sakula | bf77916603de986b57e6f96a9298f41351301c6fea7c1cfc8aa489330f535bbf

General

Target
bf77916603de986b57e6f96a9298f41351301c6fea7c1cfc8aa489330f535bbf.exe
Size 99KB
Sample260508-gp3cyadt2s
SHA256 bf77916603de986b57e6f96a9298f41351301c6fea7c1cfc8aa489330f535bbf
MD5 be847c90be2ff5aad7844e978db8a0f3
SHA1 2977212e87a844881db8bf890c4bd19b5ee47249
SHA512 40c85c131e0257f2e02543511d57c943ce0e4a04f42310be13ca7744d4500cb534fd841ffd27136c65b230e0297608bc776e54156a119d031ec9c2d01c84b3ae
SSDEEP 1536:ioaj1hJL1S9t0MIeboal8bCKxo7h0RPaaml0Nz30rtrDxs:t0hpgz6xGhZamyF30BXxs
TLSH
T118A35A16B6D0C032E062153804B8E6635A7AF9324BBCC1977BC5177EBEB03D1993AF56
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery 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/3000-0-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/files/0x00080000000242c1-3.dat	family_sakula
behavioral1/memory/2172-4-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/memory/3000-6-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/memory/2172-8-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/memory/3000-12-0x0000000000400000-0x000000000041B000-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-1-5-21-636600838-1632888396-3521553955-1000\Control Panel\International\Geo\Nation	bf77916603de986b57e6f96a9298f41351301c6fea7c1cfc8aa489330f535bbf.exe

Executes dropped EXE 1 IoCs

pid	Process
2172	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"	bf77916603de986b57e6f96a9298f41351301c6fea7c1cfc8aa489330f535bbf.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bf77916603de986b57e6f96a9298f41351301c6fea7c1cfc8aa489330f535bbf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediaCenter.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
4644	cmd.exe
4568	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4568	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3000	bf77916603de986b57e6f96a9298f41351301c6fea7c1cfc8aa489330f535bbf.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2172	3000	bf77916603de986b57e6f96a9298f41351301c6fea7c1cfc8aa489330f535bbf.exe	83
PID 3000 wrote to memory of 4644	3000	bf77916603de986b57e6f96a9298f41351301c6fea7c1cfc8aa489330f535bbf.exe	92
PID 4644 wrote to memory of 4568	4644	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\bf77916603de986b57e6f96a9298f41351301c6fea7c1cfc8aa489330f535bbf.exe
"C:\Users\Admin\AppData\Local\Temp\bf77916603de986b57e6f96a9298f41351301c6fea7c1cfc8aa489330f535bbf.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:3000
- 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:2172
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\bf77916603de986b57e6f96a9298f41351301c6fea7c1cfc8aa489330f535bbf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4644
- - 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:4568

Network

MITRE ATT&CK Enterprise v16

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

MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 99KB
SHA256 d5eb786b2ae6c1c871d6d578fe3400ee9904588d9b479ff90a1e73311a1ad320
MD5 d040341f545410a15ab6becce0c940a4
SHA1 2b5c9b643c5ed78fec4df5e35f63c64b6f1c0563
SHA512 e018ed0c11d9b33b24b5081af5c5dfd0ed24d7cc1251bb77cacdaf0c7161769289d6eab0fd52bdce92a74b8461ae970de78ead2e1c358b11280c066be178aabf
SSDEEP 1536:ioaj1hJL1S9t0MIeboal8bCKxo7h0RPaaml0Nz30rtrDxW:t0hpgz6xGhZamyF30BXxW
TLSH
T15DA35B16B6D0C032E052153804B8E6635A7AF9324ABCC1977BC5177EBEB03D1993AF56
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2172-4-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/2172-8-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/2172-7-0x00000000020B0000-0x000000000212E000-memory.dmp

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memory/3000-0-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/3000-6-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/3000-11-0x00000000021D0000-0x000000000224E000-memory.dmp

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memory/3000-12-0x0000000000400000-0x000000000041B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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