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Analysis

  • max time kernel
    178s
  • max time network
    86s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 19:55

General

  • Target

    78e3f73817a8b6cd808a65637238007fda2cc895d81bf20637e7b00f20876ff2.exe

  • Size

    204KB

  • MD5

    385bec28861271e4cbd39aa5817f7290

  • SHA1

    dd1e97b0b382f8966b5ccad3c020aa672b4b9d85

  • SHA256

    78e3f73817a8b6cd808a65637238007fda2cc895d81bf20637e7b00f20876ff2

  • SHA512

    93197163d4972789efa7496f4cf4c5ac7769dd1ce5d38a64039b4e5b28e6e2eb4fb2fedd3e3a20e180679321d52d71604925d89c097115e6305003d7b996c7e7

  • SSDEEP

    768:Pj9Qio1h5LU0dcxmJUMncu/VLHpFIkid+JFIkNcr9fLkWEUYn6sNpcspj6W8Lx4R:Pj9Qh1/vgM/AQmSNFONMlszAjUkxlNm

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 51 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78e3f73817a8b6cd808a65637238007fda2cc895d81bf20637e7b00f20876ff2.exe
    "C:\Users\Admin\AppData\Local\Temp\78e3f73817a8b6cd808a65637238007fda2cc895d81bf20637e7b00f20876ff2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Users\Admin\nieqoi.exe
      "C:\Users\Admin\nieqoi.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1444

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\nieqoi.exe

    Filesize

    204KB

    MD5

    2673641fc40522147611447113afdbb9

    SHA1

    96c55a2309b740f7f025a5f185fc638cc558dfaf

    SHA256

    e6463bd84c5e6eb6e1d852c5533af91c9ca99d5510db5800df3aa0542df36ecf

    SHA512

    1a76c8b5283f4d09600775778c6a6385b7a6f06e56c0f7763e52b64c98efdbf2d104b2fcd822cac9413cf261d7ddd0d123b88c1f1ea977a427c4447beb8f708e

  • C:\Users\Admin\nieqoi.exe

    Filesize

    204KB

    MD5

    2673641fc40522147611447113afdbb9

    SHA1

    96c55a2309b740f7f025a5f185fc638cc558dfaf

    SHA256

    e6463bd84c5e6eb6e1d852c5533af91c9ca99d5510db5800df3aa0542df36ecf

    SHA512

    1a76c8b5283f4d09600775778c6a6385b7a6f06e56c0f7763e52b64c98efdbf2d104b2fcd822cac9413cf261d7ddd0d123b88c1f1ea977a427c4447beb8f708e

  • \Users\Admin\nieqoi.exe

    Filesize

    204KB

    MD5

    2673641fc40522147611447113afdbb9

    SHA1

    96c55a2309b740f7f025a5f185fc638cc558dfaf

    SHA256

    e6463bd84c5e6eb6e1d852c5533af91c9ca99d5510db5800df3aa0542df36ecf

    SHA512

    1a76c8b5283f4d09600775778c6a6385b7a6f06e56c0f7763e52b64c98efdbf2d104b2fcd822cac9413cf261d7ddd0d123b88c1f1ea977a427c4447beb8f708e

  • \Users\Admin\nieqoi.exe

    Filesize

    204KB

    MD5

    2673641fc40522147611447113afdbb9

    SHA1

    96c55a2309b740f7f025a5f185fc638cc558dfaf

    SHA256

    e6463bd84c5e6eb6e1d852c5533af91c9ca99d5510db5800df3aa0542df36ecf

    SHA512

    1a76c8b5283f4d09600775778c6a6385b7a6f06e56c0f7763e52b64c98efdbf2d104b2fcd822cac9413cf261d7ddd0d123b88c1f1ea977a427c4447beb8f708e

  • memory/1388-54-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1388-57-0x0000000074AD1000-0x0000000074AD3000-memory.dmp

    Filesize

    8KB

  • memory/1388-65-0x0000000002A20000-0x0000000002A44000-memory.dmp

    Filesize

    144KB

  • memory/1388-66-0x0000000002A20000-0x0000000002A44000-memory.dmp

    Filesize

    144KB

  • memory/1388-69-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1444-67-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB