Analysis

  • max time kernel
    56s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/06/2024, 01:26

General

  • Target
    #!~#0Pen_2025_P@$SW0RD!~!~/Setup.exe
  • Size 7.2MB
  • Sample240628-btt98stcpd
  • SHA256 9b1f4d88a2d0db1954030c38bbaac8f7f7a37575536f4124ebfe074936f14b98
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vidar

C2
  • https://aliszon.xyz

  • https://t.me/g067n

  • https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT; Windows NT 10.0; en-US) AppleWebKit/534.6 (KHTML, like Gecko) Chrome/8.0.500.0 Safari/534.6

Signatures

  • Detect Vidar Stealer 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Detects Windows executables referencing non-Windows User-Agents 3 IoCs
  • Detects executables containing SQL queries to confidential data stores. Observed in infostealers 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 26 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\#!~#0Pen_2025_P@$SW0RD!~!~\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\#!~#0Pen_2025_P@$SW0RD!~!~\Setup.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4704
    • C:\Users\Admin\AppData\Local\Temp\ImNotfy.exe
      "C:\Users\Admin\AppData\Local\Temp\ImNotfy.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4784
      • C:\Users\Admin\AppData\Roaming\pobug\ImNotfy.exe
        C:\Users\Admin\AppData\Roaming\pobug\ImNotfy.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:5056
        • C:\Windows\SysWOW64\more.com
          C:\Windows\SysWOW64\more.com
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:4540
          • C:\Users\Admin\AppData\Local\Temp\Launcher32.exe
            C:\Users\Admin\AppData\Local\Temp\Launcher32.exe
            5⤵
            • Checks computer location settings
            • Loads dropped DLL
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:3652
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Launcher32.exe" & rd /s /q "C:\ProgramData\DAKFCGIJKJKF" & exit
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:2516
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                7⤵
                • Delays execution with timeout.exe
                PID:3124

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        IMHttpComm.dll

        • Path C:\Users\Admin\AppData\Local\Temp\IMHttpComm.dll
        • Size 32KB
        • SHA256 96d6264b26decf6595ca6f0584a1b60589ec5dacdf03ddf5fbb6104a6afc9e7a
        • MD5 SHA1 SHA512 SSDEEP

        ImLookExU.dll

        • Path C:\Users\Admin\AppData\Local\Temp\ImLookExU.dll
        • Size 262KB
        • SHA256 89f13c536f8e99e845f58c5021372acb4b3003045f23648306740aabf966dfb4
        • MD5 SHA1 SHA512 SSDEEP

        ImLookU.dll

        • Path C:\Users\Admin\AppData\Local\Temp\ImLookU.dll
        • Size 606KB
        • SHA256 a6766c524497144d585efa4fe384b516b563203427003508f7c8f6bffa7c928d
        • MD5 SHA1 SHA512 SSDEEP

        ImNotfy.exe

        • Path C:\Users\Admin\AppData\Local\Temp\ImNotfy.exe
        • Size 254KB
        • SHA256 4c3ad8d00ff2a4fe6aec3dfaa605e9b8d3f4a35e3cfe01a4a96405d7b25551c2
        • MD5 SHA1 SHA512 SSDEEP

        ImNtUtilU.dll

        • Path C:\Users\Admin\AppData\Local\Temp\ImNtUtilU.dll
        • Size 94KB
        • SHA256 a8e1b0e676dce9556037d29fd96521ec814858404ba4cfdd0db0edbe22c87bc7
        • MD5 SHA1 SHA512 SSDEEP

        ImUtilsU.dll

        • Path C:\Users\Admin\AppData\Local\Temp\ImUtilsU.dll
        • Size 1.4MB
        • SHA256 914b1e53451b8be2c362d62514f28bdef46a133535d959b13f3f4bf3bc63df3a
        • MD5 SHA1 SHA512 SSDEEP

        ImWrappU.dll

        • Path C:\Users\Admin\AppData\Local\Temp\ImWrappU.dll
        • Size 158KB
        • SHA256 7187903a9e4078f4d31f4b709a59d24eb6b417ea289f4f28eabce1ea2e713dce
        • MD5 SHA1 SHA512 SSDEEP

        Launcher32.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Launcher32.exe
        • Size 994KB
        • SHA256 6e599490e164505af796569dce30e18218b179b2b791fe69764892b3ed3e7478
        • MD5 SHA1 SHA512 SSDEEP

        Microsoft.VC80.CRT.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\Microsoft.VC80.CRT.manifest
        • Size 1KB
        • SHA256 17ad1a64ba1c382abf89341b40950f9b31f95015c6b0d3e25925bfebc1b53eb5
        • MD5 SHA1 SHA512

        Microsoft.VC80.MFC.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\Microsoft.VC80.MFC.manifest
        • Size 2KB
        • SHA256 4ed3ba814de7fd08b4e4c6143d144e603536c343602e1071803b86e58391be36
        • MD5 SHA1 SHA512

        SftTree_IX86_U_60.dll

        • Path C:\Users\Admin\AppData\Local\Temp\SftTree_IX86_U_60.dll
        • Size 570KB
        • SHA256 24f2399fc83198ab8d63ee6a1ad6ffbd1eda4d38048d3e809fecd2a3e0709671
        • MD5 SHA1 SHA512 SSDEEP

        aec6277b

        • Path C:\Users\Admin\AppData\Local\Temp\aec6277b
        • Size 6.9MB
        • SHA256 e82fb9c16fe929c6421a953c2d4a84e77aed7cdc25dbef105b750d5fcc4c05f7
        • MD5 SHA1 SHA512 SSDEEP

        anon.htm

        • Path C:\Users\Admin\AppData\Local\Temp\anon.htm
        • Size 6.2MB
        • SHA256 7e0b95bd41d040bacc1cf1a7d6e12e2ee5e74609c30c91fbcc35916aea47091b
        • MD5 SHA1 SHA512 SSDEEP

        debug.xls

        • Path C:\Users\Admin\AppData\Local\Temp\debug.xls
        • Size 28KB
        • SHA256 ae7548c38fdf14d79acd429c3bdbcff273bac953a04537b9755277d6decbca74
        • MD5 SHA1 SHA512 SSDEEP

        mfc80u.dll

        • Path C:\Users\Admin\AppData\Local\Temp\mfc80u.dll
        • Size 1.0MB
        • SHA256 18be5d3c656236b7e3cd6d619d62496fe3e7f66bf2859e460f8ac3d1a6bdaa9a
        • MD5 SHA1 SHA512 SSDEEP

        msvcp80.dll

        • Path C:\Users\Admin\AppData\Local\Temp\msvcp80.dll
        • Size 536KB
        • SHA256 2026f3c4f830dff6883b88e2647272a52a132f25eb42c0d423e36b3f65a94d08
        • MD5 SHA1 SHA512 SSDEEP

        msvcr80.dll

        • Path C:\Users\Admin\AppData\Local\Temp\msvcr80.dll
        • Size 612KB
        • SHA256 02bdde38e4c6bd795a092d496b8d6060cdbe71e22ef4d7a204e3050c1be44fa9
        • MD5 SHA1 SHA512 SSDEEP

        wlessfp1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\wlessfp1.dll
        • Size 70KB
        • SHA256 fbd4b6011d3d1c2af22827ca548ba19669eef31173d496e75f064ef7a884431c
        • MD5 SHA1 SHA512 SSDEEP

        memory/3652-148-0x0000000001000000-0x000000000174B000-memory.dmp

        memory/3652-130-0x00007FF965490000-0x00007FF965685000-memory.dmp

        memory/3652-131-0x0000000001000000-0x000000000174B000-memory.dmp

        memory/3652-135-0x0000000001000000-0x000000000174B000-memory.dmp

        memory/3652-137-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        memory/4540-123-0x00007FF965490000-0x00007FF965685000-memory.dmp

        memory/4540-125-0x0000000075750000-0x00000000758CB000-memory.dmp

        memory/4784-68-0x00007FF965490000-0x00007FF965685000-memory.dmp

        memory/4784-67-0x0000000073420000-0x000000007359B000-memory.dmp

        memory/4784-63-0x0000000000A50000-0x0000000000ADE000-memory.dmp

        memory/5056-120-0x0000000075750000-0x00000000758CB000-memory.dmp

        memory/5056-119-0x00007FF965490000-0x00007FF965685000-memory.dmp

        memory/5056-118-0x0000000075750000-0x00000000758CB000-memory.dmp

        memory/5056-113-0x0000000000A40000-0x0000000000ACE000-memory.dmp