Analysis

  • max time kernel
    120s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/09/2024, 12:52

General

  • Target

    75b2717b798fa936f64b34dcd90ab180N.exe

  • Size

    41KB

  • MD5

    75b2717b798fa936f64b34dcd90ab180

  • SHA1

    c5dd0e3f294f764159da41b55ef5798efdd40359

  • SHA256

    bc42a08b81fdefada23fa327e3c601023d2010d280eba9f407885d9f8e65372c

  • SHA512

    19f5617d91a3f0b78eff54043b23235e276d129ab3c974314140ab5d3eeca5a24176c798c7204a044c617e4a0513ce9f6b7958e76c623819e998944c51a2ccd4

  • SSDEEP

    768:kBT37CPKKdJJ1EXBwzEXBwdcMcwBcCBcw/tio/ti/r0:CTW7JJ7TTQoQ/r0

Malware Config

Signatures

  • Renames multiple (3419) files with added filename extension

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

  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\75b2717b798fa936f64b34dcd90ab180N.exe
    "C:\Users\Admin\AppData\Local\Temp\75b2717b798fa936f64b34dcd90ab180N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3533259084-2542256011-65585152-1000\desktop.ini.tmp

    Filesize

    41KB

    MD5

    42e05fd1ecebe40b72b74c908d75eee9

    SHA1

    5a0159e237977dd7c594c110ce6baa05535f8f67

    SHA256

    4c4ac7f2258141af54e91cfd6743f034310b105947c39b2a7e1dd91f516389be

    SHA512

    9bab7f2ed43c7b3038a245885c9f0639eed6e43e45580b24a186715dab94fb87ba0dcd9fee727efe2198a78f706879926bd049aec6714a690283994a3d44e277

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

    Filesize

    50KB

    MD5

    2373d48740f66a9e7ffc6d7909c4b9dc

    SHA1

    16970c017caff09b5c8f828e574fa7e6ed830194

    SHA256

    4bfc26319beff1240344b2b9729ad96b92fff9d15247953d580ab7f09f8dc8c9

    SHA512

    9aa097e9a4a56ccb05f42898c4c106f02d0bc6cab1e24507e134170f8a50d7057c2f33f102d4ac21f0bc23ea3c4a35e4de27592be7b62382c9bc579c1996bfdc

  • memory/1732-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/1732-75-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB