Analysis

  • max time kernel
    143s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/01/2024, 16:23

General

  • Target

    804c2fb52752597cd0fdae9838df7d08.exe

  • Size

    893KB

  • MD5

    804c2fb52752597cd0fdae9838df7d08

  • SHA1

    a5ebf568c0e7f81a5f6854ed9a690a948f804dd2

  • SHA256

    0a101b8b739c481e387e2daf5d85aaa93cf0188ff798233817e2e349b7ac1fe9

  • SHA512

    dfea22fcd622b5dd02f095e9148c68c9d135c654b1974a163253f783199895f58684b55b7994ba4e227c0f25463a1795460f97a94d3c92e421d5afe7819e6f27

  • SSDEEP

    12288:sJtPdGVDaHK7zTe++KINAeU+dy7fOhL8sCTqegHCcxvKIHWBSGm:sJYO+VluZL8sCTyHlZdH2S

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Looks up external IP address via web service 3 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).

  • Program crash 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\804c2fb52752597cd0fdae9838df7d08.exe
    "C:\Users\Admin\AppData\Local\Temp\804c2fb52752597cd0fdae9838df7d08.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3292
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BcGxjlRX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp37A5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2968
    • C:\Users\Admin\AppData\Local\Temp\804c2fb52752597cd0fdae9838df7d08.exe
      "C:\Users\Admin\AppData\Local\Temp\804c2fb52752597cd0fdae9838df7d08.exe"
      2⤵
        PID:4764
      • C:\Users\Admin\AppData\Local\Temp\804c2fb52752597cd0fdae9838df7d08.exe
        "C:\Users\Admin\AppData\Local\Temp\804c2fb52752597cd0fdae9838df7d08.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2804
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 1828
          3⤵
          • Program crash
          PID:3636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2804 -ip 2804
      1⤵
        PID:2644

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\804c2fb52752597cd0fdae9838df7d08.exe.log

              Filesize

              1KB

              MD5

              17573558c4e714f606f997e5157afaac

              SHA1

              13e16e9415ceef429aaf124139671ebeca09ed23

              SHA256

              c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

              SHA512

              f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

            • C:\Users\Admin\AppData\Local\Temp\tmp37A5.tmp

              Filesize

              1KB

              MD5

              12212bb8897ac60f24eb6d66e8da2bb2

              SHA1

              fdc05833eb61327650c95849fcd90e0ce6a2d490

              SHA256

              fb15986843865f1530137c142b2a8ebe1c16fefe9f5ddcc6889125a553f4c9cb

              SHA512

              fecb0904b82a51ff7ba69127d516638367c0e4d1d5cb75c33b9b9bfde7978d5e4393b6406c72b3a1253cfdc1da7a7cdd32ec2a235e693c8a33c7ba7b1a1cf231

            • memory/2804-24-0x0000000075070000-0x0000000075820000-memory.dmp

              Filesize

              7.7MB

            • memory/2804-23-0x0000000004EC0000-0x0000000004ED0000-memory.dmp

              Filesize

              64KB

            • memory/2804-21-0x0000000075070000-0x0000000075820000-memory.dmp

              Filesize

              7.7MB

            • memory/2804-18-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/3292-5-0x0000000005DA0000-0x0000000005DB0000-memory.dmp

              Filesize

              64KB

            • memory/3292-6-0x0000000005B20000-0x0000000005B2A000-memory.dmp

              Filesize

              40KB

            • memory/3292-8-0x0000000007550000-0x0000000007566000-memory.dmp

              Filesize

              88KB

            • memory/3292-9-0x0000000075070000-0x0000000075820000-memory.dmp

              Filesize

              7.7MB

            • memory/3292-10-0x0000000005DA0000-0x0000000005DB0000-memory.dmp

              Filesize

              64KB

            • memory/3292-11-0x0000000007980000-0x0000000007A0E000-memory.dmp

              Filesize

              568KB

            • memory/3292-12-0x000000000A010000-0x000000000A036000-memory.dmp

              Filesize

              152KB

            • memory/3292-7-0x0000000005DB0000-0x0000000005E06000-memory.dmp

              Filesize

              344KB

            • memory/3292-1-0x0000000000FA0000-0x0000000001084000-memory.dmp

              Filesize

              912KB

            • memory/3292-4-0x0000000005BC0000-0x0000000005C52000-memory.dmp

              Filesize

              584KB

            • memory/3292-22-0x0000000075070000-0x0000000075820000-memory.dmp

              Filesize

              7.7MB

            • memory/3292-3-0x00000000060D0000-0x0000000006674000-memory.dmp

              Filesize

              5.6MB

            • memory/3292-2-0x0000000005A80000-0x0000000005B1C000-memory.dmp

              Filesize

              624KB

            • memory/3292-0-0x0000000075070000-0x0000000075820000-memory.dmp

              Filesize

              7.7MB