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Analysis

  • max time kernel
    120s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 17:31

General

  • Target

    3769142aa92878b2dd287315feec9ab0N.exe

  • Size

    22KB

  • MD5

    3769142aa92878b2dd287315feec9ab0

  • SHA1

    f37900a834f9b42e442a5f7af8063859f10fdd80

  • SHA256

    c079b36dc070e1ecf426343a163ff8dff147acb24bc112a1f4c5403770d95125

  • SHA512

    cf45d86bf714522390fc42b1d59263a20d313620447b7af273e88e86dd5f3eece89f1cc3d6ce275cf21830c549cd5e1af20071eed4635f109c6bbfc2d0fa39c7

  • SSDEEP

    384:QOlIBXDaU7CPKK0TIhfJJPbUEobUE51lzwAI:kBT37CPKKdJJTU3U2lz4

Malware Config

Signatures

  • Renames multiple (4026) 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\3769142aa92878b2dd287315feec9ab0N.exe
    "C:\Users\Admin\AppData\Local\Temp\3769142aa92878b2dd287315feec9ab0N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-384068567-2943195810-3631207890-1000\desktop.ini.tmp

    Filesize

    23KB

    MD5

    0ae82a2d7c8974e2e788da1612b591ec

    SHA1

    96e818926f69c1793ba35a9ecf679d61d87bcd19

    SHA256

    14bc9bae1a3a65f3fce98d441783be89adc0bb44c64fccf5249682ef72a03de3

    SHA512

    fc29e09bc15dcd14762eb4b858b2e1c65f1f69208d154d6a6eaa74a34ca4290a7044d5004d6f7eba43990701653332f93c530f5d63e2bf7bf495d5a7da3dd42d

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

    Filesize

    121KB

    MD5

    2d373e597b93aadedbcc14877d7b369a

    SHA1

    75f15b88cb7dc5d1c622ce12cf7a8ff9edf79469

    SHA256

    6082b1044de75ace8e93dcf7b24a4261a8119459da0d165b72ca5887af6a83cf

    SHA512

    ae435da43769f027acfa40b61e68d9bdd0a3bf5639fb553839cd9b8f1091b49539a04960179799fd98910f5b1e519173f5dbd9973f25afb44e60b66271c637ae

  • memory/2844-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2844-762-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB