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Analysis

  • max time kernel
    133s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/11/2024, 21:43

General

  • Target

    a87f232e899ee4982c0df8a29e1647c7f81d9b31045798464e336be1b00b3941.xls

  • Size

    101KB

  • MD5

    fd8757ec97dfcbb5ceeb4acaeecbc85d

  • SHA1

    38ce57b1ebefc1e97fca479bce5054034f05d322

  • SHA256

    a87f232e899ee4982c0df8a29e1647c7f81d9b31045798464e336be1b00b3941

  • SHA512

    648c15346fdbdd4174260d651b525475c3cc3b1a360794bc3e432c55270f75a222b303e8482c68ca9a20452a15e0c7224ce4388f8ee2bd47adfbd3261500ec51

  • SSDEEP

    3072:+Kpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+MbOBzbq0f6RlD9fxW8s8OA:+Kpb8rGYrMPe3q7Q0XV5xtuE8vG8UM+U

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://dlfreight.com/wp-includes/zLuZdtVkoriGTaRE/

xlm40.dropper

http://hadramout21.com/jetpack-temp/KjOqTnCwBbVrz8w/

xlm40.dropper

http://groupesther.com/wp-admin/2hhcMwfOG0aRi1t/

xlm40.dropper

http://datainline.com/aspnet_client/56LwAJvy/

xlm40.dropper

http://greycoconut.com/edm/0ywf2bF/

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 3 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\a87f232e899ee4982c0df8a29e1647c7f81d9b31045798464e336be1b00b3941.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3916
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\txdn.dll
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:3212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

    Filesize

    1KB

    MD5

    89e2004d6bbb433f0ea146d1d1e19af8

    SHA1

    f7bb44608e7d47e741dd931df134b493c57edb6c

    SHA256

    80bf93f67bb0e0ce8d82fc3220a3ff3402c59347a7bd20d958ffc5f2e505fac2

    SHA512

    afd4e00ad2b8a0e54199ffe506aecf92caa43c9f900fff93b46b40229be73f6f209b881d4b3b8c5491f2edf413b5637d78a39108d7d9efcefe9bf5e4469f9786

  • C:\Users\Admin\txdn.dll

    Filesize

    36KB

    MD5

    3b79e62476916ff33ddc0668a0898e6d

    SHA1

    fe4f73a8019a0407cec5e2eb0c344adc4ab73bae

    SHA256

    418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81

    SHA512

    3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa

  • memory/3916-1-0x00007FFAE70ED000-0x00007FFAE70EE000-memory.dmp

    Filesize

    4KB

  • memory/3916-7-0x00007FFAE7050000-0x00007FFAE7245000-memory.dmp

    Filesize

    2.0MB

  • memory/3916-0-0x00007FFAA70D0000-0x00007FFAA70E0000-memory.dmp

    Filesize

    64KB

  • memory/3916-5-0x00007FFAE7050000-0x00007FFAE7245000-memory.dmp

    Filesize

    2.0MB

  • memory/3916-6-0x00007FFAA70D0000-0x00007FFAA70E0000-memory.dmp

    Filesize

    64KB

  • memory/3916-9-0x00007FFAE7050000-0x00007FFAE7245000-memory.dmp

    Filesize

    2.0MB

  • memory/3916-8-0x00007FFAE7050000-0x00007FFAE7245000-memory.dmp

    Filesize

    2.0MB

  • memory/3916-3-0x00007FFAA70D0000-0x00007FFAA70E0000-memory.dmp

    Filesize

    64KB

  • memory/3916-10-0x00007FFAA4F20000-0x00007FFAA4F30000-memory.dmp

    Filesize

    64KB

  • memory/3916-11-0x00007FFAA4F20000-0x00007FFAA4F30000-memory.dmp

    Filesize

    64KB

  • memory/3916-4-0x00007FFAA70D0000-0x00007FFAA70E0000-memory.dmp

    Filesize

    64KB

  • memory/3916-33-0x00007FFAE7050000-0x00007FFAE7245000-memory.dmp

    Filesize

    2.0MB

  • memory/3916-34-0x00007FFAE70ED000-0x00007FFAE70EE000-memory.dmp

    Filesize

    4KB

  • memory/3916-35-0x00007FFAE7050000-0x00007FFAE7245000-memory.dmp

    Filesize

    2.0MB

  • memory/3916-36-0x00007FFAE7050000-0x00007FFAE7245000-memory.dmp

    Filesize

    2.0MB

  • memory/3916-2-0x00007FFAA70D0000-0x00007FFAA70E0000-memory.dmp

    Filesize

    64KB