sakula | 84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a

General

Target

441c92fe90adf185d627410be0a9e0488e70afd4.exe
Size

140KB
MD5

2cbb6c2d3a076aa2193f20ec11b87cc5
SHA1

441c92fe90adf185d627410be0a9e0488e70afd4
SHA256

84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a
SHA512

d5545484d339cde6264fac132a7524b2bd60a78b8641fd55a7734466eb473b027fceb12332136f608c25c573a50b50321f5925d475eb6102213b9c439e69537c
SSDEEP

1536:6QFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+mdz30rtr8gjmy9xNDCkr+:x29DkEGRQixVSjLa130BYgjmy9T7+

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 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3660-0-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
behavioral2/memory/4124-4-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral2/memory/3660-6-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral2/memory/4124-7-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral2/memory/3660-8-0x0000000000400000-0x0000000000425000-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

Processes:

441c92fe90adf185d627410be0a9e0488e70afd4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	441c92fe90adf185d627410be0a9e0488e70afd4.exe

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

4124 MediaCenter.exe

pid	process
4124	MediaCenter.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

441c92fe90adf185d627410be0a9e0488e70afd4.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	441c92fe90adf185d627410be0a9e0488e70afd4.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3660-0-0x0000000000400000-0x0000000000425000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	upx
behavioral2/memory/4124-4-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/3660-6-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/4124-7-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/3660-8-0x0000000000400000-0x0000000000425000-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

Processes:

PING.EXE441c92fe90adf185d627410be0a9e0488e70afd4.exeMediaCenter.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	441c92fe90adf185d627410be0a9e0488e70afd4.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

Processes:

cmd.exePING.EXE

pid process

3860 cmd.exe
116 PING.EXE
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

116 PING.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

441c92fe90adf185d627410be0a9e0488e70afd4.exe

description pid process

Token: SeIncBasePriorityPrivilege 3660 441c92fe90adf185d627410be0a9e0488e70afd4.exe

pid	process
3860	cmd.exe
116	PING.EXE

pid	process
116	PING.EXE

description	pid	process
Token: SeIncBasePriorityPrivilege	3660	441c92fe90adf185d627410be0a9e0488e70afd4.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

441c92fe90adf185d627410be0a9e0488e70afd4.execmd.exe

description	pid	process	target process
PID 3660 wrote to memory of 4124	3660	441c92fe90adf185d627410be0a9e0488e70afd4.exe	MediaCenter.exe
PID 3660 wrote to memory of 4124	3660	441c92fe90adf185d627410be0a9e0488e70afd4.exe	MediaCenter.exe
PID 3660 wrote to memory of 4124	3660	441c92fe90adf185d627410be0a9e0488e70afd4.exe	MediaCenter.exe
PID 3660 wrote to memory of 3860	3660	441c92fe90adf185d627410be0a9e0488e70afd4.exe	cmd.exe
PID 3660 wrote to memory of 3860	3660	441c92fe90adf185d627410be0a9e0488e70afd4.exe	cmd.exe
PID 3660 wrote to memory of 3860	3660	441c92fe90adf185d627410be0a9e0488e70afd4.exe	cmd.exe
PID 3860 wrote to memory of 116	3860	cmd.exe	PING.EXE
PID 3860 wrote to memory of 116	3860	cmd.exe	PING.EXE
PID 3860 wrote to memory of 116	3860	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.exe
"C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.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:3660
- 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:4124
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3860
- - 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:116

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
140KB

MD5
6ef923f4bf7e97326006fc7e0c1fb183

SHA1
073b36c2e9db906f367f772b22d58f3f9dc7ddfe

SHA256
b5466cc4e01446b425487862051f3943acfd828c381d8fb60b22f57aa953b22a

SHA512
ecb0acc5e0903302a1cc1fcb16e34f6ec892ecb10594149e61c9f98002c2b368a01ba0370bf8b9d9b5f023d8d8088d1065f1fdad61a4d0851de211daaa916f50

Download Submit
memory/3660-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3660-6-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3660-8-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4124-4-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4124-7-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads