Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2025 15:13

General

  • Target

    1VB7gm8.exe

  • Size

    1.7MB

  • MD5

    0f2e0a4daa819b94536f513d8bb3bfe2

  • SHA1

    4f73cec6761d425000a5586a7325378148d67861

  • SHA256

    8afc16be658f69754cc0654864ffed46c97a7558db0c39e0f2d5b870c1ff6e39

  • SHA512

    80a35414c2be58deec0f3382a8e949a979f67d4f02c2700cf0da4b857cdcc8daa6b00ce2bcc3864edb87446086fe3f547a60580449935dbad5fb5f08dda69f1b

  • SSDEEP

    49152:kvigLTTxYy9dxaAc73z4PQqLiy1jhDMBhKwnq2:kvi6hYy7YAI3ziLZA6wq

Malware Config

Signatures

  • Detect Vidar Stealer 13 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 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 behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1VB7gm8.exe
    "C:\Users\Admin\AppData\Local\Temp\1VB7gm8.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:1524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab585F.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar58A0.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1524-10-0x0000000000400000-0x000000000085E000-memory.dmp

    Filesize

    4.4MB

  • memory/1524-11-0x0000000000400000-0x000000000085E000-memory.dmp

    Filesize

    4.4MB

  • memory/1524-4-0x0000000004280000-0x0000000004281000-memory.dmp

    Filesize

    4KB

  • memory/1524-3-0x0000000004270000-0x0000000004271000-memory.dmp

    Filesize

    4KB

  • memory/1524-6-0x0000000000400000-0x000000000085E000-memory.dmp

    Filesize

    4.4MB

  • memory/1524-7-0x0000000000400000-0x000000000085E000-memory.dmp

    Filesize

    4.4MB

  • memory/1524-8-0x0000000000400000-0x000000000085E000-memory.dmp

    Filesize

    4.4MB

  • memory/1524-9-0x0000000000400000-0x000000000085E000-memory.dmp

    Filesize

    4.4MB

  • memory/1524-0-0x0000000000400000-0x000000000085E000-memory.dmp

    Filesize

    4.4MB

  • memory/1524-5-0x0000000000401000-0x000000000040F000-memory.dmp

    Filesize

    56KB

  • memory/1524-12-0x0000000000400000-0x000000000085E000-memory.dmp

    Filesize

    4.4MB

  • memory/1524-13-0x0000000000400000-0x000000000085E000-memory.dmp

    Filesize

    4.4MB

  • memory/1524-14-0x0000000000400000-0x000000000085E000-memory.dmp

    Filesize

    4.4MB

  • memory/1524-15-0x0000000000400000-0x000000000085E000-memory.dmp

    Filesize

    4.4MB

  • memory/1524-16-0x0000000000400000-0x000000000085E000-memory.dmp

    Filesize

    4.4MB

  • memory/1524-2-0x0000000004470000-0x0000000004471000-memory.dmp

    Filesize

    4KB

  • memory/1524-1-0x00000000777D0000-0x00000000777D2000-memory.dmp

    Filesize

    8KB

  • memory/1524-88-0x0000000000400000-0x000000000085E000-memory.dmp

    Filesize

    4.4MB

  • memory/1524-143-0x0000000000400000-0x000000000085E000-memory.dmp

    Filesize

    4.4MB