sakula | 82334fde2fa92edf636d8885d542627f98aa326cf50df9b0f124229d8d857b11

Analysis

max time kernel
131s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2022, 02:36

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General

Target
3cae1b420842e5bc4098dffac0dd44fa.exe
Size 89KB
Sample221010-c3scnsach5
SHA256 82334fde2fa92edf636d8885d542627f98aa326cf50df9b0f124229d8d857b11
MD5 3cae1b420842e5bc4098dffac0dd44fa
SHA1 321be89ffb70aa7c4cccfdb80df413b1c76c2230
SHA512 838f25841dc233671dd007b94c871ef0bb42b6efff66ecf4a079e9cd406ecbc228fe4050702f14224d4d46e50905f6fab9a6e02f35c7904bc8f74563c8e2d1c8
SSDEEP 1536:voaj1hJL1S9t0MIeboal8bCKxo7h0RP0jwHVz30rtroWuxzug:Q0hpgz6xGhTjwHN30BE3D
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/0x000b000000022f3d-133.dat	family_sakula
behavioral2/files/0x000b000000022f3d-134.dat	family_sakula

Executes dropped EXE 1 IoCs

pid	Process
4968	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	3cae1b420842e5bc4098dffac0dd44fa.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"	3cae1b420842e5bc4098dffac0dd44fa.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
3724	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3448	3cae1b420842e5bc4098dffac0dd44fa.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 4968	3448	3cae1b420842e5bc4098dffac0dd44fa.exe	81
PID 3448 wrote to memory of 4968	3448	3cae1b420842e5bc4098dffac0dd44fa.exe	81
PID 3448 wrote to memory of 4968	3448	3cae1b420842e5bc4098dffac0dd44fa.exe	81
PID 3448 wrote to memory of 3416	3448	3cae1b420842e5bc4098dffac0dd44fa.exe	89
PID 3448 wrote to memory of 3416	3448	3cae1b420842e5bc4098dffac0dd44fa.exe	89
PID 3448 wrote to memory of 3416	3448	3cae1b420842e5bc4098dffac0dd44fa.exe	89
PID 3416 wrote to memory of 3724	3416	cmd.exe	91
PID 3416 wrote to memory of 3724	3416	cmd.exe	91
PID 3416 wrote to memory of 3724	3416	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\3cae1b420842e5bc4098dffac0dd44fa.exe
"C:\Users\Admin\AppData\Local\Temp\3cae1b420842e5bc4098dffac0dd44fa.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3448
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  PID:4968
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\3cae1b420842e5bc4098dffac0dd44fa.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3416
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:3724

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 89KB
SHA256 bdd61c172eecd899a11ef6638f565789bdb95528d23dda88fd7480f926b5a029
MD5 2a64a6d6a74484ac0436352c048e9463
SHA1 a73d9a28a993c892c5d70004133f8bb24b783942
SHA512 64354321bb87a83f9d8dda47e4967c0c9d249d447b7c97c311726905940a931e2ddd8b890edf966d3504cf893855da7bb815a3d50e7a97681e4a7bd5c33520a8
SSDEEP 1536:voaj1hJL1S9t0MIeboal8bCKxo7h0RP0jwHVz30rtroWuxzum:Q0hpgz6xGhTjwHN30BE3B
MD5 SHA1 SHA512 SSDEEP

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