Overview

overview

10

Static

static

cc7570a8f0...3c.dll

windows7_x64

10

cc7570a8f0...3c.dll

windows10_x64

10

Analysis

  • max time kernel
    156s
  • max time network
    156s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    28/09/2021, 09:27

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General

  • Target
    cc7570a8f00ca7bb7fcbf3b585f1125b7ca7c2214064ca9bf8bcbddad224823c.dll
  • Size 1.1MB
  • Sample210928-ler7fabeem
  • SHA256 cc7570a8f00ca7bb7fcbf3b585f1125b7ca7c2214064ca9bf8bcbddad224823c
  • MD5 SHA1 SHA512
Score
10/10
dridexbotnetevasionpayloadpersistencetrojan

Malware Config

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

    botnetdridex
  • Dridex Payload 2 IoCs

    Detects Dridex x64 core DLL in memory.

    botnetpayload
  • Dridex Shellcode 1 IoCs

    Detects Dridex Payload shellcode injected in Explorer process.

    botnetpayload
  • Executes dropped EXE 4 IoCs
  • Modifies Installed Components in the registry 2 TTPs
    persistence
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
    evasiontrojan
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 5 IoCs
  • Checks SCSI registry key(s) 3 TTPs 12 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 29 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 56 IoCs
  • Suspicious use of FindShellTrayWindow 46 IoCs
  • Suspicious use of SendNotifyMessage 25 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\cc7570a8f00ca7bb7fcbf3b585f1125b7ca7c2214064ca9bf8bcbddad224823c.dll
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:3184
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3284
    • C:\Windows\system32\SystemPropertiesRemote.exe
      C:\Windows\system32\SystemPropertiesRemote.exe
      2⤵
        PID:3296
      • C:\Users\Admin\AppData\Local\ayK77lX1\SystemPropertiesRemote.exe
        C:\Users\Admin\AppData\Local\ayK77lX1\SystemPropertiesRemote.exe
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:3420
      • C:\Windows\system32\consent.exe
        C:\Windows\system32\consent.exe
        2⤵
          PID:3696
        • C:\Users\Admin\AppData\Local\JZLr33Irf\consent.exe
          C:\Users\Admin\AppData\Local\JZLr33Irf\consent.exe
          2⤵
          • Executes dropped EXE
          PID:1848
        • C:\Windows\system32\unregmp2.exe
          C:\Windows\system32\unregmp2.exe
          2⤵
            PID:1300
          • C:\Users\Admin\AppData\Local\d4OX2EK\unregmp2.exe
            C:\Users\Admin\AppData\Local\d4OX2EK\unregmp2.exe
            2⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Checks whether UAC is enabled
            PID:1348
          • C:\Windows\system32\AtBroker.exe
            C:\Windows\system32\AtBroker.exe
            2⤵
              PID:2272
            • C:\Users\Admin\AppData\Local\93svLKuKS\AtBroker.exe
              C:\Users\Admin\AppData\Local\93svLKuKS\AtBroker.exe
              2⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks whether UAC is enabled
              PID:1008
          • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
            "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
            1⤵
            • Drops file in Windows directory
            • Suspicious use of SetWindowsHookEx
            PID:588
          • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
            "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
            1⤵
            • Drops file in Windows directory
            • Enumerates system info in registry
            • Modifies registry class
            • Suspicious use of SetWindowsHookEx
            PID:3020

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                memory/2848-130-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-147-0x0000000140000000-0x000000014010F000-memory.dmp
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                memory/2848-134-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-135-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-136-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-137-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-138-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-139-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-140-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-141-0x0000000140000000-0x000000014010F000-memory.dmp
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                memory/2848-143-0x0000000140000000-0x000000014010F000-memory.dmp
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                memory/2848-142-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-144-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-145-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-146-0x0000000140000000-0x000000014010F000-memory.dmp
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                memory/2848-133-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-121-0x00000000007E0000-0x00000000007E1000-memory.dmp
                Download

                memory/2848-123-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-132-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-131-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-124-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-122-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-129-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-128-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-127-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-126-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/2848-125-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/3184-115-0x0000000140000000-0x000000014010F000-memory.dmp
                Download

                memory/3184-120-0x0000000000B80000-0x0000000000B87000-memory.dmp
                Download

                memory/3284-157-0x0000000000730000-0x0000000000731000-memory.dmp
                Download

                memory/3420-162-0x0000000140000000-0x0000000140110000-memory.dmp
                Download