Analysis

  • max time kernel
    117s
  • max time network
    180s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11-01-2024 17:20

General

  • Target

    541f496eff3f69616729795b3902652d.exe

  • Size

    133KB

  • MD5

    541f496eff3f69616729795b3902652d

  • SHA1

    5685b8c31b7723d6c90682efec53e86b2e6cb03c

  • SHA256

    185e620e1d313a7b42601bdb438c7cd98858816ddac4fa680518df88dbcbc5d4

  • SHA512

    056479eb6e238e886e99d0dbf9d35167d4290a41e72bc0d663401a06a2e531b618bba42d5e89e10e18495e1d8446153b30421b6f85aa7dd6557b563dbd8bceb6

  • SSDEEP

    3072:yH2KlMKi9QX8+Il6vb/t5t8Y9rqRYyRFe6pH+ztATQ:y1lEq8+jvbl5O2mR7Fe60JkQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\541f496eff3f69616729795b3902652d.exe
    "C:\Users\Admin\AppData\Local\Temp\541f496eff3f69616729795b3902652d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Users\Admin\AppData\Local\Temp\541f496eff3f69616729795b3902652d.exe
      C:\Users\Admin\AppData\Local\Temp\541f496eff3f69616729795b3902652d.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\541f496eff3f69616729795b3902652d.exe

    Filesize

    133KB

    MD5

    e7db1efead63372fa0e6ad91a8f5b81f

    SHA1

    d4c076cad21938110474f410b389b1daa03354f8

    SHA256

    96d336b430dae7a99a06d148bf7a9fe2edd0f239293e8bc09a6e83d951ee13ae

    SHA512

    68b850c53acd51eb1dc52dded790952f43d2eb55e446ae271ade36741a3251332b05c1704e63e6034cefad891738c40f59ed9a0c44d7d5f5e257e3c1a76b8ba2

  • memory/2616-19-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2616-21-0x00000000001D0000-0x00000000001F1000-memory.dmp

    Filesize

    132KB

  • memory/2616-42-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2924-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2924-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2924-1-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2924-15-0x0000000000370000-0x00000000003F6000-memory.dmp

    Filesize

    536KB

  • memory/2924-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB