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Analysis

  • max time kernel
    120s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    01/02/2022, 16:13

General

  • Target

    32b8cd2cdc85da8bd4da5c67ee6ca75092b824adc7ca7c926392a7eb69116f5c.xls

  • Size

    827KB

  • MD5

    b395ad5c09d963c99c19985025e9273b

  • SHA1

    78d05d8a2c0604e115850977304b6a0b347492c9

  • SHA256

    32b8cd2cdc85da8bd4da5c67ee6ca75092b824adc7ca7c926392a7eb69116f5c

  • SHA512

    cfb74a5ba4cf2a0e2a5efc93acaf1c373808052f13fdcafa0b3c8084d08e078e07dc1e38d3594008ad83911752dedaf9001eaae47c4e0d70357519244cce9d90

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 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 5 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\32b8cd2cdc85da8bd4da5c67ee6ca75092b824adc7ca7c926392a7eb69116f5c.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:1488

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1488-60-0x0000000005FD0000-0x0000000005FD2000-memory.dmp

    Filesize

    8KB

  • memory/1488-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1488-57-0x0000000075D51000-0x0000000075D53000-memory.dmp

    Filesize

    8KB

  • memory/1488-59-0x0000000000530000-0x00000000005DA000-memory.dmp

    Filesize

    680KB

  • memory/1488-58-0x0000000000530000-0x00000000005DA000-memory.dmp

    Filesize

    680KB

  • memory/1488-54-0x000000002FC61000-0x000000002FC64000-memory.dmp

    Filesize

    12KB

  • memory/1488-61-0x0000000000530000-0x00000000005DA000-memory.dmp

    Filesize

    680KB

  • memory/1488-62-0x0000000000530000-0x00000000005DA000-memory.dmp

    Filesize

    680KB

  • memory/1488-63-0x0000000007950000-0x0000000007951000-memory.dmp

    Filesize

    4KB

  • memory/1488-55-0x0000000071B51000-0x0000000071B53000-memory.dmp

    Filesize

    8KB

  • memory/1488-65-0x0000000007B40000-0x0000000007B41000-memory.dmp

    Filesize

    4KB

  • memory/1488-66-0x0000000010000000-0x0000000010045000-memory.dmp

    Filesize

    276KB

  • memory/1488-67-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB