Analysis
- max time kernel
135s - max time network
187s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
30/10/2022, 08:41
General
- Target 168f735bac9d1a688c4399cf2c041c32.exe
- Size 1.1MB
- Sample221030-klfasabfb6
- SHA256 7e7cf5a3069c6ffd76d00f193d85cd8d0afcd13ae022626d21b11e264700c91c
Malware Config
Extracted
-
redline
-
95.217.98.127:4274
-
auth_value
a909e2aaecf96137978fea4f86400b9b
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 1 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Uses the VBS compiler for execution 1 TTPs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\168f735bac9d1a688c4399cf2c041c32.exe"C:\Users\Admin\AppData\Local\Temp\168f735bac9d1a688c4399cf2c041c32.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Servan_v0.9_Servan_windows_64.exe"C:\Users\Admin\AppData\Local\Temp\Servan_v0.9_Servan_windows_64.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell "" "Get-WmiObject Win32_PortConnector"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4704 -s 987122⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4704 -ip 47041⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
Servan_v0.9_Servan_windows_64.exe
Servan_v0.9_Servan_windows_64.exe
memory/101780-146-0x0000000007120000-0x000000000764C000-memory.dmp
memory/101780-133-0x0000000000400000-0x0000000000428000-memory.dmp
memory/101780-140-0x0000000005000000-0x0000000005012000-memory.dmp
memory/101780-141-0x00000000051E0000-0x000000000521C000-memory.dmp
memory/101780-142-0x00000000062A0000-0x0000000006844000-memory.dmp
memory/101780-143-0x0000000005ED0000-0x0000000005F62000-memory.dmp
memory/101780-144-0x0000000005F70000-0x0000000005FD6000-memory.dmp
memory/101780-145-0x0000000006A20000-0x0000000006BE2000-memory.dmp
memory/101780-139-0x00000000050D0000-0x00000000051DA000-memory.dmp
memory/101780-138-0x00000000055A0000-0x0000000005BB8000-memory.dmp
memory/102208-150-0x00000000000B0000-0x0000000000EF0000-memory.dmp
memory/102208-151-0x00000000000B0000-0x0000000000EF0000-memory.dmp
memory/102208-155-0x00000000000B0000-0x0000000000EF0000-memory.dmp
memory/102308-153-0x0000022357110000-0x0000022357132000-memory.dmp
memory/102308-154-0x00007FF99CDD0000-0x00007FF99D891000-memory.dmp