Analysis

  • max time kernel
    77s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-10-2024 10:18

General

  • Target

    Set-up.exe

  • Size

    783.3MB

  • MD5

    84786aa8d74cf20057745a525b8c4b02

  • SHA1

    6f10a5fd181a40c7513b7aa24de325c6526160c5

  • SHA256

    76bf839d015ba153e7500d158cad90f76c2796185170986df83210a3d3cd30f2

  • SHA512

    2a68353cf0c46bc568f782879792538864982f2ad44b46dd8d65efde5d21c2418cca810db19abc879814e8fccadc0144d72cff2184f7073c648d4f4ff5107d24

  • SSDEEP

    98304:BzBHzTgecsYM4BFL4zAFy3AUCbw1jYGFGOWnWKuOkT8yrlm/flRi1Ek+JiOjoOcx:B9AeF54BK3NiKjY3pyxm/u1EK

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

bed60e7985fadd893545d14f20bd7015

C2

https://steamcommunity.com/profiles/76561199786602107

https://t.me/lpnjoke

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

  • Detect Vidar Stealer 5 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Loads dropped DLL 2 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 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • 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.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Set-up.exe
    "C:\Users\Admin\AppData\Local\Temp\Set-up.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IJEGHJECFCFC" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2816
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 10
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    e4c1aeef2e311ba67d60183cf37f72a9

    SHA1

    f9272f6e98746ebdf4a125db860f51dc65426608

    SHA256

    33e7402ec625b9b890b3258fc1af4fc7e3dc2c928a02e43453f7dfe4606e8a2b

    SHA512

    7d6e9a49601c6a28b313982acb82e6a8738181a39ae10e7a746cdacce3edb073c393868ba423c1a4c2e964b71d369a13a382d25ef1de88a450d026c600d2138a

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    b4d6a44c55a57fe89a0b2ba95e72e335

    SHA1

    ab23e534ebead5cd1bf89072a2bc24b03258c2f6

    SHA256

    c35755373b1fefd4bba8a2ebf5d45b808e97f8b3a512fc809d658de34ec0fb67

    SHA512

    a324e4ae65be84f4d395aa20851e79b12b354767e30d1739fab48ffdfc5029d68f01e8d0bea61e8ea9531c864070574a0e95e952aecda962b5343c407ef0e55c

  • C:\Users\Admin\AppData\Local\Temp\CabB35A.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarB38C.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/2316-29-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/2316-19-0x0000000000110000-0x0000000000111000-memory.dmp

    Filesize

    4KB

  • memory/2316-14-0x0000000000100000-0x0000000000101000-memory.dmp

    Filesize

    4KB

  • memory/2316-31-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/2316-36-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2316-37-0x0000000000A80000-0x0000000001694000-memory.dmp

    Filesize

    12.1MB

  • memory/2316-41-0x0000000000A80000-0x0000000001694000-memory.dmp

    Filesize

    12.1MB

  • memory/2316-34-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2316-32-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2316-0-0x0000000000A80000-0x0000000001694000-memory.dmp

    Filesize

    12.1MB

  • memory/2316-26-0x00000000001A0000-0x00000000001A1000-memory.dmp

    Filesize

    4KB

  • memory/2316-24-0x00000000001A0000-0x00000000001A1000-memory.dmp

    Filesize

    4KB

  • memory/2316-21-0x0000000000110000-0x0000000000111000-memory.dmp

    Filesize

    4KB

  • memory/2316-16-0x0000000000100000-0x0000000000101000-memory.dmp

    Filesize

    4KB

  • memory/2316-42-0x0000000000A80000-0x0000000001694000-memory.dmp

    Filesize

    12.1MB

  • memory/2316-1-0x00000000000E0000-0x00000000000E1000-memory.dmp

    Filesize

    4KB

  • memory/2316-3-0x00000000000E0000-0x00000000000E1000-memory.dmp

    Filesize

    4KB

  • memory/2316-181-0x0000000000CF0000-0x0000000001088000-memory.dmp

    Filesize

    3.6MB

  • memory/2316-200-0x0000000000A80000-0x0000000001694000-memory.dmp

    Filesize

    12.1MB

  • memory/2316-219-0x0000000035F50000-0x00000000361AF000-memory.dmp

    Filesize

    2.4MB

  • memory/2316-5-0x00000000000E0000-0x00000000000E1000-memory.dmp

    Filesize

    4KB

  • memory/2316-6-0x0000000000CF0000-0x0000000001088000-memory.dmp

    Filesize

    3.6MB

  • memory/2316-7-0x00000000000F0000-0x00000000000F1000-memory.dmp

    Filesize

    4KB

  • memory/2316-9-0x00000000000F0000-0x00000000000F1000-memory.dmp

    Filesize

    4KB

  • memory/2316-11-0x00000000000F0000-0x00000000000F1000-memory.dmp

    Filesize

    4KB

  • memory/2316-618-0x0000000000A80000-0x0000000001694000-memory.dmp

    Filesize

    12.1MB

  • memory/2316-619-0x0000000000CF0000-0x0000000001088000-memory.dmp

    Filesize

    3.6MB