Analysis
- max time kernel
151s - max time network
169s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
01/07/2024, 12:50
General
- Target SeAH RFP_24-0676·pdf.exe
- Size 475KB
- Sample240701-p2z3casele
- SHA256 3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Loads dropped DLL 3 IoCs
- Drops file in System32 directory 1 IoCs
- Drops file in Program Files directory 3 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SeAH RFP_24-0676·pdf.exe"C:\Users\Admin\AppData\Local\Temp\SeAH RFP_24-0676·pdf.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Nervish=Get-Content 'C:\Users\Admin\AppData\Local\Temp\overmandede\Metran\menubilledet\Airbill\Matriherital.Dem230';$Riptide=$Nervish.SubString(71344,3);.$Riptide($Nervish)"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
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 --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_u1n1hmfo.gpz.ps1
Banner.dll
BgImage.dll
nsDialogs.dll
memory/2440-31-0x00000000053B0000-0x00000000059D8000-memory.dmp
memory/2440-28-0x0000000073B8E000-0x0000000073B8F000-memory.dmp
memory/2440-29-0x0000000000B90000-0x0000000000BC6000-memory.dmp
memory/2440-30-0x0000000073B80000-0x0000000074330000-memory.dmp
memory/2440-27-0x0000000073B80000-0x0000000074330000-memory.dmp
memory/2440-32-0x0000000073B80000-0x0000000074330000-memory.dmp
memory/2440-33-0x0000000073B80000-0x0000000074330000-memory.dmp
memory/2440-34-0x00000000052A0000-0x00000000052C2000-memory.dmp
memory/2440-35-0x0000000005C10000-0x0000000005C76000-memory.dmp
memory/2440-36-0x0000000005C80000-0x0000000005CE6000-memory.dmp
memory/2440-26-0x0000000073B8E000-0x0000000073B8F000-memory.dmp
memory/2440-46-0x0000000005DF0000-0x0000000006144000-memory.dmp