Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 20:58

General

  • Target

    41af4ff93350afa8fc13adb1f5dd091a018bdd24ed6ec155bb143475a42a7202.exe

  • Size

    170KB

  • MD5

    7501869e973c7c25db1a4ede40c52bc2

  • SHA1

    4c5dd39589da0b6b81e8904fc8062d1423cfad07

  • SHA256

    41af4ff93350afa8fc13adb1f5dd091a018bdd24ed6ec155bb143475a42a7202

  • SHA512

    f14dceba9b34dcbcf7080c72dd8d58c7fcb40de6e3611cfb14f354bda82edab59fe8f29f971344b2e374a13a02098bbc10ba9bba42d818fc728875d095a19db0

  • SSDEEP

    3072:+nyiQSo17UYsC+hALfUqI0qEiDW6VcQgKX58r7:JiQSo17UYsC+iLfUY8DtVcaX56

Score
9/10

Malware Config

Signatures

  • Renames multiple (3345) 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\41af4ff93350afa8fc13adb1f5dd091a018bdd24ed6ec155bb143475a42a7202.exe
    "C:\Users\Admin\AppData\Local\Temp\41af4ff93350afa8fc13adb1f5dd091a018bdd24ed6ec155bb143475a42a7202.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2328

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-1298544033-3225604241-2703760938-1000\desktop.ini.tmp
    Filesize

    170KB

    MD5

    6b7588493093d84abea47e1eea30b47b

    SHA1

    97fdaf99e774694f540b471122fe3223e77dba37

    SHA256

    6a55ddd4e06a42f801fe2380f05d8718f4b2f5965c0760aa2432d98e944f319a

    SHA512

    12086c1f3f3388b6b50d23dcb6d16133aa8a4f699c3b7cbc339313fa3f10f02c9053f57310fc8def37b23a345a036888b4ae7ef0095877e2fffc64683b4066f3

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

    179KB

    MD5

    4da6dcdbd3534b9f268a2efe857a9c70

    SHA1

    389e1f15ce232939bb7f87d8a0c53bedcf029676

    SHA256

    a3655e5ecb9e650c4d6474bee4bb98c1ed726317aa57b7a56919c48d4e4d66ae

    SHA512

    2f55924d956e5e914d23dc5f1e59f5f106116cba6911f4482d7a034ff8c402d9c05309fdd377c3c7485f41bd819fb56fe99456acd98409f7d1c05429be5c6bd6

  • memory/2328-0-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2328-614-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB