Malware Analysis Report

2024-11-13 18:06

Sample ID 241109-xy148stjbl
Target 61146d62abdb531b5158e610f8a8815a6b19b102976efe9997a979d14c1ff07e
SHA256 61146d62abdb531b5158e610f8a8815a6b19b102976efe9997a979d14c1ff07e
Tags
discovery bootkit evasion persistence
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

61146d62abdb531b5158e610f8a8815a6b19b102976efe9997a979d14c1ff07e

Threat Level: Likely malicious

The file 61146d62abdb531b5158e610f8a8815a6b19b102976efe9997a979d14c1ff07e was found to be: Likely malicious.

Malicious Activity Summary

discovery bootkit evasion persistence

Disables Task Manager via registry modification

Writes to the Master Boot Record (MBR)

System Location Discovery: System Language Discovery

Unsigned PE

Modifies registry key

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 19:16

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-09 19:16

Reported

2024-11-09 19:19

Platform

win7-20241010-en

Max time kernel

127s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ölüm-safety.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ölüm-safety.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: 33 N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\AUDIODG.EXE N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ölüm-safety.exe

"C:\Users\Admin\AppData\Local\Temp\ölüm-safety.exe"

C:\Windows\system32\AUDIODG.EXE

C:\Windows\system32\AUDIODG.EXE 0x494

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-11-09 19:16

Reported

2024-11-09 19:19

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ölüm-safety.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ölüm-safety.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\AUDIODG.EXE N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ölüm-safety.exe

"C:\Users\Admin\AppData\Local\Temp\ölüm-safety.exe"

C:\Windows\system32\AUDIODG.EXE

C:\Windows\system32\AUDIODG.EXE 0x468 0x4a4

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 16.173.189.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 19:16

Reported

2024-11-09 19:19

Platform

win7-20241010-en

Max time kernel

20s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\GG(ÖLÜM)GG.exe"

Signatures

Disables Task Manager via registry modification

evasion

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\GG(ÖLÜM)GG.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\reg.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\GG(ÖLÜM)GG.exe N/A

Modifies registry key

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\reg.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\GG(ÖLÜM)GG.exe

"C:\Users\Admin\AppData\Local\Temp\GG(ÖLÜM)GG.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c REG ADD hkcu\Software\Microsoft\Windows\CurrentVersion\policies\system /v DisableTaskMgr /t reg_dword /d 1 /f

C:\Windows\SysWOW64\reg.exe

REG ADD hkcu\Software\Microsoft\Windows\CurrentVersion\policies\system /v DisableTaskMgr /t reg_dword /d 1 /f

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 19:16

Reported

2024-11-09 19:19

Platform

win10v2004-20241007-en

Max time kernel

20s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\GG(ÖLÜM)GG.exe"

Signatures

Disables Task Manager via registry modification

evasion

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\GG(ÖLÜM)GG.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\GG(ÖLÜM)GG.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\reg.exe N/A

Modifies registry key

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\reg.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\AUDIODG.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 884 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\GG(ÖLÜM)GG.exe C:\Windows\SysWOW64\cmd.exe
PID 884 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\GG(ÖLÜM)GG.exe C:\Windows\SysWOW64\cmd.exe
PID 884 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\GG(ÖLÜM)GG.exe C:\Windows\SysWOW64\cmd.exe
PID 4032 wrote to memory of 1828 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 4032 wrote to memory of 1828 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 4032 wrote to memory of 1828 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe

Processes

C:\Users\Admin\AppData\Local\Temp\GG(ÖLÜM)GG.exe

"C:\Users\Admin\AppData\Local\Temp\GG(ÖLÜM)GG.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c REG ADD hkcu\Software\Microsoft\Windows\CurrentVersion\policies\system /v DisableTaskMgr /t reg_dword /d 1 /f

C:\Windows\SysWOW64\reg.exe

REG ADD hkcu\Software\Microsoft\Windows\CurrentVersion\policies\system /v DisableTaskMgr /t reg_dword /d 1 /f

C:\Windows\system32\AUDIODG.EXE

C:\Windows\system32\AUDIODG.EXE 0x404 0x470

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 208.143.182.52.in-addr.arpa udp

Files

N/A