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Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    06/10/2023, 13:01

General

  • Target

    NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe

  • Size

    395KB

  • MD5

    b0d488ccf7300355a469d92244a5090a

  • SHA1

    5d427a6894a822f46138282daa0acbf361a81303

  • SHA256

    91a370ad9a1fd97ce3d2fa1732f026c3b9c5ad7ef80b310f92b65db41ea63268

  • SHA512

    cbb8783e8a90a1dc4ba573f22a079e458a48b23f26b2347da17da2f941ff8ab49ff3332345bae8fe83551c02dec89263fd113c2ba34dcda2cda9f53dcb52ed36

  • SSDEEP

    6144:gdspDeDrxkg/vrMuJIgwhEFHyOrJcX/Pgqwzm5IzkWjS4e4azExBKO1t4Kb70Nqx:G8kxNhOZElO5kkWjhD4AF

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 34 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\$Recycle.Bin\EIN.EXE
      C:\$Recycle.Bin\EIN.EXE
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Modifies registry class
      PID:2744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\EIN.EXE

    Filesize

    395KB

    MD5

    a3b35adb476bcd04f5e0188d077a01f0

    SHA1

    1d7a231c48f96f06a192c8d74e5cd5309a685344

    SHA256

    4f86097b52df44df93efd46205a16449e256287a8104198e89e8d43b06cd38e6

    SHA512

    3f925dd76517c46fd793eda90274080823ad313cc7f9af59c6f05859767e23b5fe131908d3c21f23654244d004783e921165bc9a232eb248d799af56435d27c2

  • C:\$Recycle.Bin\EIN.EXE

    Filesize

    395KB

    MD5

    a3b35adb476bcd04f5e0188d077a01f0

    SHA1

    1d7a231c48f96f06a192c8d74e5cd5309a685344

    SHA256

    4f86097b52df44df93efd46205a16449e256287a8104198e89e8d43b06cd38e6

    SHA512

    3f925dd76517c46fd793eda90274080823ad313cc7f9af59c6f05859767e23b5fe131908d3c21f23654244d004783e921165bc9a232eb248d799af56435d27c2

  • C:\$Recycle.Bin\JDD.EXE

    Filesize

    395KB

    MD5

    072e658754016e880ab4636329819e97

    SHA1

    f405b4772fd72de7cba9b583df1f43ddbf624382

    SHA256

    16ff30cee8177e94e28453b9cdb32e28e87f6d0725c70db9988907698d8f279b

    SHA512

    2815ba120a58561ba80e6a282a49f71509de3444ac74b4c04a389d0b5955236f4a6885dda1167a875546c60fb0b89aa3155c4e3b81158c4367191d025ca1110a

  • \$Recycle.Bin\EIN.EXE

    Filesize

    395KB

    MD5

    a3b35adb476bcd04f5e0188d077a01f0

    SHA1

    1d7a231c48f96f06a192c8d74e5cd5309a685344

    SHA256

    4f86097b52df44df93efd46205a16449e256287a8104198e89e8d43b06cd38e6

    SHA512

    3f925dd76517c46fd793eda90274080823ad313cc7f9af59c6f05859767e23b5fe131908d3c21f23654244d004783e921165bc9a232eb248d799af56435d27c2

  • \$Recycle.Bin\EIN.EXE

    Filesize

    395KB

    MD5

    a3b35adb476bcd04f5e0188d077a01f0

    SHA1

    1d7a231c48f96f06a192c8d74e5cd5309a685344

    SHA256

    4f86097b52df44df93efd46205a16449e256287a8104198e89e8d43b06cd38e6

    SHA512

    3f925dd76517c46fd793eda90274080823ad313cc7f9af59c6f05859767e23b5fe131908d3c21f23654244d004783e921165bc9a232eb248d799af56435d27c2

  • memory/2388-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2744-26-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB