Analysis

  • max time kernel
    112s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-11-2024 22:36

General

  • Target

    502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe

  • Size

    333KB

  • MD5

    28e89125b6fa82d12ab9408034852110

  • SHA1

    88b5661e4ee9e7272f51d6c01ccdf883e9994c06

  • SHA256

    502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2

  • SHA512

    379ccb72ff77cafce9a8a74a721618e8762cbba812698409f276ffc16274bcdd987c9cbe29502b81463e51bef106fa007871d0255e54c77d0526d4f1ffbdc7b0

  • SSDEEP

    6144:JVBqzX2x/XsQ1YA53/vkNI+uuu7iDgbzzWoOd1KLcdV:BqzX2xfdY6/cNKlD+o61KUV

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 1 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe
    "C:\Users\Admin\AppData\Local\Temp\502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\blyrp.exe "C:\Users\Admin\AppData\Local\Temp\502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2300
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2840
      • C:\Users\Admin\AppData\Local\Temp\blyrp.exe
        C:\Users\Admin\AppData\Local\Temp\\blyrp.exe "C:\Users\Admin\AppData\Local\Temp\502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2468
        • \??\c:\Program Files\kenqwvs\fvnqy.exe
          "c:\Program Files\kenqwvs\fvnqy.exe" "c:\Program Files\kenqwvs\fvnqy.dll",PraseHTML C:\Users\Admin\AppData\Local\Temp\blyrp.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\Program Files\kenqwvs\fvnqy.dll

    Filesize

    149KB

    MD5

    c18b359939cb256aae67caf16013807f

    SHA1

    cd19573fd95d1ae14a823d5b7023b72f6d4d2b07

    SHA256

    49998baf9eac51e3e2da30fc4161b7025bcd4ac22251ea67824424fbf13f0d18

    SHA512

    8926204bb802c4b1fb954532953213dc96517f90172a46eda39edc802078222a3e5201b4a8cb2de7c3ad7c4ec135e00dfc04275f4394aa0003e50ba32426e04f

  • \Program Files\kenqwvs\fvnqy.exe

    Filesize

    43KB

    MD5

    51138beea3e2c21ec44d0932c71762a8

    SHA1

    8939cf35447b22dd2c6e6f443446acc1bf986d58

    SHA256

    5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

    SHA512

    794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

    Filesize

    333KB

    MD5

    86e3636e7ccdea6c2c6b433b9b1e8e46

    SHA1

    76e83444688d9360c1db09db2e33022c2d7b4cde

    SHA256

    bd8b876e3b8fa788e4b96d716877d0cf5de7adf22dee39a5beba3ac99e8157f7

    SHA512

    cc1dccdd9103212448e46e4130f72ed9a340de02a255cbdc602b3ef014c3e97f5482fefafca9f34fdfd3d07fd786badf47284654c7b1a5d24996417c95e6cda1

  • memory/2648-24-0x0000000010000000-0x0000000010083000-memory.dmp

    Filesize

    524KB

  • memory/2648-18-0x0000000010000000-0x0000000010083000-memory.dmp

    Filesize

    524KB

  • memory/2648-16-0x0000000010000000-0x0000000010083000-memory.dmp

    Filesize

    524KB

  • memory/2648-19-0x0000000010000000-0x0000000010083000-memory.dmp

    Filesize

    524KB

  • memory/2648-27-0x0000000010000000-0x0000000010083000-memory.dmp

    Filesize

    524KB

  • memory/2648-26-0x0000000010000000-0x0000000010083000-memory.dmp

    Filesize

    524KB

  • memory/2648-25-0x0000000010001000-0x0000000010022000-memory.dmp

    Filesize

    132KB

  • memory/2648-28-0x0000000010000000-0x0000000010083000-memory.dmp

    Filesize

    524KB

  • memory/2648-33-0x0000000010000000-0x0000000010083000-memory.dmp

    Filesize

    524KB

  • memory/2648-35-0x0000000010000000-0x0000000010083000-memory.dmp

    Filesize

    524KB