Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-11-2024 17:07

General

  • Target

    53fb034c28cb389cc821736d248159eabf75b962d67c0a04fb05925cfeceac59.dll

  • Size

    676KB

  • MD5

    f598e27e26544b77e5fed315786c5ee6

  • SHA1

    f501b7faadb0716c1c28206d5c1f285a0d22b2bf

  • SHA256

    53fb034c28cb389cc821736d248159eabf75b962d67c0a04fb05925cfeceac59

  • SHA512

    81d118bde5aede49c71e8e55945e62794d7387b987633ce556129316c2df0feada5101b8611326e1f6827637eafb57d1a324a623c61a13a9ac53077f57687492

  • SSDEEP

    6144:W34xznfAp4x+NWMqW/KZ1vCDTEpc2bysCZR6iwAtUnWKT5WK8Rpv1llfFfCRAuTF:WIKp/UWCZdCDh2IZDwAFRpR6Au

Malware Config

Signatures

  • Dridex

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

  • Dridex family
  • Dridex Shellcode 1 IoCs

    Detects Dridex Payload shellcode injected in Explorer process.

  • Dridex payload 12 IoCs

    Detects Dridex x64 core DLL in memory.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\53fb034c28cb389cc821736d248159eabf75b962d67c0a04fb05925cfeceac59.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:2260
  • C:\Windows\system32\fvenotify.exe
    C:\Windows\system32\fvenotify.exe
    1⤵
      PID:2248
    • C:\Users\Admin\AppData\Local\QFnx6xfSn\fvenotify.exe
      C:\Users\Admin\AppData\Local\QFnx6xfSn\fvenotify.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      PID:1588
    • C:\Windows\system32\psr.exe
      C:\Windows\system32\psr.exe
      1⤵
        PID:3036
      • C:\Users\Admin\AppData\Local\gWIKlTt\psr.exe
        C:\Users\Admin\AppData\Local\gWIKlTt\psr.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:2596
      • C:\Windows\system32\WindowsAnytimeUpgradeResults.exe
        C:\Windows\system32\WindowsAnytimeUpgradeResults.exe
        1⤵
          PID:1104
        • C:\Users\Admin\AppData\Local\iGAN5\WindowsAnytimeUpgradeResults.exe
          C:\Users\Admin\AppData\Local\iGAN5\WindowsAnytimeUpgradeResults.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:444

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\QFnx6xfSn\fvenotify.exe

          Filesize

          117KB

          MD5

          e61d644998e07c02f0999388808ac109

          SHA1

          183130ad81ff4c7997582a484e759bf7769592d6

          SHA256

          15a85cd6fbcb1ec57d78f986d6dd8908bd56231ce0cf65775075512303f7e5fa

          SHA512

          310141b73394ae12a35f8d4f0c097868ee8a8045a62dd402a5dfbe2151980dd4fe18409ae3ca9422e3b88b2fa9afb04c1acbf8ec23a937a0a242b32a9a1e9272

        • C:\Users\Admin\AppData\Local\QFnx6xfSn\slc.dll

          Filesize

          680KB

          MD5

          a72238760e18d73dbda150788dc45597

          SHA1

          21da6d1545e9bb7d1c6d94ea0f5e4f3a6a255935

          SHA256

          d768c1e7efff860477b12fd67bedc9435a2a44f041321b0c7fda947e849beea6

          SHA512

          0c767bc34412c85089d71069264d4fd4571eae95f07e7cf27b9b13256d57b309c51c86ad49426f050a1eef63fddb062dcc071911fd837f5c8488d39dd1bee7e9

        • C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Wbvsyha.lnk

          Filesize

          1KB

          MD5

          c022a38ca2f2d1df85342fa70f92dd34

          SHA1

          bc54deb3a955dfe90a87d1e4c8970996a91feab0

          SHA256

          d27f0efb674e9f4ebe821ba0c3dbf8ab412e7b91068551a247e5046925feb2f5

          SHA512

          16e687dbd39552da0b7220d4759d53c51f66618246246ff39bf80179b5ec3ac7c21de4c8ae9bb72221fa0b86e395f066f9a0efee9c20441f3859a7ef4662c89e

        • \Users\Admin\AppData\Local\gWIKlTt\WTSAPI32.dll

          Filesize

          680KB

          MD5

          5b152fe331c5a855f6619dea2885417c

          SHA1

          f58a9406290f157b9d0911b97a3f9bb4d73646c8

          SHA256

          ab519586a526dd0ceabe4df4888acec3bf7aef4fc73dd4890f8d29d0c1edb85e

          SHA512

          1686a09f8f09fbdb8c4eb4a55c7cfc2bb3e04c4cb662c689f7421d6e9b9608b65350ee8b4e1444648451f93f8132986639c39202c7ad4b56a312712d7c8ea7c8

        • \Users\Admin\AppData\Local\gWIKlTt\psr.exe

          Filesize

          715KB

          MD5

          a80527109d75cba125d940b007eea151

          SHA1

          facf32a9ede6abfaa09368bfdfcfec8554107272

          SHA256

          68910f8aae867e938b6a3b76cdf176898ba275d9ade85b4ce00b03232de4c495

          SHA512

          77b86a597c33af8d3fbd9711f4abe6e0ca33b86279b1d28a25dcf3545a34b221be1ad7d11004d016203809cead1ebfd4b7e889ee9df2efc100eabf77963c1774

        • \Users\Admin\AppData\Local\iGAN5\DUI70.dll

          Filesize

          884KB

          MD5

          fc08ada48515cf857114041e53f0e71d

          SHA1

          40a5b2af6fe1c8a44f402174f565a57969b38d1b

          SHA256

          d071fda053d66484899246df29a1ac0c07abfe8df1a308f9b7a18cb615a92c71

          SHA512

          e4440675e94cb1bb83715b90fd31d5d7b8e8a79bd07f24e73e390870c2f45a2dee5a4b42f7551fdca766edb402e1db13d905ac495aaaacd540a5cc2db7641d3d

        • \Users\Admin\AppData\Local\iGAN5\WindowsAnytimeUpgradeResults.exe

          Filesize

          288KB

          MD5

          6f3f29905f0ec4ce22c1fd8acbf6c6de

          SHA1

          68bdfefe549dfa6262ad659f1578f3e87d862773

          SHA256

          e9c4d718d09a28de8a99386b0dd65429f433837c712314e98ec4f01031af595b

          SHA512

          16a9ad3183d7e11d9f0dd3c79363aa9a7af306f4f35a6f1e0cc1e175ef254e8052ec94dfd600dbe882f9ab41254d482cce9190ab7b0c005a34e46c66e8ff5f9e

        • memory/444-93-0x000007FEF5FA0000-0x000007FEF607D000-memory.dmp

          Filesize

          884KB

        • memory/444-89-0x000007FEF5FA0000-0x000007FEF607D000-memory.dmp

          Filesize

          884KB

        • memory/1260-16-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1260-47-0x0000000076F06000-0x0000000076F07000-memory.dmp

          Filesize

          4KB

        • memory/1260-15-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1260-14-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1260-13-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1260-12-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1260-11-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1260-10-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1260-9-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1260-8-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1260-28-0x00000000772A0000-0x00000000772A2000-memory.dmp

          Filesize

          8KB

        • memory/1260-27-0x0000000077270000-0x0000000077272000-memory.dmp

          Filesize

          8KB

        • memory/1260-39-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1260-38-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1260-3-0x0000000076F06000-0x0000000076F07000-memory.dmp

          Filesize

          4KB

        • memory/1260-4-0x0000000002E90000-0x0000000002E91000-memory.dmp

          Filesize

          4KB

        • memory/1260-17-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1260-18-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1260-6-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1260-7-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1260-26-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1260-25-0x0000000002A60000-0x0000000002A67000-memory.dmp

          Filesize

          28KB

        • memory/1588-60-0x000007FEFA800000-0x000007FEFA8AA000-memory.dmp

          Filesize

          680KB

        • memory/1588-55-0x0000000000290000-0x0000000000297000-memory.dmp

          Filesize

          28KB

        • memory/1588-56-0x000007FEFA800000-0x000007FEFA8AA000-memory.dmp

          Filesize

          680KB

        • memory/2260-0-0x000007FEF6770000-0x000007FEF6819000-memory.dmp

          Filesize

          676KB

        • memory/2260-46-0x000007FEF6770000-0x000007FEF6819000-memory.dmp

          Filesize

          676KB

        • memory/2260-2-0x0000000000390000-0x0000000000397000-memory.dmp

          Filesize

          28KB

        • memory/2596-74-0x0000000000110000-0x0000000000117000-memory.dmp

          Filesize

          28KB

        • memory/2596-72-0x000007FEF5FD0000-0x000007FEF607A000-memory.dmp

          Filesize

          680KB

        • memory/2596-77-0x000007FEF5FD0000-0x000007FEF607A000-memory.dmp

          Filesize

          680KB