Analysis
- max time kernel
143s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
30/08/2022, 12:33
General
- Target Proton Vpn Installer.exe
- Size 4.7MB
- Sample220830-prjbvaadc3
- SHA256 19b3c0b407d7ed23f23f65a2eac406403b2e9556a0ab40f2dc7172a09fb1679b
Malware Config
Extracted
-
redline
-
185.200.191.18:80
-
auth_value
5c12f2d1959f16ee9dea308bdd09a786
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 1 IoCs
- YTStealer
YTStealer is a malware designed to steal YouTube authentication cookies.
- YTStealer payload 2 IoCs
- Executes dropped EXE 2 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.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Proton Vpn Installer.exe"C:\Users\Admin\AppData\Local\Temp\Proton Vpn Installer.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\@masq_wear_crypted.exeC:\Users\Admin\AppData\Roaming\@masq_wear_crypted.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
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C:\Users\Admin\AppData\Roaming\5223198671.exeC:\Users\Admin\AppData\Roaming\5223198671.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell "" "Get-WmiObject Win32_PortConnector"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
5223198671.exe
5223198671.exe
@masq_wear_crypted.exe
@masq_wear_crypted.exe
memory/4784-158-0x00007FFE1B3C0000-0x00007FFE1BE81000-memory.dmp
memory/4784-157-0x0000020AF39F0000-0x0000020AF3A12000-memory.dmp
memory/4932-138-0x0000000000160000-0x0000000000F74000-memory.dmp
memory/4932-159-0x0000000000160000-0x0000000000F74000-memory.dmp
memory/4932-149-0x0000000000160000-0x0000000000F74000-memory.dmp
memory/133676-148-0x0000000004D10000-0x0000000004D4C000-memory.dmp
memory/133676-155-0x0000000006730000-0x0000000006780000-memory.dmp
memory/133676-150-0x0000000006030000-0x00000000060A6000-memory.dmp
memory/133676-151-0x0000000006150000-0x00000000061E2000-memory.dmp
memory/133676-152-0x00000000067A0000-0x0000000006D44000-memory.dmp
memory/133676-153-0x0000000006230000-0x000000000624E000-memory.dmp
memory/133676-154-0x0000000006530000-0x0000000006596000-memory.dmp
memory/133676-147-0x0000000004DE0000-0x0000000004EEA000-memory.dmp
memory/133676-146-0x0000000002650000-0x0000000002662000-memory.dmp
memory/133676-145-0x00000000052F0000-0x0000000005908000-memory.dmp
memory/133676-140-0x00000000003C0000-0x00000000003E0000-memory.dmp
memory/133676-160-0x0000000007BD0000-0x0000000007D92000-memory.dmp
memory/133676-161-0x00000000082D0000-0x00000000087FC000-memory.dmp