sakula | e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54

Analysis

max time kernel
121s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07/10/2022, 07:00

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General

Target
10fa04bbf25570d83c37d5b7008fe85d.exe
Size 88KB
Sample221007-hsmbkabgf9
SHA256 e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54
MD5 10fa04bbf25570d83c37d5b7008fe85d
SHA1 7f6c136b0cc97cfdd0ba5e27ec03a0ea4c87193f
SHA512 8fbab615e94f86612ce7e696e6f5a0457c9a0c18ccaa286b4769315350861e14e125041b828d22a3abcfbe727020d414577e70a522bfb29b9221683ebd562612
SSDEEP 1536:Boaj1hJL1S9t0MIeboal8bCKxo7h0RP0jwHVz30rtroyPTEzg:y0hpgz6xGhTjwHN30BEybEk
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/0x0007000000022e22-133.dat	family_sakula
behavioral2/files/0x0007000000022e22-134.dat	family_sakula

Executes dropped EXE 1 IoCs

pid	Process
1304	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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	10fa04bbf25570d83c37d5b7008fe85d.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"	10fa04bbf25570d83c37d5b7008fe85d.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
900	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	568	10fa04bbf25570d83c37d5b7008fe85d.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 568 wrote to memory of 1304	568	10fa04bbf25570d83c37d5b7008fe85d.exe	83
PID 568 wrote to memory of 1304	568	10fa04bbf25570d83c37d5b7008fe85d.exe	83
PID 568 wrote to memory of 1304	568	10fa04bbf25570d83c37d5b7008fe85d.exe	83
PID 568 wrote to memory of 3740	568	10fa04bbf25570d83c37d5b7008fe85d.exe	91
PID 568 wrote to memory of 3740	568	10fa04bbf25570d83c37d5b7008fe85d.exe	91
PID 568 wrote to memory of 3740	568	10fa04bbf25570d83c37d5b7008fe85d.exe	91
PID 3740 wrote to memory of 900	3740	cmd.exe	93
PID 3740 wrote to memory of 900	3740	cmd.exe	93
PID 3740 wrote to memory of 900	3740	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.exe
"C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:568
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  PID:1304
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3740
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:900

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 88KB
SHA256 24ae1f2c41fbdcb93315414892600236d83c0b4e96dac299f3a89d05c3e73202
MD5 77719122bb497f01b4cc6c1a02e9c894
SHA1 b19a9f9502ce8c50bb5bcb8a926b89be29b1e9c5
SHA512 f76765230987bce5951f714cb22b80e80250eb41a13c5cf598ccb5d665be45f7b0551219e2d7a415fc27e92004dca6ff38a6a6c534e6fb4bc886777473d2535a
SSDEEP 1536:Boaj1hJL1S9t0MIeboal8bCKxo7h0RP0jwHVz30rtroyPTEzc:y0hpgz6xGhTjwHN30BEybEo
MD5 SHA1 SHA512 SSDEEP

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