Analysis
- max time kernel
128s - max time network
130s - platform
windows10_x64 - resource
win10v20210408 - submitted
07/10/2021, 23:17
General
- Target 056da4eebed724300a6185a307b7548f.exe
- Size 588KB
- Sample211007-29pb2achf6
- SHA256 4aa2cde2e72d591091967790e676beca8c91d01be47dec4bacca7c38bfbc91c2
Malware Config
Extracted
-
redline
-
mix08.10
-
185.215.113.15:57055
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\056da4eebed724300a6185a307b7548f.exe"C:\Users\Admin\AppData\Local\Temp\056da4eebed724300a6185a307b7548f.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\gfree\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/344-126-0x0000000004BB0000-0x0000000004BCD000-memory.dmp
memory/344-137-0x0000000009490000-0x0000000009491000-memory.dmp
memory/344-140-0x0000000009960000-0x0000000009961000-memory.dmp
memory/344-139-0x00000000098C0000-0x00000000098C1000-memory.dmp
memory/344-120-0x0000000002FE9000-0x000000000300C000-memory.dmp
memory/344-122-0x0000000000400000-0x0000000002DB6000-memory.dmp
memory/344-121-0x0000000002DC0000-0x0000000002F0A000-memory.dmp
memory/344-123-0x0000000004B80000-0x0000000004B81000-memory.dmp
memory/344-124-0x0000000004AF0000-0x0000000004B0F000-memory.dmp
memory/344-125-0x0000000007500000-0x0000000007501000-memory.dmp
memory/344-138-0x00000000097F0000-0x00000000097F1000-memory.dmp
memory/344-127-0x0000000007A00000-0x0000000007A01000-memory.dmp
memory/344-130-0x0000000004F30000-0x0000000004F31000-memory.dmp
memory/344-128-0x0000000004B82000-0x0000000004B83000-memory.dmp
memory/344-131-0x0000000008010000-0x0000000008011000-memory.dmp
memory/344-132-0x0000000004B84000-0x0000000004B86000-memory.dmp
memory/344-133-0x0000000004F60000-0x0000000004F61000-memory.dmp
memory/344-134-0x00000000050F0000-0x00000000050F1000-memory.dmp
memory/344-135-0x0000000008C90000-0x0000000008C91000-memory.dmp
memory/344-136-0x0000000008E60000-0x0000000008E61000-memory.dmp
memory/344-129-0x0000000004B83000-0x0000000004B84000-memory.dmp
memory/664-114-0x0000000002E44000-0x0000000002EB0000-memory.dmp
memory/664-115-0x0000000002C70000-0x0000000002DBA000-memory.dmp
memory/664-116-0x0000000000400000-0x0000000002BD3000-memory.dmp