Analysis
- max time kernel
23s - max time network
150s - platform
windows10_x64 - resource
win10v20210408 - submitted
12/07/2021, 12:26
General
- Target 1E1E6071FA1BA1BB9DF60CA094640E57.exe
- Size 687KB
- Sample210712-xlrb11cdt2
- SHA256 3b28cef3fbfcc3a04ec60110dc57b789425a4bab6b7be57e20b7bbd08783e043
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 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.
- 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 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1E1E6071FA1BA1BB9DF60CA094640E57.exe"C:\Users\Admin\AppData\Local\Temp\1E1E6071FA1BA1BB9DF60CA094640E57.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\bebru.exe"C:\Users\Admin\AppData\Roaming\bebru.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2120-128-0x0000000009510000-0x0000000009511000-memory.dmp
memory/2120-119-0x0000000000250000-0x0000000000251000-memory.dmp
memory/2120-122-0x0000000002700000-0x0000000002701000-memory.dmp
memory/2120-123-0x0000000009780000-0x0000000009781000-memory.dmp
memory/2120-124-0x0000000009340000-0x0000000009341000-memory.dmp
memory/2120-125-0x000000000A290000-0x000000000A291000-memory.dmp
memory/2120-126-0x0000000009170000-0x0000000009171000-memory.dmp
memory/2120-127-0x0000000009260000-0x0000000009261000-memory.dmp
memory/2120-130-0x00000000090F0000-0x0000000009140000-memory.dmp
memory/2120-129-0x0000000009160000-0x0000000009161000-memory.dmp
memory/2120-131-0x00000000090F0000-0x0000000009140000-memory.dmp
memory/2120-132-0x00000000090F0000-0x0000000009140000-memory.dmp
memory/2120-133-0x0000000004C00000-0x0000000004C04000-memory.dmp
memory/2120-134-0x0000000004CE0000-0x0000000004CE1000-memory.dmp
memory/2120-135-0x0000000004D40000-0x0000000004D41000-memory.dmp
memory/2120-136-0x0000000004D80000-0x0000000004D81000-memory.dmp
memory/2120-137-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
memory/2120-138-0x0000000005D30000-0x0000000005D31000-memory.dmp