Analysis
- max time kernel
21s - max time network
116s - platform
windows10_x64 - resource
win10v20210408 - submitted
04/08/2021, 23:16
General
- Target 13572ac4e7c7e18d60d9590ccef66950.exe
- Size 40KB
- Sample210804-4a656hefts
- SHA256 ddb3ea989aeba953c5e62ab710371b75bd78eaee4dff5facf08ef65cd07e9bdf
Malware Config
Extracted
-
redline
-
forinstalls
-
77.220.213.35:52349
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
- Downloads MZ/PE file
- 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 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\13572ac4e7c7e18d60d9590ccef66950.exe"C:\Users\Admin\AppData\Local\Temp\13572ac4e7c7e18d60d9590ccef66950.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ag1enxcm.zlk.exe"C:\Users\Admin\AppData\Local\Temp\ag1enxcm.zlk.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/508-124-0x0000000003120000-0x0000000003121000-memory.dmp
memory/508-127-0x00000000058E0000-0x00000000058E1000-memory.dmp
memory/508-134-0x0000000007150000-0x0000000007151000-memory.dmp
memory/508-120-0x0000000000CE0000-0x0000000000CE1000-memory.dmp
memory/508-122-0x0000000005DE0000-0x0000000005DE1000-memory.dmp
memory/508-123-0x00000000030C0000-0x00000000030C1000-memory.dmp
memory/508-133-0x0000000007050000-0x0000000007051000-memory.dmp
memory/508-125-0x0000000003160000-0x0000000003161000-memory.dmp
memory/508-126-0x00000000031E0000-0x00000000031E1000-memory.dmp
memory/508-128-0x0000000006AC0000-0x0000000006AC1000-memory.dmp
memory/508-129-0x00000000071C0000-0x00000000071C1000-memory.dmp
memory/508-130-0x0000000006A10000-0x0000000006A11000-memory.dmp
memory/508-131-0x0000000007BF0000-0x0000000007BF1000-memory.dmp
memory/508-132-0x0000000006FB0000-0x0000000006FB1000-memory.dmp
memory/900-114-0x0000000000F90000-0x0000000000F91000-memory.dmp
memory/900-116-0x00000000057C0000-0x00000000057C1000-memory.dmp