Analysis

  • max time kernel
    144s
  • max time network
    156s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    27/06/2024, 17:33

General

  • Target
    !!SetUp_!PaS$K?y$!_22409/Setup.exe
  • Size 673.6MB
  • Sample240627-v4yvysthmn
  • SHA256 69c15bbfb3616e18750a3571954788c356a55e1538e4db74cc23597f065f176b
  • 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.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 33 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).

  • Program crash 1 IoCs
  • 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 13 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\!!SetUp_!PaS$K_y$!_22409\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\!!SetUp_!PaS$K_y$!_22409\Setup.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3156
    • C:\Users\Admin\AppData\Local\Temp\Hq_Control\ImApp.exe
      C:\Users\Admin\AppData\Local\Temp\Hq_Control\ImApp.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4640
      • C:\Users\Admin\AppData\Roaming\Hq_Control\ImApp.exe
        C:\Users\Admin\AppData\Roaming\Hq_Control\ImApp.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:4064
        • C:\Users\Admin\AppData\Roaming\Hq_Control\LTEGYPVCAXXRCCFFF\Setup.exe
          C:\Users\Admin\AppData\Roaming\Hq_Control\LTEGYPVCAXXRCCFFF\Setup.exe
          4⤵
          • Executes dropped EXE
          PID:4480
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4480 -s 736
            5⤵
            • Program crash
            PID:2408
        • C:\Windows\SysWOW64\more.com
          C:\Windows\SysWOW64\more.com
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:1052
          • C:\Users\Admin\AppData\Local\Temp\Launcher32.exe
            C:\Users\Admin\AppData\Local\Temp\Launcher32.exe
            5⤵
            • Loads dropped DLL
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:4876
            • 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\DAECFIJDAAAK" & exit
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:3832
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                7⤵
                • Delays execution with timeout.exe
                PID:1648
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4480 -ip 4480
    1⤵
      PID:2908

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          IMHttpComm.dll

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

          ImABU.dll

          • Path C:\Users\Admin\AppData\Local\Temp\Hq_Control\ImABU.dll
          • Size 310KB
          • SHA256 c56d37f20069e48eade31236b4d3aa5afda2621bd77760e85964f1e6834be9a6
          • MD5 SHA1 SHA512 SSDEEP

          ImApp.exe

          • Path C:\Users\Admin\AppData\Local\Temp\Hq_Control\ImApp.exe
          • Size 258KB
          • SHA256 9b398917c796083a6005ab3f9d78243dbc0fad12be1e196be2b01041d4c951a7
          • MD5 SHA1 SHA512 SSDEEP

          ImLookExU.dll

          • Path C:\Users\Admin\AppData\Local\Temp\Hq_Control\ImLookExU.dll
          • Size 262KB
          • SHA256 908ab22cb8fa1b9125cf5746e5591fd84e4853326a812b9431ca1c0b9e997e1f
          • MD5 SHA1 SHA512 SSDEEP

          ImUtilsU.dll

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

          ImWrappU.dll

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

          Microsoft.VC80.CRT.manifest

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

          Microsoft.VC80.MFC.manifest

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

          finial.csv

          • Path C:\Users\Admin\AppData\Local\Temp\Hq_Control\finial.csv
          • Size 6.2MB
          • SHA256 16b8cea15232bc88fd54013b74b2722e677ab948b2e49bfb9bb6fdcbef7c0e2e
          • MD5 SHA1 SHA512 SSDEEP

          mfc80u.dll

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

          msvcp80.dll

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

          msvcr80.dll

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

          slub.yml

          • Path C:\Users\Admin\AppData\Local\Temp\Hq_Control\slub.yml
          • Size 15KB
          • SHA256 4628be205894281f1b65a1e5af6c19af2f85455ff90c04f72b8ea7af12c0e574
          • MD5 SHA1 SHA512 SSDEEP

          d625f4c0

          • Path C:\Users\Admin\AppData\Local\Temp\d625f4c0
          • Size 12.9MB
          • SHA256 8b87112b346415280ef43eb91706f62fff09ada0e2128a92f86ffc587d5e85ab
          • MD5 SHA1 SHA512 SSDEEP

          ImDbU.dll

          • Path C:\Users\Admin\AppData\Roaming\Hq_Control\ImDbU.dll
          • Size 86KB
          • SHA256 db890bb2555e0bf3f82b38dc12ecd581348e40e53f9a51dd512149075c7df0a4
          • MD5 SHA1 SHA512 SSDEEP

          ImLookU.dll

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

          ImNtUtilU.dll

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

          SftTree_IX86_U_60.dll

          • Path C:\Users\Admin\AppData\Roaming\Hq_Control\SftTree_IX86_U_60.dll
          • Size 570KB
          • SHA256 9f7b9b366a675b5647f8878586f1883791969cacf51117a63294f24135cc64c3
          • MD5 SHA1 SHA512 SSDEEP

          sqlite3.dll

          • Path C:\Users\Admin\AppData\Roaming\Hq_Control\sqlite3.dll
          • Size 465KB
          • SHA256 8567b0e23fd4178270ca674810755c9dfdae1f4028e01c0c74a4eeb7774a1688
          • MD5 SHA1 SHA512 SSDEEP

          wlessfp1.dll

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

          memory/1052-165-0x0000000074230000-0x00000000743AD000-memory.dmp

          memory/1052-163-0x00007FFD29240000-0x00007FFD29449000-memory.dmp

          memory/3156-0-0x0000000003820000-0x0000000003821000-memory.dmp

          memory/3156-1-0x0000000000400000-0x0000000001C28000-memory.dmp

          memory/3156-8-0x00007FFD29240000-0x00007FFD29449000-memory.dmp

          memory/3156-7-0x0000000074230000-0x00000000743AD000-memory.dmp

          memory/3156-156-0x0000000074230000-0x00000000743AD000-memory.dmp

          memory/3156-49-0x0000000074230000-0x00000000743AD000-memory.dmp

          memory/3156-30-0x0000000074230000-0x00000000743AD000-memory.dmp

          memory/3156-9-0x0000000074242000-0x0000000074244000-memory.dmp

          memory/3156-11-0x0000000074230000-0x00000000743AD000-memory.dmp

          memory/4064-138-0x00000000021B0000-0x00000000021FD000-memory.dmp

          memory/4064-151-0x00007FFD29240000-0x00007FFD29449000-memory.dmp

          memory/4064-141-0x0000000002200000-0x000000000228E000-memory.dmp

          memory/4064-158-0x0000000074230000-0x00000000743AD000-memory.dmp

          memory/4064-145-0x0000000002290000-0x00000000022A0000-memory.dmp

          memory/4064-153-0x0000000074230000-0x00000000743AD000-memory.dmp

          memory/4064-150-0x0000000074230000-0x00000000743AD000-memory.dmp

          memory/4640-74-0x00000000022E0000-0x000000000232D000-memory.dmp

          memory/4640-89-0x0000000074230000-0x00000000743AD000-memory.dmp

          memory/4640-77-0x0000000002340000-0x00000000023CE000-memory.dmp

          memory/4640-80-0x00000000023D0000-0x00000000023E0000-memory.dmp

          memory/4640-149-0x0000000060900000-0x0000000060979000-memory.dmp

          memory/4640-90-0x00007FFD29240000-0x00007FFD29449000-memory.dmp

          memory/4876-168-0x00007FFD29240000-0x00007FFD29449000-memory.dmp

          memory/4876-169-0x0000000001040000-0x000000000178A000-memory.dmp

          memory/4876-173-0x0000000001040000-0x000000000178A000-memory.dmp

          memory/4876-175-0x0000000001040000-0x000000000178A000-memory.dmp

          memory/4876-176-0x0000000061E00000-0x0000000061EF3000-memory.dmp