Analysis
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max time kernel
150s -
max time network
134s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
03/02/2024, 11:55
Static task
static1
Behavioral task
behavioral1
Sample
8c430582aa8c6acda202dee90134917d.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8c430582aa8c6acda202dee90134917d.exe
Resource
win10v2004-20231215-en
General
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Target
8c430582aa8c6acda202dee90134917d.exe
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Size
452KB
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MD5
8c430582aa8c6acda202dee90134917d
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SHA1
813532cce0d2396c414f5ee8fa0c2228cd1cd51b
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SHA256
9ea67cf7890d0c8e66705b22e09323d837a6d6a9e2bb99ad5eca680af4f99dce
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SHA512
664798aaf1efb656723d1b15245dedbd5c10d5e069318694dbe616c07c203fb3b69d3bea86baab54e6ce564b1ff028e8cd70590d1770b8af479ca70d97fea7e2
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SSDEEP
3072:M93lkePvxGpSNE8bWwlco8LFYyxC1Q4liXLwtZdfP5HEv5ic5VXcnr8+5xik:M5Q4/p7Ccr8+v
Malware Config
Signatures
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Executes dropped EXE 5 IoCs
pid Process 2596 webhost.exe 456 webhost.exe 2652 webhost.exe 2156 scvhost.exe 2832 scvhost.exe -
Loads dropped DLL 10 IoCs
pid Process 1968 8c430582aa8c6acda202dee90134917d.exe 1968 8c430582aa8c6acda202dee90134917d.exe 1968 8c430582aa8c6acda202dee90134917d.exe 1968 8c430582aa8c6acda202dee90134917d.exe 1968 8c430582aa8c6acda202dee90134917d.exe 2596 webhost.exe 2596 webhost.exe 456 webhost.exe 456 webhost.exe 2156 scvhost.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\webservices = "C:\\Users\\Admin\\AppData\\Roaming\\temp\\webhost.exe" reg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\winlogon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\scvhost.exe" webhost.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2596 set thread context of 456 2596 webhost.exe 32 PID 2596 set thread context of 2652 2596 webhost.exe 33 PID 2156 set thread context of 2832 2156 scvhost.exe 35 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2652 webhost.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1968 8c430582aa8c6acda202dee90134917d.exe 2596 webhost.exe 2652 webhost.exe 2156 scvhost.exe -
Suspicious use of WriteProcessMemory 42 IoCs
description pid Process procid_target PID 1968 wrote to memory of 2696 1968 8c430582aa8c6acda202dee90134917d.exe 28 PID 1968 wrote to memory of 2696 1968 8c430582aa8c6acda202dee90134917d.exe 28 PID 1968 wrote to memory of 2696 1968 8c430582aa8c6acda202dee90134917d.exe 28 PID 1968 wrote to memory of 2696 1968 8c430582aa8c6acda202dee90134917d.exe 28 PID 2696 wrote to memory of 2744 2696 cmd.exe 30 PID 2696 wrote to memory of 2744 2696 cmd.exe 30 PID 2696 wrote to memory of 2744 2696 cmd.exe 30 PID 2696 wrote to memory of 2744 2696 cmd.exe 30 PID 1968 wrote to memory of 2596 1968 8c430582aa8c6acda202dee90134917d.exe 31 PID 1968 wrote to memory of 2596 1968 8c430582aa8c6acda202dee90134917d.exe 31 PID 1968 wrote to memory of 2596 1968 8c430582aa8c6acda202dee90134917d.exe 31 PID 1968 wrote to memory of 2596 1968 8c430582aa8c6acda202dee90134917d.exe 31 PID 2596 wrote to memory of 456 2596 webhost.exe 32 PID 2596 wrote to memory of 456 2596 webhost.exe 32 PID 2596 wrote to memory of 456 2596 webhost.exe 32 PID 2596 wrote to memory of 456 2596 webhost.exe 32 PID 2596 wrote to memory of 456 2596 webhost.exe 32 PID 2596 wrote to memory of 456 2596 webhost.exe 32 PID 2596 wrote to memory of 456 2596 webhost.exe 32 PID 2596 wrote to memory of 456 2596 webhost.exe 32 PID 2596 wrote to memory of 456 2596 webhost.exe 32 PID 2596 wrote to memory of 2652 2596 webhost.exe 33 PID 2596 wrote to memory of 2652 2596 webhost.exe 33 PID 2596 wrote to memory of 2652 2596 webhost.exe 33 PID 2596 wrote to memory of 2652 2596 webhost.exe 33 PID 2596 wrote to memory of 2652 2596 webhost.exe 33 PID 2596 wrote to memory of 2652 2596 webhost.exe 33 PID 2596 wrote to memory of 2652 2596 webhost.exe 33 PID 2596 wrote to memory of 2652 2596 webhost.exe 33 PID 456 wrote to memory of 2156 456 webhost.exe 34 PID 456 wrote to memory of 2156 456 webhost.exe 34 PID 456 wrote to memory of 2156 456 webhost.exe 34 PID 456 wrote to memory of 2156 456 webhost.exe 34 PID 2156 wrote to memory of 2832 2156 scvhost.exe 35 PID 2156 wrote to memory of 2832 2156 scvhost.exe 35 PID 2156 wrote to memory of 2832 2156 scvhost.exe 35 PID 2156 wrote to memory of 2832 2156 scvhost.exe 35 PID 2156 wrote to memory of 2832 2156 scvhost.exe 35 PID 2156 wrote to memory of 2832 2156 scvhost.exe 35 PID 2156 wrote to memory of 2832 2156 scvhost.exe 35 PID 2156 wrote to memory of 2832 2156 scvhost.exe 35 PID 2156 wrote to memory of 2832 2156 scvhost.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\8c430582aa8c6acda202dee90134917d.exe"C:\Users\Admin\AppData\Local\Temp\8c430582aa8c6acda202dee90134917d.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\FVaAQ.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:2696 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "webservices" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\temp\webhost.exe" /f3⤵
- Adds Run key to start application
PID:2744
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C:\Users\Admin\AppData\Roaming\temp\webhost.exe"C:\Users\Admin\AppData\Roaming\temp\webhost.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2596 -
C:\Users\Admin\AppData\Roaming\temp\webhost.exe"C:\Users\Admin\AppData\Roaming\temp\webhost.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:456 -
C:\Users\Admin\AppData\Local\Temp\scvhost.exe"C:\Users\Admin\AppData\Local\Temp\scvhost.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Users\Admin\AppData\Local\Temp\scvhost.exe"C:\Users\Admin\AppData\Local\Temp\scvhost.exe"5⤵
- Executes dropped EXE
PID:2832
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C:\Users\Admin\AppData\Roaming\temp\webhost.exe"C:\Users\Admin\AppData\Roaming\temp\webhost.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2652
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
143B
MD5fb7019d3ef98b9faf7a66f135f6f0ec3
SHA1098ea69ee5c51d00d6390c12ac87400506da2dd2
SHA25611b7772cf1bb1b86ac64817c37a84bca455f77b25b601d75014217220a895455
SHA512c661c501da8988e2806f9347b7fb58c9da05168d564dbea0a59a748fd8b7bf01c04bf19dbf6d3c737c2e8db4c1399f6981d3f5498b604ff2b05a52e0863f5630
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Filesize
452KB
MD58c430582aa8c6acda202dee90134917d
SHA1813532cce0d2396c414f5ee8fa0c2228cd1cd51b
SHA2569ea67cf7890d0c8e66705b22e09323d837a6d6a9e2bb99ad5eca680af4f99dce
SHA512664798aaf1efb656723d1b15245dedbd5c10d5e069318694dbe616c07c203fb3b69d3bea86baab54e6ce564b1ff028e8cd70590d1770b8af479ca70d97fea7e2