Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-10-2023 20:03

General

  • Target

    NEAS.e3a38aeddcd6a3526af9adc0778d9c329cacbd2792969ca56556634609170207exe_JC.exe

  • Size

    853KB

  • MD5

    26da835f1bc9b3389a2f21460a923da4

  • SHA1

    160ad3ca38776ebbf41324305ea4aa38a52f7147

  • SHA256

    e3a38aeddcd6a3526af9adc0778d9c329cacbd2792969ca56556634609170207

  • SHA512

    88417f839eb4809533ab30b8eee6da68be2aa2806f06ba62bba7a408345655f36b0e284322360f2409fed059de466238b5eaa48d1f62db44bde69cacaa381f3f

  • SSDEEP

    12288:VY2fYXXL4VLICxUUINZQlXOxMV04WLSqS/Qrcpr:3jxUUIXQIxI97tJ

Malware Config

Extracted

Family

snakekeylogger

Credentials

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.e3a38aeddcd6a3526af9adc0778d9c329cacbd2792969ca56556634609170207exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.e3a38aeddcd6a3526af9adc0778d9c329cacbd2792969ca56556634609170207exe_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4504
    • C:\Users\Admin\AppData\Local\Temp\NEAS.e3a38aeddcd6a3526af9adc0778d9c329cacbd2792969ca56556634609170207exe_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.e3a38aeddcd6a3526af9adc0778d9c329cacbd2792969ca56556634609170207exe_JC.exe"
      2⤵
        PID:2900
      • C:\Users\Admin\AppData\Local\Temp\NEAS.e3a38aeddcd6a3526af9adc0778d9c329cacbd2792969ca56556634609170207exe_JC.exe
        "C:\Users\Admin\AppData\Local\Temp\NEAS.e3a38aeddcd6a3526af9adc0778d9c329cacbd2792969ca56556634609170207exe_JC.exe"
        2⤵
          PID:3136
        • C:\Users\Admin\AppData\Local\Temp\NEAS.e3a38aeddcd6a3526af9adc0778d9c329cacbd2792969ca56556634609170207exe_JC.exe
          "C:\Users\Admin\AppData\Local\Temp\NEAS.e3a38aeddcd6a3526af9adc0778d9c329cacbd2792969ca56556634609170207exe_JC.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:2812

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEAS.e3a38aeddcd6a3526af9adc0778d9c329cacbd2792969ca56556634609170207exe_JC.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/2812-13-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2812-22-0x00000000035C0000-0x00000000035D0000-memory.dmp

        Filesize

        64KB

      • memory/2812-21-0x0000000074470000-0x0000000074C20000-memory.dmp

        Filesize

        7.7MB

      • memory/2812-20-0x0000000006E40000-0x0000000007002000-memory.dmp

        Filesize

        1.8MB

      • memory/2812-19-0x0000000006C20000-0x0000000006C70000-memory.dmp

        Filesize

        320KB

      • memory/2812-18-0x00000000035C0000-0x00000000035D0000-memory.dmp

        Filesize

        64KB

      • memory/2812-16-0x0000000074470000-0x0000000074C20000-memory.dmp

        Filesize

        7.7MB

      • memory/4504-10-0x0000000006820000-0x0000000006830000-memory.dmp

        Filesize

        64KB

      • memory/4504-17-0x0000000074470000-0x0000000074C20000-memory.dmp

        Filesize

        7.7MB

      • memory/4504-0-0x00000000004A0000-0x000000000057C000-memory.dmp

        Filesize

        880KB

      • memory/4504-11-0x0000000007E30000-0x0000000007E92000-memory.dmp

        Filesize

        392KB

      • memory/4504-12-0x000000000A590000-0x000000000A62C000-memory.dmp

        Filesize

        624KB

      • memory/4504-8-0x0000000005230000-0x0000000005240000-memory.dmp

        Filesize

        64KB

      • memory/4504-7-0x0000000074470000-0x0000000074C20000-memory.dmp

        Filesize

        7.7MB

      • memory/4504-9-0x0000000006810000-0x000000000681C000-memory.dmp

        Filesize

        48KB

      • memory/4504-6-0x00000000064F0000-0x000000000650E000-memory.dmp

        Filesize

        120KB

      • memory/4504-5-0x0000000005010000-0x000000000501A000-memory.dmp

        Filesize

        40KB

      • memory/4504-4-0x0000000005230000-0x0000000005240000-memory.dmp

        Filesize

        64KB

      • memory/4504-3-0x0000000004F50000-0x0000000004FE2000-memory.dmp

        Filesize

        584KB

      • memory/4504-2-0x00000000055F0000-0x0000000005B94000-memory.dmp

        Filesize

        5.6MB

      • memory/4504-1-0x0000000074470000-0x0000000074C20000-memory.dmp

        Filesize

        7.7MB