Resubmissions

16/04/2025, 23:23

250416-3dkjmsw1ds 10

16/04/2025, 23:22

250416-3crxbs1ms5 10

16/04/2025, 23:16

250416-29atms1ly8 10

16/04/2025, 23:10

250416-2523bswzgx 10

16/04/2025, 21:45

250416-1madxsvzg1 10

16/04/2025, 21:28

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16/04/2025, 21:16

250416-z4vkrazlz9 10

16/04/2025, 21:06

250416-zx2eqavygy 10

Analysis

  • max time kernel
    133s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    16/04/2025, 23:23

General

  • Target

    virusshare/1/VirusShare_0fea640a7da27f365b3675f73626b9c9.xls

  • Size

    937KB

  • MD5

    0fea640a7da27f365b3675f73626b9c9

  • SHA1

    fd4825f244e9c145486cb6930ad05695b9972668

  • SHA256

    64af94592f6707505fa6f42b58776c3635706a414e6362a92f707df84627679c

  • SHA512

    c9a10288762f3f5a3fdff17f8dd8560e7a884f1b83f405c2e85c6c86e42f69a30841c13aa0f2ecfc55aed42995d7aeb8fe40415e423ed0a306d2e7d00883dfbf

  • SSDEEP

    24576:h3zS0aqbCrxgFhFSQVB5DjDLG6/8otVBTN9s:K9Fo5VLDLGwTBT

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source

Signatures

  • TA505

    Cybercrime group active since 2015, responsible for families like Dridex and Locky.

  • Ta505 family
  • Loads dropped DLL 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
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 22 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

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\virusshare\1\VirusShare_0fea640a7da27f365b3675f73626b9c9.xls"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:312
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:5048

    Network

    MITRE ATT&CK Enterprise v16

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\xcopy00.xlsx

      Filesize

      628KB

      MD5

      0e3ac1e452f77ada70be985b51b28212

      SHA1

      9357565a7e50b4ddf59ae0892d89eea4e6359e95

      SHA256

      248d1df6211959a83452838a9f7720229f88313240a4aacee92f0cbc12e01727

      SHA512

      c8dfd3a41ce7b63414f068d6459aab101ae922f3382db30644c7b613b16c77e4466b53aceab1aae916e44c090cdc6663059eb89185a27bc08dc4d79c6b310a69

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

      Filesize

      1KB

      MD5

      234dd4489a069d6fe78f5753ae85eb07

      SHA1

      06cede24422ea0b797475dfb3f7d367a8df345a8

      SHA256

      09d28586779aff1305d33630f15a7b58bd717ed1ccd901e9dbf64f551ff091ba

      SHA512

      26162ec614362fe07ee44ce78ef38b660662e1d82296090ed0e9728abba31424a8c16fa0e7d32a064497a4769c2b13bfabea38a4856ec9fc63de616f2ddabe4d

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\contract_.dll

      Filesize

      234KB

      MD5

      4224c05eb24238e24a124eecee907cec

      SHA1

      551979d132b3e45aaab7ea8e18441b303f49a74a

      SHA256

      6d5c207c998990f1e7c527971dfe0eb6d2b21fca136d616e6e211019d1c77698

      SHA512

      ef4b9f06fcdd091ac818974cd777a6fdf5cd88a70f8f5fad33173ae70905b8487d60acb4af2ddb6c73d2789085f28ec1134e5efdc6a9659b0417d8fa350e7638

    • memory/312-11-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-112-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-6-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-7-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-8-0x00007FFE850F0000-0x00007FFE85100000-memory.dmp

      Filesize

      64KB

    • memory/312-10-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-12-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-13-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-1-0x00007FFEC510D000-0x00007FFEC510E000-memory.dmp

      Filesize

      4KB

    • memory/312-9-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-14-0x00007FFE82CD0000-0x00007FFE82CE0000-memory.dmp

      Filesize

      64KB

    • memory/312-4-0x00007FFE850F0000-0x00007FFE85100000-memory.dmp

      Filesize

      64KB

    • memory/312-16-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-17-0x00007FFE82CD0000-0x00007FFE82CE0000-memory.dmp

      Filesize

      64KB

    • memory/312-15-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-19-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-18-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-111-0x00007FFEC510D000-0x00007FFEC510E000-memory.dmp

      Filesize

      4KB

    • memory/312-53-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-2-0x00007FFE850F0000-0x00007FFE85100000-memory.dmp

      Filesize

      64KB

    • memory/312-5-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-107-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-52-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-118-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-120-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-170-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-124-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-122-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-121-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-119-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-187-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-186-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-185-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-117-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-188-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-189-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-194-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-218-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-3-0x00007FFE850F0000-0x00007FFE85100000-memory.dmp

      Filesize

      64KB

    • memory/312-228-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-229-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-230-0x00007FFEC5070000-0x00007FFEC5265000-memory.dmp

      Filesize

      2.0MB

    • memory/312-0-0x00007FFE850F0000-0x00007FFE85100000-memory.dmp

      Filesize

      64KB