Analysis

  • max time kernel
    195s
  • max time network
    205s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2023 14:37

General

  • Target

    3a0f621287013a52428872d3c4d5e6b0.exe

  • Size

    133KB

  • MD5

    3a0f621287013a52428872d3c4d5e6b0

  • SHA1

    2815ed66775ee4cf1a5df896e048a7d269d2c156

  • SHA256

    c1ba8d103a4e436b457a38b303000531b60e4cac3cccfd415434f99866dfc78d

  • SHA512

    66933ba9423bbad8cb896c2f029d34fa84c3c3ef03bc1834f4c4cf99702b28aed8835a06fd60b808093bcff834a4917b368fc8b46f0a58f4a15deca004555e69

  • SSDEEP

    3072:9g0KH0H6qK14cWdxqcQ1kYzaIbRbERDQVdDQ5fwrYzElemDXLF1Q:97aqK1obs76RDGH+iXbL/Q

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 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\3a0f621287013a52428872d3c4d5e6b0.exe
    "C:\Users\Admin\AppData\Local\Temp\3a0f621287013a52428872d3c4d5e6b0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Users\Admin\AppData\Local\Temp\3a0f621287013a52428872d3c4d5e6b0.exe
      C:\Users\Admin\AppData\Local\Temp\3a0f621287013a52428872d3c4d5e6b0.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\3a0f621287013a52428872d3c4d5e6b0.exe

    Filesize

    133KB

    MD5

    22b18432f6eada2bd50c00223e643b73

    SHA1

    6843e3153942e55c4f26fd76af672a666976452c

    SHA256

    c530c81fbe96a7a230f914b991b3a3ed5d4014800d0e79dc3706f0138d293c0b

    SHA512

    634d8f3bbc04b97ff64fb1552b13615ceee7989001b6ada768214c2f0ed1a060fb04470d4ebbd07be087e98e04b1c06ba9fe5ada6149c721ba74ff137d0dc219

  • memory/2576-16-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2576-18-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2576-42-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2868-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2868-1-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2868-10-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2868-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB