Analysis

  • max time kernel
    117s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    08/01/2024, 13:32

General

  • Target

    4b927ae4661c2c8da0a6f2aec2e0699a.exe

  • Size

    133KB

  • MD5

    4b927ae4661c2c8da0a6f2aec2e0699a

  • SHA1

    6e613f09d7a732d88dee5cd7ff4a4a9daefb2961

  • SHA256

    e88f9c1c0a839f0e9f2247dfc19886c9ef925e0be0a9437b6bb176008e3c7019

  • SHA512

    361c5cfbe4abd35fab7104d84056b893ab73de4f7193c3b21aa3254d13d42f0607d79d385f863872fa5308855022f761f61e88f47474968c91a56cdb9c9d6e7d

  • SSDEEP

    3072:39dAyEWWa+LNAI2KjwQzdmknM5jo2jzTDFEZSVtr0z9Q:3bABWS92rQ5FMW2vTDLgQ

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\4b927ae4661c2c8da0a6f2aec2e0699a.exe
    "C:\Users\Admin\AppData\Local\Temp\4b927ae4661c2c8da0a6f2aec2e0699a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Users\Admin\AppData\Local\Temp\4b927ae4661c2c8da0a6f2aec2e0699a.exe
      C:\Users\Admin\AppData\Local\Temp\4b927ae4661c2c8da0a6f2aec2e0699a.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2144

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\4b927ae4661c2c8da0a6f2aec2e0699a.exe

    Filesize

    133KB

    MD5

    597f0dec0996f3bfae515893cd6035f2

    SHA1

    2cd83cc454d30b97ce61826c94ce26936f7f75fa

    SHA256

    30b0712642be5d4402b8c09fdcd9cda6dfdd519e3eb6cfd37dcc6e7e0fcd5cea

    SHA512

    606eabe038397b3da9ea9a72147604098c1493a82a12550163e8d044ff57e5fecc9fa6b610c2c87c4c4d6cae3ba0e435693687433049275f55c144b09126d08f

  • memory/2144-19-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2144-20-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2144-43-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2520-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2520-1-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2520-2-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2520-15-0x0000000000320000-0x00000000003A6000-memory.dmp

    Filesize

    536KB

  • memory/2520-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2520-42-0x0000000000320000-0x00000000003A6000-memory.dmp

    Filesize

    536KB