Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2023 05:20

General

  • Target

    8e551ccfee0da3f6df1947f46f8f05b9.exe

  • Size

    409KB

  • MD5

    8e551ccfee0da3f6df1947f46f8f05b9

  • SHA1

    97298fe2dfbaef07ba4b51b72af54cff14663bb7

  • SHA256

    4b4c5e3bd2d16feef05e1f2cfcee8e8d31e5fe8e7237e319385b433fe66c6c35

  • SHA512

    c1e86d0da8e0ba39c08adfe87f977eb7884e70cd92936c55da34a2475e62d85b46c3f29e8f3aab45cb6089f1fddd74971bab8c4a6cb11a5b4f64ec73c4502646

  • SSDEEP

    6144:c4bizqerHIES/FPm+RCen1KWzbtulGxwfSL5dNim1g:cqiP0/F/Ue1wq5dN

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 5 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\8e551ccfee0da3f6df1947f46f8f05b9.exe
    "C:\Users\Admin\AppData\Local\Temp\8e551ccfee0da3f6df1947f46f8f05b9.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3740
    • C:\ProgramData\32372314296364518244.exe
      "C:\ProgramData\32372314296364518244.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:3952
      • 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:4900
    • C:\ProgramData\10811910662292457782.exe
      "C:\ProgramData\10811910662292457782.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:920
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\10811910662292457782.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5068
        • C:\Windows\system32\choice.exe
          choice /C Y /N /D Y /T 0
          4⤵
            PID:1180
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\8e551ccfee0da3f6df1947f46f8f05b9.exe" & exit
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2812
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 6
          3⤵
          • Delays execution with timeout.exe
          PID:1636
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3740 -s 2096
        2⤵
        • Program crash
        PID:2184
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3740 -ip 3740
      1⤵
        PID:316

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\10811910662292457782.exe

        Filesize

        4.3MB

        MD5

        9abf6a8efa066a03eba449a11cafef79

        SHA1

        317d75f39958078a9706364e9c73ae3d356c90b4

        SHA256

        8d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29

        SHA512

        bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a

      • C:\ProgramData\10811910662292457782.exe

        Filesize

        4.3MB

        MD5

        9abf6a8efa066a03eba449a11cafef79

        SHA1

        317d75f39958078a9706364e9c73ae3d356c90b4

        SHA256

        8d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29

        SHA512

        bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a

      • C:\ProgramData\10811910662292457782.exe

        Filesize

        4.3MB

        MD5

        9abf6a8efa066a03eba449a11cafef79

        SHA1

        317d75f39958078a9706364e9c73ae3d356c90b4

        SHA256

        8d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29

        SHA512

        bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a

      • C:\ProgramData\32372314296364518244.exe

        Filesize

        3.5MB

        MD5

        f5548281bcdcec5c1d151d3417412042

        SHA1

        be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792

        SHA256

        3469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac

        SHA512

        387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c

      • C:\ProgramData\32372314296364518244.exe

        Filesize

        3.5MB

        MD5

        f5548281bcdcec5c1d151d3417412042

        SHA1

        be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792

        SHA256

        3469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac

        SHA512

        387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c

      • C:\ProgramData\32372314296364518244.exe

        Filesize

        3.5MB

        MD5

        f5548281bcdcec5c1d151d3417412042

        SHA1

        be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792

        SHA256

        3469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac

        SHA512

        387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c

      • 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

        552.4MB

        MD5

        66ac42015c205a62ec45e1ca6bf07b6b

        SHA1

        f8869b491e561da1124dd04f00eb1a9767060f45

        SHA256

        77291d98f86d99b473e6ca9ccdfdfe452b9ec87bc7467b372c7d72dc7853dd91

        SHA512

        ad1bc88fbcc339c4265b7c779b2c16124e3e29d867e8d0c81d266cd352eae784d969733e2a8d038c488eaf81db2b669c178f807f0882b3d5754417e296c046af

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

        Filesize

        550.4MB

        MD5

        acea8fc5f7b08c98fa756c490578cce9

        SHA1

        f0fef57bc525c8f7196edb40310066e5f4fa1b58

        SHA256

        504fcc08c8e0901ee7988317eacc65e0eff1038808dfcd76f5430ac392911882

        SHA512

        1d9da74bd43ed11d52b90f768227e1da50b2cfcfb9d8eac988bfc30970633764b53c8142540cef7e800454d0d2a7b287af36b2e94a91407df151d4ae352287d8

      • memory/920-247-0x00000000005B0000-0x0000000001413000-memory.dmp

        Filesize

        14.4MB

      • memory/920-246-0x00000000005B0000-0x0000000001413000-memory.dmp

        Filesize

        14.4MB

      • memory/3740-217-0x0000000000400000-0x0000000000479000-memory.dmp

        Filesize

        484KB

      • memory/3740-210-0x0000000000400000-0x0000000000479000-memory.dmp

        Filesize

        484KB

      • memory/3740-134-0x00000000021B0000-0x000000000220D000-memory.dmp

        Filesize

        372KB

      • memory/3740-251-0x0000000000400000-0x0000000000479000-memory.dmp

        Filesize

        484KB

      • memory/3740-140-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3740-135-0x0000000000400000-0x0000000000479000-memory.dmp

        Filesize

        484KB

      • memory/3952-231-0x0000000000E30000-0x0000000001698000-memory.dmp

        Filesize

        8.4MB

      • memory/3952-237-0x0000000000E30000-0x0000000001698000-memory.dmp

        Filesize

        8.4MB

      • memory/3952-236-0x0000000000E30000-0x0000000001698000-memory.dmp

        Filesize

        8.4MB

      • memory/3952-235-0x0000000000E30000-0x0000000001698000-memory.dmp

        Filesize

        8.4MB

      • memory/3952-234-0x0000000000E30000-0x0000000001698000-memory.dmp

        Filesize

        8.4MB

      • memory/3952-248-0x0000000000E30000-0x0000000001698000-memory.dmp

        Filesize

        8.4MB

      • memory/3952-249-0x0000000000E30000-0x0000000001698000-memory.dmp

        Filesize

        8.4MB

      • memory/3952-233-0x0000000000E30000-0x0000000001698000-memory.dmp

        Filesize

        8.4MB

      • memory/3952-232-0x0000000000E30000-0x0000000001698000-memory.dmp

        Filesize

        8.4MB

      • memory/3952-229-0x0000000000E30000-0x0000000001698000-memory.dmp

        Filesize

        8.4MB

      • memory/3952-256-0x0000000000E30000-0x0000000001698000-memory.dmp

        Filesize

        8.4MB

      • memory/4900-260-0x00000000004A0000-0x0000000000D08000-memory.dmp

        Filesize

        8.4MB

      • memory/4900-266-0x00000000004A0000-0x0000000000D08000-memory.dmp

        Filesize

        8.4MB

      • memory/4900-258-0x00000000004A0000-0x0000000000D08000-memory.dmp

        Filesize

        8.4MB

      • memory/4900-261-0x00000000004A0000-0x0000000000D08000-memory.dmp

        Filesize

        8.4MB

      • memory/4900-262-0x00000000004A0000-0x0000000000D08000-memory.dmp

        Filesize

        8.4MB

      • memory/4900-263-0x00000000004A0000-0x0000000000D08000-memory.dmp

        Filesize

        8.4MB

      • memory/4900-265-0x00000000004A0000-0x0000000000D08000-memory.dmp

        Filesize

        8.4MB

      • memory/4900-259-0x00000000004A0000-0x0000000000D08000-memory.dmp

        Filesize

        8.4MB

      • memory/4900-267-0x00000000004A0000-0x0000000000D08000-memory.dmp

        Filesize

        8.4MB

      • memory/4900-268-0x00000000004A0000-0x0000000000D08000-memory.dmp

        Filesize

        8.4MB

      • memory/4900-269-0x00000000004A0000-0x0000000000D08000-memory.dmp

        Filesize

        8.4MB

      • memory/4900-271-0x00000000004A0000-0x0000000000D08000-memory.dmp

        Filesize

        8.4MB

      • memory/4900-272-0x00000000004A0000-0x0000000000D08000-memory.dmp

        Filesize

        8.4MB

      • memory/4900-273-0x00000000004A0000-0x0000000000D08000-memory.dmp

        Filesize

        8.4MB

      • memory/4900-274-0x00000000004A0000-0x0000000000D08000-memory.dmp

        Filesize

        8.4MB

      • memory/4900-275-0x00000000004A0000-0x0000000000D08000-memory.dmp

        Filesize

        8.4MB