Analysis

  • max time kernel
    120s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-11-2024 01:40

General

  • Target

    Litever01.exe

  • Size

    502KB

  • MD5

    bca995c0fd475fb09fb7988cb876c795

  • SHA1

    0f8776b9a5b3daedcc314fa283172697dee4cf8d

  • SHA256

    659895bb642f43854043053d386b987c63db7e615d827dbc41866ac0371ab92d

  • SHA512

    94387589151f5dc774aaf981988c8f6b568e8373158ce79b5da370594a6f67f18c5b90547da62db70a808a9756fc318eeb3cd6df9b87495bfde379a46e2699df

  • SSDEEP

    12288:+Ircrb5sQow2/ZswWmTV9LSuxlrwvAsP4BmHc:+mQb5gnZswWmTbLnxyvpP6

Malware Config

Extracted

Family

vidar

Version

40.1

Botnet

933

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    933

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Vidar Stealer 5 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Litever01.exe
    "C:\Users\Admin\AppData\Local\Temp\Litever01.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 872
      2⤵
      • Program crash
      PID:2620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarBEE1.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2264-1-0x0000000001E80000-0x0000000001F80000-memory.dmp

    Filesize

    1024KB

  • memory/2264-2-0x00000000002E0000-0x000000000037D000-memory.dmp

    Filesize

    628KB

  • memory/2264-3-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/2264-4-0x0000000001E80000-0x0000000001F80000-memory.dmp

    Filesize

    1024KB

  • memory/2264-58-0x00000000002E0000-0x000000000037D000-memory.dmp

    Filesize

    628KB

  • memory/2264-60-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/2264-59-0x0000000000400000-0x0000000001DCA000-memory.dmp

    Filesize

    25.8MB

  • memory/2264-62-0x0000000001E80000-0x0000000001F80000-memory.dmp

    Filesize

    1024KB