sakula | ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238b

General

Target

ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe
Size

140KB
MD5

6692f098c9efead9ba2d3e270ddfa900
SHA1

1248fab72ee8bc2bee816db68c50144bb917f125
SHA256

ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238b
SHA512

0fc071133ad3e98886c18a24f7b1173b1bb121ff8b8ac3a7ec3ea6b7e5017a4d16b24a0b73b4449570f06cfec0850a4806726847d7af9995b361a0cd4d5cccdd
SSDEEP

1536:6QFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+mdz30rtr8gjmy9xNDCkr4:x29DkEGRQixVSjLa130BYgjmy9T74

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 5 IoCs

resource	yara_rule
behavioral2/memory/4504-0-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral2/files/0x000b000000023b76-3.dat	family_sakula
behavioral2/memory/4504-5-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral2/memory/4488-6-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral2/memory/4504-11-0x0000000000400000-0x0000000000425000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe

Executes dropped EXE 1 IoCs

pid	Process
4488	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"	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4504-0-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/files/0x000b000000023b76-3.dat	upx
behavioral2/memory/4504-5-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/4488-6-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/4504-11-0x0000000000400000-0x0000000000425000-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

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.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
3736	cmd.exe
4844	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4844	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4504	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 4488	4504	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe	82
PID 4504 wrote to memory of 4488	4504	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe	82
PID 4504 wrote to memory of 4488	4504	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe	82
PID 4504 wrote to memory of 3736	4504	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe	91
PID 4504 wrote to memory of 3736	4504	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe	91
PID 4504 wrote to memory of 3736	4504	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe	91
PID 3736 wrote to memory of 4844	3736	cmd.exe	93
PID 3736 wrote to memory of 4844	3736	cmd.exe	93
PID 3736 wrote to memory of 4844	3736	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe
"C:\Users\Admin\AppData\Local\Temp\ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.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:4504
- 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:4488
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3736
- - 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:4844

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
2e3270829d763dd205194ff19e112d85

SHA1
2fd1adf5879f4671cacfef3b98e72ebc5c1bd757

SHA256
13a4b12fe30d82da56c94e31891667a87164e845d0fb4eb44807a2078444a51e

SHA512
0592478870efb9cd21a78573a63f5a70c1ee3443b618d3a5f73d9a39449a6f0362559094007203ffd9b63bf1d63e83e4725bf22acb733d68cf381ae4799a0c7d

Download Submit
memory/4488-6-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4504-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4504-5-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4504-11-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads