sakula | 539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0

General

Target
539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0.exe
Size 92KB
Sample240908-c1xjlszelq
SHA256 539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0
MD5 c28098175997d42658cc962fddfa4d66
SHA1 3ff7792a3f7aef62db8f3e356c774a4eae0971e3
SHA512 c4967c12ece1848dce16bb4b0d4bb507429ed7d4c44d0b23f048110bf98adf98331d37dc12004195a51ab227c2343dcf4e640198554fba8feaaf6e823497157f
SSDEEP 1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtr3:9bfVk29te2jqxCEtg30Bj
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sakula discovery persistence rat trojan

Malware Config

Extracted

Family

sakula

C2

www.savmpet.com

Signatures

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

Sakula payload 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023430-3.dat	family_sakula

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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0.exe

Executes dropped EXE 1 IoCs

pid	Process
3600	AdobeUpdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe"	539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdobeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4216	cmd.exe
4544	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4544	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3404	539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 3600	3404	539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0.exe	83
PID 3404 wrote to memory of 3600	3404	539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0.exe	83
PID 3404 wrote to memory of 3600	3404	539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0.exe	83
PID 3404 wrote to memory of 4216	3404	539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0.exe	96
PID 3404 wrote to memory of 4216	3404	539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0.exe	96
PID 3404 wrote to memory of 4216	3404	539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0.exe	96
PID 4216 wrote to memory of 4544	4216	cmd.exe	98
PID 4216 wrote to memory of 4544	4216	cmd.exe	98
PID 4216 wrote to memory of 4544	4216	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0.exe
"C:\Users\Admin\AppData\Local\Temp\539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3600
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4216
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

AdobeUpdate.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
Size 92KB
SHA256 fc1f7e299673421320eaf566cd174c7d0c82387b60032a2112632d9be69f4fbe
MD5 8d634044f777fd05950bedbe51ecd442
SHA1 40f7688e976265f93895bbc17a40141a50b47b3a
SHA512 77b7e34a0f4c63a079f71cf52829741e31f95230e36cdd02d6d793e2a4a31e6dc07e7411fd863856441ee679a25e5ac85d273f78e2034fa6d133a4d635b72d02
SSDEEP 1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtr7:9bfVk29te2jqxCEtg30B3
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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