Analysis
- max time kernel
150s - max time network
157s - platform
windows10_x64 - resource
win10v20210408 - submitted
07/09/2021, 06:27
General
- Target C55c.exe
- Size 811KB
- Sample210907-g7sapafcfp
- SHA256 5af3e4db30f3d1b17ff78e22ee9aad84f21704fd5b59fa68a24f47a684f52365
Malware Config
Extracted
-
redline
-
0815
-
185.206.212.37:1134
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\C55c.exe"C:\Users\Admin\AppData\Local\Temp\C55c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\C55c.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/900-114-0x0000000000F90000-0x0000000000F91000-memory.dmp
memory/900-116-0x0000000005EC0000-0x0000000005EC1000-memory.dmp
memory/900-118-0x00000000032B0000-0x00000000032B1000-memory.dmp
memory/900-117-0x00000000059B0000-0x00000000059B1000-memory.dmp
memory/900-119-0x0000000005A60000-0x0000000005A61000-memory.dmp
memory/900-120-0x0000000005A40000-0x0000000005A41000-memory.dmp
memory/900-121-0x0000000005C40000-0x0000000005CA0000-memory.dmp
memory/900-122-0x0000000007F10000-0x0000000007F11000-memory.dmp
memory/900-123-0x0000000005CD0000-0x0000000005CD4000-memory.dmp
memory/900-124-0x0000000007E70000-0x0000000007EC6000-memory.dmp
memory/900-125-0x0000000003310000-0x000000000334D000-memory.dmp
memory/2428-135-0x0000000005680000-0x0000000005681000-memory.dmp
memory/2428-129-0x00000000030F0000-0x0000000003120000-memory.dmp
memory/2428-131-0x00000000054E0000-0x000000000550E000-memory.dmp
memory/2428-132-0x00000000064F0000-0x00000000064F1000-memory.dmp
memory/2428-133-0x00000000055E0000-0x00000000055E1000-memory.dmp
memory/2428-134-0x0000000005640000-0x0000000005641000-memory.dmp
memory/2428-126-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2428-136-0x00000000058D0000-0x00000000058D1000-memory.dmp
memory/2428-137-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2428-139-0x0000000003132000-0x0000000003133000-memory.dmp
memory/2428-138-0x0000000003130000-0x0000000003131000-memory.dmp
memory/2428-140-0x0000000003133000-0x0000000003134000-memory.dmp
memory/2428-141-0x0000000003134000-0x0000000003136000-memory.dmp
memory/2428-143-0x0000000006FF0000-0x0000000006FF1000-memory.dmp