Analysis
- max time kernel
116s - max time network
120s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
25/09/2021, 09:38
General
- Target 24eadca90f3ad48ce5ba6a7fbd62a5f6.exe
- Size 652KB
- Sample210925-ll38aabab7
- SHA256 73a37cdd1ab22c16783ec5f50d4f5ef8d1bb63e13ca3ef4851ec6e6582dc434a
Malware Config
Extracted
-
redline
-
mix25.09
-
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
- 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\24eadca90f3ad48ce5ba6a7fbd62a5f6.exe"C:\Users\Admin\AppData\Local\Temp\24eadca90f3ad48ce5ba6a7fbd62a5f6.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\sliders\monns.exemonns.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2284-116-0x0000000000400000-0x0000000002BEB000-memory.dmp
memory/2284-115-0x0000000003130000-0x00000000031FF000-memory.dmp
memory/2736-125-0x0000000000400000-0x0000000002BA3000-memory.dmp
memory/2736-128-0x0000000007302000-0x0000000007303000-memory.dmp
memory/2736-121-0x0000000007310000-0x0000000007311000-memory.dmp
memory/2736-122-0x0000000004A60000-0x0000000004A7E000-memory.dmp
memory/2736-123-0x0000000007810000-0x0000000007811000-memory.dmp
memory/2736-124-0x00000000001C0000-0x00000000001F0000-memory.dmp
memory/2736-126-0x0000000004D30000-0x0000000004D31000-memory.dmp
memory/2736-127-0x0000000007300000-0x0000000007301000-memory.dmp
memory/2736-120-0x00000000030B0000-0x00000000030CF000-memory.dmp
memory/2736-129-0x00000000071B0000-0x00000000071B1000-memory.dmp
memory/2736-130-0x00000000072C0000-0x00000000072C1000-memory.dmp
memory/2736-131-0x0000000007E60000-0x0000000007E61000-memory.dmp
memory/2736-132-0x0000000008F40000-0x0000000008F41000-memory.dmp
memory/2736-133-0x0000000009110000-0x0000000009111000-memory.dmp
memory/2736-134-0x0000000009750000-0x0000000009751000-memory.dmp
memory/2736-135-0x0000000009850000-0x0000000009851000-memory.dmp
memory/2736-136-0x0000000009A00000-0x0000000009A01000-memory.dmp
memory/2736-137-0x0000000009A90000-0x0000000009A91000-memory.dmp