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Resubmissions

08/06/2023, 16:48

230608-vbj64agh89 7

08/06/2023, 16:26

230608-txggnahe5v 7

08/06/2023, 15:56

230608-tdqafsgf57 7

Analysis

  • max time kernel
    27s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    08/06/2023, 16:26

General

  • Target

    yuki_v.3.exe

  • Size

    8.2MB

  • MD5

    afa5db1116562cbb00f823e89b002ab6

  • SHA1

    8f74ba65d0eb2ea8f1c1b8d32739aa094261c1aa

  • SHA256

    4474fe631a42d5f9d1d3d2cb4196c370ffd8f1f5c724ce2cf974ae9ec0a02ab0

  • SHA512

    78f888b4fd99170a5457006762b60aacb85470173cf3143833ffd7419f1a569f9d5c337530a864816d11c20f3f116545647e1fc206d2bb807ebdfeda51521fbd

  • SSDEEP

    196608:EVxwZmL2Vmd6+D3c/f/+SrEU/e9lLh5E1wtJ79dnNnCZ:YPL2Vmd6m3c/eE7G99qITTC

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\yuki_v.3.exe
    "C:\Users\Admin\AppData\Local\Temp\yuki_v.3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:928
    • C:\Users\Admin\AppData\Local\Temp\yuki_v.3.exe
      "C:\Users\Admin\AppData\Local\Temp\yuki_v.3.exe"
      2⤵
      • Loads dropped DLL
      PID:1660

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI9282\python310.dll

    Filesize

    4.3MB

    MD5

    c80b5cb43e5fe7948c3562c1fff1254e

    SHA1

    f73cb1fb9445c96ecd56b984a1822e502e71ab9d

    SHA256

    058925e4bbfcb460a3c00ec824b8390583baef0c780a7c7ff01d43d9eec45f20

    SHA512

    faa97a9d5d2a0bf78123f19f8657c24921b907268938c26f79e1df6d667f7bee564259a3a11022e8629996406cda9fa00434bb2b1de3e10b9bddc59708dbad81

  • \Users\Admin\AppData\Local\Temp\_MEI9282\python310.dll

    Filesize

    4.3MB

    MD5

    c80b5cb43e5fe7948c3562c1fff1254e

    SHA1

    f73cb1fb9445c96ecd56b984a1822e502e71ab9d

    SHA256

    058925e4bbfcb460a3c00ec824b8390583baef0c780a7c7ff01d43d9eec45f20

    SHA512

    faa97a9d5d2a0bf78123f19f8657c24921b907268938c26f79e1df6d667f7bee564259a3a11022e8629996406cda9fa00434bb2b1de3e10b9bddc59708dbad81