Overview

overview

10

Static

static

3

EC4891EC2E...15.exe

windows7-x64

10

EC4891EC2E...15.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2024, 12:46

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target

    EC4891EC2E1E54B6E32D1E1B3BDB5915.exe

  • Size

    1.8MB

  • MD5

    ec4891ec2e1e54b6e32d1e1b3bdb5915

  • SHA1

    c30c1fad6115013e814e288a1d06d2523aec6d95

  • SHA256

    44a641d0d8a75103154273f34f65999770498af9f63aa8d878f4532718860ea6

  • SHA512

    3ab4c039d3cf22c55dedf8506851ec3ea221849eb4e132928eb314c67c38a650b403afc4270874c2d2c46875f1a9ec668b83f7619793ef75758bc2398b4cc7cc

  • SSDEEP

    24576:juhBQp12QFQP7U9QlUrNGWsm5wtgeZBN+HE3r13P+doHExf27vH/h6kcWqnxqlM:jMWYoQlUr4M4geZ2ktP+dCEeghxql

Score
10/10
dcratdiscoveryexecutioninfostealerratspywarestealer

Malware Config

Signatures

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    ratinfostealerdcrat
  • Dcrat family
    dcrat
  • Command and Scripting Interpreter: PowerShell 1 TTPs 17 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EC4891EC2E1E54B6E32D1E1B3BDB5915.exe
    "C:\Users\Admin\AppData\Local\Temp\EC4891EC2E1E54B6E32D1E1B3BDB5915.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:2368
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:4800
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:4028
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:812
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:2520
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:1372
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:1140
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:3764
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:4400
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:4536
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:1692
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\de-DE\csrss.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:2568
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\ja-JP\winlogon.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:5104
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\Windows Multimedia Platform\wininit.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:2308
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\fontdrvhost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:4960
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\Speech\Engines\SR\Registry.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:684
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\EC4891EC2E1E54B6E32D1E1B3BDB5915.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:4744
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\j2V8ivUije.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:464
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:5680
        • C:\Windows\system32\PING.EXE
          ping -n 10 localhost
          3⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:6056
        • C:\Users\Admin\AppData\Local\Temp\EC4891EC2E1E54B6E32D1E1B3BDB5915.exe
          "C:\Users\Admin\AppData\Local\Temp\EC4891EC2E1E54B6E32D1E1B3BDB5915.exe"
          3⤵
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:2040

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\EC4891EC2E1E54B6E32D1E1B3BDB5915.exe.log
            Filesize

            1KB

            MD5

            1eff74e45bb1f7104e691358cb209546

            SHA1

            253b13ffad516cc34704f5b882c6fa36953a953f

            SHA256

            7ad96be486e6058b19446b95bb734acdaf4addc557b2d059a66ee1acfe19b3fc

            SHA512

            44163ed001baf697ce66d3b386e13bf5cb94bc24ce6b1ae98665d766d5fcdf0ca28b41ecc26c5f11bbea117ac17099e87f204f9d5469bb102a769548edeead7e

            Download Submit

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
            Filesize

            2KB

            MD5

            d85ba6ff808d9e5444a4b369f5bc2730

            SHA1

            31aa9d96590fff6981b315e0b391b575e4c0804a

            SHA256

            84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

            SHA512

            8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

            Download Submit

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            Filesize

            944B

            MD5

            62623d22bd9e037191765d5083ce16a3

            SHA1

            4a07da6872672f715a4780513d95ed8ddeefd259

            SHA256

            95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010

            SHA512

            9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992

            Download Submit

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            Filesize

            944B

            MD5

            a8e8360d573a4ff072dcc6f09d992c88

            SHA1

            3446774433ceaf0b400073914facab11b98b6807

            SHA256

            bf5e284e8f95122bf75ead61c7e2b40f55c96742b05330b5b1cb7915991df13b

            SHA512

            4ee5167643d82082f57c42616007ef9be57f43f9731921bdf7bca611a914724ad94072d3c8f5b130fa54129e5328ccdebf37ba74339c37deb53e79df5cdf0dbe

            Download Submit

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            Filesize

            944B

            MD5

            17fbfbe3f04595e251287a6bfcdc35de

            SHA1

            b576aabfd5e6d5799d487011506ed1ae70688987

            SHA256

            2e61ae727ca01496c9418a65777d6d7e05a85cbdb6b3a19516857442e5bd2da0

            SHA512

            449c68512d90a17f598e9dacfd6230e6e97bc6bfaaf2b06f3b91b370ece92e2322b81ee3721e288880fa1f05470156e519256e3f03d786c3b28a39788f5e0ad6

            Download Submit

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            Filesize

            944B

            MD5

            bd5940f08d0be56e65e5f2aaf47c538e

            SHA1

            d7e31b87866e5e383ab5499da64aba50f03e8443

            SHA256

            2d2f364c75bd2897504249f42cdf1d19374f5230aad68fa9154ea3d03e3031a6

            SHA512

            c34d10c7e07da44a180fae9889b61f08903aa84e8ddfa80c31c272b1ef9d491b8cec6b8a4c836c3cb1583fe8f4955c6a8db872515de3a9e10eae09610c959406

            Download Submit

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            Filesize

            944B

            MD5

            e243a38635ff9a06c87c2a61a2200656

            SHA1

            ecd95ed5bf1a9fbe96a8448fc2814a0210fa2afc

            SHA256

            af5782703f3f2d5a29fb313dae6680a64134db26064d4a321a3f23b75f6ca00f

            SHA512

            4418957a1b10eee44cf270c81816ae707352411c4f5ac14b6b61ab537c91480e24e0a0a2c276a6291081b4984c123cf673a45dcedb0ceeef682054ba0fc19cb4

            Download Submit

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            Filesize

            944B

            MD5

            ecceac16628651c18879d836acfcb062

            SHA1

            420502b3e5220a01586c59504e94aa1ee11982c9

            SHA256

            58238de09a8817ed9f894ed8e5bf06a897fd08e0b0bd77e508d37b2598edd2a9

            SHA512

            be3c7cb529cafb00f58790a6f8b35c4ff6db9f7f43a507d2218fd80cebc88413e46f71b1bc35b8afcc36b68f9409c946470d1e74a4fe225400eeb6f3f898f5b3

            Download Submit

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            Filesize

            944B

            MD5

            e8ce785f8ccc6d202d56fefc59764945

            SHA1

            ca032c62ddc5e0f26d84eff9895eb87f14e15960

            SHA256

            d85c19fc6b9d25e2168a2cc50ff38bd226fbf4f02aa7ac038a5f319522d2ffa4

            SHA512

            66460aec4afee582556270f8ee6048d130a090f1c12a2632ed71a99a4073e9931e9e1cc286e32debffb95a90bd955f0f0d6ec891b1c5cd2f0aae41eb6d25832f

            Download Submit

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            Filesize

            944B

            MD5

            aaaac7c68d2b7997ed502c26fd9f65c2

            SHA1

            7c5a3731300d672bf53c43e2f9e951c745f7fbdf

            SHA256

            8724dc2c3c8e8f17aeefae44a23741b1ea3b43c490fbc52fd61575ffe1cd82bb

            SHA512

            c526febd9430413b48bed976edd9a795793ad1f06c8ff4f6b768b4ad63f4d2f06b9da72d4fcfa7cb9530a64e2dc3554f5ad97fd0ab60129701d175f2724ef1ac

            Download Submit

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ri1x2a13.3kt.ps1
            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

            Download Submit

          • C:\Users\Admin\AppData\Local\Temp\j2V8ivUije.bat
            Filesize

            198B

            MD5

            8180b4fa428d91d7646acb849928cb09

            SHA1

            752ca68951aa1bcf40967debe124666c31f2e7ad

            SHA256

            c9a06adf477b37d013fe786d0e46af2596ba5c24b9df11605d27095f1669b249

            SHA512

            de1dcdc187c600a3ffd3c54642c3327bee7db2332b38d9c71fe6bafbda828fa0ba6ef597fc1f9a6cef260d3382a242ef28c2b30a7e058867d5283ba7fbc0c429

            Download Submit

          • C:\Windows\de-DE\csrss.exe
            Filesize

            1.8MB

            MD5

            ec4891ec2e1e54b6e32d1e1b3bdb5915

            SHA1

            c30c1fad6115013e814e288a1d06d2523aec6d95

            SHA256

            44a641d0d8a75103154273f34f65999770498af9f63aa8d878f4532718860ea6

            SHA512

            3ab4c039d3cf22c55dedf8506851ec3ea221849eb4e132928eb314c67c38a650b403afc4270874c2d2c46875f1a9ec668b83f7619793ef75758bc2398b4cc7cc

            Download Submit

          • memory/2040-233-0x000000001C580000-0x000000001C695000-memory.dmp

            Filesize

            1.1MB

            Download

          • memory/2368-43-0x0000020EF40F0000-0x0000020EF4112000-memory.dmp

            Filesize

            136KB

            Download

          • memory/2620-10-0x000000001B540000-0x000000001B590000-memory.dmp

            Filesize

            320KB

            Download

          • memory/2620-11-0x00007FFAB0500000-0x00007FFAB0FC1000-memory.dmp

            Filesize

            10.8MB

            Download

          • memory/2620-34-0x00007FFAB0500000-0x00007FFAB0FC1000-memory.dmp

            Filesize

            10.8MB

            Download

          • memory/2620-37-0x00007FFAB0500000-0x00007FFAB0FC1000-memory.dmp

            Filesize

            10.8MB

            Download

          • memory/2620-29-0x00007FFAB0500000-0x00007FFAB0FC1000-memory.dmp

            Filesize

            10.8MB

            Download

          • memory/2620-18-0x00007FFAB0500000-0x00007FFAB0FC1000-memory.dmp

            Filesize

            10.8MB

            Download

          • memory/2620-16-0x00007FFAB0500000-0x00007FFAB0FC1000-memory.dmp

            Filesize

            10.8MB

            Download

          • memory/2620-13-0x00000000029F0000-0x0000000002A08000-memory.dmp

            Filesize

            96KB

            Download

          • memory/2620-15-0x00000000029B0000-0x00000000029BC000-memory.dmp

            Filesize

            48KB

            Download

          • memory/2620-33-0x00007FFAB0500000-0x00007FFAB0FC1000-memory.dmp

            Filesize

            10.8MB

            Download

          • memory/2620-0-0x00007FFAB0503000-0x00007FFAB0505000-memory.dmp

            Filesize

            8KB

            Download

          • memory/2620-9-0x00000000029D0000-0x00000000029EC000-memory.dmp

            Filesize

            112KB

            Download

          • memory/2620-7-0x00007FFAB0500000-0x00007FFAB0FC1000-memory.dmp

            Filesize

            10.8MB

            Download

          • memory/2620-6-0x00000000011F0000-0x00000000011FE000-memory.dmp

            Filesize

            56KB

            Download

          • memory/2620-4-0x00007FFAB0500000-0x00007FFAB0FC1000-memory.dmp

            Filesize

            10.8MB

            Download

          • memory/2620-3-0x00007FFAB0500000-0x00007FFAB0FC1000-memory.dmp

            Filesize

            10.8MB

            Download

          • memory/2620-2-0x00007FFAB0500000-0x00007FFAB0FC1000-memory.dmp

            Filesize

            10.8MB

            Download

          • memory/2620-1-0x00000000006B0000-0x000000000088A000-memory.dmp

            Filesize

            1.9MB

            Download