sakula | 8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3

General

Target
8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe
Size 43KB
Sample241203-lftrnayrb1
SHA256 8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3
MD5 9c356dd81c8ca34d6d5b975f47cb45fb
SHA1 426a752efd01b708ba6088902fac16e31bca7edb
SHA512 ece6576e6787853d8f759621772dc6b30881e783fcc522ca165ef63fac1188ecb57ad341af65289859f6b3ecbfa2f523752d6309faaba84e4f0adafe64d51275
SSDEEP 768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqv:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8R
MD5 SHA1 SHA512 SSDEEP

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 family
sakula

Sakula payload 4 IoCs

resource	yara_rule
behavioral2/memory/5004-6-0x00000000005A0000-0x00000000005BF000-memory.dmp	family_sakula
behavioral2/memory/3796-8-0x0000000000700000-0x000000000071F000-memory.dmp	family_sakula
behavioral2/memory/5004-14-0x00000000005A0000-0x00000000005BF000-memory.dmp	family_sakula
behavioral2/memory/3796-17-0x0000000000700000-0x000000000071F000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe

Executes dropped EXE 1 IoCs

pid	Process
3796	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"	8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5004-0-0x00000000005A0000-0x00000000005BF000-memory.dmp	upx
behavioral2/files/0x0008000000023bc3-5.dat	upx
behavioral2/memory/3796-4-0x0000000000700000-0x000000000071F000-memory.dmp	upx
behavioral2/memory/5004-6-0x00000000005A0000-0x00000000005BF000-memory.dmp	upx
behavioral2/memory/3796-8-0x0000000000700000-0x000000000071F000-memory.dmp	upx
behavioral2/memory/5004-14-0x00000000005A0000-0x00000000005BF000-memory.dmp	upx
behavioral2/memory/3796-17-0x0000000000700000-0x000000000071F000-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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediaCenter.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
1556	cmd.exe
4092	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4092	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	5004	8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 3796	5004	8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe	84
PID 5004 wrote to memory of 3796	5004	8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe	84
PID 5004 wrote to memory of 3796	5004	8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe	84
PID 5004 wrote to memory of 1556	5004	8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe	93
PID 5004 wrote to memory of 1556	5004	8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe	93
PID 5004 wrote to memory of 1556	5004	8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe	93
PID 1556 wrote to memory of 4092	1556	cmd.exe	95
PID 1556 wrote to memory of 4092	1556	cmd.exe	95
PID 1556 wrote to memory of 4092	1556	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe
"C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.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:5004
- 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:3796
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1556
- - 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:4092

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

MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 43KB
SHA256 cbaa22e60e89e8f44bae59453626e16728788603eeaab711c62aeeae587146c4
MD5 1df1c429c68792866f36c45dc7c561df
SHA1 20254071587f1374169cafb19ff8d8336cb0454b
SHA512 05d3ce96d80b3a2a933d75b388de523d78d170d6746544333138202aaa0bed0d6cdaa1a1e78e03f1cbc2b2eb297dcc101136f3a2e13740fb61c26eb2e79d0508
SSDEEP 768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taq/:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8x
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3796-4-0x0000000000700000-0x000000000071F000-memory.dmp

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memory/3796-8-0x0000000000700000-0x000000000071F000-memory.dmp

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memory/3796-17-0x0000000000700000-0x000000000071F000-memory.dmp

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memory/5004-0-0x00000000005A0000-0x00000000005BF000-memory.dmp

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memory/5004-6-0x00000000005A0000-0x00000000005BF000-memory.dmp

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memory/5004-14-0x00000000005A0000-0x00000000005BF000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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