strrat | 0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9

Analysis

max time kernel
143s
max time network
147s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27-06-2024 01:02

Target

0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9.jar
Size

64KB
MD5

f27c858bd876a8b76099a27355ec5a8d
SHA1

ede4b114704aa305aa5d8a38efac970870c8830f
SHA256

0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9
SHA512

e570de2b4777aeea10394bef836454242408aea2fa953e5af52da3d0e200baa560d2a3732ebc69becff7a6acc1a9d2b4a1b5c430420a6cc47a9efe278500d721
SSDEEP

1536:4M/kpUvIa3EVYmmd2ittWJiQYciZbzHbWf9CRkgjaCpwrkd:cUvImEVrEOiQGZrkxEBwa

Score

10^/10

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\0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9.jar java.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9.jar	java.exe

Adds Run key to start application 2 TTPs 2 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

java.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9 = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9 = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9.jar\""	java.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

2520 schtasks.exe

pid	process
2520	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

java.execmd.exe

description	pid	process	target process
PID 1280 wrote to memory of 2572	1280	java.exe	cmd.exe
PID 1280 wrote to memory of 2572	1280	java.exe	cmd.exe
PID 1280 wrote to memory of 2572	1280	java.exe	cmd.exe
PID 1280 wrote to memory of 2616	1280	java.exe	java.exe
PID 1280 wrote to memory of 2616	1280	java.exe	java.exe
PID 1280 wrote to memory of 2616	1280	java.exe	java.exe
PID 2572 wrote to memory of 2520	2572	cmd.exe	schtasks.exe
PID 2572 wrote to memory of 2520	2572	cmd.exe	schtasks.exe
PID 2572 wrote to memory of 2520	2572	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:\Windows\system32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9.jar"
2⤵
- Suspicious use of WriteProcessMemory
PID:2572

C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9.jar"
3⤵
- Scheduled Task/Job: Scheduled Task
PID:2520

C:\Program Files\Java\jre7\bin\java.exe
"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9.jar"
2⤵
PID:2616

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9.jar
Filesize
64KB

MD5
f27c858bd876a8b76099a27355ec5a8d

SHA1
ede4b114704aa305aa5d8a38efac970870c8830f

SHA256
0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9

SHA512
e570de2b4777aeea10394bef836454242408aea2fa953e5af52da3d0e200baa560d2a3732ebc69becff7a6acc1a9d2b4a1b5c430420a6cc47a9efe278500d721

Download Submit
memory/1280-2-0x0000000002950000-0x0000000002BC0000-memory.dmp

Filesize
2.4MB

Download
memory/1280-10-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/1280-18-0x0000000002950000-0x0000000002BC0000-memory.dmp

Filesize
2.4MB

Download
memory/2616-21-0x00000000024E0000-0x0000000002750000-memory.dmp

Filesize
2.4MB

Download
memory/2616-29-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/2616-31-0x00000000024E0000-0x0000000002750000-memory.dmp

Filesize
2.4MB

Download