sakula | d5071c7b2945ae576a8e758d3dda1f39c6b7d045aaa8a44835cd4d84652c08d4

General

Target
d5071c7b2945ae576a8e758d3dda1f39c6b7d045aaa8a44835cd4d84652c08d4.exe
Size 99KB
Sample260831-avtjnavvhv
SHA256 d5071c7b2945ae576a8e758d3dda1f39c6b7d045aaa8a44835cd4d84652c08d4
MD5 a5729d849d0ba1f0634ec758eebc3126
SHA1 57887b4f19806af9d11f6b46b743e249e8d98db5
SHA512 2dbeeb39ada06592508ae1e8f898ab4bf9eb0a7bcb697350e8c9caaa2465f472760c1248419d94c6ebf3c228c4fb3f5dd7d9c9b00c8816fb23804d38bbb82fe5
SSDEEP 1536:ioaj1hJL1S9t0MIeboal8bCKxo7h0RPaaml0Nz30rtrJxs:t0hpgz6xGhZamyF30BVxs
TLSH
T19BA35A16B6D0C032E062153804B8E6635A7AF9324ABCC1977BC5177EBEB03D19D3AF56
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/2588-0-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/files/0x0009000000023621-3.dat	family_sakula
behavioral1/memory/4272-5-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/memory/2588-6-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/memory/4272-7-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/memory/2588-8-0x0000000000400000-0x000000000041B000-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-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation	d5071c7b2945ae576a8e758d3dda1f39c6b7d045aaa8a44835cd4d84652c08d4.exe

Executes dropped EXE 1 IoCs

pid	Process
4272	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"	d5071c7b2945ae576a8e758d3dda1f39c6b7d045aaa8a44835cd4d84652c08d4.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
4080	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	d5071c7b2945ae576a8e758d3dda1f39c6b7d045aaa8a44835cd4d84652c08d4.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
4080	cmd.exe
876	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
876	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2588	d5071c7b2945ae576a8e758d3dda1f39c6b7d045aaa8a44835cd4d84652c08d4.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 4272	2588	d5071c7b2945ae576a8e758d3dda1f39c6b7d045aaa8a44835cd4d84652c08d4.exe	86
PID 2588 wrote to memory of 4080	2588	d5071c7b2945ae576a8e758d3dda1f39c6b7d045aaa8a44835cd4d84652c08d4.exe	94
PID 4080 wrote to memory of 876	4080	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\d5071c7b2945ae576a8e758d3dda1f39c6b7d045aaa8a44835cd4d84652c08d4.exe
"C:\Users\Admin\AppData\Local\Temp\d5071c7b2945ae576a8e758d3dda1f39c6b7d045aaa8a44835cd4d84652c08d4.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:2588
- 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:4272
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\d5071c7b2945ae576a8e758d3dda1f39c6b7d045aaa8a44835cd4d84652c08d4.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:4080
- - 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:876

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 cfccb41c0150edb470ac81edfe9bcbb858aba2879346e25da8b56b4dcee03aed
MD5 fcf30cb4e7d862dd67754b01c917e9f5
SHA1 ce426c06e2b844d4c3229e2c18c33fd630b5f8c3
SHA512 acf62a97d31efb6101b01b361cde8fc960ee385a18935ceeedb3fa77bb7e0b2822b02984a24404498aee636358d3c70a08d728b26f700015cc0ebe7ced3dc5c8
SSDEEP 1536:ioaj1hJL1S9t0MIeboal8bCKxo7h0RPaaml0Nz30rtrJxF:t0hpgz6xGhZamyF30BVxF
TLSH
T1CBA35A16B6D0C032E062153804B8E6635A7AF9324BBCC1977BC5177EBEB03D1993AF56
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2588-0-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/2588-6-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/2588-8-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4272-5-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4272-7-0x0000000000400000-0x000000000041B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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