Analysis
- max time kernel
27s - max time network
67s - platform
windows10_x64 - resource
win10v20210408 - submitted
04/07/2021, 06:54
General
- Target 810307da04037b7e59ed98ffa629b5da.exe
- Size 618KB
- Sample210704-216rfct19n
- SHA256 e95cd5fcc8ae6b6c8c852ec533f57af4ff72e978a1a5a7fd0ae825ac407e6535
Malware Config
Extracted
-
redline
-
04.07
-
185.215.113.15:61506
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.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\810307da04037b7e59ed98ffa629b5da.exe"C:\Users\Admin\AppData\Local\Temp\810307da04037b7e59ed98ffa629b5da.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\nailedp\edspolish.exeedspolish.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/628-115-0x0000000000400000-0x0000000000645000-memory.dmp
memory/628-114-0x0000000000BB0000-0x0000000000C7F000-memory.dmp
memory/3768-124-0x00000000053B0000-0x00000000053B1000-memory.dmp
memory/3768-127-0x0000000004EA3000-0x0000000004EA4000-memory.dmp
memory/3768-120-0x0000000000400000-0x00000000005F9000-memory.dmp
memory/3768-121-0x0000000000BF0000-0x0000000000C0B000-memory.dmp
memory/3768-122-0x0000000004EB0000-0x0000000004EB1000-memory.dmp
memory/3768-123-0x00000000024B0000-0x00000000024C9000-memory.dmp
memory/3768-126-0x0000000004EA2000-0x0000000004EA3000-memory.dmp
memory/3768-125-0x0000000004EA0000-0x0000000004EA1000-memory.dmp
memory/3768-119-0x0000000000640000-0x000000000066F000-memory.dmp
memory/3768-128-0x00000000028E0000-0x00000000028E1000-memory.dmp
memory/3768-129-0x0000000002900000-0x0000000002901000-memory.dmp
memory/3768-130-0x0000000004DE0000-0x0000000004DE1000-memory.dmp
memory/3768-131-0x0000000004EA4000-0x0000000004EA6000-memory.dmp
memory/3768-132-0x0000000005A50000-0x0000000005A51000-memory.dmp
memory/3768-133-0x0000000006730000-0x0000000006731000-memory.dmp
memory/3768-134-0x0000000006900000-0x0000000006901000-memory.dmp
memory/3768-135-0x0000000006F50000-0x0000000006F51000-memory.dmp
memory/3768-136-0x0000000007040000-0x0000000007041000-memory.dmp