Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 23:06

General

  • Target

    6f665708ed745a0e1636c486d396d8afa4cb0ad5f30c5d7b454b2f9b3ff13357.exe

  • Size

    63KB

  • MD5

    851af2515c3ad972639f5dbab50a410f

  • SHA1

    e2d24a6f0536b8f70a89f41f0f6a080bdea1053f

  • SHA256

    6f665708ed745a0e1636c486d396d8afa4cb0ad5f30c5d7b454b2f9b3ff13357

  • SHA512

    56a6f5a0ba4d10be143f869c28ff0bf41fc12371f1c8a955c79936e90f4d9ba8cd8fc8feaef3a62c492d6f10a3113ec91f9c8beaebc86301ee2468a31d18a0d8

  • SSDEEP

    1536:67Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8E:+nyiQSob

Score
9/10

Malware Config

Signatures

  • Renames multiple (1027) 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\6f665708ed745a0e1636c486d396d8afa4cb0ad5f30c5d7b454b2f9b3ff13357.exe
    "C:\Users\Admin\AppData\Local\Temp\6f665708ed745a0e1636c486d396d8afa4cb0ad5f30c5d7b454b2f9b3ff13357.exe"
    1⤵
    • Drops file in Program Files directory
    PID:1692

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-330940541-141609230-1670313778-1000\desktop.ini.tmp
    Filesize

    63KB

    MD5

    c23aa024d91eae55dd7811413d329eca

    SHA1

    248d4cbfb18e1a63681af8679e7ce48645c844e0

    SHA256

    e5637cffb3dcefb4e919abcf3b7328296f5d262e08242553c4bc1a34797fd1c2

    SHA512

    316be80dcd68fc901092a8f57dd5af9bc6f8931127cebcce3c40c7db694ac09d811bc084f121daa035e83a647affa9f4d4c217b597b7eef3b9fa439c3bfb14c7

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

    72KB

    MD5

    9d2eeab8d022685182a700f59f52336c

    SHA1

    c573bfb6cea015540b10b385275563624d1cdf17

    SHA256

    b4f7f6a53aa46dd0c9595f20a2210f0e09964e80dbdb6d2f89e833d85ffc7898

    SHA512

    a79cb1c4c9f39b31bad80031532b9fda1bb7eeca1607ccb0404c3739b1effc47dc2ff409a0d61f14ba9724c8290d771d8e043c1b1bb82de536923d273f4164ba

  • memory/1692-0-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1692-68-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB