Resubmissions
03/10/2025, 07:22
251003-h7d9haak9v1023/03/2024, 14:28
240323-rtatlabb8s1013/02/2024, 16:52
240213-vdjy4sed478Analysis
- max time kernel
148s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
23/03/2024, 14:28
General
- Target ChromeSetup_v1.3.87.370.exe
- Size 1.2MB
- Sample240323-rtatlabb8s
- SHA256 40678643ade16f4bb14659ab1918206f588ed8bb1d64a44b519b8c99a5bb80df
Score
7/10
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 2 IoCs
- Registers COM server for autorun 1 TTPs 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 10 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ChromeSetup_v1.3.87.370.exe"C:\Users\Admin\AppData\Local\Temp\ChromeSetup_v1.3.87.370.exe"1⤵
- Checks computer location settings
- Registers COM server for autorun
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cleanmgr.exe"C:\Windows\SysWOW64\cleanmgr.exe" /verylowdisk2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe C:\Users\Admin\AppData\Local\Temp\DiskClr\DiskClr_v7.7.dll,Cleaner3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
DiskClr_v7.7.dll
memory/848-3-0x00000000035B0000-0x0000000003625000-memory.dmp
memory/848-4-0x0000000003510000-0x0000000003523000-memory.dmp
memory/848-5-0x00000000035B0000-0x0000000003625000-memory.dmp
memory/4364-7-0x00000000022F0000-0x0000000002365000-memory.dmp
memory/4364-8-0x0000000000900000-0x0000000000913000-memory.dmp
memory/4364-10-0x00000000022F0000-0x0000000002365000-memory.dmp