Analysis
- max time kernel
148s - max time network
147s - platform
windows10_x64 - resource
win10v20201028 - submitted
04/11/2020, 06:34
General
- Target 653baebd206e9d7831efa40ddd097829.exe
- Size 559KB
- Sample201104-3adms2ff3j
- SHA256 95ff18447e18bb805bc805b35c5e9a7d370ef131585fa1df3dd7329f2434f098
Malware Config
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 37 IoCs
- Executes dropped EXE 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 3 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 42 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\653baebd206e9d7831efa40ddd097829.exe"C:\Users\Admin\AppData\Local\Temp\653baebd206e9d7831efa40ddd097829.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exebestof.exe2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1324 -s 5323⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1324 -s 4963⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1324 -s 8203⤵
- Program crash
- 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/1324-5-0x00000000023AB000-0x00000000023AC000-memory.dmp
memory/1324-6-0x0000000003F90000-0x0000000003F91000-memory.dmp
memory/1324-7-0x00000000042E0000-0x00000000042E1000-memory.dmp
memory/1324-8-0x0000000072670000-0x0000000072D5E000-memory.dmp
memory/1324-39-0x0000000004190000-0x00000000041B4000-memory.dmp
memory/1324-40-0x0000000006BA0000-0x0000000006BA1000-memory.dmp
memory/1324-41-0x0000000004450000-0x0000000004472000-memory.dmp
memory/1400-0-0x00000000032AB000-0x00000000032AD000-memory.dmp
memory/1400-1-0x0000000004F60000-0x0000000004F61000-memory.dmp
memory/1824-33-0x00000000052F0000-0x00000000052F1000-memory.dmp
memory/1824-24-0x0000000004B40000-0x0000000004B41000-memory.dmp
memory/2756-18-0x0000000005210000-0x0000000005211000-memory.dmp
memory/2756-10-0x0000000004AE0000-0x0000000004AE1000-memory.dmp
memory/2756-9-0x0000000004AE0000-0x0000000004AE1000-memory.dmp
memory/3264-42-0x00000000046C0000-0x00000000046C1000-memory.dmp
memory/3264-52-0x0000000004DF0000-0x0000000004DF1000-memory.dmp