Overview

overview

10

Static

static

4ad3d5b91e...d2.dll

windows7_x64

10

4ad3d5b91e...d2.dll

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    17/11/2020, 11:59

Sharing

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General

  • Target
    4ad3d5b91e02042b85af187df72411d2.dll
  • Size 820KB
  • Sample201117-cyf2fpyf56
  • SHA256 7d508c8c58cc60f2ccbe4c56fe7b7d768de0056d5da6eee1a624dab9b5d251e4
  • MD5 SHA1 SHA512
Score
10/10
dridexbotnetevasionloaderpersistencetrojan

Malware Config

Signatures

  • Dridex

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

    botnetdridex
  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

    botnetloader
  • Modifies Installed Components in the registry 2 TTPs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Drops file in Windows directory 27 IoCs
  • Modifies registry class 145 IoCs
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of AdjustPrivilegeToken 215 IoCs
  • Suspicious use of FindShellTrayWindow 195 IoCs
  • Suspicious use of SendNotifyMessage 395 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ad3d5b91e02042b85af187df72411d2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ad3d5b91e02042b85af187df72411d2.dll,#1
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      PID:2032
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1144
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1920
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1592
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1340
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1436
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2004
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:752
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1964
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:880
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    PID:1104
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    PID:1676
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:1888
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:1392
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:556
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:924
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:1740
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:1316
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:1588
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:1968
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies registry class
    PID:1992
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:1228
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:2024
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:1232
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:304
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:1996
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies registry class
    PID:1660
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:1816
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:1096
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:2044
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
      PID:1188

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/752-24-0x0000000004090000-0x0000000004091000-memory.dmp
          Download

          memory/1096-96-0x00000000039E0000-0x0000000003AE1000-memory.dmp
          Download

          memory/1144-4-0x00000000042F0000-0x00000000042F1000-memory.dmp
          Download

          memory/1232-82-0x0000000004120000-0x0000000004121000-memory.dmp
          Download

          memory/1232-81-0x0000000004120000-0x0000000004121000-memory.dmp
          Download

          memory/1340-20-0x0000000003FB0000-0x0000000003FB1000-memory.dmp
          Download

          memory/1592-13-0x00000000039D0000-0x00000000039D1000-memory.dmp
          Download

          memory/1592-17-0x00000000039D0000-0x00000000039D1000-memory.dmp
          Download

          memory/1592-14-0x00000000039D0000-0x00000000039D1000-memory.dmp
          Download

          memory/1920-11-0x0000000003F60000-0x0000000003F61000-memory.dmp
          Download

          memory/1920-8-0x0000000003F60000-0x0000000003F61000-memory.dmp
          Download

          memory/1920-7-0x00000000039F0000-0x00000000039F1000-memory.dmp
          Download

          memory/2032-1-0x0000000075120000-0x00000000751C7000-memory.dmp
          Download