sakula | b5fc2ab9a024851867a3bd70e662db6fd1ce3ef724c77f2b39bbda7f13407585

Analysis

max time kernel
143s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2023 13:08

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General

Target

NEAS.4ec630cb3c17ea868f7684de52474290.exe
Size

101KB
MD5

4ec630cb3c17ea868f7684de52474290
SHA1

f1341276ad3ecc993872f479aef8a03a72a0dd33
SHA256

b5fc2ab9a024851867a3bd70e662db6fd1ce3ef724c77f2b39bbda7f13407585
SHA512

635af0624ed899dd5955025989e883de099f150bd3c7133fcb07670bb4ca06b9002dffea91c1db9bdea7a2398ef4980ce0bb79743696eeb3d6a1383c0093e604
SSDEEP

1536:9JbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrfPTEzW:/bfVk29te2jqxCEtg30BLbEq

Score

10^/10

sakula persistence rat trojan

Malware Config

Extracted

Family

sakula

www.savmpet.com

Signatures

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

Sakula payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe	family_sakula
C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe	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

Processes:

NEAS.4ec630cb3c17ea868f7684de52474290.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Control Panel\International\Geo\Nation	NEAS.4ec630cb3c17ea868f7684de52474290.exe

Executes dropped EXE 1 IoCs

Processes:

AdobeUpdate.exe

pid process

4644 AdobeUpdate.exe

pid	process
4644	AdobeUpdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

NEAS.4ec630cb3c17ea868f7684de52474290.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe"	NEAS.4ec630cb3c17ea868f7684de52474290.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

Processes:

PING.EXE

pid process

3524 PING.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

NEAS.4ec630cb3c17ea868f7684de52474290.exe

description pid process

Token: SeIncBasePriorityPrivilege 1480 NEAS.4ec630cb3c17ea868f7684de52474290.exe

pid	process
3524	PING.EXE

description	pid	process
Token: SeIncBasePriorityPrivilege	1480	NEAS.4ec630cb3c17ea868f7684de52474290.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

NEAS.4ec630cb3c17ea868f7684de52474290.execmd.exe

description	pid	process	target process
PID 1480 wrote to memory of 4644	1480	NEAS.4ec630cb3c17ea868f7684de52474290.exe	AdobeUpdate.exe
PID 1480 wrote to memory of 4644	1480	NEAS.4ec630cb3c17ea868f7684de52474290.exe	AdobeUpdate.exe
PID 1480 wrote to memory of 4644	1480	NEAS.4ec630cb3c17ea868f7684de52474290.exe	AdobeUpdate.exe
PID 1480 wrote to memory of 4420	1480	NEAS.4ec630cb3c17ea868f7684de52474290.exe	cmd.exe
PID 1480 wrote to memory of 4420	1480	NEAS.4ec630cb3c17ea868f7684de52474290.exe	cmd.exe
PID 1480 wrote to memory of 4420	1480	NEAS.4ec630cb3c17ea868f7684de52474290.exe	cmd.exe
PID 4420 wrote to memory of 3524	4420	cmd.exe	PING.EXE
PID 4420 wrote to memory of 3524	4420	cmd.exe	PING.EXE
PID 4420 wrote to memory of 3524	4420	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\NEAS.4ec630cb3c17ea868f7684de52474290.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.4ec630cb3c17ea868f7684de52474290.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1480

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
2⤵
- Executes dropped EXE
PID:4644

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.4ec630cb3c17ea868f7684de52474290.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4420

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
Filesize
101KB

MD5
371def4aee3e04b104931e250fb0db3e

SHA1
8336a3315f02adac3e1d0a0edd06931ef8a7475e

SHA256
b3e5385edd44c55293d96ea4ce0655efb9902f41ba775ab3e94c2ffc468a055d

SHA512
e55482c1a186f51ad3c3d3adcd3808157b742f61894ea2bae8f4eeaac70153257ea7583878a3ce1e95c0e617fef6cf2f3a39a9e4f7e6f063620693ee6cfd3431

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C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
Filesize
101KB

MD5
371def4aee3e04b104931e250fb0db3e

SHA1
8336a3315f02adac3e1d0a0edd06931ef8a7475e

SHA256
b3e5385edd44c55293d96ea4ce0655efb9902f41ba775ab3e94c2ffc468a055d

SHA512
e55482c1a186f51ad3c3d3adcd3808157b742f61894ea2bae8f4eeaac70153257ea7583878a3ce1e95c0e617fef6cf2f3a39a9e4f7e6f063620693ee6cfd3431

Download Submit