sakula | 1debc837add53cd6baf31583a71385eab6aeefc19684549cffe5c539763a0b41

Analysis

max time kernel
140s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
26-09-2023 15:33

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General

Target

241e21d6765c970c6092fbe0ba00a6af_JC.exe
Size

101KB
MD5

241e21d6765c970c6092fbe0ba00a6af
SHA1

721c1c3ad2214ce099756a44c77579ffcef55b6d
SHA256

1debc837add53cd6baf31583a71385eab6aeefc19684549cffe5c539763a0b41
SHA512

3f3568d60520fcbe6e9e2ad694bd6a093fd25b7d998fcd7ca3b18c7934de7907c58c63628245b3b76e04cf0da8446ece105a547240ff47e91a9bda2109513be3
SSDEEP

1536:9JbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrfPTEzo:/bfVk29te2jqxCEtg30BLbEE

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:

241e21d6765c970c6092fbe0ba00a6af_JC.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation	241e21d6765c970c6092fbe0ba00a6af_JC.exe

Executes dropped EXE 1 IoCs

Processes:

AdobeUpdate.exe

pid process

2380 AdobeUpdate.exe

pid	process
2380	AdobeUpdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

241e21d6765c970c6092fbe0ba00a6af_JC.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"	241e21d6765c970c6092fbe0ba00a6af_JC.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

3404 PING.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

241e21d6765c970c6092fbe0ba00a6af_JC.exe

description pid process

Token: SeIncBasePriorityPrivilege 4100 241e21d6765c970c6092fbe0ba00a6af_JC.exe

pid	process
3404	PING.EXE

description	pid	process
Token: SeIncBasePriorityPrivilege	4100	241e21d6765c970c6092fbe0ba00a6af_JC.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

241e21d6765c970c6092fbe0ba00a6af_JC.execmd.exe

description	pid	process	target process
PID 4100 wrote to memory of 2380	4100	241e21d6765c970c6092fbe0ba00a6af_JC.exe	AdobeUpdate.exe
PID 4100 wrote to memory of 2380	4100	241e21d6765c970c6092fbe0ba00a6af_JC.exe	AdobeUpdate.exe
PID 4100 wrote to memory of 2380	4100	241e21d6765c970c6092fbe0ba00a6af_JC.exe	AdobeUpdate.exe
PID 4100 wrote to memory of 3000	4100	241e21d6765c970c6092fbe0ba00a6af_JC.exe	cmd.exe
PID 4100 wrote to memory of 3000	4100	241e21d6765c970c6092fbe0ba00a6af_JC.exe	cmd.exe
PID 4100 wrote to memory of 3000	4100	241e21d6765c970c6092fbe0ba00a6af_JC.exe	cmd.exe
PID 3000 wrote to memory of 3404	3000	cmd.exe	PING.EXE
PID 3000 wrote to memory of 3404	3000	cmd.exe	PING.EXE
PID 3000 wrote to memory of 3404	3000	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\241e21d6765c970c6092fbe0ba00a6af_JC.exe
"C:\Users\Admin\AppData\Local\Temp\241e21d6765c970c6092fbe0ba00a6af_JC.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4100
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  2⤵
  - Executes dropped EXE
  PID:2380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\241e21d6765c970c6092fbe0ba00a6af_JC.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3000
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:3404

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
703fbb8db11d5ffea75455fcfb9b4d6d

SHA1
d1b22a3cda49ae07d20409a78a863b1aaf906c6d

SHA256
914427e1d943c2efb00123ec6ee6c71647bada797f506d32e5d555989645b08a

SHA512
e552661c5fa855ed7f40809a19acb1abe83ba7a17f0d0951154a1cbcc7e8718afc72811fc8b55a1bf8c8d2f62efcc66f6a1a84bf88e47c70d16c9d4fa4876dd1

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

Filesize
101KB

MD5
703fbb8db11d5ffea75455fcfb9b4d6d

SHA1
d1b22a3cda49ae07d20409a78a863b1aaf906c6d

SHA256
914427e1d943c2efb00123ec6ee6c71647bada797f506d32e5d555989645b08a

SHA512
e552661c5fa855ed7f40809a19acb1abe83ba7a17f0d0951154a1cbcc7e8718afc72811fc8b55a1bf8c8d2f62efcc66f6a1a84bf88e47c70d16c9d4fa4876dd1

Download Submit