Analysis

  • max time kernel
    152s
  • max time network
    98s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06-11-2022 09:38

General

  • Target

    16bc63f21507429fd3ee692712d98ba9e476db94afec37d26594616afcb60ff3.exe

  • Size

    1.1MB

  • MD5

    32759d20df49c681fb558dde6de8e0b0

  • SHA1

    e8ebb9b090e3a35c8e820dd83ba3d4cdc6560d0f

  • SHA256

    16bc63f21507429fd3ee692712d98ba9e476db94afec37d26594616afcb60ff3

  • SHA512

    deb5d722ad1113a7a13b4cff877d5fb5a8994ab20ee20d37fb9b56bfef8ef32577187e7afe828f39fe5f4e3f4f2d4208a4315de2fe9bd87cc9dda3b3737cbc96

  • SSDEEP

    12288:bF9vvkPCuYcoTKFng0SrQKwypmwPI2A66BvDYqt:jvvkPNjoTKa1UKwykwP+Zrt

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16bc63f21507429fd3ee692712d98ba9e476db94afec37d26594616afcb60ff3.exe
    "C:\Users\Admin\AppData\Local\Temp\16bc63f21507429fd3ee692712d98ba9e476db94afec37d26594616afcb60ff3.exe"
    1⤵
    • Adds policy Run key to start application
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:692
    • C:\Windows\SysWOW64\inputm.exe
      C:\Windows\SysWOW64\inputm.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2012
    • C:\Windows\SysWOW64\cmd.exe
      /c C:\Users\Admin\AppData\Local\Temp\~unins6819.bat "C:\Users\Admin\AppData\Local\Temp\16bc63f21507429fd3ee692712d98ba9e476db94afec37d26594616afcb60ff3.exe"
      2⤵
      • Deletes itself
      PID:1396

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\~unins6819.bat

    Filesize

    49B

    MD5

    9e0a2f5ab30517809b95a1ff1dd98c53

    SHA1

    5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

    SHA256

    97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

    SHA512

    e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

  • C:\Windows\SysWOW64\inputm.exe

    Filesize

    249KB

    MD5

    abf9a21113bd75751b746d1d3ad4b369

    SHA1

    12fa8acbbe33aab9fc5e9697fad9bffa5a478dc4

    SHA256

    54c49d7fdb9189601a410b4329dd75c79e20635b4b7379155f5256ad4c71c32e

    SHA512

    b491ea1b77b336750ac5db2895ad324b9bb086772792b463e16490b71d0a393e9904ebeaef6e7495c6b800ab9988f00838bcc612399efc095b6e2b02e7a81505

  • C:\Windows\SysWOW64\inputm.exe

    Filesize

    249KB

    MD5

    abf9a21113bd75751b746d1d3ad4b369

    SHA1

    12fa8acbbe33aab9fc5e9697fad9bffa5a478dc4

    SHA256

    54c49d7fdb9189601a410b4329dd75c79e20635b4b7379155f5256ad4c71c32e

    SHA512

    b491ea1b77b336750ac5db2895ad324b9bb086772792b463e16490b71d0a393e9904ebeaef6e7495c6b800ab9988f00838bcc612399efc095b6e2b02e7a81505

  • \Windows\SysWOW64\inputm.exe

    Filesize

    249KB

    MD5

    abf9a21113bd75751b746d1d3ad4b369

    SHA1

    12fa8acbbe33aab9fc5e9697fad9bffa5a478dc4

    SHA256

    54c49d7fdb9189601a410b4329dd75c79e20635b4b7379155f5256ad4c71c32e

    SHA512

    b491ea1b77b336750ac5db2895ad324b9bb086772792b463e16490b71d0a393e9904ebeaef6e7495c6b800ab9988f00838bcc612399efc095b6e2b02e7a81505

  • memory/692-59-0x00000000002F0000-0x00000000003AE000-memory.dmp

    Filesize

    760KB

  • memory/692-54-0x0000000075601000-0x0000000075603000-memory.dmp

    Filesize

    8KB

  • memory/692-63-0x00000000002F1000-0x0000000000354000-memory.dmp

    Filesize

    396KB

  • memory/692-62-0x0000000000354000-0x00000000003AD000-memory.dmp

    Filesize

    356KB

  • memory/692-60-0x0000000000220000-0x0000000000230000-memory.dmp

    Filesize

    64KB

  • memory/692-65-0x0000000000230000-0x000000000028A000-memory.dmp

    Filesize

    360KB

  • memory/692-61-0x0000000000230000-0x000000000028A000-memory.dmp

    Filesize

    360KB

  • memory/692-76-0x00000000002F1000-0x0000000000354000-memory.dmp

    Filesize

    396KB

  • memory/692-64-0x0000000000220000-0x0000000000230000-memory.dmp

    Filesize

    64KB

  • memory/692-58-0x00000000002F0000-0x00000000003AE000-memory.dmp

    Filesize

    760KB

  • memory/692-75-0x0000000000354000-0x00000000003AD000-memory.dmp

    Filesize

    356KB

  • memory/692-55-0x00000000002F0000-0x00000000003AE000-memory.dmp

    Filesize

    760KB

  • memory/1396-71-0x0000000000000000-mapping.dmp

  • memory/2012-73-0x0000000073E40000-0x00000000743EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2012-74-0x0000000073E40000-0x00000000743EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2012-67-0x0000000000000000-mapping.dmp