Resubmissions

28-05-2021 05:59

210528-mj2qwc9z3x 10

19-05-2021 14:41

210519-khtrssqv6a 10

10-05-2021 18:06

210510-ncy7w9kqte 10

Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    10-05-2021 18:06

General

  • Target

    93394d6e_by_Libranalysis.dll

  • Size

    588KB

  • MD5

    93394d6e0ea894922267955095fabbc9

  • SHA1

    38ac582b64fb09f212aceddf5e3cc13946c69985

  • SHA256

    7f0f199833687549249b22ec50bbcb234d2ad2b8da993a6cbc86db8a53236530

  • SHA512

    aceecbcccd6fe48586d695b0ef04d7d0b998069dbb6545dc9ca96045f896281663027cf048ce2d0f27d0e2990f03c1f592322bfa9bc9776f153d07c6993cc8e7

Malware Config

Signatures

  • Dridex

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

  • Dridex Payload 2 IoCs

    Detects Dridex x64 core DLL in memory.

  • Dridex Shellcode 1 IoCs

    Detects Dridex Payload shellcode injected in Explorer process.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\93394d6e_by_Libranalysis.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:3992
  • C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    1⤵
      PID:1516
    • C:\Users\Admin\AppData\Local\aGi7FNo3\sppsvc.exe
      C:\Users\Admin\AppData\Local\aGi7FNo3\sppsvc.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:3776
    • C:\Windows\system32\SppExtComObj.Exe
      C:\Windows\system32\SppExtComObj.Exe
      1⤵
        PID:3464
      • C:\Users\Admin\AppData\Local\ehxOzmz\SppExtComObj.Exe
        C:\Users\Admin\AppData\Local\ehxOzmz\SppExtComObj.Exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:3296
      • C:\Windows\system32\CloudNotifications.exe
        C:\Windows\system32\CloudNotifications.exe
        1⤵
          PID:1360
        • C:\Users\Admin\AppData\Local\Qr1qP\CloudNotifications.exe
          C:\Users\Admin\AppData\Local\Qr1qP\CloudNotifications.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:1160

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3036-120-0x0000000000660000-0x0000000000661000-memory.dmp

          Filesize

          4KB

        • memory/3036-122-0x0000000140000000-0x000000014009D000-memory.dmp

          Filesize

          628KB

        • memory/3036-123-0x0000000140000000-0x000000014009D000-memory.dmp

          Filesize

          628KB

        • memory/3036-133-0x00007FFE0A3D4320-0x00007FFE0A3D5320-memory.dmp

          Filesize

          4KB

        • memory/3036-121-0x0000000140000000-0x000000014009D000-memory.dmp

          Filesize

          628KB

        • memory/3036-124-0x0000000140000000-0x000000014009D000-memory.dmp

          Filesize

          628KB

        • memory/3776-139-0x0000000140000000-0x000000014009E000-memory.dmp

          Filesize

          632KB

        • memory/3992-114-0x0000000140000000-0x000000014009D000-memory.dmp

          Filesize

          628KB

        • memory/3992-119-0x000001B5A9910000-0x000001B5A9917000-memory.dmp

          Filesize

          28KB