sakula | 4bee775c1267dddf0f99cd929c8454866ff0621214ee545330b534eebda82b12

General

Target

3a58bf4790482fc8d501da5c859ede70N.exe
Size

92KB
MD5

3a58bf4790482fc8d501da5c859ede70
SHA1

b349d05c966b62c192b3932f4f7c2e1a56b5f53b
SHA256

4bee775c1267dddf0f99cd929c8454866ff0621214ee545330b534eebda82b12
SHA512

4d90a0211c5e0407d17382aa4ded8e46ed8d490b5753b8e388fd0b3547ccb265b66e4b6ab738d03b3a7b25de1b963489b59b9c398d6e745bab4b0b6b60556fdc
SSDEEP

1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrf:9bfVk29te2jqxCEtg30B7

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
behavioral2/files/0x00080000000234fc-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	3a58bf4790482fc8d501da5c859ede70N.exe

Executes dropped EXE 1 IoCs

pid	Process
4848	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"	3a58bf4790482fc8d501da5c859ede70N.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	3a58bf4790482fc8d501da5c859ede70N.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
1616	PING.EXE
4768	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1616	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4108	3a58bf4790482fc8d501da5c859ede70N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4108 wrote to memory of 4848	4108	3a58bf4790482fc8d501da5c859ede70N.exe	85
PID 4108 wrote to memory of 4848	4108	3a58bf4790482fc8d501da5c859ede70N.exe	85
PID 4108 wrote to memory of 4848	4108	3a58bf4790482fc8d501da5c859ede70N.exe	85
PID 4108 wrote to memory of 4768	4108	3a58bf4790482fc8d501da5c859ede70N.exe	98
PID 4108 wrote to memory of 4768	4108	3a58bf4790482fc8d501da5c859ede70N.exe	98
PID 4108 wrote to memory of 4768	4108	3a58bf4790482fc8d501da5c859ede70N.exe	98
PID 4768 wrote to memory of 1616	4768	cmd.exe	100
PID 4768 wrote to memory of 1616	4768	cmd.exe	100
PID 4768 wrote to memory of 1616	4768	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\3a58bf4790482fc8d501da5c859ede70N.exe
"C:\Users\Admin\AppData\Local\Temp\3a58bf4790482fc8d501da5c859ede70N.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:4108
- 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:4848
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\3a58bf4790482fc8d501da5c859ede70N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4768
- - 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:1616

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
9c7ea716b89d9ecb394476fa11a23821

SHA1
ee8216e97034aaa25a5a7eb6fd917cb34df35250

SHA256
978bf35d4067a591bdbfd38447cc3eea1fe578c394b809c32eb8c0175969cf57

SHA512
ffebcbcbb280d0389d8c61c9af62713651461506b84a0f3cc93c9f0dfb2cd6604ca67456d8f74e3abd44d787518162b439caecf344dc61afec6b91d71e7a57ae

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads