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Analysis

  • max time kernel
    120s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 (3448) 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:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1488793075-819845221-1497111674-1000\desktop.ini.tmp

    Filesize

    18KB

    MD5

    f722676fb0301e7dcb9b999899b90958

    SHA1

    719d7e5b8a56e66c55b61f087853f4378d432704

    SHA256

    0bbcc84c30ed12b702920ff446ebee368b8f7efe8053c4d0e2092524eae446db

    SHA512

    14b896857c946794ca1138fec7b35301dbd9e7e8011e342622d17d5f1b89f08f71c8a2bbfbebf33953fd4a61800d39d67af5c46fc6a4417c70f5370a7e4f9315

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

    Filesize

    27KB

    MD5

    d2e7cb3269ff815023275504fa5beaf0

    SHA1

    e5dfe3c0819db5bd197dcde4f3540d9e28a33321

    SHA256

    6758a9da9079c9dac430e18a4d5f8857ef3d1afa84cfa030a4610b4181c0b1f2

    SHA512

    ed283d782dd4a4efc9e70d7d0e691b1104120621512c28ba1f88352468146423f413514995dbcb8f50aabdb5ca450187162396ecd9a58351fc5899ca2286a4f3

  • memory/2692-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2692-71-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB