Analysis

  • max time kernel
    71s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    06-07-2022 15:50

General

  • Target

    Inquiry.exe

  • Size

    437KB

  • MD5

    6174562112d67ef7cb82e655a19338d8

  • SHA1

    fe55489f2dbb6ac1372d8e8edde0c45c9d59456d

  • SHA256

    c271dfd86bd75855555cfddd1be5944d760355820f7f0f88389e504630821206

  • SHA512

    a946fddb7bf2283751c985bafaee23cdaa1962d8c886eb22ed8af5ea8e027a357a31c120c4853db4e70cc8bf0e73296ac98dfc180b935b8d452cdeddeb2756f6

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.ru
  • Port:
    587
  • Username:
    office.chika@mail.ru
  • Password:
    waQRCNyqaCK7UxnSpzkH
  • Email To:
    office.chika@mail.ru

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger Payload 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Inquiry.exe
    "C:\Users\Admin\AppData\Local\Temp\Inquiry.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1472
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1528

Network

MITRE ATT&CK Matrix ATT&CK v6

Collection

Email Collection

1
T1114

Replay Monitor

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Downloads

  • memory/1472-130-0x0000000000460000-0x00000000004D4000-memory.dmp
    Filesize

    464KB

  • memory/1472-131-0x0000000005C10000-0x00000000061B4000-memory.dmp
    Filesize

    5.6MB

  • memory/1472-132-0x0000000005570000-0x000000000560C000-memory.dmp
    Filesize

    624KB

  • memory/1472-133-0x000000000C0B0000-0x000000000C142000-memory.dmp
    Filesize

    584KB

  • memory/1472-134-0x000000000C360000-0x000000000C36A000-memory.dmp
    Filesize

    40KB

  • memory/1528-135-0x0000000000000000-mapping.dmp
  • memory/1528-136-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1528-137-0x0000000006630000-0x00000000067F2000-memory.dmp
    Filesize

    1.8MB