sakula | 251fcbf2f676d58f4f5141ee37e1797e44c3330f2d85a9df2d8b779b9fe85375

General

Target
b5cff9294fcffbd810b09cced61183f0N.exe
Size 283KB
Sample240715-kw5cnayblm
SHA256 251fcbf2f676d58f4f5141ee37e1797e44c3330f2d85a9df2d8b779b9fe85375
MD5 b5cff9294fcffbd810b09cced61183f0
SHA1 5d1237f029633fcc8c0afb8b0fdb90bfc506b8c3
SHA512 9e7c32c15c25ecc741582bac80461280af5b5dcaac59699ec33193912a27c25c995a601ca11f965ada1bb75c4fa1f7bc402a51379cc132db28ddb0c937426a6b
SSDEEP 1536:NU9abrtX4oocIK3yQkaY9z/S0hhnDiKKJqTnouy8HeBsCXKTnhxJp:Nm2rocIyhYtJxKJqrout+BsZhh
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sakula persistence rat trojan upx

Malware Config

Signatures

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

Sakula payload 5 IoCs

resource	yara_rule
behavioral2/memory/1320-5-0x0000000000D70000-0x0000000000D8F000-memory.dmp	family_sakula
behavioral2/memory/3688-6-0x0000000000520000-0x000000000053F000-memory.dmp	family_sakula
behavioral2/memory/1320-7-0x0000000000D70000-0x0000000000D8F000-memory.dmp	family_sakula
behavioral2/memory/3688-13-0x0000000000520000-0x000000000053F000-memory.dmp	family_sakula
behavioral2/memory/1320-16-0x0000000000D70000-0x0000000000D8F000-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-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	b5cff9294fcffbd810b09cced61183f0N.exe

Executes dropped EXE 1 IoCs

pid	Process
1320	MediaCenter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3688-0-0x0000000000520000-0x000000000053F000-memory.dmp	upx
behavioral2/files/0x0008000000023451-3.dat	upx
behavioral2/memory/1320-5-0x0000000000D70000-0x0000000000D8F000-memory.dmp	upx
behavioral2/memory/3688-6-0x0000000000520000-0x000000000053F000-memory.dmp	upx
behavioral2/memory/1320-7-0x0000000000D70000-0x0000000000D8F000-memory.dmp	upx
behavioral2/memory/3688-13-0x0000000000520000-0x000000000053F000-memory.dmp	upx
behavioral2/memory/1320-16-0x0000000000D70000-0x0000000000D8F000-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"	b5cff9294fcffbd810b09cced61183f0N.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2652	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3688	b5cff9294fcffbd810b09cced61183f0N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 1320	3688	b5cff9294fcffbd810b09cced61183f0N.exe	84
PID 3688 wrote to memory of 1320	3688	b5cff9294fcffbd810b09cced61183f0N.exe	84
PID 3688 wrote to memory of 1320	3688	b5cff9294fcffbd810b09cced61183f0N.exe	84
PID 3688 wrote to memory of 4888	3688	b5cff9294fcffbd810b09cced61183f0N.exe	89
PID 3688 wrote to memory of 4888	3688	b5cff9294fcffbd810b09cced61183f0N.exe	89
PID 3688 wrote to memory of 4888	3688	b5cff9294fcffbd810b09cced61183f0N.exe	89
PID 4888 wrote to memory of 2652	4888	cmd.exe	91
PID 4888 wrote to memory of 2652	4888	cmd.exe	91
PID 4888 wrote to memory of 2652	4888	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\b5cff9294fcffbd810b09cced61183f0N.exe
"C:\Users\Admin\AppData\Local\Temp\b5cff9294fcffbd810b09cced61183f0N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3688
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  PID:1320
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b5cff9294fcffbd810b09cced61183f0N.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4888
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:2652

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

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 283KB
SHA256 23b6f446cf01d287b6bf9aef7dd627a336007a3433a09d1672e4ea6aefd7d0f4
MD5 9802aa59276e108480a93ec32c2a6240
SHA1 ae7198a7685b724aa4746695d9016650fea8a40c
SHA512 a16a87993004afdc7f80ed49d18e0d7aa997cf39946d7f15d0e273e1d163e13c6c2c1a78bbc6a4b308d38af2cdd4fad0163b2528b557035b3370ce7a188d91e3
SSDEEP 1536:NU9abrtX4oocIK3yQkaY9z/S0hhnDiKKJqTnouy8HeBsCXKTnhxJd:Nm2rocIyhYtJxKJqrout+BsZhl
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1320-5-0x0000000000D70000-0x0000000000D8F000-memory.dmp

Download

memory/1320-7-0x0000000000D70000-0x0000000000D8F000-memory.dmp

Download

memory/1320-16-0x0000000000D70000-0x0000000000D8F000-memory.dmp

Download

memory/3688-0-0x0000000000520000-0x000000000053F000-memory.dmp

Download

memory/3688-6-0x0000000000520000-0x000000000053F000-memory.dmp

Download

memory/3688-13-0x0000000000520000-0x000000000053F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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