sakula | 4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9

General

Target

4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe
Size

92KB
MD5

34b27d3c74c23ed2abc40799daa09b34
SHA1

9200c2eabc8dddb2501442b5718b24174f3a051c
SHA256

4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9
SHA512

e271124804e088b5ed9fc8ac809f88c9300e9e6f3da0955d4619378c2c0800060b317b04d86d137561a67ca71dbdf0a86a944398297ff0b0d4248b5b454842f8
SSDEEP

1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrr:9bfVk29te2jqxCEtg30BH

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/0x0008000000023c8b-2.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe

Executes dropped EXE 1 IoCs

pid	Process
3596	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"	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.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	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.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
756	cmd.exe
1352	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1352	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4156	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4156 wrote to memory of 3596	4156	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	84
PID 4156 wrote to memory of 3596	4156	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	84
PID 4156 wrote to memory of 3596	4156	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	84
PID 4156 wrote to memory of 756	4156	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	96
PID 4156 wrote to memory of 756	4156	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	96
PID 4156 wrote to memory of 756	4156	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	96
PID 756 wrote to memory of 1352	756	cmd.exe	98
PID 756 wrote to memory of 1352	756	cmd.exe	98
PID 756 wrote to memory of 1352	756	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe
"C:\Users\Admin\AppData\Local\Temp\4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.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:4156
- 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:3596
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:756
- - 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:1352

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

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe

Filesize
92KB

MD5
b70052e14a01509888dbb518282a2f32

SHA1
46abad1fdae08e3adf1eaa631ad754004c41685a

SHA256
103b3976a12388027ac4ac327284fec35eaf9f6f3b78d331594ab58d4a1d0e68

SHA512
4a473d8be188c25437c8f0c8dd90711157e958a534d8ebb564b7601ed22eeca3cb789b6093578e31e57b0f95ebeb32b57898ad08398243f8822da524d5e194fa

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads