000-memory.dmp

Filesize
64KB

Download
memory/380-18-0x0000016E3D350000-0x0000016E3D360000-memory.dmp

Filesize
64KB

Download
memory/380-271-0x0000016E3D450000-0x0000016E3D460000-memory.dmp

Filesize
64KB

Download
memory/380-279-0x0000016E3D520000-0x0000016E3D530000-memory.dmp

Filesize
64KB

Download
memory/380-278-0x0000016E3D510000-0x0000016E3D520000-memory.dmp

Filesize
64KB

Download
memory/380-277-0x0000016E3D500000-0x0000016E3D510000-memory.dmp

Filesize
64KB

Download
memory/380-170-0x0000016E3D4A0000-0x0000016E3D4B0000-memory.dmp

Filesize
64KB

Download
memory/380-22-0x0000016E3D380000-0x0000016E3D390000-memory.dmp

Filesize
64KB

Download
memory/380-11-0x0000016E3B840000-0x0000016E3B841000-memory.dmp

Filesize
4KB

Download
memory/380-291-0x0000016E3D470000-0x0000016E3D480000-memory.dmp

Filesize
64KB

Download
memory/380-298-0x0000016E3D480000-0x0000016E3D490000-memory.dmp

Filesize
64KB

Download
memory/380-299-0x0000016E3D550000-0x0000016E3D560000-memory.dmp

Filesize
64KB

Download
memory/380-306-0x0000016E3D0E0000-0x0000016E3D350000-memory.dmp

Filesize
2.4MB

Download
memory/380-319-0x0000016E3D420000-0x0000016E3D430000-memory.dmp

Filesize
64KB

Download
memory/380-334-0x0000016E3D550000-0x0000016E3D560000-memory.dmp

Filesize
64KB

Download
memory/380-333-0x0000016E3D540000-0x0000016E3D550000-memory.dmp

Filesize
64KB

Download
memory/380-332-0x0000016E3D530000-0x0000016E3D540000-memory.dmp

Filesize
64KB

Download
memory/380-331-0x0000016E3D520000-0x0000016E3D530000-memory.dmp

Filesize
64KB

Download
memory/380-330-0x0000016E3D510000-0x0000016E3D520000-memory.dmp

Filesize
64KB

Download
memory/380-329-0x0000016E3D500000-0x0000016E3D510000-memory.dmp

Filesize
64KB

Download
memory/380-328-0x0000016E3D4F0000-0x0000016E3D500000-memory.dmp

Filesize
64KB

Download
memory/380-327-0x0000016E3D4E0000-0x0000016E3D4F0000-memory.dmp

Filesize
64KB

Download
memory/380-326-0x0000016E3D4D0000-0x0000016E3D4E0000-memory.dmp

Filesize
64KB

Download
memory/380-325-0x0000016E3D4C0000-0x0000016E3D4D0000-memory.dmp

Filesize
64KB

Download
memory/380-324-0x0000016E3D4B0000-0x0000016E3D4C0000-memory.dmp

Filesize
64KB

Download
memory/380-323-0x0000016E3D4A0000-0x0000016E3D4B0000-memory.dmp

Filesize
64KB

Download
memory/380-322-0x0000016E3D490000-0x0000016E3D4A0000-memory.dmp

Filesize
64KB

Download
memory/380-321-0x0000016E3D3B0000-0x0000016E3D3C0000-memory.dmp

Filesize
64KB

Download
memory/380-320-0x0000016E3D430000-0x0000016E3D440000-memory.dmp

Filesize
64KB

Download
memory/380-318-0x0000016E3D410000-0x0000016E3D420000-memory.dmp

Filesize
64KB

Download
memory/380-317-0x0000016E3D400000-0x0000016E3D410000-memory.dmp

Filesize
64KB

Download
memory/380-316-0x0000016E3D3F0000-0x0000016E3D400000-memory.dmp

Filesize
64KB

Download
memory/380-315-0x0000016E3D3E0000-0x0000016E3D3F0000-memory.dmp

Filesize
64KB

Download
memory/380-314-0x0000016E3D3D0000-0x0000016E3D3E0000-memory.dmp

Filesize
64KB

Download
memory/380-313-0x0000016E3D3C0000-0x0000016E3D3D0000-memory.dmp

Filesize
64KB

Download
memory/380-312-0x0000016E3D3A0000-0x0000016E3D3B0000-memory.dmp

Filesize
64KB

Download
memory/380-311-0x0000016E3D390000-0x0000016E3D3A0000-memory.dmp

Filesize
64KB

Download
memory/380-310-0x0000016E3D380000-0x0000016E3D390000-memory.dmp

Filesize
64KB

Download
memory/380-19-0x0000016E3D360000-0x0000016E3D370000-memory.dmp

Filesize
64KB

Download
memory/380-309-0x0000016E3D370000-0x0000016E3D380000-memory.dmp

Filesize
64KB

Download
memory/380-308-0x0000016E3D360000-0x0000016E3D370000-memory.dmp

Filesize
64KB

Download
memory/380-307-0x0000016E3D350000-0x0000016E3D360000-memory.dmp

Filesize
64KB

Download
memory/380-2-0x0000016E3D0E0000-0x0000016E3D350000-memory.dmp

Filesize
2.4MB

Download
memory/380-292-0x0000016E3D530000-0x0000016E3D540000-memory.dmp

Filesize
64KB

Download
memory/380-20-0x0000016E3D370000-0x0000016E3D380000-memory.dmp

Filesize
64KB

Download
memory/3260-359-0x000001AE80290000-0x000001AE802A0000-memory.dmp

Filesize
64KB

Download
memory/3260-361-0x000001AE802A0000-0x000001AE802B0000-memory.dmp

Filesize
64KB

Download
memory/3260-363-0x000001AE802B0000-0x000001AE802C0000-memory.dmp

Filesize
64KB

Download
memory/3260-365-0x000001AE802C0000-0x000001AE802D0000-memory.dmp

Filesize
64KB

Download
memory/3260-367-0x000001AE802D0000-0x000001AE802E0000-memory.dmp

Filesize
64KB

Download
memory/3260-369-0x000001AE802E0000-0x000001AE802F0000-memory.dmp

Filesize
64KB

Download
memory/3260-373-0x000001AE802F0000-0x000001AE80300000-memory.dmp

Filesize
64KB

Download
memory/3260-357-0x000001AE80280000-0x000001AE80290000-memory.dmp

Filesize
64KB

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memory/3260-355-0x000001AE80270000-0x000001AE80280000-memory.dmp

Filesize
64KB

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memory/3260-382-0x000001AE80000000-0x000001AE80270000-memory.dmp

Filesize
2.4MB

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memory/3260-383-0x000001AE80300000-0x000001AE80310000-memory.dmp

Filesize
64KB

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memory/3260-338-0x000001AE80000000-0x000001AE80270000-memory.dmp

Filesize
2.4MB

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