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Analysis

  • max time kernel
    148s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/09/2022, 12:15

General

  • Target

    Requirement.xll

  • Size

    596KB

  • MD5

    da8b3c5ea6ec062d23052d226dbe161a

  • SHA1

    c0f6c3a783ca16f66b59bafa4a4d21062060e543

  • SHA256

    df31f4d0dfa06029237f9599458cde53165850e45a96e4e4060ff3c948e48d16

  • SHA512

    895129d442cd97a852b92a2f7f8fb3dfb3fb8107e3c4dcfe3cd0c2d59178befec35e40ef9559571c236b87295922349e9713b47600ff567a817393b154d77e66

  • SSDEEP

    12288:CPOfHIGxQ/39S8bzbBSredU9Cw+t5QnDa6RBSBS:CSHIsQvrX1NU9OXQDaq8

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source

Signatures

  • Loads dropped DLL 2 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\Requirement.xll"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:3788

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Requirement.xll

    Filesize

    596KB

    MD5

    da8b3c5ea6ec062d23052d226dbe161a

    SHA1

    c0f6c3a783ca16f66b59bafa4a4d21062060e543

    SHA256

    df31f4d0dfa06029237f9599458cde53165850e45a96e4e4060ff3c948e48d16

    SHA512

    895129d442cd97a852b92a2f7f8fb3dfb3fb8107e3c4dcfe3cd0c2d59178befec35e40ef9559571c236b87295922349e9713b47600ff567a817393b154d77e66

  • C:\Users\Admin\AppData\Local\Temp\Requirement.xll

    Filesize

    596KB

    MD5

    da8b3c5ea6ec062d23052d226dbe161a

    SHA1

    c0f6c3a783ca16f66b59bafa4a4d21062060e543

    SHA256

    df31f4d0dfa06029237f9599458cde53165850e45a96e4e4060ff3c948e48d16

    SHA512

    895129d442cd97a852b92a2f7f8fb3dfb3fb8107e3c4dcfe3cd0c2d59178befec35e40ef9559571c236b87295922349e9713b47600ff567a817393b154d77e66

  • memory/3788-140-0x0000011030380000-0x000001103042E000-memory.dmp

    Filesize

    696KB

  • memory/3788-144-0x0000011049E9C000-0x0000011049E9F000-memory.dmp

    Filesize

    12KB

  • memory/3788-136-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

    Filesize

    64KB

  • memory/3788-137-0x00007FF8E1100000-0x00007FF8E1110000-memory.dmp

    Filesize

    64KB

  • memory/3788-138-0x00007FF8E1100000-0x00007FF8E1110000-memory.dmp

    Filesize

    64KB

  • memory/3788-133-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

    Filesize

    64KB

  • memory/3788-132-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

    Filesize

    64KB

  • memory/3788-134-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

    Filesize

    64KB

  • memory/3788-143-0x00007FF8FAB00000-0x00007FF8FB5C1000-memory.dmp

    Filesize

    10.8MB

  • memory/3788-135-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

    Filesize

    64KB

  • memory/3788-145-0x00007FF8FAB00000-0x00007FF8FB5C1000-memory.dmp

    Filesize

    10.8MB

  • memory/3788-146-0x0000011049E9C000-0x0000011049E9F000-memory.dmp

    Filesize

    12KB

  • memory/3788-148-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

    Filesize

    64KB

  • memory/3788-150-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

    Filesize

    64KB

  • memory/3788-149-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

    Filesize

    64KB

  • memory/3788-151-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

    Filesize

    64KB

  • memory/3788-152-0x00007FF8FAB00000-0x00007FF8FB5C1000-memory.dmp

    Filesize

    10.8MB