sakula | 4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7

General

Target
4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe
Size 92KB
Sample241127-kakfcsvrfs
SHA256 4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7
MD5 b5114727c65feadf8649857a23605844
SHA1 24309a9eea43bec254a217a9b9e5cdc9ea67af0d
SHA512 e6f9a2a6f0bf1ffa0a47141fff9aebf2d2276ba7c9d85fa9fc2a9e24c7788a51ef1a4b2f2aa007797203e535bec2ae6cf220c640e2fdcfc07fad76f9741cff8a
SSDEEP 1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtr4:9bfVk29te2jqxCEtg30Bc
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 family
sakula

Sakula payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023baa-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe

Executes dropped EXE 1 IoCs

pid	Process
4852	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"	4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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	4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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
3912	PING.EXE
4320	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3912	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2896	4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 4852	2896	4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe	83
PID 2896 wrote to memory of 4852	2896	4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe	83
PID 2896 wrote to memory of 4852	2896	4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe	83
PID 2896 wrote to memory of 4320	2896	4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe	98
PID 2896 wrote to memory of 4320	2896	4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe	98
PID 2896 wrote to memory of 4320	2896	4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe	98
PID 4320 wrote to memory of 3912	4320	cmd.exe	100
PID 4320 wrote to memory of 3912	4320	cmd.exe	100
PID 4320 wrote to memory of 3912	4320	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe
"C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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:2896
- 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:4852
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4320
- - 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:3912

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

AdobeUpdate.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
Size 92KB
SHA256 2c7f2721303ac54672e72835b8645d75f8586f60b4f76964ddbcbe6d9b4fd79b
MD5 d19a2746416f3ca359246324ab262d4b
SHA1 9657d094a344e91eb74a1ee2401518b50510b7bf
SHA512 b8acf191a6da0e9f58d3aefefcd54e4aaeb834fa310d314095cc7c7f2db1fbc3b842e7d1f4f35f43fcd220ba929616197193a9e6afbe4e76ad7d66878c68958f
SSDEEP 1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrw:9bfVk29te2jqxCEtg30BM
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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