Analysis

  • max time kernel
    152s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-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 2 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 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.

  • 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
  • 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 2 IoCs
  • Drops file in Windows directory 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 19 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 34 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:5004
    • 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:4684
      • 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:4368
        • C:\Users\Admin\AppData\Roaming\Hq_Control\BUAWNFFIWXWNVUBESS\Setup.exe
          C:\Users\Admin\AppData\Roaming\Hq_Control\BUAWNFFIWXWNVUBESS\Setup.exe
          4⤵
          • Executes dropped EXE
          PID:3224
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 836
            5⤵
            • Program crash
            PID:1048
        • C:\Windows\SysWOW64\more.com
          C:\Windows\SysWOW64\more.com
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:2956
          • 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 SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4340
            • C:\ProgramData\DGHCBAAEHC.exe
              "C:\ProgramData\DGHCBAAEHC.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:924
              • C:\Windows\SysWOW64\more.com
                C:\Windows\SysWOW64\more.com
                7⤵
                • Drops file in Windows directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of WriteProcessMemory
                PID:3056
                • C:\Windows\SysWOW64\explorer.exe
                  C:\Windows\SysWOW64\explorer.exe
                  8⤵
                    PID:1680
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CBFIIEHJDBKJ" & exit
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:2268
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 10
                  7⤵
                  • Delays execution with timeout.exe
                  PID:2472
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3224 -ip 3224
      1⤵
        PID:748

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            DGHCBAAEHC.exe

            • Path C:\ProgramData\DGHCBAAEHC.exe
            • Size 4.4MB
            • SHA256 cfe865ff674950f8d2bde9161d0b0a34b26b9f742022754f212077d9068a3ea4
            • 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

            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

            SftTree_IX86_U_60.DLL

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

            finial.csv

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

            sqlite3.dll

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

            b7770fa2

            • Path C:\Users\Admin\AppData\Local\Temp\b7770fa2
            • Size 12.9MB
            • SHA256 8b87112b346415280ef43eb91706f62fff09ada0e2128a92f86ffc587d5e85ab
            • MD5 SHA1 SHA512 SSDEEP

            bde1a8

            • Path C:\Users\Admin\AppData\Local\Temp\bde1a8
            • Size 1.3MB
            • SHA256 13147df98f9460cad39ccb1ba6305c2773c9183eeb67f6caa22eb725b113c631
            • MD5 SHA1 SHA512 SSDEEP

            IMHttpComm.dll

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

            ImABU.dll

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

            ImDbU.dll

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

            ImLookExU.dll

            • Path C:\Users\Admin\AppData\Roaming\Hq_Control\ImLookExU.dll
            • Size 262KB
            • SHA256 908ab22cb8fa1b9125cf5746e5591fd84e4853326a812b9431ca1c0b9e997e1f
            • 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

            mfc80u.dll

            • Path C:\Users\Admin\AppData\Roaming\Hq_Control\mfc80u.dll
            • Size 1.0MB
            • SHA256 18be5d3c656236b7e3cd6d619d62496fe3e7f66bf2859e460f8ac3d1a6bdaa9a
            • 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/2956-161-0x00007FF958DB0000-0x00007FF958FA5000-memory.dmp

            memory/2956-163-0x0000000073DD0000-0x0000000073F4B000-memory.dmp

            memory/4340-166-0x00007FF958DB0000-0x00007FF958FA5000-memory.dmp

            memory/4340-167-0x0000000000B00000-0x000000000124A000-memory.dmp

            memory/4340-177-0x0000000000B00000-0x000000000124A000-memory.dmp

            memory/4340-178-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            memory/4368-149-0x0000000073DD0000-0x0000000073F4B000-memory.dmp

            memory/4368-157-0x0000000073DD0000-0x0000000073F4B000-memory.dmp

            memory/4368-138-0x00000000005F0000-0x000000000063D000-memory.dmp

            memory/4368-141-0x0000000002150000-0x00000000021DE000-memory.dmp

            memory/4368-144-0x0000000000650000-0x0000000000660000-memory.dmp

            memory/4368-152-0x0000000073DD0000-0x0000000073F4B000-memory.dmp

            memory/4368-150-0x00007FF958DB0000-0x00007FF958FA5000-memory.dmp

            memory/4684-78-0x0000000000730000-0x0000000000740000-memory.dmp

            memory/4684-89-0x00007FF958DB0000-0x00007FF958FA5000-memory.dmp

            memory/4684-81-0x00000000022D0000-0x000000000235E000-memory.dmp

            memory/4684-74-0x0000000002100000-0x000000000214D000-memory.dmp

            memory/4684-128-0x0000000060900000-0x0000000060979000-memory.dmp

            memory/5004-155-0x0000000073DD0000-0x0000000073F4B000-memory.dmp

            memory/5004-0-0x0000000001F90000-0x0000000001F91000-memory.dmp

            memory/5004-7-0x0000000073DD0000-0x0000000073F4B000-memory.dmp

            memory/5004-8-0x00007FF958DB0000-0x00007FF958FA5000-memory.dmp

            memory/5004-28-0x0000000073DD0000-0x0000000073F4B000-memory.dmp

            memory/5004-27-0x0000000073DE2000-0x0000000073DE4000-memory.dmp

            memory/5004-50-0x0000000073DD0000-0x0000000073F4B000-memory.dmp

            memory/5004-1-0x0000000000400000-0x0000000001C28000-memory.dmp

            memory/5004-10-0x0000000073DD0000-0x0000000073F4B000-memory.dmp