Analysis
- max time kernel
70s - max time network
143s - platform
windows10_x64 - resource
win10v20210408 - submitted
08/07/2021, 17:36
General
- Target r6.zip.exe
- Size 3.0MB
- Sample210708-5kfjplgps2
- SHA256 63e7fff26714fad07cb3f12293684a40e25c7b2bf2be5f5e5a94c9935a8fc5cd
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 27 IoCs
- Checks for any installed AV software in registry 1 TTPs 8 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Modifies system certificate store 2 TTPs 7 IoCs
- Suspicious behavior: EnumeratesProcesses 10 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\r6.zip.exe"C:\Users\Admin\AppData\Local\Temp\r6.zip.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\7zS83CB01B4\installer.exe.\installer.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\7zS83CB01B4\GenericSetup.exe"C:\Users\Admin\AppData\Local\Temp\7zS83CB01B4\GenericSetup.exe" C:\Users\Admin\AppData\Local\Temp\7zS83CB01B4\GenericSetup.exe hik=d94ed9a2-3efe-4e61-bfb7-e9c43eb25008 hmk=bbcfbd76-9a2d-32e5-4547-b2336a866cb5 hut=Admin hpp="QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxMb2NhbFxUZW1wXHI2LnppcC5leGU=" hts=16257727726593⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks for any installed AV software in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2032-156-0x0000000005840000-0x0000000005841000-memory.dmp
memory/2032-150-0x0000000005870000-0x0000000005871000-memory.dmp
memory/2032-171-0x0000000005920000-0x0000000005921000-memory.dmp
memory/2032-182-0x0000000006CF0000-0x0000000006CF1000-memory.dmp
memory/2032-186-0x00000000075D0000-0x00000000075D1000-memory.dmp
memory/2032-166-0x0000000005950000-0x0000000005951000-memory.dmp
memory/2032-188-0x0000000007B70000-0x0000000007B71000-memory.dmp
memory/2032-161-0x00000000058F0000-0x00000000058F1000-memory.dmp
memory/2032-177-0x0000000006300000-0x0000000006301000-memory.dmp
memory/2032-153-0x0000000005980000-0x0000000005981000-memory.dmp
memory/2032-193-0x0000000007B30000-0x0000000007B31000-memory.dmp
memory/2032-183-0x0000000006D70000-0x0000000006D71000-memory.dmp
memory/2032-146-0x00000000057A0000-0x00000000057A1000-memory.dmp
memory/2032-141-0x0000000002EC0000-0x0000000002EC1000-memory.dmp
memory/2032-173-0x0000000005C00000-0x0000000005C01000-memory.dmp
memory/2032-136-0x00000000057E0000-0x00000000057E1000-memory.dmp
memory/2032-131-0x0000000002E90000-0x0000000002E91000-memory.dmp
memory/2032-126-0x0000000002E20000-0x0000000002E21000-memory.dmp
memory/2032-122-0x00000000009A0000-0x00000000009A1000-memory.dmp