sakula | c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfb

General

Target

c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.exe
Size

35KB
MD5

0d3d9d526a61a3e030b4615b3f96add0
SHA1

b1f175aae098ea1ae723b3f6fa760b9943765b12
SHA256

c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfb
SHA512

e28888002f721fb5da22e66507c8693be1a7b9cabc3c9c3d158c5aa10b5a4d45e89e9e308c2ac4810ce91c628c3f0ea5391a2b5caa6f685ab4fceaabf71fa160
SSDEEP

768:qwbYGCv4nuEcJpQK4TQbtKvXwXgA9lJJea+yGCJQqeWnAEv2647Dp:qwbYP4nuEApQK4TQbtY2gA9DX+ytBOb

Score

10^/10

sakula discovery persistence rat trojan

Malware Config

Signatures

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

Sakula payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1992-6-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral2/memory/224-8-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral2/memory/1992-13-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral2/memory/224-19-0x0000000000400000-0x000000000041A000-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

Processes:

c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.exe

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

224 MediaCenter.exe

pid	process
224	MediaCenter.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.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

Processes:

c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.exeMediaCenter.execmd.exePING.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.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

Processes:

cmd.exePING.EXE

pid process

2240 cmd.exe
1588 PING.EXE
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1588 PING.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.exe

description pid process

Token: SeIncBasePriorityPrivilege 1992 c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.exe

pid	process
2240	cmd.exe
1588	PING.EXE

pid	process
1588	PING.EXE

description	pid	process
Token: SeIncBasePriorityPrivilege	1992	c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.execmd.exe

description	pid	process	target process
PID 1992 wrote to memory of 224	1992	c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.exe	MediaCenter.exe
PID 1992 wrote to memory of 224	1992	c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.exe	MediaCenter.exe
PID 1992 wrote to memory of 224	1992	c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.exe	MediaCenter.exe
PID 1992 wrote to memory of 2240	1992	c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.exe	cmd.exe
PID 1992 wrote to memory of 2240	1992	c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.exe	cmd.exe
PID 1992 wrote to memory of 2240	1992	c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.exe	cmd.exe
PID 2240 wrote to memory of 1588	2240	cmd.exe	PING.EXE
PID 2240 wrote to memory of 1588	2240	cmd.exe	PING.EXE
PID 2240 wrote to memory of 1588	2240	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.exe
"C:\Users\Admin\AppData\Local\Temp\c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.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:1992
- 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:224
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\c55ea932b99b57d61693ed3f80b0a0e87525369741d723910b1db202970a0cfbN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2240
- - 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:1588

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

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Downloads

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

Filesize
35KB

MD5
9953431c8617cf29689337e8e6eb1b1b

SHA1
086617b6e9d7933d1d475b9845fe551c69531eb8

SHA256
5a67fc12f5068dee990e9f97fa458d5db655746eb647f8cb1de2e624bd5463ec

SHA512
3819130356db2a72f1ab024ef5259f9ecbf8687a4e85282f4d179a0f3d0e9b06f1a317cc8ada560627fc790fdea5c934c2cbaad4ae524029d3626128e8de031a

Download Submit
memory/224-4-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/224-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/224-19-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1992-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1992-6-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1992-13-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads