Analysis

  • max time kernel
    0s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 05:45

General

  • Target

    2a851d7c8be29c5fc3bcd30329956ffe.exe

  • Size

    62KB

  • MD5

    2a851d7c8be29c5fc3bcd30329956ffe

  • SHA1

    b33309e99079b063c8b4713246a5fc1f503ed3f1

  • SHA256

    8b1c2384d904f25a64d3f35a84aa6e2e4cafa6cbba168e02a08741d6ddab9e7b

  • SHA512

    443520245605686acbf43c9364a83752d7ab2679c7f0d351816036eec12c95d0b765fc0bb22846ff9e29150992180e5773cf1d675ee66b82d2f806bc83d12b9e

  • SSDEEP

    768:VnbyqCXfVtfAD8TJWn0u7sANI4svYLDwUzc80gmq3oP/oDh:VnbEAD6WnzsAxfr/0O8/ol

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a851d7c8be29c5fc3bcd30329956ffe.exe
    "C:\Users\Admin\AppData\Local\Temp\2a851d7c8be29c5fc3bcd30329956ffe.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3864
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1072
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 2216
      2⤵
      • Program crash
      PID:3344
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 1976
      2⤵
      • Program crash
      PID:4700
  • C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4768
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3864 -ip 3864
    1⤵
      PID:2156
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3864 -ip 3864
      1⤵
        PID:1140

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3864-1-0x00000000746A0000-0x0000000074E50000-memory.dmp

        Filesize

        7.7MB

      • memory/3864-3-0x00000000056F0000-0x0000000005782000-memory.dmp

        Filesize

        584KB

      • memory/3864-4-0x0000000005A70000-0x0000000005A80000-memory.dmp

        Filesize

        64KB

      • memory/3864-2-0x0000000005BC0000-0x0000000006164000-memory.dmp

        Filesize

        5.6MB

      • memory/3864-0-0x0000000000E10000-0x0000000000E26000-memory.dmp

        Filesize

        88KB

      • memory/3864-5-0x00000000746A0000-0x0000000074E50000-memory.dmp

        Filesize

        7.7MB

      • memory/3864-6-0x0000000005A70000-0x0000000005A80000-memory.dmp

        Filesize

        64KB

      • memory/3864-88-0x0000000006410000-0x000000000641A000-memory.dmp

        Filesize

        40KB

      • memory/3864-89-0x00000000746A0000-0x0000000074E50000-memory.dmp

        Filesize

        7.7MB