sakula | 6b65f2a3c380562b4bdfcb0bb33c5c2d5e9654d3a8aba4a76e1c7f70c324a2ee

General

Target

6b65f2a3c380562b4bdfcb0bb33c5c2d5e9654d3a8aba4a76e1c7f70c324a2eeN.exe
Size

63KB
MD5

a45722767ecea3e211c2e47537a42830
SHA1

f38273960eb279611d2d0e930599e1f48d1aed0e
SHA256

6b65f2a3c380562b4bdfcb0bb33c5c2d5e9654d3a8aba4a76e1c7f70c324a2ee
SHA512

7eca5f50c9279ccd714c9e091d63ae5b1d1d933ceb806996c4d516b0bc287d18fedbb88d035e02968c2835476ba826da7a4480f46850826c3354b89328911b35
SSDEEP

1536:zoxBP0D61Oj3+5FdOa52C8pdo95j6hZ2MzNDCkre:0PPUj3+5FMIn8To94wa7e

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 family
sakula

Sakula payload 4 IoCs

resource	yara_rule
behavioral2/memory/4932-5-0x0000000000400000-0x0000000000424000-memory.dmp	family_sakula
behavioral2/memory/4116-7-0x0000000000400000-0x0000000000424000-memory.dmp	family_sakula
behavioral2/memory/4932-13-0x0000000000400000-0x0000000000424000-memory.dmp	family_sakula
behavioral2/memory/4116-17-0x0000000000400000-0x0000000000424000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	6b65f2a3c380562b4bdfcb0bb33c5c2d5e9654d3a8aba4a76e1c7f70c324a2eeN.exe

Executes dropped EXE 1 IoCs

pid	Process
4116	MediaCenter.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\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	6b65f2a3c380562b4bdfcb0bb33c5c2d5e9654d3a8aba4a76e1c7f70c324a2eeN.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4932-0-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/files/0x0008000000023c9d-3.dat	upx
behavioral2/memory/4932-5-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/4116-7-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/4932-13-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/4116-17-0x0000000000400000-0x0000000000424000-memory.dmp	upx

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	6b65f2a3c380562b4bdfcb0bb33c5c2d5e9654d3a8aba4a76e1c7f70c324a2eeN.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
4588	PING.EXE
540	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4588	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4932	6b65f2a3c380562b4bdfcb0bb33c5c2d5e9654d3a8aba4a76e1c7f70c324a2eeN.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 4116	4932	6b65f2a3c380562b4bdfcb0bb33c5c2d5e9654d3a8aba4a76e1c7f70c324a2eeN.exe	83
PID 4932 wrote to memory of 4116	4932	6b65f2a3c380562b4bdfcb0bb33c5c2d5e9654d3a8aba4a76e1c7f70c324a2eeN.exe	83
PID 4932 wrote to memory of 4116	4932	6b65f2a3c380562b4bdfcb0bb33c5c2d5e9654d3a8aba4a76e1c7f70c324a2eeN.exe	83
PID 4932 wrote to memory of 540	4932	6b65f2a3c380562b4bdfcb0bb33c5c2d5e9654d3a8aba4a76e1c7f70c324a2eeN.exe	98
PID 4932 wrote to memory of 540	4932	6b65f2a3c380562b4bdfcb0bb33c5c2d5e9654d3a8aba4a76e1c7f70c324a2eeN.exe	98
PID 4932 wrote to memory of 540	4932	6b65f2a3c380562b4bdfcb0bb33c5c2d5e9654d3a8aba4a76e1c7f70c324a2eeN.exe	98
PID 540 wrote to memory of 4588	540	cmd.exe	100
PID 540 wrote to memory of 4588	540	cmd.exe	100
PID 540 wrote to memory of 4588	540	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\6b65f2a3c380562b4bdfcb0bb33c5c2d5e9654d3a8aba4a76e1c7f70c324a2eeN.exe
"C:\Users\Admin\AppData\Local\Temp\6b65f2a3c380562b4bdfcb0bb33c5c2d5e9654d3a8aba4a76e1c7f70c324a2eeN.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:4932
- 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:4116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\6b65f2a3c380562b4bdfcb0bb33c5c2d5e9654d3a8aba4a76e1c7f70c324a2eeN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:540
- - 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:4588

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
425e098165ad8ed6aaf85df1c5dab67c

SHA1
c9c651a18b269694b029869d90ecb54292c7c494

SHA256
cb648c84b86f0902088746be718a9dba76c08801c9d8dd7420288be08f013502

SHA512
4bb2ad045241966b826fd5bb83f8bedb4b8578ad3fa6940b01023832db67b55a1bb040a857702c95fd02a70ffd7fccd60f01cd66f42e730b0b9d41bfc299753d

Download Submit
memory/4116-7-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4116-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4932-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4932-5-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4932-13-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads