Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2023, 16:37

General

  • Target

    f4e92869c560045cd39ff093befeddad.exe

  • Size

    133KB

  • MD5

    f4e92869c560045cd39ff093befeddad

  • SHA1

    5b50f24e986ba839eca6bed14714cc869f4641bb

  • SHA256

    9b8584971d02f53eeaee0b7e4cb39578c7bc761410d74a247e51f5d0fad3a6f4

  • SHA512

    5185de61f504a1b50f241a74c724442d5a12f2c0d72bee93bb09730f00256a9f473973bb840f86a6385325cf7a41b8aba52c660a9edf9084b230c44cd2eab6fd

  • SSDEEP

    3072:bDKp+h7xvvXOJTlVd1S2VPwVJdmxb3lIG0fsKLQ:/Kp+19/OJPd1S2KVvmxlojQ

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\f4e92869c560045cd39ff093befeddad.exe
    "C:\Users\Admin\AppData\Local\Temp\f4e92869c560045cd39ff093befeddad.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Users\Admin\AppData\Local\Temp\f4e92869c560045cd39ff093befeddad.exe
      C:\Users\Admin\AppData\Local\Temp\f4e92869c560045cd39ff093befeddad.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1600

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\f4e92869c560045cd39ff093befeddad.exe

          Filesize

          133KB

          MD5

          7866c5d747c523b9455f742851a1d84e

          SHA1

          fdc971c85f09bc9b863fed09f7666871a028f7a6

          SHA256

          cae5f0f3b3e8000e658186e4d25bb1033a5203040104efaa075fe6dc70350e3d

          SHA512

          644cead8afb8f072ef4ee78f77705d6d7e3944148719dea18b15d172d66f814e8556f3b766d98daed13f30fa0999fb3cdd3418c9149e1925e2025e7a4bdae20c

        • memory/1600-18-0x0000000000400000-0x0000000000486000-memory.dmp

          Filesize

          536KB

        • memory/1600-20-0x0000000000150000-0x0000000000171000-memory.dmp

          Filesize

          132KB

        • memory/1600-42-0x0000000000400000-0x0000000000486000-memory.dmp

          Filesize

          536KB

        • memory/2656-1-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

        • memory/2656-3-0x00000000001E0000-0x0000000000201000-memory.dmp

          Filesize

          132KB

        • memory/2656-0-0x0000000000400000-0x0000000000486000-memory.dmp

          Filesize

          536KB

        • memory/2656-15-0x0000000002D10000-0x0000000002D96000-memory.dmp

          Filesize

          536KB

        • memory/2656-17-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB