Analysis

  • max time kernel
    160s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-04-2023 23:43

General

  • Target

    40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe

  • Size

    453KB

  • MD5

    ca282495bbfb1340aa4497216e087597

  • SHA1

    cad3b85d6131f6f7db3c9bcafbf6308caf257a6b

  • SHA256

    40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065

  • SHA512

    8d2691067fb824a09826302f60ca7ae922b245331fd61f177174af3be493e3c420ac1a28db3e28ede9a54cb8508e8a715e8dd85a09c564ef719226f72b5368a0

  • SSDEEP

    6144:k8w28Ue7xMslcC1wJgOpneVyklkJ8zSI2jT+NVqEvJkKwv4jCRkA:RwzLxMslcCmJBpeV1lW8zGGevvxv

Malware Config

Extracted

Family

vidar

Version

3.6

Botnet

78489afd9d9a4747beb445e5fb5b9c96

C2

https://steamcommunity.com/profiles/76561199499188534

https://t.me/nutalse

Attributes
  • profile_id_v2

    78489afd9d9a4747beb445e5fb5b9c96

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36

Extracted

Family

laplas

C2

http://89.23.97.128

Attributes
  • api_key

    bc2dceabe69fa26dbf4dd8295d65e03e1990633a88c1c8410825c9266b239396

Signatures

  • Laplas Clipper

    Laplas is a crypto wallet stealer with three variants written in Golang, C#, and C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 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
  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe
    "C:\Users\Admin\AppData\Local\Temp\40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1328
    • C:\ProgramData\88905810485490890141.exe
      "C:\ProgramData\88905810485490890141.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of WriteProcessMemory
      PID:4384
      • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        PID:396
    • C:\ProgramData\90350302049999253626.exe
      "C:\ProgramData\90350302049999253626.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4528
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\90350302049999253626.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2472
        • C:\Windows\system32\choice.exe
          choice /C Y /N /D Y /T 0
          4⤵
            PID:3432
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\40d78b5dcd8a4f97205e5ecc529c18151086cbe12380f09a34a299a56ae4f065.exe" & exit
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4132
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 6
          3⤵
          • Delays execution with timeout.exe
          PID:3776
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1328 -s 2328
        2⤵
        • Program crash
        PID:2400
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1328 -ip 1328
      1⤵
        PID:1684

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\88905810485490890141.exe

        Filesize

        3.5MB

        MD5

        f5548281bcdcec5c1d151d3417412042

        SHA1

        be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792

        SHA256

        3469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac

        SHA512

        387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c

      • C:\ProgramData\88905810485490890141.exe

        Filesize

        3.5MB

        MD5

        f5548281bcdcec5c1d151d3417412042

        SHA1

        be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792

        SHA256

        3469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac

        SHA512

        387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c

      • C:\ProgramData\88905810485490890141.exe

        Filesize

        3.5MB

        MD5

        f5548281bcdcec5c1d151d3417412042

        SHA1

        be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792

        SHA256

        3469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac

        SHA512

        387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c

      • C:\ProgramData\90350302049999253626.exe

        Filesize

        4.3MB

        MD5

        9abf6a8efa066a03eba449a11cafef79

        SHA1

        317d75f39958078a9706364e9c73ae3d356c90b4

        SHA256

        8d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29

        SHA512

        bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a

      • C:\ProgramData\90350302049999253626.exe

        Filesize

        4.3MB

        MD5

        9abf6a8efa066a03eba449a11cafef79

        SHA1

        317d75f39958078a9706364e9c73ae3d356c90b4

        SHA256

        8d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29

        SHA512

        bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a

      • C:\ProgramData\90350302049999253626.exe

        Filesize

        4.3MB

        MD5

        9abf6a8efa066a03eba449a11cafef79

        SHA1

        317d75f39958078a9706364e9c73ae3d356c90b4

        SHA256

        8d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29

        SHA512

        bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a

      • C:\ProgramData\mozglue.dll

        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll

        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe

        Filesize

        317.9MB

        MD5

        86174d02dbac9a820d55c4fb4f6e97f3

        SHA1

        23d4369876fb6adda1939256d3c54884edfcd6aa

        SHA256

        a998841b6842a81d4145bf44cbd403e90c3fc85a9572b282ae211aee91ef9fac

        SHA512

        6eeb118552684db39ec9e487b1e4cdd3ab1ce41ad501d80306ee9d133b2519e52cd3c554ef903ee6d2c884f38e8bd9aef0fbb4c4acbf3745baea58ea570f41db

      • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe

        Filesize

        315.4MB

        MD5

        1edca0833ecb8734a1e99f7bae29deb9

        SHA1

        dce6d264162e7b0a09fd4db57b12242a7c85c862

        SHA256

        590b94a18e8ec8e92d29867089346d85e1a0264e540bec37b52858454a3909a7

        SHA512

        926419023545cd539e46dde3eae5af8df97b3d19bbbd17e951b01db624a24c2a2e34331f96fd1c7db012341313eb4b40f737e5ea7d6e1bdfdd24cab0bc10947a

      • memory/396-268-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/396-274-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/396-272-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/396-271-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/396-270-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/396-269-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/396-276-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/396-267-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/396-262-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/396-273-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/396-279-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/396-266-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/396-265-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/396-264-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/396-277-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/396-263-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/396-275-0x00000000007F0000-0x0000000001058000-memory.dmp

        Filesize

        8.4MB

      • memory/1328-252-0x0000000000400000-0x0000000000816000-memory.dmp

        Filesize

        4.1MB

      • memory/1328-230-0x0000000000400000-0x0000000000816000-memory.dmp

        Filesize

        4.1MB

      • memory/1328-144-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1328-134-0x0000000002430000-0x000000000248D000-memory.dmp

        Filesize

        372KB

      • memory/1328-214-0x0000000000400000-0x0000000000816000-memory.dmp

        Filesize

        4.1MB

      • memory/1328-215-0x0000000000400000-0x0000000000816000-memory.dmp

        Filesize

        4.1MB

      • memory/4384-241-0x00000000000F0000-0x0000000000958000-memory.dmp

        Filesize

        8.4MB

      • memory/4384-239-0x00000000000F0000-0x0000000000958000-memory.dmp

        Filesize

        8.4MB

      • memory/4384-238-0x00000000000F0000-0x0000000000958000-memory.dmp

        Filesize

        8.4MB

      • memory/4384-237-0x00000000000F0000-0x0000000000958000-memory.dmp

        Filesize

        8.4MB

      • memory/4384-236-0x00000000000F0000-0x0000000000958000-memory.dmp

        Filesize

        8.4MB

      • memory/4384-235-0x00000000000F0000-0x0000000000958000-memory.dmp

        Filesize

        8.4MB

      • memory/4384-234-0x00000000000F0000-0x0000000000958000-memory.dmp

        Filesize

        8.4MB

      • memory/4384-240-0x00000000000F0000-0x0000000000958000-memory.dmp

        Filesize

        8.4MB

      • memory/4384-260-0x00000000000F0000-0x0000000000958000-memory.dmp

        Filesize

        8.4MB

      • memory/4384-253-0x00000000000F0000-0x0000000000958000-memory.dmp

        Filesize

        8.4MB

      • memory/4528-250-0x0000000000380000-0x00000000011E3000-memory.dmp

        Filesize

        14.4MB