Analysis
- max time kernel
131s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
09/08/2024, 07:56
General
- Target Purc-Order No.# PO# 0042082 & PO# 0042082 REG 1605882720240808..... PDF.exe
- Size 871KB
- Sample240809-js35rayanr
- SHA256 3023f5dbdebc637da61b4eec0deea00c28437b6ce0a60a11295eb40a63c8f59c
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 23 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Purc-Order No.# PO# 0042082 & PO# 0042082 REG 1605882720240808..... PDF.exe"C:\Users\Admin\AppData\Local\Temp\Purc-Order No.# PO# 0042082 & PO# 0042082 REG 1605882720240808..... PDF.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Purc-Order No.# PO# 0042082 & PO# 0042082 REG 1605882720240808..... PDF.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PSrHzLcgx.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PSrHzLcgx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8FE7.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
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C:\Users\Admin\AppData\Local\Temp\Purc-Order No.# PO# 0042082 & PO# 0042082 REG 1605882720240808..... PDF.exe"C:\Users\Admin\AppData\Local\Temp\Purc-Order No.# PO# 0042082 & PO# 0042082 REG 1605882720240808..... PDF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4336,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=3776 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_ouit3iys.zka.ps1
tmp8FE7.tmp
memory/860-9-0x0000000007060000-0x000000000706E000-memory.dmp
memory/860-2-0x0000000007CA0000-0x0000000007D54000-memory.dmp
memory/860-6-0x0000000005B20000-0x0000000005B2A000-memory.dmp
memory/860-7-0x0000000005E10000-0x0000000005EAC000-memory.dmp
memory/860-8-0x00000000068F0000-0x000000000690A000-memory.dmp
memory/860-10-0x0000000007070000-0x0000000007086000-memory.dmp
memory/860-4-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/860-11-0x00000000074F0000-0x000000000757E000-memory.dmp
memory/860-0-0x00000000744BE000-0x00000000744BF000-memory.dmp
memory/860-1-0x0000000000D10000-0x0000000000DF0000-memory.dmp
memory/860-49-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/860-5-0x0000000005BC0000-0x0000000005C52000-memory.dmp
memory/860-3-0x0000000005FD0000-0x0000000006574000-memory.dmp
memory/1644-19-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/1644-23-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/1644-54-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/1644-18-0x00000000052F0000-0x0000000005918000-memory.dmp
memory/1644-17-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/1644-16-0x0000000004C80000-0x0000000004CB6000-memory.dmp
memory/2400-27-0x0000000005960000-0x0000000005CB4000-memory.dmp
memory/2400-67-0x00000000071B0000-0x0000000007253000-memory.dmp
memory/2400-80-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/2400-25-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/2400-24-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/2400-50-0x0000000005FC0000-0x0000000005FDE000-memory.dmp
memory/2400-51-0x0000000006510000-0x000000000655C000-memory.dmp
memory/2400-21-0x0000000004F90000-0x0000000004FF6000-memory.dmp
memory/2400-66-0x0000000006570000-0x000000000658E000-memory.dmp
memory/2400-56-0x0000000074D40000-0x0000000074D8C000-memory.dmp
memory/2400-55-0x0000000006F70000-0x0000000006FA2000-memory.dmp
memory/2400-28-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/2400-68-0x0000000007920000-0x0000000007F9A000-memory.dmp
memory/2400-69-0x00000000072D0000-0x00000000072EA000-memory.dmp
memory/2400-70-0x0000000007350000-0x000000000735A000-memory.dmp
memory/2400-71-0x0000000007550000-0x00000000075E6000-memory.dmp
memory/2400-72-0x00000000074D0000-0x00000000074E1000-memory.dmp
memory/2400-73-0x0000000007500000-0x000000000750E000-memory.dmp
memory/2400-74-0x0000000007510000-0x0000000007524000-memory.dmp
memory/2400-75-0x0000000007610000-0x000000000762A000-memory.dmp
memory/2400-76-0x00000000075F0000-0x00000000075F8000-memory.dmp
memory/2400-22-0x0000000005000000-0x0000000005066000-memory.dmp
memory/2400-20-0x0000000004EF0000-0x0000000004F12000-memory.dmp
memory/3984-47-0x0000000000400000-0x0000000000446000-memory.dmp