Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-01-2025 14:54

General

  • Target

    v2.exe

  • Size

    271KB

  • MD5

    3f62213d184b639a0a62bcb1e65370a8

  • SHA1

    bbf50b3c683550684cdb345d348e98fbe2fcafe0

  • SHA256

    c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34

  • SHA512

    0cd40d714e6a6ebd60cc0c8b0e339905a5f1198a474a531b1794fb562f27053f118718cc68b9652fef3411906f9d8ad22d0253af256fa1922133e9907298e803

  • SSDEEP

    6144:qmYKJMVRp9hnmy0UYU9B93YUnLbB62X3Rb36h3YQ:ZJ0Rp9hzL82ghIQ

Malware Config

Extracted

Family

blackguard

C2

https://api.telegram.org/bot6540906397:AAG08fPgT-V7I17vtz49STaZEuwqXqKshuM/sendMessage?chat_id=5445185021

Signatures

  • BlackGuard

    Infostealer first seen in Late 2021.

  • Blackguard family
  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\v2.exe
    "C:\Users\Admin\AppData\Local\Temp\v2.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 704
      2⤵
      • Program crash
      PID:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\NRyXPAJOTIY.Admin\Browsers\Firefox\Bookmarks.txt

    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

  • memory/2656-0-0x000000007470E000-0x000000007470F000-memory.dmp

    Filesize

    4KB

  • memory/2656-1-0x0000000001360000-0x00000000013AA000-memory.dmp

    Filesize

    296KB

  • memory/2656-4-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2656-65-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB