sakula | 3cc8b2231fbe4d0902ee29a574808f39d67faa2bccb14f7a3d274bc6900ba949

General

Target
3cc8b2231fbe4d0902ee29a574808f39d67faa2bccb14f7a3d274bc6900ba949.exe
Size 99KB
Sample260910-rr4c5ayvh1
SHA256 3cc8b2231fbe4d0902ee29a574808f39d67faa2bccb14f7a3d274bc6900ba949
MD5 7e7bf1143c660b0cfc03c1f517f9542c
SHA1 4eafb0c00a7fe08e1d081ea5988a5e5db8931f2e
SHA512 bcaf9d073778b83190a7779bbe2cd298f85aed363c49be16d2b3a712aeb08d59de5bc4140099329cc758aae8c7e2c3a19b6bb23ddd56c01574b427bcc2b866dc
SSDEEP 1536:ioaj1hJL1S9t0MIeboal8bCKxo7h0RPaaml0Nz30rtrix:t0hpgz6xGhZamyF30B2x
TLSH
T163A35A16B6D0C032E062153804B8E6635A7AF9324ABCC1977BC5177EBEB03D1993AF56
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution sakula persistence rat trojan

Malware Config

Signatures

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

Sakula payload 6 IoCs

resource	yara_rule
behavioral1/memory/2684-0-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/files/0x000800000002447e-3.dat	family_sakula
behavioral1/memory/4576-4-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/memory/2684-6-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/memory/4576-7-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/memory/2684-8-0x0000000000400000-0x000000000041B000-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-1-5-21-876885714-46325919-1482798410-1000\Control Panel\International\Geo\Nation	3cc8b2231fbe4d0902ee29a574808f39d67faa2bccb14f7a3d274bc6900ba949.exe

Executes dropped EXE 1 IoCs

pid	Process
4576	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"	3cc8b2231fbe4d0902ee29a574808f39d67faa2bccb14f7a3d274bc6900ba949.exe

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4220	cmd.exe

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	3cc8b2231fbe4d0902ee29a574808f39d67faa2bccb14f7a3d274bc6900ba949.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
4220	cmd.exe
3788	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3788	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2684	3cc8b2231fbe4d0902ee29a574808f39d67faa2bccb14f7a3d274bc6900ba949.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 4576	2684	3cc8b2231fbe4d0902ee29a574808f39d67faa2bccb14f7a3d274bc6900ba949.exe	87
PID 2684 wrote to memory of 4220	2684	3cc8b2231fbe4d0902ee29a574808f39d67faa2bccb14f7a3d274bc6900ba949.exe	90
PID 4220 wrote to memory of 3788	4220	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\3cc8b2231fbe4d0902ee29a574808f39d67faa2bccb14f7a3d274bc6900ba949.exe
"C:\Users\Admin\AppData\Local\Temp\3cc8b2231fbe4d0902ee29a574808f39d67faa2bccb14f7a3d274bc6900ba949.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:2684
- 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:4576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\3cc8b2231fbe4d0902ee29a574808f39d67faa2bccb14f7a3d274bc6900ba949.exe"
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4220
- - 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:3788

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

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

MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 99KB
SHA256 f9af17374a2ce002c44beaf3e73ee29e049e5982bdf2b339c490c3d6f682d399
MD5 f61493ba7497c63c1140ea92b29e4883
SHA1 ac82b02c97a4c34ed37842a179ce140922deb4ad
SHA512 b5b14318bf361c0dc35ca9e7e72673d8570bfeab72a2d3eaa46cd9f9e1fd3b3b2a1a0e8b579837f351d895e11987bc9d4037796041f65be37b049e492271b047
SSDEEP 1536:ioaj1hJL1S9t0MIeboal8bCKxo7h0RPaaml0Nz30rtrix7:t0hpgz6xGhZamyF30B2x7
TLSH
T101A35A16B6D0C032E062153804B8E6635A7AF9324BBCC1977BC5177EBEB03D1993AF56
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2684-0-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/2684-6-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/2684-8-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4576-4-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4576-7-0x0000000000400000-0x000000000041B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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