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Analysis

  • max time kernel
    146s
  • 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
    31/12/2023, 04:24

General

  • Target

    280841448a492e94b1c01f7505d163de.exe

  • Size

    649KB

  • MD5

    280841448a492e94b1c01f7505d163de

  • SHA1

    1a468c2cba5ceef684ea4f9bdbc1682a5124370b

  • SHA256

    ec6db6613575c19945f4e1ff6d90ecfbb1ab34cbdd30c2d429d86fd132bd557a

  • SHA512

    81d85f6b7fdbce73e22212d84d5eb47aefd47b52c94d4090d365e9f8eb5b7a00f2b833f0f23606bc150d700d19455b9cbddc23a0d802d203912afc904a3e220c

  • SSDEEP

    12288:FHyhPBDgO6dsx4tSZvqT4OWADF3Z4mxxfDqVTVOCZvOf:FHyngO4tSZvq1QmXeVTz8f

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 3 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\280841448a492e94b1c01f7505d163de.exe
    "C:\Users\Admin\AppData\Local\Temp\280841448a492e94b1c01f7505d163de.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Suspicious use of WriteProcessMemory
    PID:2536
    • F:\msdownld.tmp\IXP000.TMP\3_lh.exe
      F:\msdownld.tmp\IXP000.TMP\3_lh.exe
      2⤵
      • Executes dropped EXE
      PID:5052
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 632
    1⤵
    • Program crash
    PID:4728
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5052 -ip 5052
    1⤵
      PID:4900

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • F:\msdownld.tmp\IXP000.TMP\3_lh.exe

      Filesize

      92KB

      MD5

      ece531ccab5908888811514fb22a49da

      SHA1

      9395b8620b18831cca2106554fd5bb3ea85f2c98

      SHA256

      02f9a80a000e2caf6f1b3a7e53a020497cfbc9ee4fb4d7a2c590e12617d21051

      SHA512

      c76cdcc150c7e00d94681fc0196819b9ff0389dd123dd13d199ed3ca59463f767cb31a29b70064c347d2e2209738dd87834a94209ef5f851abae40750dac02e5

    • memory/2536-17-0x0000000003120000-0x0000000003121000-memory.dmp

      Filesize

      4KB

    • memory/2536-28-0x00000000006D0000-0x0000000000724000-memory.dmp

      Filesize

      336KB

    • memory/2536-1-0x0000000001000000-0x00000000010AF000-memory.dmp

      Filesize

      700KB

    • memory/2536-3-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

      Filesize

      4KB

    • memory/2536-2-0x00000000006D0000-0x0000000000724000-memory.dmp

      Filesize

      336KB

    • memory/2536-20-0x0000000003160000-0x0000000003161000-memory.dmp

      Filesize

      4KB

    • memory/2536-0-0x0000000001000000-0x00000000010AF000-memory.dmp

      Filesize

      700KB

    • memory/2536-27-0x0000000001000000-0x00000000010AF000-memory.dmp

      Filesize

      700KB

    • memory/2536-5-0x0000000000C00000-0x0000000000C01000-memory.dmp

      Filesize

      4KB

    • memory/2536-19-0x00000000030E0000-0x00000000030E2000-memory.dmp

      Filesize

      8KB

    • memory/2536-4-0x00000000006B0000-0x00000000006B1000-memory.dmp

      Filesize

      4KB

    • memory/2536-18-0x0000000003110000-0x0000000003111000-memory.dmp

      Filesize

      4KB

    • memory/2536-10-0x0000000003100000-0x0000000003101000-memory.dmp

      Filesize

      4KB

    • memory/2536-15-0x00000000001E0000-0x00000000001E1000-memory.dmp

      Filesize

      4KB

    • memory/2536-12-0x00000000001D0000-0x00000000001D1000-memory.dmp

      Filesize

      4KB

    • memory/2536-11-0x00000000030F0000-0x00000000030F3000-memory.dmp

      Filesize

      12KB

    • memory/2536-16-0x0000000003130000-0x0000000003131000-memory.dmp

      Filesize

      4KB

    • memory/2536-9-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

      Filesize

      4KB

    • memory/2536-8-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

      Filesize

      4KB

    • memory/2536-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

      Filesize

      4KB

    • memory/2536-6-0x0000000000510000-0x0000000000511000-memory.dmp

      Filesize

      4KB

    • memory/5052-26-0x0000000000400000-0x0000000000560000-memory.dmp

      Filesize

      1.4MB

    • memory/5052-25-0x00000000006A0000-0x00000000006A1000-memory.dmp

      Filesize

      4KB

    • memory/5052-24-0x0000000000400000-0x0000000000560000-memory.dmp

      Filesize

      1.4MB