Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    06-03-2022 12:26

General

  • Target

    Soft.exe

  • Size

    971KB

  • MD5

    4bfb3eec2adb1a05de60124765091e89

  • SHA1

    d2b8aa082f30309456a712784e04ef8165edd79f

  • SHA256

    9b459a76b2983ee1bc0b796e80d70f7bd564d04e9556e16256ba92d53425bf9c

  • SHA512

    6ec82b0fe33a7ef57ca4d4a75e5f07893444fa7a78d5c1770d7d61882d8902ee2b12b55d2c177c7ea12d80227a3605b29bf5a677c456224df5b6b5852a0b3e15

Malware Config

Extracted

Family

blackguard

C2

https://api.telegram.org/bot1822617155:AAF5DW4sJVsYGItkXWeX3elycmmu-6nOK8g/sendMessage?chat_id=457263385

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:732

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/732-55-0x0000000074C20000-0x000000007530E000-memory.dmp

    Filesize

    6.9MB

  • memory/732-56-0x0000000000270000-0x0000000000368000-memory.dmp

    Filesize

    992KB

  • memory/732-57-0x00000000763B1000-0x00000000763B3000-memory.dmp

    Filesize

    8KB

  • memory/732-58-0x0000000004B10000-0x0000000004B11000-memory.dmp

    Filesize

    4KB

  • memory/732-59-0x00000000051D0000-0x0000000005246000-memory.dmp

    Filesize

    472KB