sakula | b2550ae94593614a002bd1b35d436136598801ffa53056b5d0b03cd33b6061ae

General

Target

b2550ae94593614a002bd1b35d436136598801ffa53056b5d0b03cd33b6061aeN.exe
Size

92KB
MD5

64a5b07cda3b7c204108daf9a73c50e0
SHA1

5db7203859f0a37da1359da1c81cd00f0a02fe33
SHA256

b2550ae94593614a002bd1b35d436136598801ffa53056b5d0b03cd33b6061ae
SHA512

0806494b938a543c124f372a7b882110dac73911e1278d5bee9cae566a9388c9f1eb03a2faa67d2b36855b34bf6989fc3fccf50305297a7658125a8751e61d82
SSDEEP

1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrw:9bfVk29te2jqxCEtg30B8

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/0x000b000000023b66-2.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	b2550ae94593614a002bd1b35d436136598801ffa53056b5d0b03cd33b6061aeN.exe

Executes dropped EXE 1 IoCs

pid	Process
3632	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"	b2550ae94593614a002bd1b35d436136598801ffa53056b5d0b03cd33b6061aeN.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	b2550ae94593614a002bd1b35d436136598801ffa53056b5d0b03cd33b6061aeN.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
64	cmd.exe
2532	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2532	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3952	b2550ae94593614a002bd1b35d436136598801ffa53056b5d0b03cd33b6061aeN.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3952 wrote to memory of 3632	3952	b2550ae94593614a002bd1b35d436136598801ffa53056b5d0b03cd33b6061aeN.exe	84
PID 3952 wrote to memory of 3632	3952	b2550ae94593614a002bd1b35d436136598801ffa53056b5d0b03cd33b6061aeN.exe	84
PID 3952 wrote to memory of 3632	3952	b2550ae94593614a002bd1b35d436136598801ffa53056b5d0b03cd33b6061aeN.exe	84
PID 3952 wrote to memory of 64	3952	b2550ae94593614a002bd1b35d436136598801ffa53056b5d0b03cd33b6061aeN.exe	89
PID 3952 wrote to memory of 64	3952	b2550ae94593614a002bd1b35d436136598801ffa53056b5d0b03cd33b6061aeN.exe	89
PID 3952 wrote to memory of 64	3952	b2550ae94593614a002bd1b35d436136598801ffa53056b5d0b03cd33b6061aeN.exe	89
PID 64 wrote to memory of 2532	64	cmd.exe	91
PID 64 wrote to memory of 2532	64	cmd.exe	91
PID 64 wrote to memory of 2532	64	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\b2550ae94593614a002bd1b35d436136598801ffa53056b5d0b03cd33b6061aeN.exe
"C:\Users\Admin\AppData\Local\Temp\b2550ae94593614a002bd1b35d436136598801ffa53056b5d0b03cd33b6061aeN.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:3952
- 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:3632
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b2550ae94593614a002bd1b35d436136598801ffa53056b5d0b03cd33b6061aeN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:64
- - 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:2532

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
6ce4925c96c3451e93e12f5bfde1b550

SHA1
6778c7c730daf035ecdf961b884190d1e7258be8

SHA256
2bd70c1df47b4f37f324ce599234ca79813c55527492faa43884b6ab38ff74a4

SHA512
b4dd0e78fecee9eb5ef2abe0810c0abbb09280fb5d3df0cb4d0347170c796ecdc218a7c19c4eb6fae25f3587bd439c249b8b2fcb5f52af7848c05ba141f86d53

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads