Analysis

  • max time kernel
    141s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2023 05:00

General

  • Target

    f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

  • Size

    5.3MB

  • MD5

    990824b28b1db8f0e38bec6aebeaf1b2

  • SHA1

    75b2904f3481e5468e3076b842ff529b23e2d20b

  • SHA256

    f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063

  • SHA512

    8a8637b4c50c9f92d42a4bae02dbe8e19d7867d91a542b95916d8de88eaf1dba5e7ede0b82934d6015e90d6b355a0193bfe6a941ffbb72ba97f9ee7e59c172f8

  • SSDEEP

    98304:bz+UuR7m7n5+OPAZU+leHfQkjA1JAE5lPKn4m/V38fque1VIL:h8yn5+vZ6ALKnjyfRUI

Malware Config

Extracted

Family

vidar

Version

5.7

Botnet

348bd4740381edfdd4d5e8143ef4a08e

C2

https://steamcommunity.com/profiles/76561199553369541

https://t.me/dastanatg

Attributes
  • profile_id_v2

    348bd4740381edfdd4d5e8143ef4a08e

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_8) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.7 Safari/605.1.75

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • 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.

  • Themida packer 13 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe
    "C:\Users\Admin\AppData\Local\Temp\f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:2468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab5F22.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar600F.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • memory/2468-8-0x0000000000CA0000-0x00000000016AD000-memory.dmp

    Filesize

    10.1MB

  • memory/2468-13-0x0000000000CA0000-0x00000000016AD000-memory.dmp

    Filesize

    10.1MB

  • memory/2468-0-0x0000000000CA0000-0x00000000016AD000-memory.dmp

    Filesize

    10.1MB

  • memory/2468-9-0x0000000000CA0000-0x00000000016AD000-memory.dmp

    Filesize

    10.1MB

  • memory/2468-11-0x0000000000CA0000-0x00000000016AD000-memory.dmp

    Filesize

    10.1MB

  • memory/2468-10-0x0000000000CA0000-0x00000000016AD000-memory.dmp

    Filesize

    10.1MB

  • memory/2468-12-0x0000000000CA0000-0x00000000016AD000-memory.dmp

    Filesize

    10.1MB

  • memory/2468-7-0x0000000000CA0000-0x00000000016AD000-memory.dmp

    Filesize

    10.1MB

  • memory/2468-14-0x0000000000CA0000-0x00000000016AD000-memory.dmp

    Filesize

    10.1MB

  • memory/2468-6-0x0000000077DE0000-0x0000000077DE2000-memory.dmp

    Filesize

    8KB

  • memory/2468-1-0x0000000000CA0000-0x00000000016AD000-memory.dmp

    Filesize

    10.1MB

  • memory/2468-62-0x0000000000CA0000-0x00000000016AD000-memory.dmp

    Filesize

    10.1MB

  • memory/2468-63-0x0000000000CA0000-0x00000000016AD000-memory.dmp

    Filesize

    10.1MB

  • memory/2468-68-0x0000000000CA0000-0x00000000016AD000-memory.dmp

    Filesize

    10.1MB