sakula | d1789f83fb761740fc362f49fa63772401e9360a11ad67ed7b28e55fd31a5a9b

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 07:40

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General

Target
7a4b31e4efd7b802ed908b2586464b2a.exe
Size 150KB
Sample231222-jhv2dsecf6
SHA256 d1789f83fb761740fc362f49fa63772401e9360a11ad67ed7b28e55fd31a5a9b
MD5 7a4b31e4efd7b802ed908b2586464b2a
SHA1 a9a9e3a5efa81a9609f784ecc8d9e3191524c256
SHA512 47f04458166a318091717259b707e46c5e3561e58ea5eda034af66f736398156c1b446dca95f4b4f86bf39bc47bc4b93ee7159cbc76db383b18d32944806caee
SSDEEP 3072:H29DkEGRQixVSjLLJ30BWPOt5dQw+hyuGDInwo:H29qRfVSnt30Bbt+IhDFo
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sakula persistence rat trojan

Malware Config

Extracted

Family

sakula

www.polarroute.com

Signatures

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

Sakula payload 6 IoCs

resource	yara_rule
behavioral2/memory/736-0-0x0000000000CB0000-0x0000000000CDF000-memory.dmp	family_sakula
behavioral2/files/0x00070000000231df-3.dat	family_sakula
behavioral2/memory/3636-4-0x00000000002E0000-0x000000000030F000-memory.dmp	family_sakula
behavioral2/memory/736-6-0x0000000000CB0000-0x0000000000CDF000-memory.dmp	family_sakula
behavioral2/memory/3636-7-0x00000000002E0000-0x000000000030F000-memory.dmp	family_sakula
behavioral2/memory/736-8-0x0000000000CB0000-0x0000000000CDF000-memory.dmp	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	7a4b31e4efd7b802ed908b2586464b2a.exe

Executes dropped EXE 1 IoCs

pid	Process
3636	MediaCenter.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

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"	7a4b31e4efd7b802ed908b2586464b2a.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

pid	Process
4292	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	736	7a4b31e4efd7b802ed908b2586464b2a.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 3636	736	7a4b31e4efd7b802ed908b2586464b2a.exe	88
PID 736 wrote to memory of 3636	736	7a4b31e4efd7b802ed908b2586464b2a.exe	88
PID 736 wrote to memory of 3636	736	7a4b31e4efd7b802ed908b2586464b2a.exe	88
PID 736 wrote to memory of 2600	736	7a4b31e4efd7b802ed908b2586464b2a.exe	102
PID 736 wrote to memory of 2600	736	7a4b31e4efd7b802ed908b2586464b2a.exe	102
PID 736 wrote to memory of 2600	736	7a4b31e4efd7b802ed908b2586464b2a.exe	102
PID 2600 wrote to memory of 4292	2600	cmd.exe	103
PID 2600 wrote to memory of 4292	2600	cmd.exe	103
PID 2600 wrote to memory of 4292	2600	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\7a4b31e4efd7b802ed908b2586464b2a.exe
"C:\Users\Admin\AppData\Local\Temp\7a4b31e4efd7b802ed908b2586464b2a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:736
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  PID:3636
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\7a4b31e4efd7b802ed908b2586464b2a.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:4292

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

MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 150KB
SHA256 fe182b0d2bbcbcd001b9a207cf6f2c034cb2971c2ec901af7ea05433c2a77167
MD5 fc16c5f264e3519e4cb9f0f813c7b510
SHA1 8a73702dd281d02d0e34461f1dff2b339a722922
SHA512 696dc12d2418357181ca3b1d6096b86779f85c329b1a9f8610db8013e694df3d1d89799b6c73c6c52e99069219f0cf98def89881e4881f119b1710eb650a2b03
SSDEEP 3072:H29DkEGRQixVSjLLJ30BWPOt5dQw+hyuGDInwv:H29qRfVSnt30Bbt+IhDFv
MD5 SHA1 SHA512 SSDEEP

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memory/736-0-0x0000000000CB0000-0x0000000000CDF000-memory.dmp

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memory/736-6-0x0000000000CB0000-0x0000000000CDF000-memory.dmp

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memory/736-8-0x0000000000CB0000-0x0000000000CDF000-memory.dmp

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memory/3636-4-0x00000000002E0000-0x000000000030F000-memory.dmp

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memory/3636-7-0x00000000002E0000-0x000000000030F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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