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
    600s
  • max time network
    598s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    19-05-2021 14:41

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 Loader 2 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • 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 26 IoCs
  • Suspicious use of FindShellTrayWindow 10 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 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:1832
  • C:\Windows\system32\DeviceEnroller.exe
    C:\Windows\system32\DeviceEnroller.exe
    1⤵
      PID:3876
    • C:\Users\Admin\AppData\Local\mlbHTZS\DeviceEnroller.exe
      C:\Users\Admin\AppData\Local\mlbHTZS\DeviceEnroller.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2988
    • C:\Windows\system32\LockScreenContentServer.exe
      C:\Windows\system32\LockScreenContentServer.exe
      1⤵
        PID:732
      • C:\Users\Admin\AppData\Local\VW8ILl\LockScreenContentServer.exe
        C:\Users\Admin\AppData\Local\VW8ILl\LockScreenContentServer.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:3576
      • C:\Windows\system32\Netplwiz.exe
        C:\Windows\system32\Netplwiz.exe
        1⤵
          PID:3852
        • C:\Users\Admin\AppData\Local\EZ1\Netplwiz.exe
          C:\Users\Admin\AppData\Local\EZ1\Netplwiz.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:1796

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\EZ1\NETPLWIZ.dll

          MD5

          7d51a4ca88e2e7f4362716f0575eea6a

          SHA1

          eea7840855e45340f1eaee7c018258c2bb675a45

          SHA256

          76289b13bf66d7cd221dc52def5e22d014a1795c79726c1228cc6c659a810a2e

          SHA512

          220790f0d1c3d07aeb264143b12a1d83fc96041cb533e761180751d5415908a90014b51f891dbd8585b11bd0e3b19782e60e43135024e4c3aa02bbf8f19cd554

        • C:\Users\Admin\AppData\Local\EZ1\Netplwiz.exe

          MD5

          a5acd80ecb8474371df9ea90c2276572

          SHA1

          a0fe5331bcb81aef9b0e0839ba0a71c2dcd78a08

          SHA256

          211ffe401b62de5ece1b863f3ba1c30279bd4b6a294141c80687005227c09388

          SHA512

          5e75bef5d25195ebf388ad771d713f80b2147348fc617677a9db9f3d94b65b25da332ef25b6790ac74349aeaefc2a18ae3b9573097f098313d0533f6e7ca9165

        • C:\Users\Admin\AppData\Local\VW8ILl\LockScreenContentServer.exe

          MD5

          583914a93db0413668eadd743fd5fb1c

          SHA1

          8b95be0ad348f0aabfcceac3148109ef12e8a978

          SHA256

          ec09ee1b2bb981335ea9db3ac031fbbc3ed74f9294d734a5799fb0d75e423583

          SHA512

          2f5c22cc3f557c65c876e8a943c7b3dec92d5c0b5219ab2410a334f42e442ef08d0c7b1c5c0797b83a17578a25ce70aa631a15be7ec6a6ea8a8d865dca0b9cd4

        • C:\Users\Admin\AppData\Local\VW8ILl\dwmapi.dll

          MD5

          38476b039febb0ae8dba6057456874e7

          SHA1

          eecbe7be8c814934f7b41fa6b9bf13dbd3f77f96

          SHA256

          1cdc48c2f9a04edb7635e37f488ff3c318c3e18ea3ed9bbb3dad1a6092cd5386

          SHA512

          368615d8767372cd99aea4ad7825fea8bbb8b018de2838e57e21183898f390aaa17c9fc99277c91f1863457e8c8cf503da885767a1c8de683c449147cfd201e9

        • C:\Users\Admin\AppData\Local\mlbHTZS\DeviceEnroller.exe

          MD5

          bd732a3a065f5cca6df003a7ca78bb35

          SHA1

          449d027d933fdd530a6a27d7c2132f98ee56374a

          SHA256

          fd5f32939c8de2d80a6f2481268313b5151c21c474c61635c92d2b8ea436955e

          SHA512

          d1cd727841522be31e979484cdea467501693e1a3bab2fabc72510c73698353c960f7d2c16be9a4406d804da2b2ad7da58827a630f9616ebe296cae481103701

        • C:\Users\Admin\AppData\Local\mlbHTZS\XmlLite.dll

          MD5

          c680d56cc2498c007ca161261f1d0537

          SHA1

          e067761b8dba7e913bdfda1539d0dc4fcfa5793c

          SHA256

          f6cd8c617302bd47d988f8a084afce454960a54b0058ecad3092bcb242b4ab3b

          SHA512

          2ec6bdedf9cfc8eff85dbf6393ef6f33312e978e92a1bec2572ccd97135c479285cb189835fb754f91fd03b931fbd216d3f5e3915f5eb915190d4af8e6e84ec2

        • \Users\Admin\AppData\Local\EZ1\NETPLWIZ.dll

          MD5

          7d51a4ca88e2e7f4362716f0575eea6a

          SHA1

          eea7840855e45340f1eaee7c018258c2bb675a45

          SHA256

          76289b13bf66d7cd221dc52def5e22d014a1795c79726c1228cc6c659a810a2e

          SHA512

          220790f0d1c3d07aeb264143b12a1d83fc96041cb533e761180751d5415908a90014b51f891dbd8585b11bd0e3b19782e60e43135024e4c3aa02bbf8f19cd554

        • \Users\Admin\AppData\Local\VW8ILl\dwmapi.dll

          MD5

          38476b039febb0ae8dba6057456874e7

          SHA1

          eecbe7be8c814934f7b41fa6b9bf13dbd3f77f96

          SHA256

          1cdc48c2f9a04edb7635e37f488ff3c318c3e18ea3ed9bbb3dad1a6092cd5386

          SHA512

          368615d8767372cd99aea4ad7825fea8bbb8b018de2838e57e21183898f390aaa17c9fc99277c91f1863457e8c8cf503da885767a1c8de683c449147cfd201e9

        • \Users\Admin\AppData\Local\mlbHTZS\XmlLite.dll

          MD5

          c680d56cc2498c007ca161261f1d0537

          SHA1

          e067761b8dba7e913bdfda1539d0dc4fcfa5793c

          SHA256

          f6cd8c617302bd47d988f8a084afce454960a54b0058ecad3092bcb242b4ab3b

          SHA512

          2ec6bdedf9cfc8eff85dbf6393ef6f33312e978e92a1bec2572ccd97135c479285cb189835fb754f91fd03b931fbd216d3f5e3915f5eb915190d4af8e6e84ec2

        • memory/1796-155-0x0000000000000000-mapping.dmp

        • memory/1832-119-0x00000176F6980000-0x00000176F6987000-memory.dmp

          Filesize

          28KB

        • memory/1832-114-0x0000000140000000-0x000000014009D000-memory.dmp

          Filesize

          628KB

        • memory/2988-139-0x0000000140000000-0x000000014009E000-memory.dmp

          Filesize

          632KB

        • memory/2988-135-0x0000000000000000-mapping.dmp

        • memory/3024-122-0x0000000140000000-0x000000014009D000-memory.dmp

          Filesize

          628KB

        • memory/3024-121-0x0000000140000000-0x000000014009D000-memory.dmp

          Filesize

          628KB

        • memory/3024-124-0x0000000140000000-0x000000014009D000-memory.dmp

          Filesize

          628KB

        • memory/3024-120-0x0000000000C60000-0x0000000000C61000-memory.dmp

          Filesize

          4KB

        • memory/3024-123-0x0000000140000000-0x000000014009D000-memory.dmp

          Filesize

          628KB

        • memory/3024-134-0x00007FFAC9304320-0x00007FFAC9305320-memory.dmp

          Filesize

          4KB

        • memory/3576-145-0x0000000000000000-mapping.dmp