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
    20-11-2024 18:01

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:684
    • C:\ProgramData\Tdlawis\rlbwrarhsa.exe
      C:\ProgramData\Tdlawis\rlbwrarhsa.exe
      2⤵
      • Executes dropped EXE
      PID:500

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

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

    Filesize

    2KB

    MD5

    c7000344fa51c193941959ce476775ff

    SHA1

    1f56a1bba138f0c484ca375cd052a19e22c8acca

    SHA256

    e8d4ec2f224a32d316429b93a0b6160fe2cb4ccb6f4ee7c2f12467d108e16a2e

    SHA512

    9660c0288c87d8ba6a8497c2cb4f0d0c8f5f39cab731c2ce92cbbca50ba4bbd1b2fa96908cdc2537c0b76db575ded1efd806da133710299c71ce1c037f8ee30f

  • memory/500-84-0x00007FFB47450000-0x00007FFB47645000-memory.dmp

    Filesize

    2.0MB

  • memory/500-70-0x0000000001850000-0x0000000001858000-memory.dmp

    Filesize

    32KB

  • memory/500-69-0x000000001C7C0000-0x000000001C85C000-memory.dmp

    Filesize

    624KB

  • memory/500-68-0x000000001C250000-0x000000001C71E000-memory.dmp

    Filesize

    4.8MB

  • memory/500-67-0x00007FFB47450000-0x00007FFB47645000-memory.dmp

    Filesize

    2.0MB

  • memory/684-21-0x00007FFB47450000-0x00007FFB47645000-memory.dmp

    Filesize

    2.0MB

  • memory/684-5-0x00007FFB47450000-0x00007FFB47645000-memory.dmp

    Filesize

    2.0MB

  • memory/684-4-0x00007FFB47450000-0x00007FFB47645000-memory.dmp

    Filesize

    2.0MB

  • memory/684-11-0x00007FFB04E40000-0x00007FFB04E50000-memory.dmp

    Filesize

    64KB

  • memory/684-12-0x00007FFB04E40000-0x00007FFB04E50000-memory.dmp

    Filesize

    64KB

  • memory/684-20-0x00007FFB47450000-0x00007FFB47645000-memory.dmp

    Filesize

    2.0MB

  • memory/684-1-0x00007FFB474ED000-0x00007FFB474EE000-memory.dmp

    Filesize

    4KB

  • memory/684-10-0x00007FFB47450000-0x00007FFB47645000-memory.dmp

    Filesize

    2.0MB

  • memory/684-9-0x00007FFB47450000-0x00007FFB47645000-memory.dmp

    Filesize

    2.0MB

  • memory/684-6-0x00007FFB074D0000-0x00007FFB074E0000-memory.dmp

    Filesize

    64KB

  • memory/684-7-0x00007FFB47450000-0x00007FFB47645000-memory.dmp

    Filesize

    2.0MB

  • memory/684-8-0x00007FFB074D0000-0x00007FFB074E0000-memory.dmp

    Filesize

    64KB

  • memory/684-2-0x00007FFB074D0000-0x00007FFB074E0000-memory.dmp

    Filesize

    64KB

  • memory/684-71-0x00007FFB47450000-0x00007FFB47645000-memory.dmp

    Filesize

    2.0MB

  • memory/684-76-0x00007FFB47450000-0x00007FFB47645000-memory.dmp

    Filesize

    2.0MB

  • memory/684-77-0x00007FFB474ED000-0x00007FFB474EE000-memory.dmp

    Filesize

    4KB

  • memory/684-78-0x00007FFB47450000-0x00007FFB47645000-memory.dmp

    Filesize

    2.0MB

  • memory/684-79-0x00007FFB47450000-0x00007FFB47645000-memory.dmp

    Filesize

    2.0MB

  • memory/684-80-0x00007FFB47450000-0x00007FFB47645000-memory.dmp

    Filesize

    2.0MB

  • memory/684-3-0x00007FFB074D0000-0x00007FFB074E0000-memory.dmp

    Filesize

    64KB

  • memory/684-85-0x00007FFB47450000-0x00007FFB47645000-memory.dmp

    Filesize

    2.0MB

  • memory/684-0-0x00007FFB074D0000-0x00007FFB074E0000-memory.dmp

    Filesize

    64KB