Analysis

  • max time kernel
    4294180s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    06-03-2022 12:24

General

  • Target

    Soft.exe

  • Size

    971KB

  • MD5

    7e9556a873f120b93aced165179f98a7

  • SHA1

    b695e29ac63fd6cc3f21c99f0475934abc6c26c8

  • SHA256

    bac6c21248d28323222b888c176062e52ec0f486c7238e9d68ac60cb31e24207

  • SHA512

    f580db12fc266791c5f4f35196114549497f5f9f0c2a7b84ad1dfd8b5a77c54e9f8e9ba26d36ca4dd323fdedb0495ce3dda3860de5c46d7d14f1f69ecea06ff8

Malware Config

Extracted

Family

blackguard

C2

https://api.telegram.org/bot1840568117:AAGlvKQeSfXkObSE7__yYc5jM9o8qSrkFUw/sendMessage?chat_id=1039923904

Signatures

  • BlackGuard

    Infostealer first seen in Late 2021.

  • Reads user/profile data of web browsers 2 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Soft.exe
    "C:\Users\Admin\AppData\Local\Temp\Soft.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1784

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1784-54-0x00000000001D0000-0x00000000002C8000-memory.dmp

    Filesize

    992KB

  • memory/1784-55-0x0000000075251000-0x0000000075253000-memory.dmp

    Filesize

    8KB

  • memory/1784-56-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/1784-57-0x0000000004950000-0x0000000004951000-memory.dmp

    Filesize

    4KB

  • memory/1784-58-0x0000000005760000-0x00000000057D6000-memory.dmp

    Filesize

    472KB