Analysis
- max time kernel
84s - max time network
88s - platform
windows10_x64 - resource
win10v20210408 - submitted
19/09/2021, 06:27
General
- Target 69ecc02d4a9c6bd464f4ff6e5419ef67.exe
- Size 602KB
- Sample210919-g7slfsecgl
- SHA256 50d3dfa972fb43c58c72d366db9066f59a7e0cbd62380a3447f8afe911ecdfef
Malware Config
Extracted
-
redline
-
mix19.09
-
185.215.113.15:6043
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
- suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger
suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger
- 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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\69ecc02d4a9c6bd464f4ff6e5419ef67.exe"C:\Users\Admin\AppData\Local\Temp\69ecc02d4a9c6bd464f4ff6e5419ef67.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\wushup\apinesp.exeapinesp.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/1016-125-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
memory/1016-124-0x00000000051B0000-0x00000000051B1000-memory.dmp
memory/1016-138-0x0000000007440000-0x0000000007441000-memory.dmp
memory/1016-120-0x0000000000400000-0x000000000045F000-memory.dmp
memory/1016-119-0x00000000001C0000-0x00000000001F0000-memory.dmp
memory/1016-121-0x0000000002160000-0x000000000217F000-memory.dmp
memory/1016-122-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
memory/1016-128-0x0000000002720000-0x0000000002721000-memory.dmp
memory/1016-127-0x0000000004CA3000-0x0000000004CA4000-memory.dmp
memory/1016-126-0x0000000004CA2000-0x0000000004CA3000-memory.dmp
memory/1016-137-0x0000000005EC0000-0x0000000005EC1000-memory.dmp
memory/1016-123-0x0000000002370000-0x000000000238E000-memory.dmp
memory/1016-129-0x00000000057C0000-0x00000000057C1000-memory.dmp
memory/1016-130-0x0000000004BA0000-0x0000000004BA1000-memory.dmp
memory/1016-131-0x0000000004CA4000-0x0000000004CA6000-memory.dmp
memory/1016-132-0x0000000004C20000-0x0000000004C21000-memory.dmp
memory/1016-133-0x0000000006A70000-0x0000000006A71000-memory.dmp
memory/1016-134-0x0000000006C40000-0x0000000006C41000-memory.dmp
memory/1016-135-0x0000000007260000-0x0000000007261000-memory.dmp
memory/1016-136-0x0000000007380000-0x0000000007381000-memory.dmp
memory/1832-114-0x00000000007B0000-0x000000000087C000-memory.dmp
memory/1832-115-0x0000000000400000-0x00000000004D4000-memory.dmp