Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 21:51

General

  • Target

    2628ad9be62db33bcc2dd982d80a7ec4ff840349a658795e13ef9611b784eefe.xls

  • Size

    423KB

  • MD5

    fa6a95df0af45ff6601696678af711b6

  • SHA1

    c87653f543d7c9386b92732e02ee64deac0e0100

  • SHA256

    2628ad9be62db33bcc2dd982d80a7ec4ff840349a658795e13ef9611b784eefe

  • SHA512

    362d3bd45dcf7b419661a4a77545d337d7f294a143f732e18dd7f728f04e99772bb45e205513c4c03f6975778ba2d812cc6e288ff5e6591ca04ad2a639d3fc02

  • SSDEEP

    6144:ixEtjPOtioVjDGUU1qfDlavx+W2QnASFR:TF

Score
10/10

Malware Config

Signatures

  • CrimsonRAT main payload 1 IoCs
  • CrimsonRat

    Crimson RAT is a malware linked to a Pakistani-linked threat actor.

  • Crimsonrat family
  • Executes dropped EXE 1 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 SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 2 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\2628ad9be62db33bcc2dd982d80a7ec4ff840349a658795e13ef9611b784eefe.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4812
    • C:\ProgramData\Tdlawis\rlbwrarhsa.exe
      C:\ProgramData\Tdlawis\rlbwrarhsa.exe
      2⤵
      • Executes dropped EXE
      PID:400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Dlphaws\omthrpa.zip

    Filesize

    56KB

    MD5

    aac869f05f219ae6508ad279a97120d1

    SHA1

    1de68ade3b8f45a2b7b846b35768e6301b5e2e0d

    SHA256

    0b655acf2e3c1c72746c4a69f56f4c5149b27cfea9d10fe2dbffd411b8b4fd8d

    SHA512

    51199423ed586ae4a2990df54a0231d9ea0d067e0f9badb3139b9a3a61f2d8044a02e1f8d27fcc4d7f59118d84326a1cc74f68c76e95b71a8ce7c1953451c05f

  • C:\ProgramData\Tdlawis\rlbwrarhsa.exe

    Filesize

    9.6MB

    MD5

    8a1f4a512fe9edbcc62ba4b1c3e08f0a

    SHA1

    fcc99860e1029e0d989121be46eb1da2f8402853

    SHA256

    ecd7d7a27a2a043919a233bb91e3b009c05b7c81ff132a7c29228e1c45d2b6a6

    SHA512

    0e78fa869f051b5672b6f7a4dcc02ae7cdca55ba8ac2b14a34f30e94844fddb7caa22ac9fd555ac0bb270c1bfbedcb3e7ef074fcf9cba8dbf2ba0d5dc690444c

  • memory/400-92-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/400-79-0x0000000001660000-0x0000000001668000-memory.dmp

    Filesize

    32KB

  • memory/400-78-0x000000001BB30000-0x000000001BBCC000-memory.dmp

    Filesize

    624KB

  • memory/400-77-0x000000001C100000-0x000000001C5CE000-memory.dmp

    Filesize

    4.8MB

  • memory/400-73-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/400-74-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-13-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-11-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-12-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-10-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-9-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-7-0x00007FFE36410000-0x00007FFE36420000-memory.dmp

    Filesize

    64KB

  • memory/4812-14-0x00007FFE33AB0000-0x00007FFE33AC0000-memory.dmp

    Filesize

    64KB

  • memory/4812-15-0x00007FFE33AB0000-0x00007FFE33AC0000-memory.dmp

    Filesize

    64KB

  • memory/4812-23-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-26-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-42-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-46-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-55-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-0-0x00007FFE36410000-0x00007FFE36420000-memory.dmp

    Filesize

    64KB

  • memory/4812-8-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-6-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-76-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-75-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-5-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-1-0x00007FFE7642D000-0x00007FFE7642E000-memory.dmp

    Filesize

    4KB

  • memory/4812-3-0x00007FFE36410000-0x00007FFE36420000-memory.dmp

    Filesize

    64KB

  • memory/4812-4-0x00007FFE36410000-0x00007FFE36420000-memory.dmp

    Filesize

    64KB

  • memory/4812-80-0x00007FFE7642D000-0x00007FFE7642E000-memory.dmp

    Filesize

    4KB

  • memory/4812-85-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-86-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-87-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-88-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-2-0x00007FFE36410000-0x00007FFE36420000-memory.dmp

    Filesize

    64KB