sakula | dbaf2510b30e72e842f27bc9e5d132ac49adfe20053dc8baee2c2ee6c929631e

Analysis

max time kernel
140s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2023 15:17

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General

Target

d4c5737c0af19dce355a6cea4b155d83.exe
Size

92KB
MD5

d4c5737c0af19dce355a6cea4b155d83
SHA1

7dbaabc81908474c6d2b7344066a52c17d782de1
SHA256

dbaf2510b30e72e842f27bc9e5d132ac49adfe20053dc8baee2c2ee6c929631e
SHA512

bed5c7f31dd58c19b5942f1b134427f0ae320bb272dcc3e35f6a1dd32ee4cba3b3d38fa06cf7e5b5e37d97cad6a9a5e72f690cdefa224e5b97ad56e85549c422
SSDEEP

1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrzv:9bfVk29te2jqxCEtg30BX

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 1 IoCs

Processes:

resource	yara_rule
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:

d4c5737c0af19dce355a6cea4b155d83.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	d4c5737c0af19dce355a6cea4b155d83.exe

Executes dropped EXE 1 IoCs

Processes:

AdobeUpdate.exe

pid process

2264 AdobeUpdate.exe

pid	process
2264	AdobeUpdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

d4c5737c0af19dce355a6cea4b155d83.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"	d4c5737c0af19dce355a6cea4b155d83.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

4928 PING.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

d4c5737c0af19dce355a6cea4b155d83.exe

description pid process

Token: SeIncBasePriorityPrivilege 1788 d4c5737c0af19dce355a6cea4b155d83.exe

pid	process
4928	PING.EXE

description	pid	process
Token: SeIncBasePriorityPrivilege	1788	d4c5737c0af19dce355a6cea4b155d83.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d4c5737c0af19dce355a6cea4b155d83.execmd.exe

description	pid	process	target process
PID 1788 wrote to memory of 2264	1788	d4c5737c0af19dce355a6cea4b155d83.exe	AdobeUpdate.exe
PID 1788 wrote to memory of 2264	1788	d4c5737c0af19dce355a6cea4b155d83.exe	AdobeUpdate.exe
PID 1788 wrote to memory of 2264	1788	d4c5737c0af19dce355a6cea4b155d83.exe	AdobeUpdate.exe
PID 1788 wrote to memory of 4396	1788	d4c5737c0af19dce355a6cea4b155d83.exe	cmd.exe
PID 1788 wrote to memory of 4396	1788	d4c5737c0af19dce355a6cea4b155d83.exe	cmd.exe
PID 1788 wrote to memory of 4396	1788	d4c5737c0af19dce355a6cea4b155d83.exe	cmd.exe
PID 4396 wrote to memory of 4928	4396	cmd.exe	PING.EXE
PID 4396 wrote to memory of 4928	4396	cmd.exe	PING.EXE
PID 4396 wrote to memory of 4928	4396	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\d4c5737c0af19dce355a6cea4b155d83.exe
"C:\Users\Admin\AppData\Local\Temp\d4c5737c0af19dce355a6cea4b155d83.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
2⤵
- Executes dropped EXE
PID:2264

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\d4c5737c0af19dce355a6cea4b155d83.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4396

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4928

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
92KB

MD5
dc2e7b9c7cfd32e03b44fea2932a8175

SHA1
7829d60e089e146886802e899f725072b33b23b2

SHA256
e0c315559fafe6ab256248cf218741d6b87a9d064f0d70379a904eea2f3f9497

SHA512
35e68667c5047b2f0de5e72362fcb6cf3b5229d0540c991f1cede44e74eb71b1e3eb0f7bbe5ae6433ec0879da79a2bc497f80b5e5e9944eaf29d9dd016a57a43

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