Analysis

  • max time kernel
    120s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    19/11/2024, 14:05

General

  • Target

    f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe

  • Size

    33KB

  • MD5

    bf32cec5dfaf81964dfc0b0f0b4b2c20

  • SHA1

    338b25ffa4c2b2fc172aeb41e05105b8f3cf2e06

  • SHA256

    f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ce

  • SHA512

    9aff436852c333b6535fcd4b20c9be6f9d2319faf99ea00f5f3d5500ad9ba09351563e5ebb10ceac406e53e582f564a979bc7d80dddad74f238e4cb60ea115ad

  • SSDEEP

    768:UEzNbLcQ9qQuVriDMuyuruTD0qB77777J77c77c77c7nOTBI/M+:l3h9qQA6hZunrB77777J77c77c77c7OW

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Disables RegEdit via registry modification 2 IoCs
  • Disables Task Manager via registry modification
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Modifies system executable filetype association 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in System32 directory 12 IoCs
  • UPX packed file 29 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 20 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies registry class 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe
    "C:\Users\Admin\AppData\Local\Temp\f7c76bf1ebecdb528102af8ab268426a9b1ea49f3b2810c0b9095abc9a08e7ceN.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Boot or Logon Autostart Execution: Active Setup
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2616
    • C:\Users\Admin\AppData\Roaming\inetc.{7007ACC7-3202-11D1-AAD2-00805FC1270E}\úîøú÷åÝ÷÷„•.exe
      C:\Users\Admin\AppData\Roaming\inetc.{7007ACC7-3202-11D1-AAD2-00805FC1270E}\úîøú÷åÝ÷÷„•.exe
      2⤵
      • Modifies WinLogon for persistence
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Adds Run key to start application
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1888
    • C:\Users\Admin\AppData\Roaming\inetc.{7007ACC7-3202-11D1-AAD2-00805FC1270E}\ÿóýÿüêâüü.exe
      C:\Users\Admin\AppData\Roaming\inetc.{7007ACC7-3202-11D1-AAD2-00805FC1270E}\ÿóýÿüêâüü.exe
      2⤵
      • Modifies WinLogon for persistence
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Adds Run key to start application
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\inetc.{7007ACC7-3202-11D1-AAD2-00805FC1270E}\úîøú÷åÝ÷÷„•.exe

    Filesize

    34KB

    MD5

    a839cddf3b4e39ca386276e824dd9526

    SHA1

    4d88993a57d6ae7e94e959d861f5fbe0245c7c13

    SHA256

    3e8c464de3ede8773617ea5f4b236d2a17b991796d23f62e2fcc3e5a0b1c2fe7

    SHA512

    c63b1c7ed85176ac669a1d1c03d192226a34aa14c70c7280216ae5a6877ef0719a6642b72ce38206f4e4a990568ebfc48991b99a53d881226ed826074d2a20cd

  • \Users\Admin\AppData\Roaming\inetc.{7007ACC7-3202-11D1-AAD2-00805FC1270E}\ÿóýÿüêâüü.exe

    Filesize

    33KB

    MD5

    5e78dbc1eba469b57034262f732b651c

    SHA1

    10cc40056518e43ab230741a335cc9543ed65ff2

    SHA256

    1d748a105d2ccf416be6697ee7f19883cd485635fa27ec53927f4f089c2edea2

    SHA512

    99addfbea8f6104889dd7758d469ae07acbf99b6d8d1c61e502abfe2505ca43407e42fd1b37ed04045d1df92c3f7ef37f18b533848f7a490abc644564a6ddbce

  • memory/1888-46-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1888-40-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1888-54-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1888-52-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1888-50-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1888-32-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1888-48-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1888-34-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1888-42-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1888-36-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1888-44-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1888-38-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1992-49-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1992-33-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1992-55-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1992-53-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1992-41-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1992-37-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1992-45-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1992-35-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1992-47-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1992-39-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1992-43-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1992-51-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2616-31-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2616-26-0x00000000003A0000-0x00000000003C2000-memory.dmp

    Filesize

    136KB

  • memory/2616-0-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2616-10-0x00000000003A0000-0x00000000003C2000-memory.dmp

    Filesize

    136KB

  • memory/2616-15-0x00000000003A0000-0x00000000003C2000-memory.dmp

    Filesize

    136KB