sakula | f20c2414321a3a853db45f2c1fc76e4a14e651dea9addc243f2994619cf09f62

General

Target
f20c2414321a3a853db45f2c1fc76e4a14e651dea9addc243f2994619cf09f62.exe
Size 60KB
Sample221018-dvrxlseebk
SHA256 f20c2414321a3a853db45f2c1fc76e4a14e651dea9addc243f2994619cf09f62
MD5 700e2820dc297368efcbf9d09b6b1157
SHA1 89258562123dbd186df717b3560def051c5d483b
SHA512 c436962a25c7611635c4677715848e8542155187f8bf75ee0f244af22b14ea4e9685900649aea00483773c88def0e13877928a1f819dcb553538033eba71ac31
SSDEEP 1536:iZioIoCwbYP4nuEApQK4TQbtY2gA9DX+ytBO8c3G3eTJ/a:iEoIlwIguEA4c5DgA9DOyq0eFy
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sakula persistence rat trojan

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/1320-135-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral2/memory/5036-136-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral2/memory/5036-137-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral2/memory/1320-139-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

pid	Process
5036	MediaCenter.exe

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	f20c2414321a3a853db45f2c1fc76e4a14e651dea9addc243f2994619cf09f62.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

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"	f20c2414321a3a853db45f2c1fc76e4a14e651dea9addc243f2994619cf09f62.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3832	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1320	f20c2414321a3a853db45f2c1fc76e4a14e651dea9addc243f2994619cf09f62.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 5036	1320	f20c2414321a3a853db45f2c1fc76e4a14e651dea9addc243f2994619cf09f62.exe	81
PID 1320 wrote to memory of 5036	1320	f20c2414321a3a853db45f2c1fc76e4a14e651dea9addc243f2994619cf09f62.exe	81
PID 1320 wrote to memory of 5036	1320	f20c2414321a3a853db45f2c1fc76e4a14e651dea9addc243f2994619cf09f62.exe	81
PID 1320 wrote to memory of 456	1320	f20c2414321a3a853db45f2c1fc76e4a14e651dea9addc243f2994619cf09f62.exe	90
PID 1320 wrote to memory of 456	1320	f20c2414321a3a853db45f2c1fc76e4a14e651dea9addc243f2994619cf09f62.exe	90
PID 1320 wrote to memory of 456	1320	f20c2414321a3a853db45f2c1fc76e4a14e651dea9addc243f2994619cf09f62.exe	90
PID 456 wrote to memory of 3832	456	cmd.exe	92
PID 456 wrote to memory of 3832	456	cmd.exe	92
PID 456 wrote to memory of 3832	456	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\f20c2414321a3a853db45f2c1fc76e4a14e651dea9addc243f2994619cf09f62.exe
"C:\Users\Admin\AppData\Local\Temp\f20c2414321a3a853db45f2c1fc76e4a14e651dea9addc243f2994619cf09f62.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  PID:5036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\f20c2414321a3a853db45f2c1fc76e4a14e651dea9addc243f2994619cf09f62.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:456
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:3832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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 60KB
SHA256 fc6241dc39a0e2837e1765852de5a7ef6ed20e2035fcd605362563503d2d2a06
MD5 06789e21da013dc0bcb61217840de79e
SHA1 5e0d932e744637903c67fdae61dceb770008f959
SHA512 5f255c258d03f60b2e2ea95320cd686e706ebfe776249017d7f2f1d042a03638a66c36d601260d04ee653fb0dd1339eff318a57d019764f07410c5c7d8b2fa1b
SSDEEP 1536:iZioIoCwbYP4nuEApQK4TQbtY2gA9DX+ytBO8c3G3eTJ/9:iEoIlwIguEA4c5DgA9DOyq0eFl
MD5 SHA1 SHA512 SSDEEP

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MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 60KB
SHA256 fc6241dc39a0e2837e1765852de5a7ef6ed20e2035fcd605362563503d2d2a06
MD5 06789e21da013dc0bcb61217840de79e
SHA1 5e0d932e744637903c67fdae61dceb770008f959
SHA512 5f255c258d03f60b2e2ea95320cd686e706ebfe776249017d7f2f1d042a03638a66c36d601260d04ee653fb0dd1339eff318a57d019764f07410c5c7d8b2fa1b
SSDEEP 1536:iZioIoCwbYP4nuEApQK4TQbtY2gA9DX+ytBO8c3G3eTJ/9:iEoIlwIguEA4c5DgA9DOyq0eFl
MD5 SHA1 SHA512 SSDEEP

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memory/1320-135-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/1320-139-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/5036-136-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/5036-137-0x0000000000400000-0x000000000041A000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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