Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    12/02/2024, 12:02

General

  • Target

    971b7d464a58d2901d1dd41b50cb4fd0.exe

  • Size

    133KB

  • MD5

    971b7d464a58d2901d1dd41b50cb4fd0

  • SHA1

    4111d2e7a7b8fad4f15b6cb89bff3701db7479c5

  • SHA256

    8c7c74ade96121f32ab01abffb8be9ca053fbc27f7952833babdaa10f0695b55

  • SHA512

    25cf42ef8cad766d06c2f0e6d38fe9bb6c8aeb31a04cd757a2b0c9bd0c8560c7c550fef622ebcd21ca0b6b39aef6191b4de61c1e0a91d6a3fe86e890d8ba6ba8

  • SSDEEP

    3072:RoVrRdiH2OopS7GUd2jbLdiNlpxbKhUO3kNRYq/CsW+t9TQ:Roo2OopEGUdKleofo6q++3Q

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\971b7d464a58d2901d1dd41b50cb4fd0.exe
    "C:\Users\Admin\AppData\Local\Temp\971b7d464a58d2901d1dd41b50cb4fd0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Users\Admin\AppData\Local\Temp\971b7d464a58d2901d1dd41b50cb4fd0.exe
      C:\Users\Admin\AppData\Local\Temp\971b7d464a58d2901d1dd41b50cb4fd0.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\971b7d464a58d2901d1dd41b50cb4fd0.exe

    Filesize

    133KB

    MD5

    869c783e83649e4fc616cf652ec67a02

    SHA1

    2e627dbf19f04f010186f676d619183800307dff

    SHA256

    7c34945a6be4ad8c8e5234c6cd9fb1d4de8ee04b6719b29eed4fe5b8ab458b3f

    SHA512

    248b0bf468f7a987ccc4ecd58725887ef36bc4198afeda8ae93dcf596f2e6ac26951934f26e02fd7c451b696c5c69a0b5e32b16f1ea5f8b3f37b1014e8b64157

  • memory/2128-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2128-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2128-1-0x00000000002F0000-0x0000000000311000-memory.dmp

    Filesize

    132KB

  • memory/2128-15-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2128-14-0x0000000000320000-0x00000000003A6000-memory.dmp

    Filesize

    536KB

  • memory/2792-18-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2792-20-0x00000000000E0000-0x0000000000101000-memory.dmp

    Filesize

    132KB

  • memory/2792-42-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB