Analysis
- max time kernel
150s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
17/04/2024, 12:52
General
- Target 3137663df90055b5c2dd92ff91ed1a0edc6965dbd50f83578643c727b36b060b.exe
- Size 652KB
- Sample240417-p4dxwsfh94
- SHA256 3137663df90055b5c2dd92ff91ed1a0edc6965dbd50f83578643c727b36b060b
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Drops file in System32 directory 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 1 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 9 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3137663df90055b5c2dd92ff91ed1a0edc6965dbd50f83578643c727b36b060b.exe"C:\Users\Admin\AppData\Local\Temp\3137663df90055b5c2dd92ff91ed1a0edc6965dbd50f83578643c727b36b060b.exe"1⤵
- 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 "$Begavede=Get-Content 'C:\Users\Admin\AppData\Local\Ubarberet\Borteskamoteringers\Fridtjof.Bea';$Alpelandet=$Begavede.SubString(59880,3);.$Alpelandet($Begavede)"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "set /A 1^^0"3⤵
-
-
C:\Program Files (x86)\windows mail\wab.exe"C:\Program Files (x86)\windows mail\wab.exe"3⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_0yhntxmt.0c5.ps1
Fridtjof.Bea
Menneskekrligste.Stt
memory/1860-62-0x0000000000FE0000-0x0000000002234000-memory.dmp
memory/1860-61-0x0000000002240000-0x000000000445B000-memory.dmp
memory/1860-48-0x0000000077651000-0x0000000077771000-memory.dmp
memory/1860-47-0x00000000776D8000-0x00000000776D9000-memory.dmp
memory/1860-45-0x0000000002240000-0x000000000445B000-memory.dmp
memory/3424-33-0x00000000087B0000-0x0000000008E2A000-memory.dmp
memory/3424-37-0x00000000078D0000-0x00000000078D4000-memory.dmp
memory/3424-25-0x0000000006380000-0x000000000639E000-memory.dmp
memory/3424-26-0x00000000063B0000-0x00000000063FC000-memory.dmp
memory/3424-27-0x0000000002AC0000-0x0000000002AD0000-memory.dmp
memory/3424-28-0x0000000007530000-0x00000000075C6000-memory.dmp
memory/3424-29-0x00000000068B0000-0x00000000068CA000-memory.dmp
memory/3424-30-0x00000000068D0000-0x00000000068F2000-memory.dmp
memory/3424-31-0x0000000007B80000-0x0000000008124000-memory.dmp
memory/3424-19-0x0000000005D50000-0x0000000005DB6000-memory.dmp
memory/3424-7-0x0000000002A50000-0x0000000002A86000-memory.dmp
memory/3424-35-0x0000000002AC0000-0x0000000002AD0000-memory.dmp
memory/3424-13-0x0000000005C70000-0x0000000005CD6000-memory.dmp
memory/3424-24-0x0000000005EC0000-0x0000000006214000-memory.dmp
memory/3424-38-0x0000000073C00000-0x00000000743B0000-memory.dmp
memory/3424-39-0x0000000008E30000-0x000000000B04B000-memory.dmp
memory/3424-40-0x0000000008E30000-0x000000000B04B000-memory.dmp
memory/3424-42-0x0000000002AC0000-0x0000000002AD0000-memory.dmp
memory/3424-43-0x0000000002AC0000-0x0000000002AD0000-memory.dmp
memory/3424-44-0x0000000077651000-0x0000000077771000-memory.dmp
memory/3424-12-0x0000000005AD0000-0x0000000005AF2000-memory.dmp
memory/3424-46-0x0000000008E30000-0x000000000B04B000-memory.dmp
memory/3424-11-0x0000000005450000-0x0000000005A78000-memory.dmp
memory/3424-9-0x0000000002AC0000-0x0000000002AD0000-memory.dmp
memory/3424-10-0x0000000002AC0000-0x0000000002AD0000-memory.dmp
memory/3424-8-0x0000000073C00000-0x00000000743B0000-memory.dmp
memory/3424-67-0x0000000073C00000-0x00000000743B0000-memory.dmp
memory/3424-68-0x0000000008E30000-0x000000000B04B000-memory.dmp