Analysis
- max time kernel
29s - max time network
113s - platform
windows10_x64 - resource
win10v20210410 - submitted
02/06/2021, 11:25
General
- Target 57e49c2f93819090ae5ca6c336788c80.exe
- Size 682KB
- Sample210602-astsxed87x
- SHA256 41a0df72651937574df4ef7141fc5153285a7fda23fc7db8f7772849ace8cfa9
Malware Config
Extracted
-
redline
-
MIX 02.06
-
185.215.113.17:18597
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
- 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\57e49c2f93819090ae5ca6c336788c80.exe"C:\Users\Admin\AppData\Local\Temp\57e49c2f93819090ae5ca6c336788c80.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\nailedp\edspolishpp.exeedspolishpp.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/196-124-0x0000000004C00000-0x0000000004C01000-memory.dmp
memory/196-127-0x0000000000400000-0x0000000000467000-memory.dmp
memory/196-136-0x0000000006E60000-0x0000000006E61000-memory.dmp
memory/196-119-0x0000000002170000-0x000000000218A000-memory.dmp
memory/196-120-0x0000000004D60000-0x0000000004D61000-memory.dmp
memory/196-121-0x0000000002640000-0x0000000002658000-memory.dmp
memory/196-122-0x0000000005260000-0x0000000005261000-memory.dmp
memory/196-123-0x0000000002850000-0x0000000002851000-memory.dmp
memory/196-135-0x0000000006820000-0x0000000006821000-memory.dmp
memory/196-125-0x0000000004C40000-0x0000000004C41000-memory.dmp
memory/196-126-0x0000000002090000-0x00000000020BE000-memory.dmp
memory/196-128-0x0000000004D50000-0x0000000004D51000-memory.dmp
memory/196-129-0x0000000004D52000-0x0000000004D53000-memory.dmp
memory/196-130-0x0000000004D53000-0x0000000004D54000-memory.dmp
memory/196-131-0x0000000004D54000-0x0000000004D56000-memory.dmp
memory/196-132-0x00000000058D0000-0x00000000058D1000-memory.dmp
memory/196-133-0x0000000006370000-0x0000000006371000-memory.dmp
memory/196-134-0x0000000006650000-0x0000000006651000-memory.dmp
memory/3952-114-0x0000000002270000-0x000000000233E000-memory.dmp
memory/3952-115-0x0000000000400000-0x00000000004D5000-memory.dmp