Analysis
- max time kernel
133s - max time network
144s - platform
windows10_x64 - resource
win10v20210410 - submitted
19/08/2021, 19:38
General
- Target 7b43102eac227f292e0534dbcd99e797.exe
- Size 2.2MB
- Sample210819-9kptzecphs
- SHA256 72464c7a10469277dad3ff7f30c51f1d3db03076b2feb2e2ac33a9749d44e64d
Malware Config
Extracted
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raccoon
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b1a595eac9265caef93f4d54354e4e71594872f2
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url4cnc
https://telete.in/hobaoparunjohnyrun2
Extracted
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redline
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qq
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95.179.166.29:60101
Signatures
- Raccoon
Simple but powerful infostealer which was very active in 2019.
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
- suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
- Downloads MZ/PE file
- Executes dropped EXE 4 IoCs
- Loads dropped DLL 5 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.
- Suspicious use of SetThreadContext 1 IoCs
- 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 AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\7b43102eac227f292e0534dbcd99e797.exe"C:\Users\Admin\AppData\Local\Temp\7b43102eac227f292e0534dbcd99e797.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7b43102eac227f292e0534dbcd99e797.exeC:\Users\Admin\AppData\Local\Temp\7b43102eac227f292e0534dbcd99e797.exe2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\zyK60ifEe5.exe"C:\Users\Admin\AppData\Local\Temp\zyK60ifEe5.exe"3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\zyK60ifEe5.exeC:\Users\Admin\AppData\Local\Temp\zyK60ifEe5.exe4⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\zyK60ifEe5.exeC:\Users\Admin\AppData\Local\Temp\zyK60ifEe5.exe4⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\zyK60ifEe5.exeC:\Users\Admin\AppData\Local\Temp\zyK60ifEe5.exe4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\7b43102eac227f292e0534dbcd99e797.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK4⤵
- Delays execution with timeout.exe
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3008-122-0x0000000000400000-0x0000000000492000-memory.dmp
memory/3008-120-0x0000000000400000-0x0000000000492000-memory.dmp
memory/3904-116-0x0000000004C70000-0x0000000004C71000-memory.dmp
memory/3904-119-0x0000000004BF0000-0x0000000004C66000-memory.dmp
memory/3904-118-0x0000000005290000-0x0000000005291000-memory.dmp
memory/3904-117-0x0000000004C10000-0x0000000004C11000-memory.dmp
memory/3904-114-0x0000000000120000-0x0000000000121000-memory.dmp
memory/3944-136-0x0000000000400000-0x000000000041E000-memory.dmp
memory/3944-138-0x00000000056B0000-0x00000000056B1000-memory.dmp
memory/3944-139-0x00000000050E0000-0x00000000050E1000-memory.dmp
memory/3944-140-0x0000000005140000-0x0000000005141000-memory.dmp
memory/3944-141-0x0000000005180000-0x0000000005181000-memory.dmp
memory/3944-142-0x00000000053F0000-0x00000000053F1000-memory.dmp
memory/3944-143-0x00000000050A0000-0x00000000056A6000-memory.dmp