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Analysis

  • max time kernel
    78s
  • max time network
    75s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    01/02/2022, 16:13

General

  • Target

    32b8cd2cdc85da8bd4da5c67ee6ca75092b824adc7ca7c926392a7eb69116f5c.xls

  • Size

    827KB

  • MD5

    b395ad5c09d963c99c19985025e9273b

  • SHA1

    78d05d8a2c0604e115850977304b6a0b347492c9

  • SHA256

    32b8cd2cdc85da8bd4da5c67ee6ca75092b824adc7ca7c926392a7eb69116f5c

  • SHA512

    cfb74a5ba4cf2a0e2a5efc93acaf1c373808052f13fdcafa0b3c8084d08e078e07dc1e38d3594008ad83911752dedaf9001eaae47c4e0d70357519244cce9d90

Score
8/10

Malware Config

Signatures

  • Sets service image path in registry 2 TTPs
  • Drops file in Windows directory 6 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\32b8cd2cdc85da8bd4da5c67ee6ca75092b824adc7ca7c926392a7eb69116f5c.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:5032
  • C:\Windows\System32\WaaSMedicAgent.exe
    C:\Windows\System32\WaaSMedicAgent.exe 4998113e376feb288672914785596095 dE3toBmkfUO0wN3s4bCA9Q.0.1.0.0.0
    1⤵
    • Modifies data under HKEY_USERS
    PID:4052
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2080

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2080-186-0x0000028023EE0000-0x0000028023EF0000-memory.dmp

    Filesize

    64KB

  • memory/2080-187-0x00000280263C0000-0x00000280263C4000-memory.dmp

    Filesize

    16KB

  • memory/5032-130-0x00007FF916F10000-0x00007FF916F20000-memory.dmp

    Filesize

    64KB

  • memory/5032-132-0x00007FF916F10000-0x00007FF916F20000-memory.dmp

    Filesize

    64KB

  • memory/5032-131-0x00007FF916F10000-0x00007FF916F20000-memory.dmp

    Filesize

    64KB

  • memory/5032-133-0x00007FF916F10000-0x00007FF916F20000-memory.dmp

    Filesize

    64KB

  • memory/5032-134-0x00007FF916F10000-0x00007FF916F20000-memory.dmp

    Filesize

    64KB

  • memory/5032-135-0x00007FF914E50000-0x00007FF914E60000-memory.dmp

    Filesize

    64KB

  • memory/5032-136-0x00007FF914E50000-0x00007FF914E60000-memory.dmp

    Filesize

    64KB