sakula | e8cbc695da0a4e41d0a99ac2a65351e0c89848ec5a7eaa66203e2ba44928b4f3

Analysis

max time kernel
130s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2022, 08:30

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General

Target
e8cbc695da0a4e41d0a99ac2a65351e0c89848ec5a7eaa66203e2ba44928b4f3.exe
Size 98KB
Sample221018-kd6srsfbb2
SHA256 e8cbc695da0a4e41d0a99ac2a65351e0c89848ec5a7eaa66203e2ba44928b4f3
MD5 61904881703150762d61354d40bc6d03
SHA1 8c05ffcb409a54ec20994e681cb426e2b676cfe5
SHA512 2b7dca253883b8dca8ae86d80ee7a2b67ba5a4e5b121aa5e684cc914d43cb85b7cda05d975bc7a6ef1cce52aad0c09417b22c442fe91a75de0868b37b15c5e3e
SSDEEP 1536:XQFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+ees52z30rtrBuxzuA:429DkEGRQixVSjLaes5G30B6r
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 2 IoCs

resource	yara_rule
behavioral2/files/0x0007000000022f67-133.dat	family_sakula
behavioral2/files/0x0007000000022f67-134.dat	family_sakula

Executes dropped EXE 1 IoCs

pid	Process
5068	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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	e8cbc695da0a4e41d0a99ac2a65351e0c89848ec5a7eaa66203e2ba44928b4f3.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"	e8cbc695da0a4e41d0a99ac2a65351e0c89848ec5a7eaa66203e2ba44928b4f3.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
1148	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2892	e8cbc695da0a4e41d0a99ac2a65351e0c89848ec5a7eaa66203e2ba44928b4f3.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 5068	2892	e8cbc695da0a4e41d0a99ac2a65351e0c89848ec5a7eaa66203e2ba44928b4f3.exe	81
PID 2892 wrote to memory of 5068	2892	e8cbc695da0a4e41d0a99ac2a65351e0c89848ec5a7eaa66203e2ba44928b4f3.exe	81
PID 2892 wrote to memory of 5068	2892	e8cbc695da0a4e41d0a99ac2a65351e0c89848ec5a7eaa66203e2ba44928b4f3.exe	81
PID 2892 wrote to memory of 2788	2892	e8cbc695da0a4e41d0a99ac2a65351e0c89848ec5a7eaa66203e2ba44928b4f3.exe	90
PID 2892 wrote to memory of 2788	2892	e8cbc695da0a4e41d0a99ac2a65351e0c89848ec5a7eaa66203e2ba44928b4f3.exe	90
PID 2892 wrote to memory of 2788	2892	e8cbc695da0a4e41d0a99ac2a65351e0c89848ec5a7eaa66203e2ba44928b4f3.exe	90
PID 2788 wrote to memory of 1148	2788	cmd.exe	92
PID 2788 wrote to memory of 1148	2788	cmd.exe	92
PID 2788 wrote to memory of 1148	2788	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\e8cbc695da0a4e41d0a99ac2a65351e0c89848ec5a7eaa66203e2ba44928b4f3.exe
"C:\Users\Admin\AppData\Local\Temp\e8cbc695da0a4e41d0a99ac2a65351e0c89848ec5a7eaa66203e2ba44928b4f3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  PID:5068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\e8cbc695da0a4e41d0a99ac2a65351e0c89848ec5a7eaa66203e2ba44928b4f3.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2788
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:1148

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

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 98KB
SHA256 1475f74c512353277de115b8375e3743fa352ddceb4b3a1889152c81215f2f42
MD5 e502c3d9acb1a39459e9c136d3a05815
SHA1 e3b201f6a2741a91965a7ad9553d0c6e9ac2a983
SHA512 d98783d64d12abe0ecca729675cd1b17aa3c40adfd3f5155ae765cd4fad97e22271b60c43e21db212b3f41faa58673df875d4c006fb45d976583e7b046af3daf
SSDEEP 1536:XQFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+ees52z30rtrBuxzuD:429DkEGRQixVSjLaes5G30B64
MD5 SHA1 SHA512 SSDEEP

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