strrat | d4f46e2bc502de0d49fc2f261e066dc6b658c778d253fbe846fcc80dcd4c8d9e

General

Target

0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9.jar
Size

64KB
MD5

f27c858bd876a8b76099a27355ec5a8d
SHA1

ede4b114704aa305aa5d8a38efac970870c8830f
SHA256

0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9
SHA512

e570de2b4777aeea10394bef836454242408aea2fa953e5af52da3d0e200baa560d2a3732ebc69becff7a6acc1a9d2b4a1b5c430420a6cc47a9efe278500d721
SSDEEP

1536:4M/kpUvIa3EVYmmd2ittWJiQYciZbzHbWf9CRkgjaCpwrkd:cUvImEVrEOiQGZrkxEBwa

Score

10^/10

strrat 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\0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9.jar	java.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-1-5-21-481678230-3773327859-3495911762-1000\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
2528	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

java.execmd.exe

description	pid	Process	procid_target
PID 2284 wrote to memory of 2744	2284	java.exe	29
PID 2284 wrote to memory of 2744	2284	java.exe	29
PID 2284 wrote to memory of 2744	2284	java.exe	29
PID 2284 wrote to memory of 2788	2284	java.exe	30
PID 2284 wrote to memory of 2788	2284	java.exe	30
PID 2284 wrote to memory of 2788	2284	java.exe	30
PID 2744 wrote to memory of 2528	2744	cmd.exe	31
PID 2744 wrote to memory of 2528	2744	cmd.exe	31
PID 2744 wrote to memory of 2528	2744	cmd.exe	31

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\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2284
- 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:2744
- - 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:2528
- 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:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
64KB

MD5
f27c858bd876a8b76099a27355ec5a8d

SHA1
ede4b114704aa305aa5d8a38efac970870c8830f

SHA256
0a830444a8c87e98ea93f7e726ecf1aa22aa07799bf6d374edc2c5dfdde511f9

SHA512
e570de2b4777aeea10394bef836454242408aea2fa953e5af52da3d0e200baa560d2a3732ebc69becff7a6acc1a9d2b4a1b5c430420a6cc47a9efe278500d721

Download Submit
memory/2284-2-0x0000000002540000-0x00000000027B0000-memory.dmp

Filesize
2.4MB

Download
memory/2284-10-0x0000000001B70000-0x0000000001B71000-memory.dmp

Filesize
4KB

Download
memory/2284-20-0x0000000002540000-0x00000000027B0000-memory.dmp

Filesize
2.4MB

Download
memory/2788-21-0x0000000002550000-0x00000000027C0000-memory.dmp

Filesize
2.4MB

Download
memory/2788-29-0x0000000002050000-0x0000000002051000-memory.dmp

Filesize
4KB

Download
memory/2788-31-0x0000000002550000-0x00000000027C0000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads