Analysis

  • max time kernel
    156s
  • max time network
    197s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 08:22

General

  • Target

    5d957233382cb6daeeb6aa31fb8c4389e3ef5e609c2c9c71e106287b2cab80d0.xls

  • Size

    826KB

  • MD5

    1077e927cb7cb62f71214b6fe9b72973

  • SHA1

    af74d8ada7d7528e90ce01ec7a9d84729f0e72fb

  • SHA256

    5d957233382cb6daeeb6aa31fb8c4389e3ef5e609c2c9c71e106287b2cab80d0

  • SHA512

    49b531a228721622e2c713cb32562643d6a870e5c32125fa30a5be4b6e845d4ccc4bfb535e8b00ae1f5f07ba69908163e09d1c968f7b03ab927a36f4158ede5c

  • SSDEEP

    6144:5k3hOdsylKlgryzc4bNhZF+E+W2kQCAH8SD4HW44KwACfnVIGI70:tCCD

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 9 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 4 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\5d957233382cb6daeeb6aa31fb8c4389e3ef5e609c2c9c71e106287b2cab80d0.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\load.txtpin.jse"
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      PID:2044

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Public\Documents\load.txtpin.jse
    Filesize

    773KB

    MD5

    4398e68cbe6d058d60bcafb87a543d7a

    SHA1

    f649a164561348dde829c23806f16d7ad55966f0

    SHA256

    a295eaf45edfa37886a49288fc06af0fbd2cf1a41b98a0b0d55beb1e7cc3aff7

    SHA512

    9292c8a3292e155aaab0f2d9a4681174082c8e6fb71d2621d55b71366331091419233ac1405bac3bf0c93362b224f0b63416353f3d906b57ad6493ecf9fb2838

  • memory/1756-54-0x000000002F401000-0x000000002F404000-memory.dmp
    Filesize

    12KB

  • memory/1756-55-0x0000000070F41000-0x0000000070F43000-memory.dmp
    Filesize

    8KB

  • memory/1756-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1756-57-0x0000000071F2D000-0x0000000071F38000-memory.dmp
    Filesize

    44KB

  • memory/1756-58-0x0000000074F01000-0x0000000074F03000-memory.dmp
    Filesize

    8KB

  • memory/1756-59-0x0000000071F2D000-0x0000000071F38000-memory.dmp
    Filesize

    44KB

  • memory/1756-60-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-61-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-62-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-63-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-64-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-65-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-67-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-66-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-68-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-69-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-70-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-71-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-72-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-73-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-74-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-75-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-76-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-78-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-77-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-79-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-80-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-82-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-81-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-84-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-83-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-86-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-85-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-88-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-87-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-89-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-90-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-91-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-93-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-92-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-94-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-95-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-97-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-98-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-99-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-100-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-101-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-103-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-102-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-104-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-105-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-109-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-108-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-107-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-110-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-111-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-113-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-112-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-114-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-115-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-118-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-117-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/1756-119-0x00000000004B5000-0x00000000004B9000-memory.dmp
    Filesize

    16KB

  • memory/2044-125-0x0000000000000000-mapping.dmp