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Analysis

  • max time kernel
    161s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/04/2023, 00:31

General

  • Target

    4b7e84a26c4405d2a704a3d881a0699f631dd59788f0a13f18cd7eecb9edf1a0.exe

  • Size

    473KB

  • MD5

    53034a726f8eda04a0a7e8e4ab0cbb2b

  • SHA1

    fd2c47d7f99b5f32518b2f29e27f7410c3313bdd

  • SHA256

    4b7e84a26c4405d2a704a3d881a0699f631dd59788f0a13f18cd7eecb9edf1a0

  • SHA512

    efa469c2cdf72f57167490317ec4e09e8acdaee997468e843302a70c2e5511ef1b7098133d14a01fe008eb6a06f27d4da4532596b692e5764536fa77fbd7ea38

  • SSDEEP

    6144:Y7r6OgqBI0xD99qHyVKxJGJeIB184PUThU0NwjJFJdhaVc5mz0k:Y7OOgqBtTcygIWTm3JXyc5mz0k

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 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.

  • 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).

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • GoLang User-Agent 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b7e84a26c4405d2a704a3d881a0699f631dd59788f0a13f18cd7eecb9edf1a0.exe
    "C:\Users\Admin\AppData\Local\Temp\4b7e84a26c4405d2a704a3d881a0699f631dd59788f0a13f18cd7eecb9edf1a0.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\ProgramData\20461402376215021028.exe
      "C:\ProgramData\20461402376215021028.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:4548
      • 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:2428

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\20461402376215021028.exe

    Filesize

    3.5MB

    MD5

    f5548281bcdcec5c1d151d3417412042

    SHA1

    be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792

    SHA256

    3469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac

    SHA512

    387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c

  • C:\ProgramData\20461402376215021028.exe

    Filesize

    3.5MB

    MD5

    f5548281bcdcec5c1d151d3417412042

    SHA1

    be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792

    SHA256

    3469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac

    SHA512

    387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c

  • C:\ProgramData\20461402376215021028.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

    219.1MB

    MD5

    dbae8f53460195fc9d2001f60acb0fa7

    SHA1

    9ffe705b85c5900eedf0ef53057d943b533328ef

    SHA256

    395981469dabe1ddc95ccf2396d9bb0cc0a3044eef85c39fce3ba7607e3ac4dd

    SHA512

    14c7565a06b21304d74c20b943a721a859c64c02232a27c779510565e15a77fc2c17a0284b350b979ca1fbcf50635e843356be14ec07e84a117a91d728caa0e9

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

    Filesize

    226.2MB

    MD5

    11516f2250aff002bcabfa93ed7a9988

    SHA1

    8e444de346fe296ddfce9b886527a9ab5b56856f

    SHA256

    e26882019e6aae1ea0e4a705be314b64770d93be6266903fd10cd40b731c8ec7

    SHA512

    304bf9833d345f6033e75e27a8ef6386420c907c03ce41249169274165a4c45868a2b40e144e5f2033f769175145a6d18409e2c7dff934a3d1672d7b5c910be0

  • memory/1232-144-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1232-175-0x0000000000400000-0x000000000081C000-memory.dmp

    Filesize

    4.1MB

  • memory/1232-221-0x0000000000400000-0x000000000081C000-memory.dmp

    Filesize

    4.1MB

  • memory/1232-134-0x0000000002590000-0x00000000025ED000-memory.dmp

    Filesize

    372KB

  • memory/2428-258-0x0000000000590000-0x0000000000DF8000-memory.dmp

    Filesize

    8.4MB

  • memory/2428-259-0x0000000000590000-0x0000000000DF8000-memory.dmp

    Filesize

    8.4MB

  • memory/2428-268-0x0000000000590000-0x0000000000DF8000-memory.dmp

    Filesize

    8.4MB

  • memory/2428-265-0x0000000000590000-0x0000000000DF8000-memory.dmp

    Filesize

    8.4MB

  • memory/2428-264-0x0000000000590000-0x0000000000DF8000-memory.dmp

    Filesize

    8.4MB

  • memory/2428-263-0x0000000000590000-0x0000000000DF8000-memory.dmp

    Filesize

    8.4MB

  • memory/2428-262-0x0000000000590000-0x0000000000DF8000-memory.dmp

    Filesize

    8.4MB

  • memory/2428-260-0x0000000000590000-0x0000000000DF8000-memory.dmp

    Filesize

    8.4MB

  • memory/4548-248-0x0000000000AA0000-0x0000000001308000-memory.dmp

    Filesize

    8.4MB

  • memory/4548-242-0x0000000000AA0000-0x0000000001308000-memory.dmp

    Filesize

    8.4MB

  • memory/4548-241-0x0000000000AA0000-0x0000000001308000-memory.dmp

    Filesize

    8.4MB

  • memory/4548-254-0x0000000000AA0000-0x0000000001308000-memory.dmp

    Filesize

    8.4MB

  • memory/4548-243-0x0000000000AA0000-0x0000000001308000-memory.dmp

    Filesize

    8.4MB

  • memory/4548-251-0x0000000000AA0000-0x0000000001308000-memory.dmp

    Filesize

    8.4MB

  • memory/4548-244-0x0000000000AA0000-0x0000000001308000-memory.dmp

    Filesize

    8.4MB

  • memory/4548-247-0x0000000000AA0000-0x0000000001308000-memory.dmp

    Filesize

    8.4MB

  • memory/4548-246-0x0000000000AA0000-0x0000000001308000-memory.dmp

    Filesize

    8.4MB

  • memory/4548-245-0x0000000000AA0000-0x0000000001308000-memory.dmp

    Filesize

    8.4MB