Overview

overview

10

Static

static

3

5884fac3fd...b6.exe

windows7-x64

10

5884fac3fd...b6.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/01/2024, 09:00

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General

  • Target

    5884fac3fd83cb8f49032861e7b24bb6.exe

  • Size

    80KB

  • MD5

    5884fac3fd83cb8f49032861e7b24bb6

  • SHA1

    33279856301e3c0afb5e19f8263f2d8ca6582251

  • SHA256

    e290a1fdcb83cc3a4d385eaed40ba5a4e713df002fef9f5d1446b1808770c140

  • SHA512

    87fc1cb23fc46510919bcf9392273b1527e79a0b36ea5543ba3f45cb3394b7db35a82d9fda3f231a1a8b1d310841e4f313d78edbca68ed4eac404a5610de13c0

  • SSDEEP

    1536:LRAh8NBWeu2eOHhIzVi6q6ew7HwWn19M0/Frj3KhvQKAS1tafNK40Sfnw14RjYGX:LBDeWIY6q6ew7QW1n/Fr2hYx+taIIfK+

Score
10/10
persistence

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5884fac3fd83cb8f49032861e7b24bb6.exe
    "C:\Users\Admin\AppData\Local\Temp\5884fac3fd83cb8f49032861e7b24bb6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4044
    • C:\Users\Admin\AppData\Local\Temp\1.exe
      "C:\Users\Admin\AppData\Local\Temp\1.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3184
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$c53AE.tmp.bat
        3⤵
          PID:3120
        • C:\Program Files\Windows Media Player\svchost.exe
          "C:\Program Files\Windows Media Player\svchost.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:816
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 956
        2⤵
        • Program crash
        PID:744
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4044 -ip 4044
      1⤵
        PID:4040

      Network

            MITRE ATT&CK Enterprise v15

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\$$c53AE.tmp.bat
              Filesize

              171B

              MD5

              b6a688f3f19ffbd9dcd0f52433b58a25

              SHA1

              eb12e7181a86232e96f61d4dc19f3e1abc8a8c59

              SHA256

              78101c18d203d12e7af599cb1eb7d19566bda898f976a51c1ed615e9d67cdfee

              SHA512

              05dd82e860c69a3e752eedea7abad47cffbc5f72f3b1e809c1e7d605645bf2a66c6f476ac70971bb60652019077564860c8c19747d03da16d67dc4b11499f2f4

              Download Submit

            • C:\Users\Admin\AppData\Local\Temp\1.exe
              Filesize

              169KB

              MD5

              e80d3e5c247330ea15762d770cc8f4bd

              SHA1

              1ee43e87834f967a9ec0f51be91ffdb209ebdb58

              SHA256

              d7ece885cd2c767725a54033f9f0ef9191dcc8a0eb6f5c8834f2f689cfa547cb

              SHA512

              2fad61448e1a08299ea4b54db10f0bf948f84a0d496453916500861b5f4300a775421f9cce5ad045baa48c0ffa0f666de43d0cc1d31f77535507b305bcebeeca

              Download Submit

            • C:\Windows\SysWOW64\PDLL.dll
              Filesize

              135KB

              MD5

              574356fd9add9f8a10703bc8ffdf8d3b

              SHA1

              a45e56cf136c4389e259d34714f29cb38ebc2d14

              SHA256

              601fa862dfcfd8f8e3cd9845462b8133dffed51c73d57d12ca8ef3e2738f1b46

              SHA512

              f8e814420690e5b2a3d5b2d89dd7bd9684a01fc2bf5f3165ce17ff75ce17f9fed203ef4c634517ad1a199ee736d464b9d23ccaa9170760989063e64102717cde

              Download Submit

            • memory/816-21-0x00000000027E0000-0x0000000002807000-memory.dmp

              Filesize

              156KB

              Download

            • memory/816-25-0x0000000000400000-0x0000000000431000-memory.dmp

              Filesize

              196KB

              Download

            • memory/816-26-0x00000000027E0000-0x0000000002807000-memory.dmp

              Filesize

              156KB

              Download

            • memory/3184-15-0x0000000000400000-0x0000000000431000-memory.dmp

              Filesize

              196KB

              Download

            • memory/4044-0-0x0000000000400000-0x0000000000415A79-memory.dmp

              Filesize

              86KB

              Download

            • memory/4044-10-0x0000000000400000-0x0000000000415A79-memory.dmp

              Filesize

              86KB

              Download