Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2023 18:12

General

  • Target

    a8890ad2a8832f94db0ef4255a97d8b8_JC.exe

  • Size

    29KB

  • MD5

    a8890ad2a8832f94db0ef4255a97d8b8

  • SHA1

    a3cdd6dc2207f486349ef5153b915cccb61dc7cb

  • SHA256

    8b415185b3bb2144e6b0f6d6f936adc802c415f8ccbece0206e6bad0b9541be2

  • SHA512

    46e9180bd97ac2349b6fe0d6cc37b07bb2d177c064fe2bc87ad7bcbbe554730fe1391b439b28f17d2956bf9754db1c3263e4fe69ff8d11649eebe41dbc009ad1

  • SSDEEP

    768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rh9TdX/K:GY9jw/dUT62rGdiUOWWrk

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a8890ad2a8832f94db0ef4255a97d8b8_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\a8890ad2a8832f94db0ef4255a97d8b8_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    30KB

    MD5

    f5716b2860d0e89d51d549289b9c8499

    SHA1

    f24139c94bb313c152a95edb8225150218e97dff

    SHA256

    031d90f2815310e6794c30441c86e220b1d1d4dfdb4db89b88f3d6c07acc1202

    SHA512

    89568e9f3d894b949ce2332edcbdfeccfa6084bae55051b03fca0fb06c9fb0dd07417655c42cadb4d43a0150b9af2c8d822641ccc0cbcb4299ac4118fe3c8287

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

    Filesize

    30KB

    MD5

    f5716b2860d0e89d51d549289b9c8499

    SHA1

    f24139c94bb313c152a95edb8225150218e97dff

    SHA256

    031d90f2815310e6794c30441c86e220b1d1d4dfdb4db89b88f3d6c07acc1202

    SHA512

    89568e9f3d894b949ce2332edcbdfeccfa6084bae55051b03fca0fb06c9fb0dd07417655c42cadb4d43a0150b9af2c8d822641ccc0cbcb4299ac4118fe3c8287

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

    Filesize

    30KB

    MD5

    f5716b2860d0e89d51d549289b9c8499

    SHA1

    f24139c94bb313c152a95edb8225150218e97dff

    SHA256

    031d90f2815310e6794c30441c86e220b1d1d4dfdb4db89b88f3d6c07acc1202

    SHA512

    89568e9f3d894b949ce2332edcbdfeccfa6084bae55051b03fca0fb06c9fb0dd07417655c42cadb4d43a0150b9af2c8d822641ccc0cbcb4299ac4118fe3c8287

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

    Filesize

    30KB

    MD5

    f5716b2860d0e89d51d549289b9c8499

    SHA1

    f24139c94bb313c152a95edb8225150218e97dff

    SHA256

    031d90f2815310e6794c30441c86e220b1d1d4dfdb4db89b88f3d6c07acc1202

    SHA512

    89568e9f3d894b949ce2332edcbdfeccfa6084bae55051b03fca0fb06c9fb0dd07417655c42cadb4d43a0150b9af2c8d822641ccc0cbcb4299ac4118fe3c8287

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

    Filesize

    30KB

    MD5

    f5716b2860d0e89d51d549289b9c8499

    SHA1

    f24139c94bb313c152a95edb8225150218e97dff

    SHA256

    031d90f2815310e6794c30441c86e220b1d1d4dfdb4db89b88f3d6c07acc1202

    SHA512

    89568e9f3d894b949ce2332edcbdfeccfa6084bae55051b03fca0fb06c9fb0dd07417655c42cadb4d43a0150b9af2c8d822641ccc0cbcb4299ac4118fe3c8287

  • memory/2380-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2380-9-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB