Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 05:01

General

  • Target

    f94cfb97bb290fe16ef517320f0ce06cd88cfe7fb3ce1c5e3387635076765534.exe

  • Size

    72KB

  • MD5

    56aeb4836951ec6c16c47be48cbc1225

  • SHA1

    c9adce393eff3fea46a321d32fb53ec18039840e

  • SHA256

    f94cfb97bb290fe16ef517320f0ce06cd88cfe7fb3ce1c5e3387635076765534

  • SHA512

    cb28b26d40fffcabf1aaf3a8ef98af175efb5752494535bebd22eaa699f43211a9f6ec48357b0299ecd6a2bc58e2c3fd7034a14eff0ecbafe1d5412c4b516e55

  • SSDEEP

    1536:67Zf/FAxTWY1++PJHJXA/OsIZfzc3/QbUkNdNI:+nyiQSobUkz+

Score
9/10

Malware Config

Signatures

  • Renames multiple (3696) 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\f94cfb97bb290fe16ef517320f0ce06cd88cfe7fb3ce1c5e3387635076765534.exe
    "C:\Users\Admin\AppData\Local\Temp\f94cfb97bb290fe16ef517320f0ce06cd88cfe7fb3ce1c5e3387635076765534.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2140

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-2737914667-933161113-3798636211-1000\desktop.ini.tmp

    Filesize

    72KB

    MD5

    c51dcd6e4fd7940c55706a8a0113aba2

    SHA1

    e0b289c19438104bf30a0666217e3f79c3eb6260

    SHA256

    4dc959e3d729c754e1813b9c9161485f0b780b0295f4b5d0a8f929374e28e373

    SHA512

    49daa2916792078659024f5df396e10ad3a5b6c6c3c6e6f05a29d7cd87fbb4b0c5e2c04f87a284408a5cb5f0f102848d7e1d4d66eb1d1ec342bfbd0d63d224f7

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

    Filesize

    81KB

    MD5

    f81895be738079cb69778cca101608e1

    SHA1

    bbcda7c4c34895b9945fa77f7cad9f2a11126466

    SHA256

    05e09eee78961e864d2e23ac6dc211829ca4e35e41f16c757ed4e9a3ff516662

    SHA512

    3797cc5d2d6de3f335fe34185a830f2ded53971518641c9e4d56f4c881058a122a8f29fe1f3eae6ec652eeb380172db0adc0d074ff16e49f552f800d16405a91

  • memory/2140-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2140-658-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB