Analysis
- max time kernel
119s - max time network
119s - platform
windows7_x64 - resource
win7-en-20210920 - 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
- Loads dropped DLL 2 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 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\056da4eebed724300a6185a307b7548f.exe"C:\Users\Admin\AppData\Local\Temp\056da4eebed724300a6185a307b7548f.exe"1⤵
- Loads dropped DLL
- 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
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Downloads
memory/112-61-0x0000000002E6B000-0x0000000002E8E000-memory.dmp
memory/112-66-0x0000000007172000-0x0000000007173000-memory.dmp
memory/112-69-0x0000000007174000-0x0000000007176000-memory.dmp
memory/112-68-0x0000000002E00000-0x0000000002E1D000-memory.dmp
memory/112-67-0x0000000007173000-0x0000000007174000-memory.dmp
memory/112-62-0x00000000002C0000-0x00000000002F0000-memory.dmp
memory/112-63-0x0000000000400000-0x0000000002DB6000-memory.dmp
memory/112-65-0x0000000007171000-0x0000000007172000-memory.dmp
memory/112-64-0x0000000000390000-0x00000000003AF000-memory.dmp
memory/1696-56-0x0000000000400000-0x0000000002BD3000-memory.dmp
memory/1696-53-0x0000000002D78000-0x0000000002DE4000-memory.dmp
memory/1696-54-0x00000000767F1000-0x00000000767F3000-memory.dmp
memory/1696-55-0x0000000002BE0000-0x0000000002CAF000-memory.dmp