Analysis
- max time kernel
147s - max time network
150s - platform
windows10_x64 - resource
win10-en-20211014 - submitted
07/12/2021, 12:52
General
- Target f1ea8c489b66edd67b4eb1d103d64140.exe
- Size 421KB
- Sample211207-p32mkahcdk
- SHA256 f8daaa065a27508babcd8e898c3f1eda824531105cdcf07ceceee2fda53d5a5f
Malware Config
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 1 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- 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 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f1ea8c489b66edd67b4eb1d103d64140.exe"C:\Users\Admin\AppData\Local\Temp\f1ea8c489b66edd67b4eb1d103d64140.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\9280844437.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\9280844437.exe"C:\Users\Admin\AppData\Local\Temp\9280844437.exe"3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2460-117-0x0000000000400000-0x00000000004EA000-memory.dmp
memory/2460-116-0x00000000004F0000-0x000000000053A000-memory.dmp
memory/2460-115-0x0000000000761000-0x000000000078B000-memory.dmp
memory/2528-130-0x00000000061E0000-0x00000000061E1000-memory.dmp
memory/2528-133-0x0000000005C30000-0x0000000005C31000-memory.dmp
memory/2528-123-0x0000000002F90000-0x0000000002F91000-memory.dmp
memory/2528-124-0x0000000075AF0000-0x0000000075CB2000-memory.dmp
memory/2528-125-0x0000000003010000-0x0000000003055000-memory.dmp
memory/2528-126-0x0000000075940000-0x0000000075A31000-memory.dmp
memory/2528-127-0x0000000000230000-0x0000000000231000-memory.dmp
memory/2528-129-0x0000000070C80000-0x0000000070D00000-memory.dmp
memory/2528-131-0x0000000005BD0000-0x0000000005BD1000-memory.dmp
memory/2528-132-0x0000000005D00000-0x0000000005D01000-memory.dmp
memory/2528-122-0x0000000000230000-0x0000000000295000-memory.dmp
memory/2528-134-0x0000000003A50000-0x0000000003A51000-memory.dmp
memory/2528-135-0x0000000073FD0000-0x0000000074554000-memory.dmp
memory/2528-136-0x00000000760A0000-0x00000000773E8000-memory.dmp
memory/2528-137-0x0000000005C70000-0x0000000005C71000-memory.dmp
memory/2528-138-0x000000006EEF0000-0x000000006EF3B000-memory.dmp
memory/2528-139-0x0000000005F50000-0x0000000005F51000-memory.dmp
memory/2528-140-0x0000000006E30000-0x0000000006E31000-memory.dmp
memory/2528-141-0x0000000006B00000-0x0000000006B01000-memory.dmp
memory/2528-142-0x0000000006C20000-0x0000000006C21000-memory.dmp
memory/2528-143-0x0000000006DC0000-0x0000000006DC1000-memory.dmp
memory/2528-144-0x0000000007620000-0x0000000007621000-memory.dmp
memory/2528-145-0x0000000007D20000-0x0000000007D21000-memory.dmp