Analysis

  • max time kernel
    107s
  • max time network
    91s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    31-07-2022 04:42

General

  • Target

    b49a9a0267c16f727751d36b6ce7444550a101683a872195812348757fed7d8c.xls

  • Size

    681KB

  • MD5

    97538afcdbded79ba720361d76574cec

  • SHA1

    18602da6c649eac84c93706422c0919b8d035820

  • SHA256

    b49a9a0267c16f727751d36b6ce7444550a101683a872195812348757fed7d8c

  • SHA512

    a3634a471078b92eb55564717c7846f8e6d51a4e968865717a785385bfe8513a8fc9cecc517df4b52cc4a6d1d04f2f5972d98c5e86a41a4aba738ecef0104d3d

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source

Signatures

  • TA505

    Cybercrime group active since 2015, responsible for families like Dridex and Locky.

  • UPX packed file 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\b49a9a0267c16f727751d36b6ce7444550a101683a872195812348757fed7d8c.xls
    1⤵
    • Loads dropped DLL
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\outgoing.dll

    Filesize

    292KB

    MD5

    b4d338fbc1bd67d825bf911b5d22c4a0

    SHA1

    c32080069e2c5c998384e93f495df23c720dc2dd

    SHA256

    3eaa7481affad2c3f58cf98495023f56c4cb8ca184980f76361048600d0fb068

    SHA512

    24c60a7049f2a4c9311631ccddebf34e98f144353933edc891e6f149c2e4222b72d06501c66794e984db369a5cc340a956b3283e0eb806eabf877e0b691f1373

  • memory/1996-72-0x00000000005D0000-0x00000000005D4000-memory.dmp

    Filesize

    16KB

  • memory/1996-97-0x0000000010000000-0x0000000010049000-memory.dmp

    Filesize

    292KB

  • memory/1996-57-0x0000000071E5D000-0x0000000071E68000-memory.dmp

    Filesize

    44KB

  • memory/1996-58-0x0000000075E21000-0x0000000075E23000-memory.dmp

    Filesize

    8KB

  • memory/1996-65-0x00000000005D0000-0x00000000005D4000-memory.dmp

    Filesize

    16KB

  • memory/1996-64-0x00000000005D0000-0x00000000005D4000-memory.dmp

    Filesize

    16KB

  • memory/1996-63-0x00000000005D0000-0x00000000005D4000-memory.dmp

    Filesize

    16KB

  • memory/1996-62-0x00000000005D0000-0x00000000005D4000-memory.dmp

    Filesize

    16KB

  • memory/1996-61-0x00000000005D0000-0x00000000005D4000-memory.dmp

    Filesize

    16KB

  • memory/1996-60-0x00000000005D0000-0x00000000005D4000-memory.dmp

    Filesize

    16KB

  • memory/1996-99-0x0000000071E5D000-0x0000000071E68000-memory.dmp

    Filesize

    44KB

  • memory/1996-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1996-74-0x00000000005D0000-0x00000000005D4000-memory.dmp

    Filesize

    16KB

  • memory/1996-73-0x00000000005D0000-0x00000000005D4000-memory.dmp

    Filesize

    16KB

  • memory/1996-71-0x00000000005D0000-0x00000000005D4000-memory.dmp

    Filesize

    16KB

  • memory/1996-75-0x0000000071E5D000-0x0000000071E68000-memory.dmp

    Filesize

    44KB

  • memory/1996-76-0x00000000005D0000-0x00000000005D4000-memory.dmp

    Filesize

    16KB

  • memory/1996-80-0x00000000005D0000-0x00000000005D4000-memory.dmp

    Filesize

    16KB

  • memory/1996-86-0x00000000005D0000-0x00000000005D4000-memory.dmp

    Filesize

    16KB

  • memory/1996-92-0x00000000005D0000-0x00000000005D4000-memory.dmp

    Filesize

    16KB

  • memory/1996-55-0x0000000070E71000-0x0000000070E73000-memory.dmp

    Filesize

    8KB

  • memory/1996-54-0x000000002FBF1000-0x000000002FBF4000-memory.dmp

    Filesize

    12KB

  • memory/1996-98-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1996-59-0x00000000005D0000-0x00000000005D4000-memory.dmp

    Filesize

    16KB