Analysis
- max time kernel
30s - max time network
135s - platform
windows10_x64 - resource
win10v20210408 - submitted
25/06/2021, 07:30
General
- Target 8e3ed904b5b3239566ca0e41cd48910d.exe
- Size 174KB
- Sample210625-blt257c4vx
- SHA256 3b8a0e651f85c67f1a987e0d413e2ca21acb382bafe17f69306b30d97bf9bce9
Malware Config
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
- Executes dropped EXE 6 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
- Adds Run key to start application 2 TTPs 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 19 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\8e3ed904b5b3239566ca0e41cd48910d.exe"C:\Users\Admin\AppData\Local\Temp\8e3ed904b5b3239566ca0e41cd48910d.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\7095956.exe"C:\Users\Admin\AppData\Roaming\7095956.exe"2⤵
- Executes dropped EXE
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1812 -s 9683⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\4644226.exe"C:\Users\Admin\AppData\Roaming\4644226.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Roaming\7069540.exe"C:\Users\Admin\AppData\Roaming\7069540.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\5926773.exe"C:\Users\Admin\AppData\Roaming\5926773.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\6345483.exe"C:\Users\Admin\AppData\Roaming\6345483.exe"2⤵
- Executes dropped EXE
- 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/396-149-0x0000000000A10000-0x0000000000A20000-memory.dmp
memory/396-145-0x0000000000A00000-0x0000000000A01000-memory.dmp
memory/396-155-0x0000000006ED0000-0x0000000006ED1000-memory.dmp
memory/396-152-0x00000000073D0000-0x00000000073D1000-memory.dmp
memory/396-157-0x0000000002460000-0x0000000002461000-memory.dmp
memory/396-138-0x0000000000150000-0x0000000000151000-memory.dmp
memory/640-114-0x0000000000900000-0x0000000000901000-memory.dmp
memory/640-118-0x0000000000F50000-0x0000000000F51000-memory.dmp
memory/640-116-0x0000000000F20000-0x0000000000F21000-memory.dmp
memory/640-117-0x0000000000F30000-0x0000000000F4F000-memory.dmp
memory/640-130-0x000000001B400000-0x000000001B402000-memory.dmp
memory/1812-122-0x0000000000EA0000-0x0000000000EA1000-memory.dmp
memory/1812-151-0x000000001C950000-0x000000001C952000-memory.dmp
memory/2680-147-0x0000000002C10000-0x0000000002C11000-memory.dmp
memory/2680-184-0x0000000008380000-0x0000000008381000-memory.dmp
memory/2680-179-0x0000000005500000-0x0000000005501000-memory.dmp
memory/2680-166-0x0000000004C90000-0x0000000004C91000-memory.dmp
memory/2680-188-0x0000000008B90000-0x0000000008B91000-memory.dmp
memory/2680-160-0x0000000004C40000-0x0000000004C7E000-memory.dmp
memory/2680-142-0x0000000000B30000-0x0000000000B31000-memory.dmp
memory/2844-183-0x0000000005590000-0x0000000005591000-memory.dmp
memory/2844-185-0x00000000055A0000-0x00000000055A1000-memory.dmp
memory/3108-148-0x0000000002400000-0x0000000002401000-memory.dmp
memory/3108-169-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
memory/3108-139-0x00000000000C0000-0x00000000000C1000-memory.dmp
memory/3108-163-0x0000000004920000-0x0000000004921000-memory.dmp
memory/3108-150-0x00000000048B0000-0x00000000048FE000-memory.dmp
memory/3108-154-0x00000000021F0000-0x00000000021F1000-memory.dmp
memory/3328-146-0x0000000004730000-0x0000000004731000-memory.dmp
memory/3328-167-0x0000000006EC0000-0x0000000006EC1000-memory.dmp
memory/3328-159-0x0000000006E20000-0x0000000006E21000-memory.dmp
memory/3328-162-0x0000000006E80000-0x0000000006E81000-memory.dmp
memory/3328-177-0x0000000004990000-0x0000000004991000-memory.dmp
memory/3328-136-0x00000000000B0000-0x00000000000B1000-memory.dmp
memory/3328-158-0x0000000007430000-0x0000000007431000-memory.dmp
memory/3328-153-0x00000000041B0000-0x00000000041F4000-memory.dmp
memory/3328-156-0x0000000004210000-0x0000000004211000-memory.dmp
memory/3328-191-0x00000000084E0000-0x00000000084E1000-memory.dmp
memory/3328-192-0x0000000008BE0000-0x0000000008BE1000-memory.dmp