Analysis
- max time kernel
15s - max time network
113s - platform
windows10_x64 - resource
win10v20210410 - submitted
30/07/2021, 22:01
General
- Target 2377a153c70421b4e2669e52693e680d.exe
- Size 142KB
- Sample210730-npp63hrdl2
- SHA256 a0eefda8f35e212d879a3fc5960d5dce7bdd04528b3177e979d98f2ef8e3b0a3
Malware Config
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 1 IoCs
- Executes dropped EXE 4 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 17 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2377a153c70421b4e2669e52693e680d.exe"C:\Users\Admin\AppData\Local\Temp\2377a153c70421b4e2669e52693e680d.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\4780617.exe"C:\Users\Admin\AppData\Roaming\4780617.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2252 -s 19883⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\2774013.exe"C:\Users\Admin\AppData\Roaming\2774013.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\3611433.exe"C:\Users\Admin\AppData\Roaming\3611433.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/772-116-0x00000000005D0000-0x00000000005E9000-memory.dmp
memory/772-117-0x000000001AE00000-0x000000001AE02000-memory.dmp
memory/772-114-0x00000000000C0000-0x00000000000C1000-memory.dmp
memory/2252-148-0x000000001B220000-0x000000001B222000-memory.dmp
memory/2252-129-0x0000000000EB0000-0x0000000000EB1000-memory.dmp
memory/2252-127-0x00000000028C0000-0x00000000028F3000-memory.dmp
memory/2252-125-0x0000000000EA0000-0x0000000000EA1000-memory.dmp
memory/2252-121-0x0000000000670000-0x0000000000671000-memory.dmp
memory/2496-131-0x0000000000290000-0x0000000000291000-memory.dmp
memory/2496-136-0x00000000024E0000-0x00000000024E8000-memory.dmp
memory/2496-137-0x0000000007470000-0x0000000007471000-memory.dmp
memory/2496-139-0x0000000007010000-0x0000000007011000-memory.dmp
memory/2836-144-0x000000000DAA0000-0x000000000DAA1000-memory.dmp
memory/2836-138-0x0000000004F10000-0x0000000004F11000-memory.dmp
memory/2836-142-0x000000000E070000-0x000000000E071000-memory.dmp
memory/2836-143-0x00000000028E0000-0x00000000028E1000-memory.dmp
memory/2836-141-0x000000000DA00000-0x000000000DA01000-memory.dmp
memory/2836-140-0x000000000A4B0000-0x000000000A4EA000-memory.dmp
memory/2836-161-0x000000000F2C0000-0x000000000F2C1000-memory.dmp
memory/2836-134-0x0000000000840000-0x0000000000841000-memory.dmp
memory/2836-151-0x000000000DAE0000-0x000000000DAE1000-memory.dmp
memory/2836-165-0x000000000F790000-0x000000000F791000-memory.dmp
memory/2836-156-0x000000000DD40000-0x000000000DD41000-memory.dmp
memory/2836-157-0x0000000002A60000-0x0000000002A61000-memory.dmp
memory/2836-162-0x000000000F5D0000-0x000000000F5D1000-memory.dmp
memory/2836-159-0x000000000F0F0000-0x000000000F0F1000-memory.dmp
memory/2836-160-0x000000000F7F0000-0x000000000F7F1000-memory.dmp
memory/3640-158-0x0000000004D10000-0x0000000004D11000-memory.dmp
memory/3640-155-0x0000000007460000-0x0000000007461000-memory.dmp