Analysis
- max time kernel
142s - max time network
128s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
08/05/2024, 18:52
General
- Target lhftpbak/sjbf.exe
- Size 1.1MB
- Sample240508-xh7bbacd72
- SHA256 c49123abb1671f28168a2f9f2fce3926980a767b7aa407cd6b8718339a7e8826
Malware Config
Signatures
- ACProtect 1.3x - 1.4x DLL software 6 IoCs
Detects file using ACProtect software.
- Loads dropped DLL 6 IoCs
- UPX packed file 22 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies Internet Explorer settings 1 TTPs 3 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of SetWindowsHookEx 29 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\lhftpbak\sjbf.exe"C:\Users\Admin\AppData\Local\Temp\lhftpbak\sjbf.exe"1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
ExtMenu.fne
HtmlView.fne
iext.fnr
krnln.fnr
shellEx.fne
xplib.fne
memory/2440-33-0x0000000010000000-0x000000001012A000-memory.dmp
memory/2440-24-0x0000000000B70000-0x0000000000B71000-memory.dmp
memory/2440-18-0x0000000000B00000-0x0000000000B01000-memory.dmp
memory/2440-17-0x0000000000B10000-0x0000000000B11000-memory.dmp
memory/2440-16-0x0000000001FF0000-0x0000000001FF1000-memory.dmp
memory/2440-15-0x0000000001FD0000-0x0000000001FD1000-memory.dmp
memory/2440-14-0x0000000001FE0000-0x0000000001FE1000-memory.dmp
memory/2440-13-0x0000000001FB0000-0x0000000001FB1000-memory.dmp
memory/2440-12-0x0000000001FC0000-0x0000000001FC1000-memory.dmp
memory/2440-11-0x0000000000AA0000-0x0000000000AA1000-memory.dmp
memory/2440-10-0x0000000000AB0000-0x0000000000AB2000-memory.dmp
memory/2440-8-0x0000000000890000-0x0000000000891000-memory.dmp
memory/2440-7-0x00000000003B0000-0x00000000003B1000-memory.dmp
memory/2440-6-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/2440-5-0x0000000000870000-0x0000000000871000-memory.dmp
memory/2440-22-0x0000000000B50000-0x0000000000B51000-memory.dmp
memory/2440-0-0x0000000000400000-0x0000000000464000-memory.dmp
memory/2440-23-0x0000000000B40000-0x0000000000B41000-memory.dmp
memory/2440-36-0x00000000025A0000-0x00000000025E0000-memory.dmp
memory/2440-19-0x0000000000B30000-0x0000000000B31000-memory.dmp
memory/2440-39-0x00000000027F0000-0x0000000002838000-memory.dmp
memory/2440-25-0x0000000000B60000-0x0000000000B61000-memory.dmp
memory/2440-42-0x0000000002840000-0x0000000002889000-memory.dmp
memory/2440-21-0x0000000000B20000-0x0000000000B21000-memory.dmp
memory/2440-45-0x00000000028D0000-0x00000000028DA000-memory.dmp
memory/2440-1-0x0000000000600000-0x0000000000643000-memory.dmp
memory/2440-48-0x00000000028E0000-0x00000000028F6000-memory.dmp
memory/2440-53-0x0000000000400000-0x0000000000464000-memory.dmp
memory/2440-54-0x0000000000600000-0x0000000000643000-memory.dmp
memory/2440-61-0x00000000028E0000-0x00000000028F6000-memory.dmp
memory/2440-59-0x0000000002840000-0x0000000002889000-memory.dmp
memory/2440-58-0x00000000027F0000-0x0000000002838000-memory.dmp
memory/2440-56-0x0000000010000000-0x000000001012A000-memory.dmp
memory/2440-57-0x00000000025A0000-0x00000000025E0000-memory.dmp
memory/2440-63-0x0000000010000000-0x000000001012A000-memory.dmp
memory/2440-70-0x0000000010000000-0x000000001012A000-memory.dmp
memory/2440-84-0x0000000010000000-0x000000001012A000-memory.dmp
memory/2440-94-0x0000000002840000-0x0000000002889000-memory.dmp
memory/2440-91-0x0000000010000000-0x000000001012A000-memory.dmp