Analysis
- max time kernel
45s - max time network
50s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
- submitted
02/09/2022, 08:47
General
- Target file.exe
- Size 6.6MB
- Sample220902-kpvvmsdea9
- SHA256 4d70a2e9f63fea018db99bef6cecbf094255c52f6e2bd9d1d7458e637efb9172
Malware Config
Extracted
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raccoon
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ad82482251879b6e89002f532531462a
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http://89.185.85.53/
Signatures
- Raccoon
Raccoon is an infostealer written in C++ and first seen in 2019.
- YTStealer
YTStealer is a malware designed to steal YouTube authentication cookies.
- YTStealer payload 2 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Loads dropped DLL 6 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.
- Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\x2LNP961.exe"C:\Users\Admin\AppData\Roaming\x2LNP961.exe"2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 5 /tn "Shell Infrastructure Host Task {H5J7S8H9D6-2S6E8R2K4-8G6M3C2D3E}" /tr "C:\Users\Admin\AppData\Roaming\Windows\System32\sihost.exe"3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\schtasks.exe/C /Query /XML /TN "Shell Infrastructure Host Task {H5J7S8H9D6-2S6E8R2K4-8G6M3C2D3E}"3⤵
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C:\Users\Admin\AppData\Roaming\76JtD2JO.exe"C:\Users\Admin\AppData\Roaming\76JtD2JO.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
76JtD2JO.exe
x2LNP961.exe
x2LNP961.exe
mozglue.dll
nss3.dll
sqlite3.dll
76JtD2JO.exe
76JtD2JO.exe
x2LNP961.exe
memory/1168-61-0x0000000000400000-0x0000000000E21000-memory.dmp
memory/1168-57-0x00000000760E1000-0x00000000760E3000-memory.dmp
memory/1168-76-0x0000000000400000-0x0000000000E21000-memory.dmp
memory/1168-77-0x0000000003E40000-0x0000000004C54000-memory.dmp
memory/1168-75-0x0000000003E40000-0x0000000004C54000-memory.dmp
memory/1168-56-0x0000000000400000-0x0000000000E21000-memory.dmp
memory/1168-54-0x0000000000400000-0x0000000000E21000-memory.dmp
memory/1692-79-0x0000000000EC0000-0x0000000001CD4000-memory.dmp
memory/1692-81-0x0000000000EC0000-0x0000000001CD4000-memory.dmp
memory/1808-69-0x0000000000400000-0x0000000000D76000-memory.dmp
memory/1808-67-0x0000000000400000-0x0000000000D76000-memory.dmp
memory/1808-68-0x0000000000400000-0x0000000000D76000-memory.dmp
memory/1808-80-0x0000000000400000-0x0000000000D76000-memory.dmp