Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2024 02:38

General

  • Target

    b664c98845ceadb9bccbcfc657a28b77d240cb37f6f0a2fa158fecefa4107dbc.exe

  • Size

    37KB

  • MD5

    a0ac9d59b298230d3a5e737f268007b6

  • SHA1

    3c0db5142bb28b2b49e9743c25ed4d084981fc26

  • SHA256

    b664c98845ceadb9bccbcfc657a28b77d240cb37f6f0a2fa158fecefa4107dbc

  • SHA512

    5f9130bac208eae021ca81e7e0a24444e3de602111718951fa6edc93ea2ab686ea01b70ea46a153941847ce09202e4f7cd7e813dd3af6f7db63b9a2af4405fef

  • SSDEEP

    768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rh95k5mw0+7Mb:GY9jw/dUT62rGdiUOWWrNmT7Mb

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Upatre family
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b664c98845ceadb9bccbcfc657a28b77d240cb37f6f0a2fa158fecefa4107dbc.exe
    "C:\Users\Admin\AppData\Local\Temp\b664c98845ceadb9bccbcfc657a28b77d240cb37f6f0a2fa158fecefa4107dbc.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2648
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:2788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    38KB

    MD5

    89ca43a87d73b1cdcf35ffc0d1cc4d15

    SHA1

    eb59c17c056b8b335926bb9b43daeba00493ec0e

    SHA256

    88af4871053c539f691e70249b497121ea28abea61540b9808edb49ccaa59185

    SHA512

    2464c809722bdfbef4804351b1d3408f9853203c5c4463852adeb7643f014553dfbf5febfbbb0837136af776779be8fe5431b0275d5c0dfbd0103433d1875d00

  • memory/2648-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2648-9-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2788-12-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB