Analysis

  • max time kernel
    249s
  • max time network
    333s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 17:20

General

  • Target

    tmp.exe

  • Size

    845KB

  • MD5

    cdcefe2a9534f0cd4960906e3acabc89

  • SHA1

    54505d3d097f37d94635698ccc828dd9bdf378a9

  • SHA256

    ad7e23da6a9f779b2420c7e40293aa8f54e4b04a04c2a628a9d458de5bc54c06

  • SHA512

    d8858c8d1af0873cae85bd7327da7ff5714672db8e425b5604008fc8a5477af1976aeac624bae3f8b84962e501ed8ba0f8353e346d07686c3d30bffffeb458e7

  • SSDEEP

    12288:GorqU+xLBdwu8tKPLPysUAyt/fz3/yrEI5fLja9YvPZPDdzoa1cfN:D28e0l/bKEqfL+YnZPDdEPf

Malware Config

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
        PID:1708
      • C:\Users\Admin\AppData\Local\Temp\tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1584

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1128-54-0x0000000000B40000-0x0000000000C1A000-memory.dmp
      Filesize

      872KB

    • memory/1128-55-0x0000000075FF1000-0x0000000075FF3000-memory.dmp
      Filesize

      8KB

    • memory/1128-56-0x00000000002F0000-0x0000000000306000-memory.dmp
      Filesize

      88KB

    • memory/1128-57-0x0000000000310000-0x000000000031E000-memory.dmp
      Filesize

      56KB

    • memory/1128-58-0x0000000005260000-0x00000000052E8000-memory.dmp
      Filesize

      544KB

    • memory/1128-59-0x0000000000520000-0x000000000056E000-memory.dmp
      Filesize

      312KB

    • memory/1584-60-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/1584-61-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/1584-63-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/1584-65-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/1584-66-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/1584-67-0x000000000042074E-mapping.dmp
    • memory/1584-71-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/1584-69-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB