Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2024 01:39

General

  • Target

    a92e75f4d614847e1d8957bcb1940e20e6f1b8d80c987a6216cc9126cdc86eee.exe

  • Size

    80KB

  • MD5

    7f5cbb22e110840f854e9c0971ac1d65

  • SHA1

    e761f30b25a336e40e7c79ef6d644c710dc66d83

  • SHA256

    a92e75f4d614847e1d8957bcb1940e20e6f1b8d80c987a6216cc9126cdc86eee

  • SHA512

    dc316e3d9842128821d1b515fe180e6953d623c4709c3fdf28568df1fcbbb311f4ba0261a472d39c00ec2ab11462406dc8573acf8a3bc7a2d680e99a89e68008

  • SSDEEP

    1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8asUsTq5q9BVI2Il:fnyiQSohsUsWU9BK3l

Score
9/10

Malware Config

Signatures

  • Renames multiple (5132) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • UPX dump on OEP (original entry point) 4 IoCs
  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a92e75f4d614847e1d8957bcb1940e20e6f1b8d80c987a6216cc9126cdc86eee.exe
    "C:\Users\Admin\AppData\Local\Temp\a92e75f4d614847e1d8957bcb1940e20e6f1b8d80c987a6216cc9126cdc86eee.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2652

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-711569230-3659488422-571408806-1000\desktop.ini.tmp

    Filesize

    81KB

    MD5

    0bd017e59d7807ae0575dc22bb98761e

    SHA1

    b52b8347ad2ca42fd906e3441a8707c5b248a117

    SHA256

    7f8f3c9f828baeb82f28f28897a671ebc78b60934d44871347d1f0e5df110b03

    SHA512

    877292f917eedec9e877800c7f40aae62f5c4c7a5e8b89cb2495b395d7edd6d0ac7cd4420327b249f57c2eefe122219562621c984fac761f4c0d577578724dca

  • C:\Program Files\7-Zip\7-zip.dll.tmp

    Filesize

    179KB

    MD5

    654d8f8fe1bfcba98010c10c67b7db31

    SHA1

    70f186326d4add625aaab81f3021db71b1b9a30d

    SHA256

    3c3f9366c64211f070a7a76f1fbcc9e3f6f45aa9c138452571f5f63422e7708f

    SHA512

    ea38317940be90d5c543333992fae74e236cf1ee0af7f9fafeeb259ee0af5127e5fdc4d41e35c0a4f65ec544480a0997414529cd5f1a37ad824e3a27ef1a3243

  • memory/2652-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2652-1864-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB