Analysis
- max time kernel
141s - max time network
144s - platform
windows7_x64 - resource
win7-en-20210916 - submitted
19/09/2021, 04:31
General
- Target ac8db6941d1bd062f9f0cae02c7bfac5.exe
- Size 494KB
- Sample210919-e5fsrsacc7
- SHA256 237c6adb7012050c271ed33932bbd6a18a86dc18ace5841b5c0d52f3fe79dcc1
Score
10/10
Malware Config
Signatures
- Raccoon
Simple but powerful infostealer which was very active in 2019.
- Downloads MZ/PE file
- Deletes itself 1 IoCs
- Loads dropped DLL 7 IoCs
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Delays execution with timeout.exe 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ac8db6941d1bd062f9f0cae02c7bfac5.exe"C:\Users\Admin\AppData\Local\Temp\ac8db6941d1bd062f9f0cae02c7bfac5.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\ac8db6941d1bd062f9f0cae02c7bfac5.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1676-53-0x0000000074E81000-0x0000000074E83000-memory.dmp
memory/1676-55-0x0000000000400000-0x0000000000493000-memory.dmp
memory/1676-54-0x0000000000320000-0x00000000003B0000-memory.dmp