Resubmissions

06/10/2024, 12:47

241006-p1hfxayfqa 10

06/10/2024, 12:45

241006-pzch9syfmc 8

Analysis

  • max time kernel
    13s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/10/2024, 12:47

General

  • Target

    uninstall.exe

  • Size

    74KB

  • MD5

    eb4cd39be977db64c46cfa8b0e706101

  • SHA1

    e000aa30358e62ab703288f52a08598b0cfa4eb1

  • SHA256

    3e6adfc7edecc6985f05250029228f360f857ea398b5d49b0050e1697842cd54

  • SHA512

    9855ea8f3584e2ba38ce01964af1d633d8653b9a4be1bf732910d3bbd925663b5e38fc453276430a551e7adf347e33cfbf36035b89a6b1aae3add7389486b145

  • SSDEEP

    1536:HmsAYBdTU9fEAIS2PEtuTgdLeAyNxbQp8ghaOOqG+HX:GfY/TU9fE9PEtuTceACQp8tpGX

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\uninstall.exe
    "C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2476
    • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsxB373.tmp\LangDLL.dll

    Filesize

    5KB

    MD5

    68b287f4067ba013e34a1339afdb1ea8

    SHA1

    45ad585b3cc8e5a6af7b68f5d8269c97992130b3

    SHA256

    18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

    SHA512

    06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

  • C:\Users\Admin\AppData\Local\Temp\nsxB373.tmp\System.dll

    Filesize

    12KB

    MD5

    cff85c549d536f651d4fb8387f1976f2

    SHA1

    d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

    SHA256

    8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

    SHA512

    531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

  • C:\Users\Admin\AppData\Local\Temp\nsxB373.tmp\nsis_tauri_utils.dll

    Filesize

    29KB

    MD5

    8def0196223484f8aed4106148dd3f08

    SHA1

    e0fc0951deb0e5e741df10328f95c7d6678ad3aa

    SHA256

    c0f2b928bc4c81cc5ca30a8932a6dc8cd617dd016679c057e23355fe732b2333

    SHA512

    9ffa66181bce5aa5210da0fe5edc6c80aa9e46e2bd1fafd840f468965f4d06bc03f9a77e04b975ffc9f25c886c274196e3fedae6cfb57f366ef39f1e31e1ada7

  • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

    Filesize

    74KB

    MD5

    eb4cd39be977db64c46cfa8b0e706101

    SHA1

    e000aa30358e62ab703288f52a08598b0cfa4eb1

    SHA256

    3e6adfc7edecc6985f05250029228f360f857ea398b5d49b0050e1697842cd54

    SHA512

    9855ea8f3584e2ba38ce01964af1d633d8653b9a4be1bf732910d3bbd925663b5e38fc453276430a551e7adf347e33cfbf36035b89a6b1aae3add7389486b145