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 6 IoCs

resource	yara_rule
behavioral1/memory/2340-0-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral1/files/0x0008000000018d68-6.dat	family_sakula
behavioral1/memory/1952-7-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral1/memory/2340-12-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral1/memory/1952-14-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral1/memory/2340-15-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula

Deletes itself 1 IoCs

pid	Process
2704	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1952	MediaCenter.exe

Loads dropped DLL 1 IoCs

pid	Process
2340	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2340-0-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral1/files/0x0008000000018d68-6.dat	upx
behavioral1/memory/1952-7-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral1/memory/2340-12-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral1/memory/1952-14-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral1/memory/2340-15-0x0000000000400000-0x0000000000425000-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
2704	cmd.exe
2688	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2688	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2340	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 1952	2340	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe	30
PID 2340 wrote to memory of 1952	2340	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe	30
PID 2340 wrote to memory of 1952	2340	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe	30
PID 2340 wrote to memory of 1952	2340	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe	30
PID 2340 wrote to memory of 2704	2340	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe	33
PID 2340 wrote to memory of 2704	2340	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe	33
PID 2340 wrote to memory of 2704	2340	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe	33
PID 2340 wrote to memory of 2704	2340	ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe	33
PID 2704 wrote to memory of 2688	2704	cmd.exe	35
PID 2704 wrote to memory of 2688	2704	cmd.exe	35
PID 2704 wrote to memory of 2688	2704	cmd.exe	35
PID 2704 wrote to memory of 2688	2704	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe
"C:\Users\Admin\AppData\Local\Temp\ac5b4c43dac01ed9dd727cd3dcdfa78aa1bcfb23b90d63cb6aa0802a0596238bN.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340
- 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:1952
- 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⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2704
- - 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:2688

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

Remote System Discovery

1

T1018

System Information Discovery

1

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
5bc83c51123e8612a1c8d6ce8988feee

SHA1
4066e29e352c672ad98bf2b8caffbce2aa2384fe

SHA256
b2090cd61e2e3c150946206ff1eb7fa5d2d83333c0478969e4deecdab9d41315

SHA512
01cc4d982ced5ceff8976dac74808373975efddd334e3471c5443d6948b44310092e4a861ab0d3e60d53516496d73578acdbce466a4ce4725c51595244d83aad

Download Submit
memory/1952-7-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1952-14-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2340-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2340-5-0x00000000001C0000-0x00000000001E5000-memory.dmp

Filesize
148KB

Download
memory/2340-12-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2340-13-0x00000000001C0000-0x00000000001E5000-memory.dmp

Filesize
148KB

Download
memory/2340-15-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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