sakula | cfdb73dcae5f4937d5df4b30b0e23fd4b49a4f5faa3b98df9d24c2e836d21ae6

General

Target
cf83f4402ac4d87700337c40e6155e70N.exe
Size 92KB
Sample240821-pnlb2aycjd
SHA256 cfdb73dcae5f4937d5df4b30b0e23fd4b49a4f5faa3b98df9d24c2e836d21ae6
MD5 cf83f4402ac4d87700337c40e6155e70
SHA1 b76164df6956e3c80c9c88e0a233e9259188e802
SHA512 d203129a9a9b25569197058aebb81331e81f9eb8217175fc98cf5ac3390dd1e90edd4ee7d0aac637d7a4e00b71a9ca545bd74ae9ca53a7b43249c90b14c27684
SSDEEP 1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrW:9bfVk29te2jqxCEtg30By
MD5 SHA1 SHA512 SSDEEP

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/0x00080000000234c1-2.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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	cf83f4402ac4d87700337c40e6155e70N.exe

Executes dropped EXE 1 IoCs

pid	Process
2568	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"	cf83f4402ac4d87700337c40e6155e70N.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cf83f4402ac4d87700337c40e6155e70N.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

pid	Process
2836	PING.EXE
3208	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2836	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3056	cf83f4402ac4d87700337c40e6155e70N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2568	3056	cf83f4402ac4d87700337c40e6155e70N.exe	85
PID 3056 wrote to memory of 2568	3056	cf83f4402ac4d87700337c40e6155e70N.exe	85
PID 3056 wrote to memory of 2568	3056	cf83f4402ac4d87700337c40e6155e70N.exe	85
PID 3056 wrote to memory of 3208	3056	cf83f4402ac4d87700337c40e6155e70N.exe	97
PID 3056 wrote to memory of 3208	3056	cf83f4402ac4d87700337c40e6155e70N.exe	97
PID 3056 wrote to memory of 3208	3056	cf83f4402ac4d87700337c40e6155e70N.exe	97
PID 3208 wrote to memory of 2836	3208	cmd.exe	99
PID 3208 wrote to memory of 2836	3208	cmd.exe	99
PID 3208 wrote to memory of 2836	3208	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\cf83f4402ac4d87700337c40e6155e70N.exe
"C:\Users\Admin\AppData\Local\Temp\cf83f4402ac4d87700337c40e6155e70N.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:3056
- 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:2568
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\cf83f4402ac4d87700337c40e6155e70N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3208
- - 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:2836

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

Replay Monitor

Loading Replay Monitor...

Downloads

AdobeUpdate.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
Size 92KB
SHA256 5ca4debee85375b4685787c58c17eb093702eb9913a6812e0dcacf77d7569da6
MD5 51d7f564e29294169cff3b099545a26a
SHA1 5edf4816f10cf44cbeef1b74983414ec968f52f5
SHA512 aee476b5908329f97bc8ba7f90855c67cab915b7a3bd69aa1f07133efe4c4fe3d5b738c079555bb87a4a5c1d1b736b6b7d7aebe86b6d0e285596f868f75cab11
SSDEEP 1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtr5:9bfVk29te2jqxCEtg30Bt
MD5 SHA1 SHA512 SSDEEP

Submit Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads