Analysis
- max time kernel
149s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
17/04/2024, 12:23
General
- Target e9934abfdede625607cf46cbf7afe5dcab892e94117ab3bf827dafcf6be5eef1.exe
- Size 390KB
- Sample240417-pkfmdaef26
- SHA256 e9934abfdede625607cf46cbf7afe5dcab892e94117ab3bf827dafcf6be5eef1
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 3 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- NSIS installer 2 IoCs
- 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\e9934abfdede625607cf46cbf7afe5dcab892e94117ab3bf827dafcf6be5eef1.exe"C:\Users\Admin\AppData\Local\Temp\e9934abfdede625607cf46cbf7afe5dcab892e94117ab3bf827dafcf6be5eef1.exe"1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Slynger=Get-Content 'C:\Users\Admin\AppData\Roaming\Vaabenhviles\Conversative\tronende\Reify\Hyperuresis\Comme\Deemed\Imboldened.Aco';$Orb=$Slynger.SubString(48451,3);.$Orb($Slynger)"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "set /A 1^^0"3⤵
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C:\Users\Admin\AppData\Local\Temp\Jiffy.exe"C:\Users\Admin\AppData\Local\Temp\Jiffy.exe"3⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Jiffy.exe
__PSScriptPolicyTest_0erbhakc.zau.ps1
BgImage.dll
nsExec.dll
Imboldened.Aco
Seniorstipendiats.Std
memory/1940-33-0x0000000002A70000-0x0000000002A80000-memory.dmp
memory/1940-44-0x0000000007950000-0x0000000007954000-memory.dmp
memory/1940-20-0x0000000005C20000-0x0000000005C86000-memory.dmp
memory/1940-16-0x0000000002A70000-0x0000000002A80000-memory.dmp
memory/1940-30-0x0000000006030000-0x0000000006384000-memory.dmp
memory/1940-31-0x0000000006430000-0x000000000644E000-memory.dmp
memory/1940-32-0x0000000006480000-0x00000000064CC000-memory.dmp
memory/1940-17-0x0000000005580000-0x0000000005BA8000-memory.dmp
memory/1940-34-0x0000000007410000-0x00000000074A6000-memory.dmp
memory/1940-35-0x0000000006950000-0x000000000696A000-memory.dmp
memory/1940-36-0x00000000069A0000-0x00000000069C2000-memory.dmp
memory/1940-37-0x0000000007C90000-0x0000000008234000-memory.dmp
memory/1940-14-0x0000000002E20000-0x0000000002E56000-memory.dmp
memory/1940-39-0x00000000088C0000-0x0000000008F3A000-memory.dmp
memory/1940-41-0x0000000002A70000-0x0000000002A80000-memory.dmp
memory/1940-18-0x0000000005420000-0x0000000005442000-memory.dmp
memory/1940-19-0x00000000054C0000-0x0000000005526000-memory.dmp
memory/1940-46-0x0000000002A70000-0x0000000002A80000-memory.dmp
memory/1940-43-0x0000000073570000-0x0000000073D20000-memory.dmp
memory/1940-47-0x0000000008F40000-0x0000000009F00000-memory.dmp
memory/1940-48-0x0000000008F40000-0x0000000009F00000-memory.dmp
memory/1940-49-0x0000000002A70000-0x0000000002A80000-memory.dmp
memory/1940-50-0x0000000002A70000-0x0000000002A80000-memory.dmp
memory/1940-51-0x0000000076FC1000-0x00000000770E1000-memory.dmp
memory/1940-15-0x0000000073570000-0x0000000073D20000-memory.dmp
memory/1940-66-0x0000000008F40000-0x0000000009F00000-memory.dmp
memory/1940-55-0x0000000008F40000-0x0000000009F00000-memory.dmp
memory/1940-65-0x0000000073570000-0x0000000073D20000-memory.dmp
memory/2884-57-0x0000000076FC1000-0x00000000770E1000-memory.dmp
memory/2884-58-0x0000000000450000-0x00000000016A4000-memory.dmp
memory/2884-59-0x00000000016B0000-0x0000000002670000-memory.dmp
memory/2884-56-0x0000000077048000-0x0000000077049000-memory.dmp
memory/2884-54-0x00000000016B0000-0x0000000002670000-memory.dmp