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Analysis

  • max time kernel
    120s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/09/2024, 06:17

General

  • Target

    3931ab173fd83144e591fe8767baa710N.exe

  • Size

    88KB

  • MD5

    3931ab173fd83144e591fe8767baa710

  • SHA1

    6ea23fe9aa7eaf6cdca175d740001f7ae5b9d60e

  • SHA256

    45a007b67413484340ed8624b66b71e33480fef4f411dd83b137898923f3892e

  • SHA512

    8d98a4fa0c89379f3d06a6268ae1276c61c8d05bc17945200e2a09c443dfb55aff71d23324194811599576188bc90f64179d89716e01fdc767bbf14deda68aca

  • SSDEEP

    1536:V7Zf/FAxTWoJJZENTNyoKIKMTTW7JJZENTNyoKIKM4:fny1tE5KIK7tE5KIKv

Malware Config

Signatures

  • Renames multiple (4244) 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\3931ab173fd83144e591fe8767baa710N.exe
    "C:\Users\Admin\AppData\Local\Temp\3931ab173fd83144e591fe8767baa710N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

    Filesize

    89KB

    MD5

    f4b125633c76cb936a820d13baf48285

    SHA1

    34aabb7680ca224a49254f7c3b38fb9eac2f0bad

    SHA256

    c9b514fc7fc3c894eff6b2ba29854429f4f6491cbd2db7586a0a82a9c01fa7b7

    SHA512

    0e7ebf77cd410e3d4617f6c0de6de18f13ef2e6f75e9ed60fafa075badbd806acc5c5468e2f6fe0f3a4d17eedb47997d74a30c1afae13954b0cc311b6f91fd98

  • C:\Program Files\7-Zip\7-zip.dll.tmp

    Filesize

    188KB

    MD5

    a40524f86255b77cd9d4774674357f98

    SHA1

    31bb00723dc84d33146d80007afc235dac52d50b

    SHA256

    5c04d579dfcf3bf4435cdcfb1d0a27d4284dbaebcd6823fecda4f77e703c5918

    SHA512

    ae191175fefe046e1a69629e9259533b1858686aab2600dfbbb6101c55281fab34a470da433372146f74b1dba8631bb025e037e0670e16825beec12dd09db173

  • memory/2648-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2648-770-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB