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Analysis

  • max time kernel
    158s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 21:33

General

  • Target

    1d203bc511e64a8f9a40010595dfb5df.exe

  • Size

    190KB

  • MD5

    1d203bc511e64a8f9a40010595dfb5df

  • SHA1

    8a4dbf3c4367a67b2655c65ff4897d9496b4e6ef

  • SHA256

    18b2069118ac058b90cb5f1e7afd220d5ee44cbddebfaaf411d094d90a892268

  • SHA512

    64f510b23a6fecc597145cdb4e871dbdc7d2d776a8322ea30108d7c7c02e24eefe9af514c3eae6684851d9cf357e672543999a4d914852f4d4137eb1738d4ccd

  • SSDEEP

    3072:5tY7o4FYVdPEbWy3KCPS2KhBuO7hgFdagOaHtamDYQ14TRsS5In42LwQObw6UzgT:5z0Ud5y3/S2iB57hgFAgRHNYc4TRy4eC

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 6 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d203bc511e64a8f9a40010595dfb5df.exe
    "C:\Users\Admin\AppData\Local\Temp\1d203bc511e64a8f9a40010595dfb5df.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Windows\Kwadoa.exe
      C:\Windows\Kwadoa.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2440
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2440 -s 776
        3⤵
        • Program crash
        PID:2364
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2440 -ip 2440
    1⤵
      PID:3220

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\Kwadoa.exe

      Filesize

      190KB

      MD5

      1d203bc511e64a8f9a40010595dfb5df

      SHA1

      8a4dbf3c4367a67b2655c65ff4897d9496b4e6ef

      SHA256

      18b2069118ac058b90cb5f1e7afd220d5ee44cbddebfaaf411d094d90a892268

      SHA512

      64f510b23a6fecc597145cdb4e871dbdc7d2d776a8322ea30108d7c7c02e24eefe9af514c3eae6684851d9cf357e672543999a4d914852f4d4137eb1738d4ccd

    • C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job

      Filesize

      362B

      MD5

      91b54d7c0219df3e37937d2b528da504

      SHA1

      66e87ff17f9535348651cc7aeea83dcc83b6ecc8

      SHA256

      101a0aca2b04643a655c8dc9a66a4edae20542ef2b02a355ea82788aa351d7a1

      SHA512

      048d14e79b1b541953809bc093eac7d33d997019ccb28548a2523ab67788e7e0614611002a220c9773989cd02a41a8afb2b11698ada97ca4774e6b2b8bd5729b

    • memory/2440-18-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2440-23364-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/2440-138421-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/4500-0-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/4500-1-0x0000000000A10000-0x0000000000A11000-memory.dmp

      Filesize

      4KB

    • memory/4500-4-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/4500-14328-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/4500-14815-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB