Analysis
- max time kernel
82s - max time network
149s - platform
windows10_x64 - resource
win10-en - submitted
18/09/2021, 16:45
General
- Target b143eabfa2fa762246e77fd5cd8e33b6.exe
- Size 601KB
- Sample210918-t9fe5ahfb3
- SHA256 bb1b86b5cffd8187f485c10aded4ffa0f9a1b53d83fc26d513a7cfb48c7dcecd
Malware Config
Extracted
-
redline
-
mix18.09
-
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
- 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\b143eabfa2fa762246e77fd5cd8e33b6.exe"C:\Users\Admin\AppData\Local\Temp\b143eabfa2fa762246e77fd5cd8e33b6.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/1840-127-0x0000000002650000-0x0000000002651000-memory.dmp
memory/1840-125-0x0000000002480000-0x000000000249E000-memory.dmp
memory/1840-139-0x00000000074A0000-0x00000000074A1000-memory.dmp
memory/1840-121-0x0000000000400000-0x00000000004CF000-memory.dmp
memory/1840-120-0x00000000004D0000-0x000000000061A000-memory.dmp
memory/1840-122-0x0000000002450000-0x0000000002451000-memory.dmp
memory/1840-123-0x00000000006E0000-0x00000000006FF000-memory.dmp
memory/1840-129-0x0000000005710000-0x0000000005711000-memory.dmp
memory/1840-128-0x0000000005600000-0x0000000005601000-memory.dmp
memory/1840-126-0x0000000004FF0000-0x0000000004FF1000-memory.dmp
memory/1840-138-0x0000000007480000-0x0000000007481000-memory.dmp
memory/1840-124-0x0000000004AF0000-0x0000000004AF1000-memory.dmp
memory/1840-130-0x0000000005780000-0x0000000005781000-memory.dmp
memory/1840-132-0x0000000002453000-0x0000000002454000-memory.dmp
memory/1840-133-0x0000000002454000-0x0000000002456000-memory.dmp
memory/1840-131-0x0000000002452000-0x0000000002453000-memory.dmp
memory/1840-134-0x00000000069A0000-0x00000000069A1000-memory.dmp
memory/1840-135-0x0000000006B70000-0x0000000006B71000-memory.dmp
memory/1840-136-0x0000000007190000-0x0000000007191000-memory.dmp
memory/1840-137-0x00000000072B0000-0x00000000072B1000-memory.dmp
memory/3388-116-0x0000000000400000-0x00000000004D4000-memory.dmp
memory/3388-115-0x00000000007F0000-0x00000000008BC000-memory.dmp