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Analysis

  • max time kernel
    120s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/09/2024, 10:02

General

  • Target

    b92fcbce4796e61f6be95018e2956430N.exe

  • Size

    18KB

  • MD5

    b92fcbce4796e61f6be95018e2956430

  • SHA1

    5c74a700e660648c36d2753e0ffbc09b70b5efd0

  • SHA256

    3620d9bfeb416ea0e32c691aa0d07d9df4b2c04338ef3ce6f2a95e8c8c901522

  • SHA512

    17d2339fa912748605678c6894843e8005dc064e28f1c133af3e7c21830e25e80b485073318f44e59d8a132e5dd17f29a2f9228d03ab2bd128d36c3328cfa5e1

  • SSDEEP

    384:QOlIBXDaU7CPKK0TIhfJJ1Evd5BvhzaMxGCFKn28XGCFKn28s:kBT37CPKKdJJ1EXBlGCeXGCes

Malware Config

Signatures

  • Renames multiple (4665) 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\b92fcbce4796e61f6be95018e2956430N.exe
    "C:\Users\Admin\AppData\Local\Temp\b92fcbce4796e61f6be95018e2956430N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2718105630-359604950-2820636825-1000\desktop.ini.tmp

    Filesize

    18KB

    MD5

    d2979790a15a21abc46cdc6f43472589

    SHA1

    7c9ca6224a0ee461b0cfc980946862f49317eb22

    SHA256

    6de46ec6c476b41274e83002ca53bff937e91b4039ae6e4e32ec8b8c5e16a1a8

    SHA512

    3190221e35fd85f43291a8eb0d376e80178f8944a0312c99b3436770d69d918fa549de64d3321fadadd8a3537c270551d4f0109f13c261c2f05e70204f8f237b

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

    Filesize

    117KB

    MD5

    563ee78b82a187dfb066fda42271df0e

    SHA1

    45593464cf9cb3d18ae951bf742167ba938a14d6

    SHA256

    20c1c3eb94b79a2bd7b655b0e9d01e36ee9e39ffc50d965e31668259c24c65d6

    SHA512

    c142212f21ac2141162868ad22bfc925fa49414f9886500fbf86e434b03eb44a3bc7292a7024dc0c62ee7849321e43998c137d6ab26f982062f681c561868e96

  • memory/4440-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/4440-851-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB