Analysis

  • max time kernel
    151s
  • max time network
    161s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2023 17:53

General

  • Target

    NEAS.4ac825866a867d48f68ddd9616ed9c40.exe

  • Size

    40KB

  • MD5

    4ac825866a867d48f68ddd9616ed9c40

  • SHA1

    6f22340079febfd0e4c4a1d5c587945ef5d7c474

  • SHA256

    1b75ed7c0f2087bb1dab75310a0010da86c52be41034163a3ff357ac1cc6eaa9

  • SHA512

    e38fb6743704a88f5e2e304036878ef34ec65ff4775a29130853a5f4833e073d3dbc1cb196f3b4615f275b4c207edc13b10be20640eea8e937d107edda871226

  • SSDEEP

    768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGpebVIYLHA3KxK:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xf

Score
7/10

Malware Config

Signatures

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

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

  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.4ac825866a867d48f68ddd9616ed9c40.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.4ac825866a867d48f68ddd9616ed9c40.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Users\Admin\AppData\Local\Temp\hurok.exe
      "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\hurok.exe

    Filesize

    40KB

    MD5

    61cccba21d5de83a70e4b88acf022d93

    SHA1

    46852ba5626e3ccbb05ed26ac3a4b8d05e72e08a

    SHA256

    aba052a51d8a75b94906e81878e2d27e6ff23e29a85af7cbcba9a688bb848e8d

    SHA512

    d8f9ec73a1d1ee980c73f014b0aa1135e51da25128c59a28f6eb13ca59eb5a36a73435d116ae10411ded09838c006837ebe33276f7bd1a9bdf1fd257c045f567

  • C:\Users\Admin\AppData\Local\Temp\hurok.exe

    Filesize

    40KB

    MD5

    61cccba21d5de83a70e4b88acf022d93

    SHA1

    46852ba5626e3ccbb05ed26ac3a4b8d05e72e08a

    SHA256

    aba052a51d8a75b94906e81878e2d27e6ff23e29a85af7cbcba9a688bb848e8d

    SHA512

    d8f9ec73a1d1ee980c73f014b0aa1135e51da25128c59a28f6eb13ca59eb5a36a73435d116ae10411ded09838c006837ebe33276f7bd1a9bdf1fd257c045f567

  • \Users\Admin\AppData\Local\Temp\hurok.exe

    Filesize

    40KB

    MD5

    61cccba21d5de83a70e4b88acf022d93

    SHA1

    46852ba5626e3ccbb05ed26ac3a4b8d05e72e08a

    SHA256

    aba052a51d8a75b94906e81878e2d27e6ff23e29a85af7cbcba9a688bb848e8d

    SHA512

    d8f9ec73a1d1ee980c73f014b0aa1135e51da25128c59a28f6eb13ca59eb5a36a73435d116ae10411ded09838c006837ebe33276f7bd1a9bdf1fd257c045f567

  • memory/2108-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2108-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2108-2-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2176-16-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB