Analysis
- max time kernel
165s - max time network
224s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
06/12/2022, 11:44
General
- Target 12aac5d4158e47940eefe3ccea78ba7390872b2afedae626a9783b2ae2a76632.exe
- Size 304KB
- Sample221206-nv7ceaeb94
- SHA256 12aac5d4158e47940eefe3ccea78ba7390872b2afedae626a9783b2ae2a76632
Malware Config
Signatures
- Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Loads dropped DLL 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 1 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\12aac5d4158e47940eefe3ccea78ba7390872b2afedae626a9783b2ae2a76632.exe"C:\Users\Admin\AppData\Local\Temp\12aac5d4158e47940eefe3ccea78ba7390872b2afedae626a9783b2ae2a76632.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\12aac5d4158e47940eefe3ccea78ba7390872b2afedae626a9783b2ae2a76632.exe"C:\Users\Admin\AppData\Local\Temp\12aac5d4158e47940eefe3ccea78ba7390872b2afedae626a9783b2ae2a76632.exe"2⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
System.dll
memory/1332-68-0x00000000776C0000-0x0000000077869000-memory.dmp
memory/1332-72-0x00000000776C0000-0x0000000077869000-memory.dmp
memory/1332-73-0x00000000778A0000-0x0000000077A20000-memory.dmp
memory/1332-67-0x00000000001C0000-0x00000000002C0000-memory.dmp
memory/1332-71-0x00000000778A0000-0x0000000077A20000-memory.dmp
memory/1332-65-0x00000000001C0000-0x00000000002C0000-memory.dmp
memory/1332-64-0x0000000000400000-0x0000000001462000-memory.dmp
memory/1636-56-0x00000000037F0000-0x00000000038F1000-memory.dmp
memory/1636-66-0x00000000778A0000-0x0000000077A20000-memory.dmp
memory/1636-63-0x00000000778A0000-0x0000000077A20000-memory.dmp
memory/1636-54-0x00000000761F1000-0x00000000761F3000-memory.dmp
memory/1636-60-0x00000000778A0000-0x0000000077A20000-memory.dmp
memory/1636-59-0x00000000776C0000-0x0000000077869000-memory.dmp
memory/1636-57-0x00000000037F0000-0x00000000038F1000-memory.dmp
memory/1636-74-0x00000000037F0000-0x00000000038F1000-memory.dmp
memory/1636-75-0x00000000778A0000-0x0000000077A20000-memory.dmp