Overview

overview

10

Static

static

3

44a641d0d8...a6.exe

windows7-x64

10

44a641d0d8...a6.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    144s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 02:19

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General

  • Target

    44a641d0d8a75103154273f34f65999770498af9f63aa8d878f4532718860ea6.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.

  • Executes dropped EXE 1 IoCs
  • 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 2 IoCs
  • Drops file in Windows directory 5 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\44a641d0d8a75103154273f34f65999770498af9f63aa8d878f4532718860ea6.exe
    "C:\Users\Admin\AppData\Local\Temp\44a641d0d8a75103154273f34f65999770498af9f63aa8d878f4532718860ea6.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:1652
    • 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:1620
    • 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:4224
    • 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:4464
    • 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:4360
    • 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:2652
    • 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:2424
    • 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:4408
    • 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:4248
    • 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:1124
    • 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:3148
    • 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:1392
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\Mozilla Firefox\browser\lsass.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:4484
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\All Users\SoftwareDistribution\fontdrvhost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:552
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\Migration\WTR\OfficeClickToRun.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:860
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\unsecapp.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:1044
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\Help\Windows\IndexStore\RuntimeBroker.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:4368
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\44a641d0d8a75103154273f34f65999770498af9f63aa8d878f4532718860ea6.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:2864
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\Q1uSQ4SVHF.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:388
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:5828
        • C:\Windows\system32\PING.EXE
          ping -n 10 localhost
          3⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:6096
        • C:\Windows\Help\Windows\IndexStore\RuntimeBroker.exe
          "C:\Windows\Help\Windows\IndexStore\RuntimeBroker.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:2588

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\Mozilla Firefox\browser\lsass.exe
      Filesize

      1.8MB

      MD5

      ec4891ec2e1e54b6e32d1e1b3bdb5915

      SHA1

      c30c1fad6115013e814e288a1d06d2523aec6d95

      SHA256

      44a641d0d8a75103154273f34f65999770498af9f63aa8d878f4532718860ea6

      SHA512

      3ab4c039d3cf22c55dedf8506851ec3ea221849eb4e132928eb314c67c38a650b403afc4270874c2d2c46875f1a9ec668b83f7619793ef75758bc2398b4cc7cc

      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

      d28a889fd956d5cb3accfbaf1143eb6f

      SHA1

      157ba54b365341f8ff06707d996b3635da8446f7

      SHA256

      21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

      SHA512

      0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

      Download Submit

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

      944B

      MD5

      3a6bad9528f8e23fb5c77fbd81fa28e8

      SHA1

      f127317c3bc6407f536c0f0600dcbcf1aabfba36

      SHA256

      986366767de5873f1b170a63f2a33ce05132d1afd90c8f5017afbca8ef1beb05

      SHA512

      846002154a0ece6f3e9feda6f115d3161dc21b3789525dd62ae1d9188495171293efdbe7be4710666dd8a15e66b557315b5a02918a741ed1d5f3ff0c515b98e2

      Download Submit

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

      944B

      MD5

      cadef9abd087803c630df65264a6c81c

      SHA1

      babbf3636c347c8727c35f3eef2ee643dbcc4bd2

      SHA256

      cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

      SHA512

      7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

      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\Temp\Q1uSQ4SVHF.bat
      Filesize

      180B

      MD5

      d50684aedbafd74ec8ca74829fea2883

      SHA1

      9c615327a00d0abebcac5f4ce4d6a10a5537b51a

      SHA256

      e4ff7e02d45a0fc3dfa0778254aa465c88f64ede365c0af1a5b4372e3288c416

      SHA512

      10dff812f7927de12accbc67369a48a50a3d34aab7ab5834acb347621a809111c785be8d86108a29bf2c3e00695639019e122b69db74718df0e8a2752b36e1a7

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ulqxo3sx.1yh.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      Download Submit

    • memory/860-39-0x000002675EEA0000-0x000002675EEC2000-memory.dmp

      Filesize

      136KB

      Download

    • memory/1652-26-0x00007FFE767C0000-0x00007FFE77281000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1652-37-0x000000001C2E0000-0x000000001C3AD000-memory.dmp

      Filesize

      820KB

      Download

    • memory/1652-11-0x00007FFE767C0000-0x00007FFE77281000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1652-16-0x00007FFE767C0000-0x00007FFE77281000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1652-15-0x0000000003410000-0x000000000341C000-memory.dmp

      Filesize

      48KB

      Download

    • memory/1652-0-0x00007FFE767C3000-0x00007FFE767C5000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1652-33-0x00007FFE767C0000-0x00007FFE77281000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1652-34-0x00007FFE767C0000-0x00007FFE77281000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1652-38-0x00007FFE767C0000-0x00007FFE77281000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1652-13-0x000000001BC30000-0x000000001BC48000-memory.dmp

      Filesize

      96KB

      Download

    • memory/1652-10-0x000000001BC80000-0x000000001BCD0000-memory.dmp

      Filesize

      320KB

      Download

    • memory/1652-9-0x000000001BC10000-0x000000001BC2C000-memory.dmp

      Filesize

      112KB

      Download

    • memory/1652-29-0x00007FFE767C0000-0x00007FFE77281000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1652-7-0x00007FFE767C0000-0x00007FFE77281000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1652-6-0x0000000003400000-0x000000000340E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1652-4-0x00007FFE767C0000-0x00007FFE77281000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1652-3-0x00007FFE767C0000-0x00007FFE77281000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1652-2-0x00007FFE767C0000-0x00007FFE77281000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/1652-1-0x0000000000F00000-0x00000000010DA000-memory.dmp

      Filesize

      1.9MB

      Download

    • memory/2588-234-0x000000001D740000-0x000000001D80D000-memory.dmp

      Filesize

      820KB

      Download