Analysis

  • max time kernel
    104s
  • max time network
    96s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    03/04/2023, 12:23

General

  • Target
    DHL-AWB.exe
  • Size 683KB
  • Sample230403-pkgjnsef28
  • SHA256 d1a3a5f08d4e2b628880dc9982113a3c502ac26d377b0e7aa527cae7fe67a2d5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://api.telegram.org/bot5830295968:AAFBRUyMVqMJG31ucaTPOD0EwQdJVbJGSoc/sendMessage?chat_id=6163418482

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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YQqEOz.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1160
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YQqEOz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5513.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1628
    • C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1744

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        tmp5513.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp5513.tmp
        • Size 1KB
        • SHA256 99f56ee0d2c409551df349db829af4be27f65270f37385e179b07d649002eb2a
        • MD5 SHA1 SHA512

        memory/1160-80-0x00000000027A0000-0x00000000027E0000-memory.dmp

        memory/1308-54-0x00000000000C0000-0x0000000000170000-memory.dmp

        memory/1308-55-0x0000000000370000-0x00000000003B0000-memory.dmp

        memory/1308-56-0x00000000003B0000-0x00000000003C4000-memory.dmp

        memory/1308-57-0x0000000000370000-0x00000000003B0000-memory.dmp

        memory/1308-58-0x00000000004C0000-0x00000000004CC000-memory.dmp

        memory/1308-59-0x0000000005EC0000-0x0000000005F2E000-memory.dmp

        memory/1308-65-0x0000000002090000-0x0000000002096000-memory.dmp

        memory/1308-66-0x0000000004A20000-0x0000000004A48000-memory.dmp

        memory/1744-68-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1744-69-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1744-70-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1744-71-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/1744-72-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1744-74-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1744-76-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1744-79-0x00000000048F0000-0x0000000004930000-memory.dmp

        memory/1744-67-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1744-81-0x00000000048F0000-0x0000000004930000-memory.dmp