strrat | 527cd2b797626c378cf511be2354cd062f303366241710dabffce62d4c8b502d

Analysis

max time kernel
146s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/05/2024, 08:49

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General

Target

0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar
Size

64KB
MD5

8f32b6ad5a4b0bf593c5e8cfe8afd04b
SHA1

02623723f9a9af013df424336d45ada46abe9472
SHA256

0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb
SHA512

185bb366786dc1a1a54dcb623341f7a727842685aa50d48dcc4bafe5135feaa1f6294a874faa55fdc91816a43bd60ab543c9284b7eec97d8cedf65dd62de282c
SSDEEP

1536:sFVl2U0Gg0HxEjXu28Gut9+gnzqYgMYw0Sr8awyvI0cNFl:sFv2U0GXUu28P7HZY84awyv3cNFl

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

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar	java.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.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

pid	Process
2584	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 624	2924	java.exe	29
PID 2924 wrote to memory of 624	2924	java.exe	29
PID 2924 wrote to memory of 624	2924	java.exe	29
PID 2924 wrote to memory of 2616	2924	java.exe	30
PID 2924 wrote to memory of 2616	2924	java.exe	30
PID 2924 wrote to memory of 2616	2924	java.exe	30
PID 624 wrote to memory of 2584	624	cmd.exe	31
PID 624 wrote to memory of 2584	624	cmd.exe	31
PID 624 wrote to memory of 2584	624	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\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Windows\system32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:624
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar"
    3⤵
    - Creates scheduled task(s)
    PID:2584
- C:\Program Files\Java\jre7\bin\java.exe
  "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar"
  2⤵
  PID:2616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar

Filesize
64KB

MD5
8f32b6ad5a4b0bf593c5e8cfe8afd04b

SHA1
02623723f9a9af013df424336d45ada46abe9472

SHA256
0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb

SHA512
185bb366786dc1a1a54dcb623341f7a727842685aa50d48dcc4bafe5135feaa1f6294a874faa55fdc91816a43bd60ab543c9284b7eec97d8cedf65dd62de282c

Download Submit
memory/2616-21-0x0000000002540000-0x00000000027B0000-memory.dmp

Filesize
2.4MB

Download
memory/2616-29-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2616-31-0x0000000002540000-0x00000000027B0000-memory.dmp

Filesize
2.4MB

Download
memory/2924-2-0x00000000026A0000-0x0000000002910000-memory.dmp

Filesize
2.4MB

Download
memory/2924-10-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/2924-17-0x00000000026A0000-0x0000000002910000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads