Analysis

  • max time kernel
    105s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-12-2024 13:33

General

  • Target

    ef0370c80915653fe001b5c9682bde37_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    ef0370c80915653fe001b5c9682bde37

  • SHA1

    98d60720102caa4e52ba46ef79e6006484908fe4

  • SHA256

    40480036363a57a125f0ba8d78005327b8e3f7d496d486961e75bf67089034bc

  • SHA512

    32e37902ef53f5ba1d7c274a4ff03693d94a5504f4396ae143e90c5cd124b989a62ce3df2c738f0f7ff62350df8d3d3cc5467b6025d032411ee054ab7d29e72d

  • SSDEEP

    24576:F1Eb+vbxtTlUfP4fzFmVzDrltuJWqqnL0FChMy14Fu/xNiXkrQV7CVhPL+MMXF3W:F1Ufr

Malware Config

Extracted

Family

vidar

Version

40

Botnet

921

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    921

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Vidar Stealer 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef0370c80915653fe001b5c9682bde37_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ef0370c80915653fe001b5c9682bde37_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3228
    • C:\Users\Admin\AppData\Local\Temp\ef0370c80915653fe001b5c9682bde37_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\ef0370c80915653fe001b5c9682bde37_JaffaCakes118.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1956
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1352
        3⤵
        • Program crash
        PID:1436
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1956 -ip 1956
    1⤵
      PID:2820

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1956-10-0x0000000000400000-0x00000000004A1000-memory.dmp

      Filesize

      644KB

    • memory/1956-16-0x0000000000400000-0x00000000004A1000-memory.dmp

      Filesize

      644KB

    • memory/1956-14-0x0000000000400000-0x00000000004A1000-memory.dmp

      Filesize

      644KB

    • memory/1956-13-0x0000000000400000-0x00000000004A1000-memory.dmp

      Filesize

      644KB

    • memory/1956-11-0x0000000000400000-0x00000000004A1000-memory.dmp

      Filesize

      644KB

    • memory/3228-4-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3228-6-0x0000000005D30000-0x000000000625C000-memory.dmp

      Filesize

      5.2MB

    • memory/3228-7-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

      Filesize

      4KB

    • memory/3228-8-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3228-9-0x0000000004FF0000-0x0000000005012000-memory.dmp

      Filesize

      136KB

    • memory/3228-5-0x0000000004D20000-0x0000000004D2A000-memory.dmp

      Filesize

      40KB

    • memory/3228-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

      Filesize

      4KB

    • memory/3228-3-0x0000000004D40000-0x0000000004DD2000-memory.dmp

      Filesize

      584KB

    • memory/3228-2-0x0000000005250000-0x00000000057F4000-memory.dmp

      Filesize

      5.6MB

    • memory/3228-15-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3228-1-0x0000000000200000-0x000000000034C000-memory.dmp

      Filesize

      1.3MB