sakula | a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e

General

Target
a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe
Size 150KB
Sample220327-mm35cagee7
SHA256 a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e
MD5 0ba9883b897c6f4508594c9908c6810a
SHA1 91fd59bbcff52bcf72034b11d9d982ccd2fc1bac
SHA512 bfc4a41e1675dd6602db39fbadfe1d4db79e10ae0396e8caa034e596cdb422247254a5333fbef52a0611668e9dee2664f918a687910c54baf44cf8b737b8b1dd
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/0x0009000000021e1f-125.dat	family_sakula
behavioral2/files/0x0009000000021e1f-126.dat	family_sakula

Executes dropped EXE 1 IoCs

pid	Process
1824	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-1-5-21-1082102374-1487407228-1886994731-1000\Control Panel\International\Geo\Nation	a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.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"	a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.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
4872	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3812	a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3812 wrote to memory of 1824	3812	a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe	79
PID 3812 wrote to memory of 1824	3812	a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe	79
PID 3812 wrote to memory of 1824	3812	a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe	79
PID 3812 wrote to memory of 3884	3812	a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe	81
PID 3812 wrote to memory of 3884	3812	a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe	81
PID 3812 wrote to memory of 3884	3812	a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe	81
PID 3884 wrote to memory of 4872	3884	cmd.exe	83
PID 3884 wrote to memory of 4872	3884	cmd.exe	83
PID 3884 wrote to memory of 4872	3884	cmd.exe	83

C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe
"C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3812
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  PID:1824
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3884
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:4872

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

Replay Monitor

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Downloads

MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 150KB
SHA256 3be5c83e65c254da3d2eee1e02b4f9d075970f0ebe2457aed5c3586c55924786
MD5 559d54cbde2f953ad5bdaf36a3b02660
SHA1 28f359c2b6c97b8a978990fc1f11ebc2c1e8388a
SHA512 b8890880dc50e8127b9366034c05f525b199b130918e10a09326f0e3b1ed73bfbbd76c92721cc60b21e182919c72eb5a46f1b539c3988acdc728cc294a5f2812
SSDEEP 3072:H29DkEGRQixVSjLLJ30BWPOt5dQw+hyuGDInw00:H29qRfVSnt30Bbt+IhDFH
MD5 SHA1 SHA512 SSDEEP

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