Analysis
- max time kernel
26s - max time network
8s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
07/01/2024, 01:00
General
- Target 0538599386e6e92b7acfb3a7cbb40aee.exe
- Size 179KB
- Sample240107-bcvjnsbdcp
- SHA256 885e71a79cae7e2ce156cf2dd4c166538a0b2bf02a5d170a9d13ded41748113d
Malware Config
Signatures
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Program crash 2 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 16 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- 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\0538599386e6e92b7acfb3a7cbb40aee.exe"C:\Users\Admin\AppData\Local\Temp\0538599386e6e92b7acfb3a7cbb40aee.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\0538599386e6e92b7acfb3a7cbb40aee.exe"C:\Users\Admin\AppData\Local\Temp\0538599386e6e92b7acfb3a7cbb40aee.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 3323⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4996 -ip 49961⤵
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C:\Users\Admin\AppData\Local\Temp\C1C9.exeC:\Users\Admin\AppData\Local\Temp\C1C9.exe1⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 984 -s 10723⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"1⤵
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C:\Users\Admin\AppData\Local\Temp\C768.exeC:\Users\Admin\AppData\Local\Temp\C768.exe1⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 984 -ip 9841⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/984-27-0x0000000000340000-0x0000000000774000-memory.dmp
memory/984-60-0x0000000002D20000-0x0000000002D22000-memory.dmp
memory/984-63-0x0000000000A80000-0x0000000000B44000-memory.dmp
memory/984-62-0x0000000000340000-0x0000000000773000-memory.dmp
memory/984-32-0x0000000000A80000-0x0000000000B44000-memory.dmp
memory/984-30-0x0000000000A80000-0x0000000000B44000-memory.dmp
memory/984-29-0x0000000000340000-0x0000000000774000-memory.dmp
memory/1984-23-0x0000000077A44000-0x0000000077A45000-memory.dmp
memory/1984-34-0x0000000002280000-0x00000000022E6000-memory.dmp
memory/1984-26-0x0000000002280000-0x00000000022E6000-memory.dmp
memory/1984-25-0x0000000002830000-0x000000000283C000-memory.dmp
memory/1984-24-0x0000000002800000-0x0000000002801000-memory.dmp
memory/1984-21-0x0000000002280000-0x00000000022E6000-memory.dmp
memory/1984-20-0x0000000002640000-0x000000000264D000-memory.dmp
memory/1984-17-0x0000000000010000-0x000000000006D000-memory.dmp
memory/1984-19-0x0000000002280000-0x00000000022E6000-memory.dmp
memory/1984-35-0x0000000002820000-0x0000000002821000-memory.dmp
memory/2476-2-0x00000000009B0000-0x00000000009B9000-memory.dmp
memory/2476-1-0x0000000000A50000-0x0000000000B50000-memory.dmp
memory/3432-6-0x0000000000830000-0x0000000000846000-memory.dmp
memory/3648-41-0x00000000005D0000-0x0000000000B66000-memory.dmp
memory/3648-48-0x00000000005D0000-0x0000000000B66000-memory.dmp
memory/4996-9-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4996-3-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4996-4-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4996-5-0x0000000000400000-0x0000000000409000-memory.dmp