sakula | fc32392293f51dca4b6d2ef2a9187a4af10052c2436341e7f3f2dfda8cc95020

General

Target
1391e7b53083cfd65daa5a093adf4880N.exe
Size 43KB
Sample240726-qsmlbsthmf
SHA256 fc32392293f51dca4b6d2ef2a9187a4af10052c2436341e7f3f2dfda8cc95020
MD5 1391e7b53083cfd65daa5a093adf4880
SHA1 d5d61be37784d93cac8cb393afbfc8fdd9729a04
SHA512 2aa7d1c690b831504913bd84d449c34127f615b8df2fc975a7e454b64a44432a67cad518b444ae83e5cae8aff08b2a7845b3a2fbb4a4e27fc9fa830dd76a45e1
SSDEEP 768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqk:+U9abrtX4oocIK3yQkaY9z/S0hhy6k82
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/4968-6-0x0000000000F90000-0x0000000000FAF000-memory.dmp	family_sakula
behavioral2/memory/2588-7-0x0000000000210000-0x000000000022F000-memory.dmp	family_sakula
behavioral2/memory/4968-10-0x0000000000F90000-0x0000000000FAF000-memory.dmp	family_sakula
behavioral2/memory/2588-17-0x0000000000210000-0x000000000022F000-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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	1391e7b53083cfd65daa5a093adf4880N.exe

Executes dropped EXE 1 IoCs

pid	Process
2588	MediaCenter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4968-0-0x0000000000F90000-0x0000000000FAF000-memory.dmp	upx
behavioral2/files/0x00080000000234b2-3.dat	upx
behavioral2/memory/2588-5-0x0000000000210000-0x000000000022F000-memory.dmp	upx
behavioral2/memory/4968-6-0x0000000000F90000-0x0000000000FAF000-memory.dmp	upx
behavioral2/memory/2588-7-0x0000000000210000-0x000000000022F000-memory.dmp	upx
behavioral2/memory/4968-10-0x0000000000F90000-0x0000000000FAF000-memory.dmp	upx
behavioral2/memory/2588-17-0x0000000000210000-0x000000000022F000-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"	1391e7b53083cfd65daa5a093adf4880N.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	1391e7b53083cfd65daa5a093adf4880N.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
2888	cmd.exe
388	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
388	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4968	1391e7b53083cfd65daa5a093adf4880N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 2588	4968	1391e7b53083cfd65daa5a093adf4880N.exe	83
PID 4968 wrote to memory of 2588	4968	1391e7b53083cfd65daa5a093adf4880N.exe	83
PID 4968 wrote to memory of 2588	4968	1391e7b53083cfd65daa5a093adf4880N.exe	83
PID 4968 wrote to memory of 2888	4968	1391e7b53083cfd65daa5a093adf4880N.exe	96
PID 4968 wrote to memory of 2888	4968	1391e7b53083cfd65daa5a093adf4880N.exe	96
PID 4968 wrote to memory of 2888	4968	1391e7b53083cfd65daa5a093adf4880N.exe	96
PID 2888 wrote to memory of 388	2888	cmd.exe	98
PID 2888 wrote to memory of 388	2888	cmd.exe	98
PID 2888 wrote to memory of 388	2888	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\1391e7b53083cfd65daa5a093adf4880N.exe
"C:\Users\Admin\AppData\Local\Temp\1391e7b53083cfd65daa5a093adf4880N.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:4968
- 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:2588
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1391e7b53083cfd65daa5a093adf4880N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2888
- - 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:388

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 54b56941d5ead5886628d7ec7c4102ec6b1ea431e40d2f426958f1e0c0eb2d19
MD5 39f7718647d72a01e04aac54f62e790f
SHA1 0e0655425a151389f4cddd12df5d8685f3135e4f
SHA512 1ed8afc879267092b95acc294736624b959a674b71450375104448c94a9d9835b399751d0b9b2ff5b912b1ca598c5930a36d7ea345f2e425be29b42960ea67ec
SSDEEP 768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqb:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8F
MD5 SHA1 SHA512 SSDEEP

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memory/2588-5-0x0000000000210000-0x000000000022F000-memory.dmp

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memory/2588-7-0x0000000000210000-0x000000000022F000-memory.dmp

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memory/2588-17-0x0000000000210000-0x000000000022F000-memory.dmp

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memory/4968-0-0x0000000000F90000-0x0000000000FAF000-memory.dmp

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memory/4968-6-0x0000000000F90000-0x0000000000FAF000-memory.dmp

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memory/4968-10-0x0000000000F90000-0x0000000000FAF000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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