Analysis

  • max time kernel
    4294178s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    06-03-2022 12:25

General

  • Target

    Soft.exe

  • Size

    971KB

  • MD5

    64f7ad73e1404e00eb49c853e0aeba2e

  • SHA1

    7017b0087ebc433d1c3900517e59335241e84698

  • SHA256

    877f6bcd0f2061c42367abe8ab4fd83e4f151783466f6791399c3f7133af07f9

  • SHA512

    d76a44aec2fa2c9cba79e86a9119262aeb1833bd50b60a20844035931b40af90deedd6aa7e8862d893f6585ed204da1cb47a3056db946863f00ccd88425d6d70

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:1844

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1844-54-0x00000000001E0000-0x00000000002D8000-memory.dmp

    Filesize

    992KB

  • memory/1844-55-0x0000000075D71000-0x0000000075D73000-memory.dmp

    Filesize

    8KB

  • memory/1844-56-0x0000000074D00000-0x00000000753EE000-memory.dmp

    Filesize

    6.9MB

  • memory/1844-57-0x0000000004710000-0x0000000004711000-memory.dmp

    Filesize

    4KB

  • memory/1844-58-0x00000000052D0000-0x0000000005346000-memory.dmp

    Filesize

    472KB