sakula | 2d99b2a341e303682a70c24d1982d4731b944b1d5220debb59a25ecad7022a15

General

Target
2d99b2a341e303682a70c24d1982d4731b944b1d5220debb59a25ecad7022a15.exe
Size 43KB
Sample240901-zhgrrs1dln
SHA256 2d99b2a341e303682a70c24d1982d4731b944b1d5220debb59a25ecad7022a15
MD5 34d333c90a807dc92fafa44a86716ea4
SHA1 f6bdc2c67e13ef5a898a71acc43c855b4e18daaa
SHA512 c0a7bd70f1f45ab58f0d90ec7bb7ba6e0b0ba0158c20a3dd31a59ddb8dcf1370722dabe5dc56d3dcfad0099b0c2ee82b5378e3fdaa88e0da478ec483d070fee6
SSDEEP 768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqr:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8F
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sakula discovery persistence rat trojan upx

Malware Config

Signatures

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

Sakula payload 4 IoCs

resource	yara_rule
behavioral2/memory/2932-6-0x0000000000BA0000-0x0000000000BBF000-memory.dmp	family_sakula
behavioral2/memory/832-8-0x00000000006E0000-0x00000000006FF000-memory.dmp	family_sakula
behavioral2/memory/2932-14-0x0000000000BA0000-0x0000000000BBF000-memory.dmp	family_sakula
behavioral2/memory/832-19-0x00000000006E0000-0x00000000006FF000-memory.dmp	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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	2d99b2a341e303682a70c24d1982d4731b944b1d5220debb59a25ecad7022a15.exe

Executes dropped EXE 1 IoCs

pid	Process
832	MediaCenter.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2932-0-0x0000000000BA0000-0x0000000000BBF000-memory.dmp	upx
behavioral2/files/0x000a0000000234d2-3.dat	upx
behavioral2/memory/832-4-0x00000000006E0000-0x00000000006FF000-memory.dmp	upx
behavioral2/memory/2932-6-0x0000000000BA0000-0x0000000000BBF000-memory.dmp	upx
behavioral2/memory/832-8-0x00000000006E0000-0x00000000006FF000-memory.dmp	upx
behavioral2/memory/2932-14-0x0000000000BA0000-0x0000000000BBF000-memory.dmp	upx
behavioral2/memory/832-19-0x00000000006E0000-0x00000000006FF000-memory.dmp	upx

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\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	2d99b2a341e303682a70c24d1982d4731b944b1d5220debb59a25ecad7022a15.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	2d99b2a341e303682a70c24d1982d4731b944b1d5220debb59a25ecad7022a15.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediaCenter.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
1632	cmd.exe
4932	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4932	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2932	2d99b2a341e303682a70c24d1982d4731b944b1d5220debb59a25ecad7022a15.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 832	2932	2d99b2a341e303682a70c24d1982d4731b944b1d5220debb59a25ecad7022a15.exe	82
PID 2932 wrote to memory of 832	2932	2d99b2a341e303682a70c24d1982d4731b944b1d5220debb59a25ecad7022a15.exe	82
PID 2932 wrote to memory of 832	2932	2d99b2a341e303682a70c24d1982d4731b944b1d5220debb59a25ecad7022a15.exe	82
PID 2932 wrote to memory of 1632	2932	2d99b2a341e303682a70c24d1982d4731b944b1d5220debb59a25ecad7022a15.exe	97
PID 2932 wrote to memory of 1632	2932	2d99b2a341e303682a70c24d1982d4731b944b1d5220debb59a25ecad7022a15.exe	97
PID 2932 wrote to memory of 1632	2932	2d99b2a341e303682a70c24d1982d4731b944b1d5220debb59a25ecad7022a15.exe	97
PID 1632 wrote to memory of 4932	1632	cmd.exe	99
PID 1632 wrote to memory of 4932	1632	cmd.exe	99
PID 1632 wrote to memory of 4932	1632	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\2d99b2a341e303682a70c24d1982d4731b944b1d5220debb59a25ecad7022a15.exe
"C:\Users\Admin\AppData\Local\Temp\2d99b2a341e303682a70c24d1982d4731b944b1d5220debb59a25ecad7022a15.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:2932
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:832
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\2d99b2a341e303682a70c24d1982d4731b944b1d5220debb59a25ecad7022a15.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1632
- - 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:4932

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

MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 43KB
SHA256 7b44b0d3a45ea136e5b29cedcf4ba49619153b88c662c3d47c6375f769a87bf9
MD5 8618e55bc94ca2c0612ecda837a55e85
SHA1 a11440e73086413d58e58174140eac3b976347a1
SHA512 3bd9bb9df7a8dab97e2cc0037c3d6b1fb73aa8cce671d98c8387cf407d5d1029634cfa90ec1f0680ba0d83317b4ef8249430f3ff1934de30019d5676565e0898
SSDEEP 768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqG:+U9abrtX4oocIK3yQkaY9z/S0hhy6k84
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/832-4-0x00000000006E0000-0x00000000006FF000-memory.dmp

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memory/832-8-0x00000000006E0000-0x00000000006FF000-memory.dmp

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memory/832-19-0x00000000006E0000-0x00000000006FF000-memory.dmp

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memory/2932-0-0x0000000000BA0000-0x0000000000BBF000-memory.dmp

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memory/2932-6-0x0000000000BA0000-0x0000000000BBF000-memory.dmp

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memory/2932-14-0x0000000000BA0000-0x0000000000BBF000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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