Analysis
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max time kernel
152s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
28/02/2024, 17:13
General
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Target
security_scanner.exe
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Size
221KB
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MD5
97294280cfc2a51b58bd3a9a7f93f35a
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SHA1
70b68fefa4d85cbf6d43b3ea68e400168bb9d21c
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SHA256
b615aec0875ee66dcc76777fd07f398cf9cb2d553d4d93a0e9120fde86fe42b6
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SHA512
7b01aa3b8cd5127ff138e383ffb1ec4436fe7822fd8c35cc6106e73c364ccc7eea945a91aa3b1067ca7e720ec83f7e4d6e3f56cb8bf7c280e124b34f908f6f20
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SSDEEP
6144:/kMEkWi0SSl+dyxDsEDYPh9O6o21r+OXCNJZkUb6TqJK:/ZuB+dyvIxo2ptXCNJfD
Malware Config
Signatures
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Disables taskbar notifications via registry modification
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Modifies Installed Components in the registry 2 TTPs 1 IoCs
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Deletes itself 1 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 2 IoCs
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UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Drops file in Windows directory 1 IoCs
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Modifies registry class 5 IoCs
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Suspicious behavior: EnumeratesProcesses 8 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 12 IoCs
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Suspicious use of FindShellTrayWindow 29 IoCs
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Suspicious use of SendNotifyMessage 18 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\security_scanner.exe"C:\Users\Admin\AppData\Local\Temp\security_scanner.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\stf.exe"C:\Users\Admin\AppData\Local\stf.exe" -gav C:\Users\Admin\AppData\Local\Temp\security_scanner.exe2⤵
- Deletes itself
- Executes dropped EXE
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
221KB
MD597294280cfc2a51b58bd3a9a7f93f35a
SHA170b68fefa4d85cbf6d43b3ea68e400168bb9d21c
SHA256b615aec0875ee66dcc76777fd07f398cf9cb2d553d4d93a0e9120fde86fe42b6
SHA5127b01aa3b8cd5127ff138e383ffb1ec4436fe7822fd8c35cc6106e73c364ccc7eea945a91aa3b1067ca7e720ec83f7e4d6e3f56cb8bf7c280e124b34f908f6f20
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Filesize
4KB
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Filesize
4KB
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Filesize
888KB
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Filesize
888KB
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Filesize
888KB
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Filesize
888KB
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Filesize
888KB
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Filesize
888KB
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Filesize
888KB
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Filesize
888KB
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Filesize
888KB
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Filesize
888KB
-
Filesize
888KB
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Filesize
888KB