Analysis

  • max time kernel
    123s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2023 15:22

General

  • Target

    5Z3G5eSzzXsNUeS.exe

  • Size

    626KB

  • MD5

    64d90715da693eebdd2bb41de45a6c64

  • SHA1

    0d3fcfe3a6a4ff96027d5bbb4c9cb1d6e6312ca0

  • SHA256

    acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856

  • SHA512

    db984fb74269a267ec97b633b86e4ca004d0344fd9e7cc205ac92aab62bb4bf9d7c007a9e8fb031aba259009f9a6142bb3ed0e360a5d2aa6af8244c7304b349d

  • SSDEEP

    12288:uG0WWObWmOx35tiBPz03A2Ku2RbPU4FUsPTlmfn5sCLbszB4HslTnW:W4DQi903YbPU4UsBmGC/GlTn

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1tcl.com
  • Port:
    25
  • Username:
    [email protected]
  • Password:
    RRa*ysS8

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 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 4 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\5Z3G5eSzzXsNUeS.exe
    "C:\Users\Admin\AppData\Local\Temp\5Z3G5eSzzXsNUeS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4296
    • C:\Users\Admin\AppData\Local\Temp\5Z3G5eSzzXsNUeS.exe
      "C:\Users\Admin\AppData\Local\Temp\5Z3G5eSzzXsNUeS.exe"
      2⤵
        PID:1872
      • C:\Users\Admin\AppData\Local\Temp\5Z3G5eSzzXsNUeS.exe
        "C:\Users\Admin\AppData\Local\Temp\5Z3G5eSzzXsNUeS.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4708

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4296-10-0x00000000062A0000-0x00000000062FE000-memory.dmp

      Filesize

      376KB

    • memory/4296-15-0x0000000074D70000-0x0000000075520000-memory.dmp

      Filesize

      7.7MB

    • memory/4296-2-0x0000000005970000-0x0000000005F14000-memory.dmp

      Filesize

      5.6MB

    • memory/4296-3-0x00000000053C0000-0x0000000005452000-memory.dmp

      Filesize

      584KB

    • memory/4296-4-0x00000000055F0000-0x0000000005600000-memory.dmp

      Filesize

      64KB

    • memory/4296-5-0x0000000005330000-0x000000000533A000-memory.dmp

      Filesize

      40KB

    • memory/4296-6-0x0000000005320000-0x0000000005334000-memory.dmp

      Filesize

      80KB

    • memory/4296-0-0x0000000074D70000-0x0000000075520000-memory.dmp

      Filesize

      7.7MB

    • memory/4296-8-0x00000000055F0000-0x0000000005600000-memory.dmp

      Filesize

      64KB

    • memory/4296-1-0x00000000008A0000-0x0000000000942000-memory.dmp

      Filesize

      648KB

    • memory/4296-7-0x0000000074D70000-0x0000000075520000-memory.dmp

      Filesize

      7.7MB

    • memory/4296-11-0x00000000075E0000-0x000000000767C000-memory.dmp

      Filesize

      624KB

    • memory/4296-9-0x00000000053A0000-0x00000000053AC000-memory.dmp

      Filesize

      48KB

    • memory/4708-18-0x00000000064C0000-0x0000000006682000-memory.dmp

      Filesize

      1.8MB

    • memory/4708-14-0x0000000074D70000-0x0000000075520000-memory.dmp

      Filesize

      7.7MB

    • memory/4708-16-0x0000000004EF0000-0x0000000004F00000-memory.dmp

      Filesize

      64KB

    • memory/4708-17-0x00000000062A0000-0x00000000062F0000-memory.dmp

      Filesize

      320KB

    • memory/4708-12-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/4708-19-0x0000000074D70000-0x0000000075520000-memory.dmp

      Filesize

      7.7MB

    • memory/4708-20-0x0000000004EF0000-0x0000000004F00000-memory.dmp

      Filesize

      64KB