sakula | f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6d

General

Target

f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.exe
Size

92KB
MD5

40ad6886ead492c907b651feeb824c10
SHA1

a9cfb29c194a04a06e4d5c78a419527795374d8d
SHA256

f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6d
SHA512

4e4a4256e7d9cc4d5ded67d111752f5e079279f5225595e83b2ecc03fd5649c2ba0a41dbede37003c8648c4a1d7c5436e362b8cf8548f70fd20fcd415ac3970a
SSDEEP

1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrt:9bfVk29te2jqxCEtg30B5

Score

10^/10

sakula discovery persistence rat trojan

Malware Config

Extracted

Family

sakula

C2

www.savmpet.com

Signatures

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

Sakula payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/files/0x0007000000023c93-2.dat	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:

f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.exe

Executes dropped EXE 1 IoCs

Processes:

AdobeUpdate.exe

pid	Process
812	AdobeUpdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe"	f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.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:

cmd.exePING.EXEf91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.exeAdobeUpdate.exe

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	f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdobeUpdate.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:

PING.EXEcmd.exe

pid	Process
2136	PING.EXE
3244	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2136	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	2696	f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.execmd.exe

description	pid	Process	procid_target
PID 2696 wrote to memory of 812	2696	f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.exe	82
PID 2696 wrote to memory of 812	2696	f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.exe	82
PID 2696 wrote to memory of 812	2696	f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.exe	82
PID 2696 wrote to memory of 3244	2696	f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.exe	100
PID 2696 wrote to memory of 3244	2696	f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.exe	100
PID 2696 wrote to memory of 3244	2696	f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.exe	100
PID 3244 wrote to memory of 2136	3244	cmd.exe	102
PID 3244 wrote to memory of 2136	3244	cmd.exe	102
PID 3244 wrote to memory of 2136	3244	cmd.exe	102

C:\Users\Admin\AppData\Local\Temp\f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.exe
"C:\Users\Admin\AppData\Local\Temp\f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.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:2696
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\f91ef7b47de8d4300facd6b1162075b438d4f8d805c3c7cecf3aa46077e2cb6dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3244
- - 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:2136

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\AdobeUpdate.exe

Filesize
92KB

MD5
ef00bd01f47bea930ca246acf096c54c

SHA1
3373d24f5ca8a9b8947f0431d11fec7735bdc550

SHA256
0197da05c72270799123b44e502e3f49997e402fdd019d39225c8d9dfc1c27ee

SHA512
6ea8c4b9d6cf8401a5df78df8566a173396f4d67510a663d4adea0619d4c050fbd3a89109a2007a10b73ec7325021850ec36512328b4d1f4e9ee03d53dc58b5c

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads