Analysis

  • max time kernel
    71s
  • max time network
    124s
  • 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 11:12

General

  • Target

    ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe

  • Size

    682KB

  • MD5

    31c0fb555469b0836b447b2e71c8fd74

  • SHA1

    85a52ac681c856927403114207455b1cc42d38a0

  • SHA256

    ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286

  • SHA512

    7d549ef196dbb3701c4c4b83ef6a7b7e455ebc45d00037e399f5cf44a3909bd12ca21aee5bc07dbd96a5df2a50b39004e342840e2527349eba9cbb5e6f08d473

  • SSDEEP

    12288:361tZZr9L7kX0F1CEgkEXQwko3b2VvRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRs:361tZL3kY0EgnXQOL

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.product-secured.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    575K5(MaZro2575K5(MaZro2

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.product-secured.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    575K5(MaZro2575K5(MaZro2

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Executes dropped EXE 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
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Users\Admin\AppData\Local\Temp\ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4812
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
      2⤵
        PID:556
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2836
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
          3⤵
          • Creates scheduled task(s)
          PID:2232
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
        2⤵
          PID:3636
      • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
        C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
        1⤵
        • Executes dropped EXE
        PID:4724

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

        Filesize

        682KB

        MD5

        31c0fb555469b0836b447b2e71c8fd74

        SHA1

        85a52ac681c856927403114207455b1cc42d38a0

        SHA256

        ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286

        SHA512

        7d549ef196dbb3701c4c4b83ef6a7b7e455ebc45d00037e399f5cf44a3909bd12ca21aee5bc07dbd96a5df2a50b39004e342840e2527349eba9cbb5e6f08d473

      • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

        Filesize

        682KB

        MD5

        31c0fb555469b0836b447b2e71c8fd74

        SHA1

        85a52ac681c856927403114207455b1cc42d38a0

        SHA256

        ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286

        SHA512

        7d549ef196dbb3701c4c4b83ef6a7b7e455ebc45d00037e399f5cf44a3909bd12ca21aee5bc07dbd96a5df2a50b39004e342840e2527349eba9cbb5e6f08d473

      • memory/2944-12-0x0000000075390000-0x0000000075B40000-memory.dmp

        Filesize

        7.7MB

      • memory/2944-1-0x0000000075390000-0x0000000075B40000-memory.dmp

        Filesize

        7.7MB

      • memory/2944-2-0x0000000005500000-0x0000000005AA4000-memory.dmp

        Filesize

        5.6MB

      • memory/2944-3-0x0000000075390000-0x0000000075B40000-memory.dmp

        Filesize

        7.7MB

      • memory/2944-4-0x0000000004F40000-0x0000000004F50000-memory.dmp

        Filesize

        64KB

      • memory/2944-5-0x0000000004F40000-0x0000000004F50000-memory.dmp

        Filesize

        64KB

      • memory/2944-6-0x0000000004F00000-0x0000000004F44000-memory.dmp

        Filesize

        272KB

      • memory/2944-0-0x0000000000540000-0x00000000005F0000-memory.dmp

        Filesize

        704KB

      • memory/4812-8-0x0000000075390000-0x0000000075B40000-memory.dmp

        Filesize

        7.7MB

      • memory/4812-11-0x0000000004F80000-0x0000000004F90000-memory.dmp

        Filesize

        64KB

      • memory/4812-15-0x0000000006170000-0x00000000061C0000-memory.dmp

        Filesize

        320KB

      • memory/4812-16-0x0000000006390000-0x0000000006552000-memory.dmp

        Filesize

        1.8MB

      • memory/4812-17-0x0000000006560000-0x00000000065F2000-memory.dmp

        Filesize

        584KB

      • memory/4812-18-0x0000000075390000-0x0000000075B40000-memory.dmp

        Filesize

        7.7MB

      • memory/4812-19-0x0000000004F80000-0x0000000004F90000-memory.dmp

        Filesize

        64KB

      • memory/4812-9-0x0000000004FC0000-0x000000000505C000-memory.dmp

        Filesize

        624KB

      • memory/4812-7-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB