sakula | b4986ba5a079c6d9525ac916b25338b7b4c428057dd5877583d673b1f32557b1

General

Target
b4986ba5a079c6d9525ac916b25338b7b4c428057dd5877583d673b1f32557b1.exe
Size 632KB
Sample241112-csghessflq
SHA256 b4986ba5a079c6d9525ac916b25338b7b4c428057dd5877583d673b1f32557b1
MD5 d43ec112e2880ec74f7b29f1e7a91ee8
SHA1 61faa8e8bd5a83daf670c9f5dc7feb7a0c9ba5a9
SHA512 21c3ff536583dc7d9b8374ff9a64f3e78c7999ea5f929002c90d9c9fc92568a976e32c2b2a55aa1c7bd79b7304c02ba50523e6fa914d4e5e15ff0720509136dd
SSDEEP 12288:0RfQn+w8EYiBlMkn5f9J105ko8T6csV5o:g4+wlYBsb3zNs5o
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sakula discovery persistence rat trojan

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

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

Sakula payload 5 IoCs

resource	yara_rule
behavioral2/memory/316-0-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/files/0x000a000000023b6d-3.dat	family_sakula
behavioral2/memory/1988-5-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/316-6-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/1988-7-0x0000000000400000-0x0000000000420000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	b4986ba5a079c6d9525ac916b25338b7b4c428057dd5877583d673b1f32557b1.exe

Executes dropped EXE 1 IoCs

pid	Process
1988	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"	b4986ba5a079c6d9525ac916b25338b7b4c428057dd5877583d673b1f32557b1.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b4986ba5a079c6d9525ac916b25338b7b4c428057dd5877583d673b1f32557b1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediaCenter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4300	PING.EXE
2360	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4300	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	316	b4986ba5a079c6d9525ac916b25338b7b4c428057dd5877583d673b1f32557b1.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 1988	316	b4986ba5a079c6d9525ac916b25338b7b4c428057dd5877583d673b1f32557b1.exe	83
PID 316 wrote to memory of 1988	316	b4986ba5a079c6d9525ac916b25338b7b4c428057dd5877583d673b1f32557b1.exe	83
PID 316 wrote to memory of 1988	316	b4986ba5a079c6d9525ac916b25338b7b4c428057dd5877583d673b1f32557b1.exe	83
PID 316 wrote to memory of 2360	316	b4986ba5a079c6d9525ac916b25338b7b4c428057dd5877583d673b1f32557b1.exe	102
PID 316 wrote to memory of 2360	316	b4986ba5a079c6d9525ac916b25338b7b4c428057dd5877583d673b1f32557b1.exe	102
PID 316 wrote to memory of 2360	316	b4986ba5a079c6d9525ac916b25338b7b4c428057dd5877583d673b1f32557b1.exe	102
PID 2360 wrote to memory of 4300	2360	cmd.exe	104
PID 2360 wrote to memory of 4300	2360	cmd.exe	104
PID 2360 wrote to memory of 4300	2360	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\b4986ba5a079c6d9525ac916b25338b7b4c428057dd5877583d673b1f32557b1.exe
"C:\Users\Admin\AppData\Local\Temp\b4986ba5a079c6d9525ac916b25338b7b4c428057dd5877583d673b1f32557b1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:316
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1988
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b4986ba5a079c6d9525ac916b25338b7b4c428057dd5877583d673b1f32557b1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 632KB
SHA256 e8b2826679a22fb74c7ec6d6260af6b874e8e11710f644cb04e57d51cc3ac186
MD5 011aff74d1f103846602398173e8a558
SHA1 e132aae9b49ef7e9d503200749301689b2c1c237
SHA512 22568e686fc50834d3363744c8b0afe8edb6fe7315dc4945ab3708803061bc7c28258fc2c389b5b7cf95a75c196a8b7ac00a460e8429caa8fde8d451c4726ded
SSDEEP 12288:0RfQn+w8EYiBlMkn5f9J105ko8T6csV50:g4+wlYBsb3zNs50
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/316-0-0x0000000000400000-0x0000000000420000-memory.dmp

Download

memory/316-6-0x0000000000400000-0x0000000000420000-memory.dmp

Download

memory/1988-5-0x0000000000400000-0x0000000000420000-memory.dmp

Download

memory/1988-7-0x0000000000400000-0x0000000000420000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads