sakula | 3c93e77edc11f043f1c8a625ad4d6235a5a1f2f602866f3e4d4f0ab2d8735b6b

General

Target
3c93e77edc11f043f1c8a625ad4d6235a5a1f2f602866f3e4d4f0ab2d8735b6b.exe
Size 99KB
Sample260426-pyyecaev9k
SHA256 3c93e77edc11f043f1c8a625ad4d6235a5a1f2f602866f3e4d4f0ab2d8735b6b
MD5 64b51cb979e2bb403a6defd16a652327
SHA1 eab87a631fe535bd5e03a1ede7e0eead7d88ca71
SHA512 0e1b71cf1d48ebeb0c45dde1b46b320a62001a1a9ec5faeee2db5e2e504bfe4c010a88d2aa029600398a9ffaa4dceb864efb7046105bb67b0b7d4473ddae3fb0
SSDEEP 1536:ioaj1hJL1S9t0MIeboal8bCKxo7h0RPaaml0Nz30rtrdxA:t0hpgz6xGhZamyF30B5xA
TLSH
T151A35A16B6D0C032E062153804B8E6635A7AF9324BBCC1977BC5177EBEB03D1993AF56
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/3264-0-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/files/0x000800000002443c-5.dat	family_sakula
behavioral1/memory/1052-4-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/memory/3264-6-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/memory/1052-7-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral1/memory/3264-8-0x0000000000400000-0x000000000041B000-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-1-5-21-745935970-1373868228-562466063-1000\Control Panel\International\Geo\Nation	3c93e77edc11f043f1c8a625ad4d6235a5a1f2f602866f3e4d4f0ab2d8735b6b.exe

Executes dropped EXE 1 IoCs

pid	Process
1052	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"	3c93e77edc11f043f1c8a625ad4d6235a5a1f2f602866f3e4d4f0ab2d8735b6b.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	3c93e77edc11f043f1c8a625ad4d6235a5a1f2f602866f3e4d4f0ab2d8735b6b.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
1044	cmd.exe
2664	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2664	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3264	3c93e77edc11f043f1c8a625ad4d6235a5a1f2f602866f3e4d4f0ab2d8735b6b.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3264 wrote to memory of 1052	3264	3c93e77edc11f043f1c8a625ad4d6235a5a1f2f602866f3e4d4f0ab2d8735b6b.exe	85
PID 3264 wrote to memory of 1044	3264	3c93e77edc11f043f1c8a625ad4d6235a5a1f2f602866f3e4d4f0ab2d8735b6b.exe	94
PID 1044 wrote to memory of 2664	1044	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\3c93e77edc11f043f1c8a625ad4d6235a5a1f2f602866f3e4d4f0ab2d8735b6b.exe
"C:\Users\Admin\AppData\Local\Temp\3c93e77edc11f043f1c8a625ad4d6235a5a1f2f602866f3e4d4f0ab2d8735b6b.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:3264
- 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:1052
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\3c93e77edc11f043f1c8a625ad4d6235a5a1f2f602866f3e4d4f0ab2d8735b6b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1044
- - 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:2664

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 b33d084c55446ee2cdd962e9c858e93054e2ee43138855252e5ac9fc58ca343b
MD5 942563ec2b5862ced09dd94af1e4348b
SHA1 eab55d79f7771f285d1c513e02aa68f28ca638f0
SHA512 af18969d4fcb16237abb28891778399baa3655e80ef18a5a229cccf61dc76febc0af75bcbed1daf06d7f300cc79b18b6f026aaf8cff715f8c877d90a2e4ce695
SSDEEP 1536:ioaj1hJL1S9t0MIeboal8bCKxo7h0RPaaml0Nz30rtrdxZ:t0hpgz6xGhZamyF30B5xZ
TLSH
T14EA35A16B6D0C032E062153804B8E6635A7AF9324BBCC1977BC5177EBEB03D1993AF56
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1052-4-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/1052-7-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/3264-0-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/3264-6-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/3264-8-0x0000000000400000-0x000000000041B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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