sakula | 8c048cf179b45e1f7d67fa91e3bc13b3c838c32d17e1aa039ba721a83a515dbd

General

Target
8c048cf179b45e1f7d67fa91e3bc13b3c838c32d17e1aa039ba721a83a515dbd.exe
Size 43KB
Sample240904-avcadasend
SHA256 8c048cf179b45e1f7d67fa91e3bc13b3c838c32d17e1aa039ba721a83a515dbd
MD5 acbdcf026ff1e045f1c7995efc916092
SHA1 e7d7fed7f56585922a4d4bcfa7c49bf7e39cffdb
SHA512 6e70a5fc74ad0df3efad5ee4abc97a7210d6adcb6b3b3d1ce1c3629b40c23397957bc32814d12a18f4d84e5e3acddaefa7a5b28d046d6c331e2bd5cdeff57aa6
SSDEEP 768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqp:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8D
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/4992-6-0x0000000000350000-0x000000000036F000-memory.dmp	family_sakula
behavioral2/memory/852-8-0x0000000000FD0000-0x0000000000FEF000-memory.dmp	family_sakula
behavioral2/memory/4992-14-0x0000000000350000-0x000000000036F000-memory.dmp	family_sakula
behavioral2/memory/852-18-0x0000000000FD0000-0x0000000000FEF000-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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	8c048cf179b45e1f7d67fa91e3bc13b3c838c32d17e1aa039ba721a83a515dbd.exe

Executes dropped EXE 1 IoCs

pid	Process
852	MediaCenter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4992-0-0x0000000000350000-0x000000000036F000-memory.dmp	upx
behavioral2/files/0x000700000002343b-3.dat	upx
behavioral2/memory/852-4-0x0000000000FD0000-0x0000000000FEF000-memory.dmp	upx
behavioral2/memory/4992-6-0x0000000000350000-0x000000000036F000-memory.dmp	upx
behavioral2/memory/852-8-0x0000000000FD0000-0x0000000000FEF000-memory.dmp	upx
behavioral2/memory/4992-14-0x0000000000350000-0x000000000036F000-memory.dmp	upx
behavioral2/memory/852-18-0x0000000000FD0000-0x0000000000FEF000-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"	8c048cf179b45e1f7d67fa91e3bc13b3c838c32d17e1aa039ba721a83a515dbd.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	8c048cf179b45e1f7d67fa91e3bc13b3c838c32d17e1aa039ba721a83a515dbd.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
3352	cmd.exe
1412	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1412	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4992	8c048cf179b45e1f7d67fa91e3bc13b3c838c32d17e1aa039ba721a83a515dbd.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 852	4992	8c048cf179b45e1f7d67fa91e3bc13b3c838c32d17e1aa039ba721a83a515dbd.exe	83
PID 4992 wrote to memory of 852	4992	8c048cf179b45e1f7d67fa91e3bc13b3c838c32d17e1aa039ba721a83a515dbd.exe	83
PID 4992 wrote to memory of 852	4992	8c048cf179b45e1f7d67fa91e3bc13b3c838c32d17e1aa039ba721a83a515dbd.exe	83
PID 4992 wrote to memory of 3352	4992	8c048cf179b45e1f7d67fa91e3bc13b3c838c32d17e1aa039ba721a83a515dbd.exe	100
PID 4992 wrote to memory of 3352	4992	8c048cf179b45e1f7d67fa91e3bc13b3c838c32d17e1aa039ba721a83a515dbd.exe	100
PID 4992 wrote to memory of 3352	4992	8c048cf179b45e1f7d67fa91e3bc13b3c838c32d17e1aa039ba721a83a515dbd.exe	100
PID 3352 wrote to memory of 1412	3352	cmd.exe	102
PID 3352 wrote to memory of 1412	3352	cmd.exe	102
PID 3352 wrote to memory of 1412	3352	cmd.exe	102

C:\Users\Admin\AppData\Local\Temp\8c048cf179b45e1f7d67fa91e3bc13b3c838c32d17e1aa039ba721a83a515dbd.exe
"C:\Users\Admin\AppData\Local\Temp\8c048cf179b45e1f7d67fa91e3bc13b3c838c32d17e1aa039ba721a83a515dbd.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:4992
- 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:852
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\8c048cf179b45e1f7d67fa91e3bc13b3c838c32d17e1aa039ba721a83a515dbd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3352
- - 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:1412

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 b3500248f72f7c48abfc3e27c54000c078f5a9ed7320b18e0d4cffc9e681f107
MD5 b65168f36337707bb0c9928ba3088cae
SHA1 ea562cfe487fbb0ac72f6aa688e046dc41e9b785
SHA512 cc34ebd754a8f6a7e07478c6e439388d8ede2e6f376534e13fbe87fb1084ab600d6c6eb46fae8df9f404725c400b7d839d36f2ebc39b4dd75f01c40dcc09c5bd
SSDEEP 768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqF:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8b
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/852-4-0x0000000000FD0000-0x0000000000FEF000-memory.dmp

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memory/852-8-0x0000000000FD0000-0x0000000000FEF000-memory.dmp

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memory/852-18-0x0000000000FD0000-0x0000000000FEF000-memory.dmp

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memory/4992-0-0x0000000000350000-0x000000000036F000-memory.dmp

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memory/4992-6-0x0000000000350000-0x000000000036F000-memory.dmp

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memory/4992-14-0x0000000000350000-0x000000000036F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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