Analysis

  • max time kernel
    75s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-05-2023 00:01

General

  • Target

    566d72a844a8845eeaaa9bb3a42af3a642097fed1f0ce5cca95f04ce2bc3acd0.exe

  • Size

    370KB

  • MD5

    33a11e1f87d7d41a25615d8c698e37c9

  • SHA1

    a42ee5ced689651d1dc9e529d49c127fdc017bf5

  • SHA256

    566d72a844a8845eeaaa9bb3a42af3a642097fed1f0ce5cca95f04ce2bc3acd0

  • SHA512

    16504f6afa575007e7c8bf5e09dab32542a2cda422ea9e640b1c3cdf410d5b7df2ea50fba40e4a0031b63043aa29d6e46085c99580468d6a090a97a85d7d4eb3

  • SSDEEP

    6144:1q6RF03brX+MMl9JifAaWmzoNMXgdZL1bkFk4Ao7LeetAH2KCVxqOi:1q6L03HXbMdiffLzouXmV1IFT7ietMCg

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 1 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 2 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 2 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 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 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
  • GoLang User-Agent 1 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\566d72a844a8845eeaaa9bb3a42af3a642097fed1f0ce5cca95f04ce2bc3acd0.exe
    "C:\Users\Admin\AppData\Local\Temp\566d72a844a8845eeaaa9bb3a42af3a642097fed1f0ce5cca95f04ce2bc3acd0.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\ProgramData\99525974699995182399.exe
      "C:\ProgramData\99525974699995182399.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
      PID:3780
      • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        3⤵
          PID:1276
      • C:\ProgramData\88379435228428588782.exe
        "C:\ProgramData\88379435228428588782.exe"
        2⤵
        • Executes dropped EXE
        PID:5092
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\88379435228428588782.exe
          3⤵
            PID:3700
            • C:\Windows\system32\choice.exe
              choice /C Y /N /D Y /T 0
              4⤵
                PID:1820
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\566d72a844a8845eeaaa9bb3a42af3a642097fed1f0ce5cca95f04ce2bc3acd0.exe" & exit
            2⤵
              PID:1756
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 6
                3⤵
                • Delays execution with timeout.exe
                PID:2400
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 2328
              2⤵
              • Program crash
              PID:1804
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2028 -ip 2028
            1⤵
              PID:1104

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\ProgramData\88379435228428588782.exe

              Filesize

              4.3MB

              MD5

              9abf6a8efa066a03eba449a11cafef79

              SHA1

              317d75f39958078a9706364e9c73ae3d356c90b4

              SHA256

              8d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29

              SHA512

              bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a

            • C:\ProgramData\88379435228428588782.exe

              Filesize

              4.3MB

              MD5

              9abf6a8efa066a03eba449a11cafef79

              SHA1

              317d75f39958078a9706364e9c73ae3d356c90b4

              SHA256

              8d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29

              SHA512

              bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a

            • C:\ProgramData\88379435228428588782.exe

              Filesize

              4.3MB

              MD5

              9abf6a8efa066a03eba449a11cafef79

              SHA1

              317d75f39958078a9706364e9c73ae3d356c90b4

              SHA256

              8d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29

              SHA512

              bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a

            • C:\ProgramData\99525974699995182399.exe

              Filesize

              3.5MB

              MD5

              f5548281bcdcec5c1d151d3417412042

              SHA1

              be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792

              SHA256

              3469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac

              SHA512

              387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c

            • C:\ProgramData\99525974699995182399.exe

              Filesize

              3.5MB

              MD5

              f5548281bcdcec5c1d151d3417412042

              SHA1

              be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792

              SHA256

              3469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac

              SHA512

              387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c

            • C:\ProgramData\99525974699995182399.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

              52.9MB

              MD5

              7fbb395a1a4b5fe8c12b1d481b15ca89

              SHA1

              99cda4e99e612b2d11e37ae040954a1fb814b278

              SHA256

              caa07269a8ff91593847862b8f25eb80acfdb0d0c38901ad9fd5c2edb91734aa

              SHA512

              5d1595258cbd2effa77a2a08f962b8616aff394291214e2b4b9f80560036794eb0d7201969b6341191f25cba9ffe346e7365b85e99cc942eab56f88de58c2f6f

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

              Filesize

              52.2MB

              MD5

              b4b105d08498784fffd94160232c246a

              SHA1

              9a2ed040a5ea8e01c19b869bf64cd0f68c03ff93

              SHA256

              36704b606ce948a69f8d5fbf0b8724df76207db5768dc6cd91ed12af04b0489f

              SHA512

              96e86a4a902dc1fa314c4c9230922d8b14b934c580d783a4b147e0ad1d3e14203d73359bc014c83aae9e20b74fd2791834e16f5a659485816e1f354333bfbf6a

            • memory/1276-277-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/1276-275-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/1276-282-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/1276-281-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/1276-280-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/1276-278-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/1276-271-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/1276-276-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/1276-283-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/1276-270-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/1276-269-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/1276-268-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/1276-273-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/1276-267-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/1276-272-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/1276-265-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/1276-264-0x0000000000090000-0x00000000008F8000-memory.dmp

              Filesize

              8.4MB

            • memory/2028-135-0x0000000000400000-0x0000000000802000-memory.dmp

              Filesize

              4.0MB

            • memory/2028-266-0x0000000000400000-0x0000000000802000-memory.dmp

              Filesize

              4.0MB

            • memory/2028-148-0x0000000061E00000-0x0000000061EF3000-memory.dmp

              Filesize

              972KB

            • memory/2028-134-0x0000000000AB0000-0x0000000000B0D000-memory.dmp

              Filesize

              372KB

            • memory/2028-220-0x0000000000400000-0x0000000000802000-memory.dmp

              Filesize

              4.0MB

            • memory/2028-227-0x0000000000400000-0x0000000000802000-memory.dmp

              Filesize

              4.0MB

            • memory/3780-240-0x0000000000560000-0x0000000000DC8000-memory.dmp

              Filesize

              8.4MB

            • memory/3780-262-0x0000000000560000-0x0000000000DC8000-memory.dmp

              Filesize

              8.4MB

            • memory/3780-249-0x0000000000560000-0x0000000000DC8000-memory.dmp

              Filesize

              8.4MB

            • memory/3780-246-0x0000000000560000-0x0000000000DC8000-memory.dmp

              Filesize

              8.4MB

            • memory/3780-244-0x0000000000560000-0x0000000000DC8000-memory.dmp

              Filesize

              8.4MB

            • memory/3780-243-0x0000000000560000-0x0000000000DC8000-memory.dmp

              Filesize

              8.4MB

            • memory/3780-242-0x0000000000560000-0x0000000000DC8000-memory.dmp

              Filesize

              8.4MB

            • memory/3780-241-0x0000000000560000-0x0000000000DC8000-memory.dmp

              Filesize

              8.4MB

            • memory/3780-239-0x0000000000560000-0x0000000000DC8000-memory.dmp

              Filesize

              8.4MB

            • memory/5092-259-0x0000000000C50000-0x0000000001AB3000-memory.dmp

              Filesize

              14.4MB

            • memory/5092-258-0x0000000000C50000-0x0000000001AB3000-memory.dmp

              Filesize

              14.4MB