sakula | 4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9

General

Target

4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe
Size

92KB
MD5

34b27d3c74c23ed2abc40799daa09b34
SHA1

9200c2eabc8dddb2501442b5718b24174f3a051c
SHA256

4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9
SHA512

e271124804e088b5ed9fc8ac809f88c9300e9e6f3da0955d4619378c2c0800060b317b04d86d137561a67ca71dbdf0a86a944398297ff0b0d4248b5b454842f8
SSDEEP

1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrr:9bfVk29te2jqxCEtg30BH

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 payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000f00000001866e-4.dat	family_sakula

Deletes itself 1 IoCs

pid	Process
2884	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2540	AdobeUpdate.exe

Loads dropped DLL 4 IoCs

pid	Process
2072	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe
2540	AdobeUpdate.exe
2540	AdobeUpdate.exe
2540	AdobeUpdate.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\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe"	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.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	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdobeUpdate.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
2884	cmd.exe
2752	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2752	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2072	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2540	2072	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	31
PID 2072 wrote to memory of 2540	2072	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	31
PID 2072 wrote to memory of 2540	2072	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	31
PID 2072 wrote to memory of 2540	2072	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	31
PID 2072 wrote to memory of 2540	2072	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	31
PID 2072 wrote to memory of 2540	2072	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	31
PID 2072 wrote to memory of 2540	2072	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	31
PID 2072 wrote to memory of 2884	2072	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	33
PID 2072 wrote to memory of 2884	2072	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	33
PID 2072 wrote to memory of 2884	2072	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	33
PID 2072 wrote to memory of 2884	2072	4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe	33
PID 2884 wrote to memory of 2752	2884	cmd.exe	35
PID 2884 wrote to memory of 2752	2884	cmd.exe	35
PID 2884 wrote to memory of 2752	2884	cmd.exe	35
PID 2884 wrote to memory of 2752	2884	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe
"C:\Users\Admin\AppData\Local\Temp\4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\4a3f81f6a36fdc2f32cb34e43a733bb1bee711a5e718ddb99683400057591fb9.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2884
- - 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:2752

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

Remote System Discovery

1

T1018

System Information Discovery

1

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
6e5aef9876beea5a7f7cb4e3fb71e4d7

SHA1
1cc1aa4e85c8438c3fa3c8a047929ca62e15487e

SHA256
f1a744c649bab23890b628ae1a5cd90505eb3a8e4ea373bceb9056a3b288afbe

SHA512
670472aa67f1dca49f73bbd4cd577143b27176d7573d23b7659c887283266e1678de98880fa3c4a9438bb0ef957e5b5c9adcbc877d840b40b4def8bdbc2d670f

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads