Analysis
- max time kernel
148s - max time network
151s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
23/09/2021, 21:20
General
- Target d840e5bd0cf66a7913f064e53c3d657f.exe
- Size 517KB
- Sample210923-z6rxmsfbhm
- SHA256 0b1fa4775b6b671c54f187b9b55911ee1047ea1e5eff00d6272f50b4e4b2e169
Malware Config
Extracted
-
redline
-
mix23.09
-
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
- suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
- 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
- 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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d840e5bd0cf66a7913f064e53c3d657f.exe"C:\Users\Admin\AppData\Local\Temp\d840e5bd0cf66a7913f064e53c3d657f.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\sliders\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/2960-127-0x0000000004BD0000-0x0000000004BEE000-memory.dmp
memory/2960-124-0x0000000007270000-0x0000000007271000-memory.dmp
memory/2960-139-0x0000000009BD0000-0x0000000009BD1000-memory.dmp
memory/2960-120-0x00000000048F0000-0x000000000490F000-memory.dmp
memory/2960-121-0x0000000002D00000-0x0000000002D30000-memory.dmp
memory/2960-122-0x0000000000400000-0x0000000002BA2000-memory.dmp
memory/2960-123-0x0000000007280000-0x0000000007281000-memory.dmp
memory/2960-129-0x0000000007180000-0x0000000007181000-memory.dmp
memory/2960-128-0x0000000007780000-0x0000000007781000-memory.dmp
memory/2960-126-0x0000000007273000-0x0000000007274000-memory.dmp
memory/2960-138-0x0000000009B50000-0x0000000009B51000-memory.dmp
memory/2960-125-0x0000000007272000-0x0000000007273000-memory.dmp
memory/2960-130-0x0000000007D90000-0x0000000007D91000-memory.dmp
memory/2960-131-0x00000000071B0000-0x00000000071B1000-memory.dmp
memory/2960-132-0x0000000007274000-0x0000000007276000-memory.dmp
memory/2960-133-0x0000000007EA0000-0x0000000007EA1000-memory.dmp
memory/2960-134-0x0000000009080000-0x0000000009081000-memory.dmp
memory/2960-135-0x0000000009250000-0x0000000009251000-memory.dmp
memory/2960-136-0x0000000009870000-0x0000000009871000-memory.dmp
memory/2960-137-0x0000000009940000-0x0000000009941000-memory.dmp
memory/3320-115-0x00000000022C0000-0x000000000238F000-memory.dmp
memory/3320-116-0x0000000000400000-0x0000000000508000-memory.dmp