sakula | 274d9fc9a589e5bc6fe6ebd2ab94f35db74b84b8d7ba746332e11e98497f87c3

General

Target

274d9fc9a589e5bc6fe6ebd2ab94f35db74b84b8d7ba746332e11e98497f87c3.exe
Size

43KB
MD5

abe57f897e0be11d231c9088c7bbad09
SHA1

11144451f8a5984e213640ae3b0adf2199995f76
SHA256

274d9fc9a589e5bc6fe6ebd2ab94f35db74b84b8d7ba746332e11e98497f87c3
SHA512

b37f3dcbe2d4743be71907ee938ed493dcd8cdacfe3f180ec524d9042978c270aa52bfd432dc5883c539cb6171088330031a30478093e692f486ed5b7b45eff1
SSDEEP

768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taq/:+U9abrtX4oocIK3yQkaY9z/S0hhy6k81

Score

10^/10

sakula discovery persistence rat trojan upx

Malware Config

Signatures

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

Sakula payload 4 IoCs

resource	yara_rule
behavioral2/memory/1768-6-0x0000000000250000-0x000000000026F000-memory.dmp	family_sakula
behavioral2/memory/2676-8-0x00000000004A0000-0x00000000004BF000-memory.dmp	family_sakula
behavioral2/memory/1768-14-0x0000000000250000-0x000000000026F000-memory.dmp	family_sakula
behavioral2/memory/2676-20-0x00000000004A0000-0x00000000004BF000-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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	274d9fc9a589e5bc6fe6ebd2ab94f35db74b84b8d7ba746332e11e98497f87c3.exe

Executes dropped EXE 1 IoCs

pid	Process
2676	MediaCenter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1768-0-0x0000000000250000-0x000000000026F000-memory.dmp	upx
behavioral2/files/0x00080000000234be-3.dat	upx
behavioral2/memory/2676-4-0x00000000004A0000-0x00000000004BF000-memory.dmp	upx
behavioral2/memory/1768-6-0x0000000000250000-0x000000000026F000-memory.dmp	upx
behavioral2/memory/2676-8-0x00000000004A0000-0x00000000004BF000-memory.dmp	upx
behavioral2/memory/1768-14-0x0000000000250000-0x000000000026F000-memory.dmp	upx
behavioral2/memory/2676-20-0x00000000004A0000-0x00000000004BF000-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"	274d9fc9a589e5bc6fe6ebd2ab94f35db74b84b8d7ba746332e11e98497f87c3.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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	274d9fc9a589e5bc6fe6ebd2ab94f35db74b84b8d7ba746332e11e98497f87c3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediaCenter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
3092	cmd.exe
740	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
740	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1768	274d9fc9a589e5bc6fe6ebd2ab94f35db74b84b8d7ba746332e11e98497f87c3.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2676	1768	274d9fc9a589e5bc6fe6ebd2ab94f35db74b84b8d7ba746332e11e98497f87c3.exe	83
PID 1768 wrote to memory of 2676	1768	274d9fc9a589e5bc6fe6ebd2ab94f35db74b84b8d7ba746332e11e98497f87c3.exe	83
PID 1768 wrote to memory of 2676	1768	274d9fc9a589e5bc6fe6ebd2ab94f35db74b84b8d7ba746332e11e98497f87c3.exe	83
PID 1768 wrote to memory of 3092	1768	274d9fc9a589e5bc6fe6ebd2ab94f35db74b84b8d7ba746332e11e98497f87c3.exe	96
PID 1768 wrote to memory of 3092	1768	274d9fc9a589e5bc6fe6ebd2ab94f35db74b84b8d7ba746332e11e98497f87c3.exe	96
PID 1768 wrote to memory of 3092	1768	274d9fc9a589e5bc6fe6ebd2ab94f35db74b84b8d7ba746332e11e98497f87c3.exe	96
PID 3092 wrote to memory of 740	3092	cmd.exe	98
PID 3092 wrote to memory of 740	3092	cmd.exe	98
PID 3092 wrote to memory of 740	3092	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\274d9fc9a589e5bc6fe6ebd2ab94f35db74b84b8d7ba746332e11e98497f87c3.exe
"C:\Users\Admin\AppData\Local\Temp\274d9fc9a589e5bc6fe6ebd2ab94f35db74b84b8d7ba746332e11e98497f87c3.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:1768
- 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:2676
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\274d9fc9a589e5bc6fe6ebd2ab94f35db74b84b8d7ba746332e11e98497f87c3.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3092
- - 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:740

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
43KB

MD5
12ddca5aca41d8e317b39dca1ac840b6

SHA1
989d106e9f61cab0624594d580deab7d791d0996

SHA256
171d19855ba2a9cca5509dc2d0938cc6bd3735a39cc4e4bbab3d0a1b2a3a8c43

SHA512
d6cad50115c207cd363adf9e1fbde80e2042cc3dbc33cc4f8b9eb95036fc64d38806936db08d74cf7bcaf04c2cba2f8dffeeb21a72edc626e4a288e4237b9515

Download Submit
memory/1768-0-0x0000000000250000-0x000000000026F000-memory.dmp

Filesize
124KB

Download
memory/1768-6-0x0000000000250000-0x000000000026F000-memory.dmp

Filesize
124KB

Download
memory/1768-14-0x0000000000250000-0x000000000026F000-memory.dmp

Filesize
124KB

Download
memory/2676-4-0x00000000004A0000-0x00000000004BF000-memory.dmp

Filesize
124KB

Download
memory/2676-8-0x00000000004A0000-0x00000000004BF000-memory.dmp

Filesize
124KB

Download
memory/2676-20-0x00000000004A0000-0x00000000004BF000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads