Analysis

  • max time kernel
    138s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2023 22:28

General

  • Target

    fde758d52b541296b4a6f68c65332fb1ae491b7d92723faafd252b3f46d9c948.exe

  • Size

    686KB

  • MD5

    5a663a122c4d05a04fbe40571d2271aa

  • SHA1

    f0e47c9a3b2bda06c706cb680f6f2efadb201520

  • SHA256

    fde758d52b541296b4a6f68c65332fb1ae491b7d92723faafd252b3f46d9c948

  • SHA512

    a421723519a558abad954c13be517a3ec3ff945c197c7715c6b1746a7dd54a436a2846a2334651f4bfe19ad02c5a8a04809daa4d61e3c61d6490c5e3c7d67c06

  • SSDEEP

    12288:S0gM1iEpS4TRIBS0eVR8IwE1WqoPTvSFxU5LlbI:SiRp3T+GXDXoPTvIALlbI

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.gkas.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Gkasteknik@2022

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fde758d52b541296b4a6f68c65332fb1ae491b7d92723faafd252b3f46d9c948.exe
    "C:\Users\Admin\AppData\Local\Temp\fde758d52b541296b4a6f68c65332fb1ae491b7d92723faafd252b3f46d9c948.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3540
    • C:\Users\Admin\AppData\Local\Temp\fde758d52b541296b4a6f68c65332fb1ae491b7d92723faafd252b3f46d9c948.exe
      "C:\Users\Admin\AppData\Local\Temp\fde758d52b541296b4a6f68c65332fb1ae491b7d92723faafd252b3f46d9c948.exe"
      2⤵
        PID:1296
      • C:\Users\Admin\AppData\Local\Temp\fde758d52b541296b4a6f68c65332fb1ae491b7d92723faafd252b3f46d9c948.exe
        "C:\Users\Admin\AppData\Local\Temp\fde758d52b541296b4a6f68c65332fb1ae491b7d92723faafd252b3f46d9c948.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4032

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fde758d52b541296b4a6f68c65332fb1ae491b7d92723faafd252b3f46d9c948.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/3540-10-0x0000000074800000-0x0000000074FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3540-16-0x0000000074800000-0x0000000074FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3540-3-0x00000000053B0000-0x0000000005442000-memory.dmp

      Filesize

      584KB

    • memory/3540-4-0x00000000055B0000-0x00000000055C0000-memory.dmp

      Filesize

      64KB

    • memory/3540-5-0x0000000005550000-0x000000000555A000-memory.dmp

      Filesize

      40KB

    • memory/3540-6-0x0000000005660000-0x00000000056FC000-memory.dmp

      Filesize

      624KB

    • memory/3540-7-0x0000000005640000-0x000000000564E000-memory.dmp

      Filesize

      56KB

    • memory/3540-11-0x00000000055B0000-0x00000000055C0000-memory.dmp

      Filesize

      64KB

    • memory/3540-9-0x00000000068C0000-0x0000000006920000-memory.dmp

      Filesize

      384KB

    • memory/3540-2-0x00000000058C0000-0x0000000005E64000-memory.dmp

      Filesize

      5.6MB

    • memory/3540-8-0x0000000006670000-0x000000000667A000-memory.dmp

      Filesize

      40KB

    • memory/3540-0-0x00000000008F0000-0x00000000009A2000-memory.dmp

      Filesize

      712KB

    • memory/3540-1-0x0000000074800000-0x0000000074FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4032-19-0x0000000006B70000-0x0000000006D32000-memory.dmp

      Filesize

      1.8MB

    • memory/4032-15-0x0000000074800000-0x0000000074FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4032-17-0x0000000005A80000-0x0000000005A90000-memory.dmp

      Filesize

      64KB

    • memory/4032-18-0x0000000006950000-0x00000000069A0000-memory.dmp

      Filesize

      320KB

    • memory/4032-12-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/4032-20-0x0000000074800000-0x0000000074FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4032-21-0x0000000005A80000-0x0000000005A90000-memory.dmp

      Filesize

      64KB