sakula | 35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56

General

Target
35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe
Size 4.0MB
Sample220626-28nn4sgca4
SHA256 35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56
MD5 af6c9cb1a82e93fc7221cddf56493b73
SHA1 524a1a1ab75e45e6cf477dd5696a0079a8a133a5
SHA512 ce43b3df187d5f0388ca6ddadb184fe1718621569c1ca9d5e1725fd0f642257cec21ba2be4ed1a852af3f2d58abe48db4c7f225d7ec88ce38270fcea5026437c
MD5 SHA1 SHA512

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x00060000000231b2-131.dat	family_sakula
behavioral2/files/0x00060000000231b2-132.dat	family_sakula

Executes dropped EXE 1 IoCs

pid	Process
1840	MediaCenter.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4944	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4796	35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 1840	4796	35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe	80
PID 4796 wrote to memory of 1840	4796	35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe	80
PID 4796 wrote to memory of 1840	4796	35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe	80
PID 4796 wrote to memory of 4288	4796	35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe	88
PID 4796 wrote to memory of 4288	4796	35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe	88
PID 4796 wrote to memory of 4288	4796	35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe	88
PID 4288 wrote to memory of 4944	4288	cmd.exe	90
PID 4288 wrote to memory of 4944	4288	cmd.exe	90
PID 4288 wrote to memory of 4944	4288	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe
"C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  PID:1840
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4288
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:4944

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 4.0MB
SHA256 563ce4288b438effce706eacb65d4bbcb2b17a4f741c4a483b03c0b7b191d37a
MD5 5a8efb8401b8247722180f74645edd13
SHA1 80b23e24559221863f3ff3fcf88f33880e54a113
SHA512 5082e35a1e79f519615f0fead8d82d3a061d9796281c354de7efe68a91d1b0729db2487376ec24b2d68f0e404df62589eb64616eb6e73b98d5ce0ec0fad20795
SSDEEP 24576:DF9mrnE2Z1y/6oTNBZrBEu8C7jnIQCwRO/wTGS5DBMYQ:DD2Z1qT3Zz888QCwRO/wT/aYQ
MD5 SHA1 SHA512 SSDEEP

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