sakula | f00f8092b71b35642289972a25fea1c95267d30ef97f68fec553bdf1d685c8c5

General

Target

9e36689e3014cd8b1955ea5f3e4d6820N.exe
Size

63KB
MD5

9e36689e3014cd8b1955ea5f3e4d6820
SHA1

a9f139ebb83b35adb80af75361f42d732cf3c576
SHA256

f00f8092b71b35642289972a25fea1c95267d30ef97f68fec553bdf1d685c8c5
SHA512

225710da187a5959068a82a7eadcd39fab61238f4381fca42ce58d428c36453ba253d04f1df6358a8a31fdd60dcd7eacb48178afea145246a8fcd89d4cf38153
SSDEEP

1536:zoxBP0D61Oj3+5FdOa52C8pdo95j6hZ2MzNDCkrF:0PPUj3+5FMIn8To94wa7F

Score

10^/10

sakula discovery persistence rat trojan upx

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula payload 4 IoCs

resource	yara_rule
behavioral2/memory/4596-5-0x0000000000400000-0x0000000000424000-memory.dmp	family_sakula
behavioral2/memory/4944-7-0x0000000000400000-0x0000000000424000-memory.dmp	family_sakula
behavioral2/memory/4596-13-0x0000000000400000-0x0000000000424000-memory.dmp	family_sakula
behavioral2/memory/4944-18-0x0000000000400000-0x0000000000424000-memory.dmp	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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	9e36689e3014cd8b1955ea5f3e4d6820N.exe

Executes dropped EXE 1 IoCs

pid	Process
4944	MediaCenter.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4596-0-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/files/0x000800000002346b-3.dat	upx
behavioral2/memory/4596-5-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/4944-7-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/4596-13-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/4944-18-0x0000000000400000-0x0000000000424000-memory.dmp	upx

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\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	9e36689e3014cd8b1955ea5f3e4d6820N.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	9e36689e3014cd8b1955ea5f3e4d6820N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediaCenter.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
3696	cmd.exe
4812	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4812	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4596	9e36689e3014cd8b1955ea5f3e4d6820N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 4944	4596	9e36689e3014cd8b1955ea5f3e4d6820N.exe	84
PID 4596 wrote to memory of 4944	4596	9e36689e3014cd8b1955ea5f3e4d6820N.exe	84
PID 4596 wrote to memory of 4944	4596	9e36689e3014cd8b1955ea5f3e4d6820N.exe	84
PID 4596 wrote to memory of 3696	4596	9e36689e3014cd8b1955ea5f3e4d6820N.exe	97
PID 4596 wrote to memory of 3696	4596	9e36689e3014cd8b1955ea5f3e4d6820N.exe	97
PID 4596 wrote to memory of 3696	4596	9e36689e3014cd8b1955ea5f3e4d6820N.exe	97
PID 3696 wrote to memory of 4812	3696	cmd.exe	99
PID 3696 wrote to memory of 4812	3696	cmd.exe	99
PID 3696 wrote to memory of 4812	3696	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\9e36689e3014cd8b1955ea5f3e4d6820N.exe
"C:\Users\Admin\AppData\Local\Temp\9e36689e3014cd8b1955ea5f3e4d6820N.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:4596
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4944
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\9e36689e3014cd8b1955ea5f3e4d6820N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3696
- - 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:4812

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\MediaCenter.exe

Filesize
63KB

MD5
79dceb6cd5da0f306216d9b2c90b902c

SHA1
a7526ce980d662d69e2c837d9a203447892aaf04

SHA256
0736a6c0a6fa4e3592bda5c54fd91a2658fb3cb9f4bac0824764db69e6b609dd

SHA512
4667b489b54a34f9991c784c75f423e69ec8494e140a04e1a071f06896617518188317b2229ff5dfd42f284fa96432e8d7ebfb9e3d10eee6c6409644513b871d

Download Submit
memory/4596-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4596-5-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4596-13-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4944-7-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4944-18-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads