Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 22:45

General

  • Target

    69c3787d827f13c741dc09f32e619f5a5302ff66ba05ed46d33e684a53da08b0.exe

  • Size

    75KB

  • MD5

    179cdacdaf4c09c4937d86a267b6460b

  • SHA1

    05a370a94d5f458c12efb1f473fedffcb6dd7dd8

  • SHA256

    69c3787d827f13c741dc09f32e619f5a5302ff66ba05ed46d33e684a53da08b0

  • SHA512

    6637f44d9df20e995266c056f2d8530b7322ec905aa209459eb5fa8a1ee864787a70526d0a0d75d1d6154773b045e0ff861a7ea619bcc273d6855399a176d40e

  • SSDEEP

    1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8yib:fnyiQSoe

Score
9/10

Malware Config

Signatures

  • Renames multiple (3433) 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\69c3787d827f13c741dc09f32e619f5a5302ff66ba05ed46d33e684a53da08b0.exe
    "C:\Users\Admin\AppData\Local\Temp\69c3787d827f13c741dc09f32e619f5a5302ff66ba05ed46d33e684a53da08b0.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2884

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2297530677-1229052932-2803917579-1000\desktop.ini.tmp

    Filesize

    75KB

    MD5

    f4b0c7f19489ddf9d926ea41ee13213c

    SHA1

    e92db492c11465ee934a335f287c5d644219f671

    SHA256

    23e73f9455d1773aec6ceaaff60bbf6d662241fa02317258a3ecda3e0d857586

    SHA512

    e89e271c911d84c302ee54f75f094c925f33b163126369668fef049ad2e8d1363c867eacd36342d7c7d664f871a4cc904acd5d9af3efbd414609d8a75633f57a

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

    Filesize

    84KB

    MD5

    8aaf76e62f4ce4003841cefdda714b94

    SHA1

    e14288788752b163a670b16a92be7f606b88e87c

    SHA256

    ca64967aeb203e9d0d6eb9da39e059f35ce7a8b63fbe7c025f130e11492dc6df

    SHA512

    850e377106e08233e880650b676ab90b6d2b89df77baa050aea33d73addcb64f6786aed8348eedc1ce0c9b35f9a00f42b45ac586320ed0b757ad4b293dccd715

  • memory/2884-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2884-644-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB