Analysis

  • max time kernel
    151s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 16:06

General

  • Target

    de656fea662c03345514943c58798a62f8a93d419c29d246c3edbc0392eb75d0.exe

  • Size

    255KB

  • MD5

    0e57595d58cb73aaa0e1337ea7f219a0

  • SHA1

    73c20152b48503aa6000967676aff594b9bdde57

  • SHA256

    de656fea662c03345514943c58798a62f8a93d419c29d246c3edbc0392eb75d0

  • SHA512

    96e60ee445082ae044943aec862cc51cbabbb911eb52b8f517f698b931cfe0da6c25d28eb2db44b285a16363a2225f5586e3176db2d84dcfc8f2d85b90bd61af

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJl:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIA

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • UPX packed file 30 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 14 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of FindShellTrayWindow 61 IoCs
  • Suspicious use of SendNotifyMessage 48 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de656fea662c03345514943c58798a62f8a93d419c29d246c3edbc0392eb75d0.exe
    "C:\Users\Admin\AppData\Local\Temp\de656fea662c03345514943c58798a62f8a93d419c29d246c3edbc0392eb75d0.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\SysWOW64\bnutuyqood.exe
      bnutuyqood.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1892
      • C:\Windows\SysWOW64\uygthywy.exe
        C:\Windows\system32\uygthywy.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2008
    • C:\Windows\SysWOW64\ljuvhkqkbogwrom.exe
      ljuvhkqkbogwrom.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:972
    • C:\Windows\SysWOW64\uygthywy.exe
      uygthywy.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:320
    • C:\Windows\SysWOW64\gmpgzbtuvniyd.exe
      gmpgzbtuvniyd.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1732
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1472
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1904
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x58c
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:672
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2004

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe

          Filesize

          255KB

          MD5

          fc549e2fe8ce2c7c7b449bd71b08f3e4

          SHA1

          46396a40e79b3abddd13e0d542e0577a79657098

          SHA256

          379b5c4a97b10ce34d9e5e13b8eaf84d79ee144cc9470991decd0bb7e873fb0a

          SHA512

          707c8291e37d7fa4f82dd4ea6003cdf53987ade1feb0d33ab730f1b2ed7230ce3a2d98bdb5f693e818c3a946b1de2646d2761297f376717ab0d4e80799d18593

        • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe

          Filesize

          255KB

          MD5

          c41d30e007bb6aaa12dc5e49a0b018cd

          SHA1

          3782308eea3133f5d2ae71b99987450dec2da04f

          SHA256

          052c073922367b43df96daa67448555a966959a309d8200e85f554d4e7d4bdfd

          SHA512

          0e1b9c66fd207fc5a38a3aeba77709b19739fe8d652143964dc1911b5629c5aa3ab5629fcca02b9d8a163ae604897c32adeae7eeeeff0d331a66dad597f76628

        • C:\Windows\SysWOW64\bnutuyqood.exe

          Filesize

          255KB

          MD5

          c9d3cbdaefda2ed38aec88d034f8b92f

          SHA1

          e52709140a880f528d07105f69de3282d30af792

          SHA256

          6c4399eb370d451dc1d3e3e348e3f248be0d0c078e970f8bb2f5547afd074c19

          SHA512

          f8db752fd63f6bfc015dd69342c046c27e4e4d6da6e34473c8f092579a3910aae8742a7cd9f82f3d7cc7f93a0470b5adfd90d787489611505a9c1b20fb12b370

        • C:\Windows\SysWOW64\bnutuyqood.exe

          Filesize

          255KB

          MD5

          c9d3cbdaefda2ed38aec88d034f8b92f

          SHA1

          e52709140a880f528d07105f69de3282d30af792

          SHA256

          6c4399eb370d451dc1d3e3e348e3f248be0d0c078e970f8bb2f5547afd074c19

          SHA512

          f8db752fd63f6bfc015dd69342c046c27e4e4d6da6e34473c8f092579a3910aae8742a7cd9f82f3d7cc7f93a0470b5adfd90d787489611505a9c1b20fb12b370

        • C:\Windows\SysWOW64\gmpgzbtuvniyd.exe

          Filesize

          255KB

          MD5

          f6fa5b865b7a2398aefb1b84da15d507

          SHA1

          f6246ed6d18716210aaac3d95f9a77478ab2892b

          SHA256

          f65b2581752ae0f711c91bb05e348a93416bb351a1691c19ba97b4ea3793d349

          SHA512

          3e54df6315343787004f9428ee10d6c081625e47f2342be57a0c68f35a7db2af0ed0563a0c32888409901b3c68fec6be7dc11a244f77bde210048c45829a0417

        • C:\Windows\SysWOW64\gmpgzbtuvniyd.exe

          Filesize

          255KB

          MD5

          f6fa5b865b7a2398aefb1b84da15d507

          SHA1

          f6246ed6d18716210aaac3d95f9a77478ab2892b

          SHA256

          f65b2581752ae0f711c91bb05e348a93416bb351a1691c19ba97b4ea3793d349

          SHA512

          3e54df6315343787004f9428ee10d6c081625e47f2342be57a0c68f35a7db2af0ed0563a0c32888409901b3c68fec6be7dc11a244f77bde210048c45829a0417

        • C:\Windows\SysWOW64\ljuvhkqkbogwrom.exe

          Filesize

          255KB

          MD5

          5db9175409663bca6aa076cc86ad79d4

          SHA1

          f158fe3260b71789e3bc877d7c7799c58a7a49cb

          SHA256

          c59513cb7249baf047107c89d34bf180383a22447d1b6648195a2d80da3fd03d

          SHA512

          235d35356886ac3ff1de0a09e05e793daa9a7d998c48936080b9b164330c3c53cc1769de4bd9a5c95ac0240df5731c469909ed734f5e048c8bc82c3499f69d70

        • C:\Windows\SysWOW64\ljuvhkqkbogwrom.exe

          Filesize

          255KB

          MD5

          5db9175409663bca6aa076cc86ad79d4

          SHA1

          f158fe3260b71789e3bc877d7c7799c58a7a49cb

          SHA256

          c59513cb7249baf047107c89d34bf180383a22447d1b6648195a2d80da3fd03d

          SHA512

          235d35356886ac3ff1de0a09e05e793daa9a7d998c48936080b9b164330c3c53cc1769de4bd9a5c95ac0240df5731c469909ed734f5e048c8bc82c3499f69d70

        • C:\Windows\SysWOW64\uygthywy.exe

          Filesize

          255KB

          MD5

          c121e2118ca19429cdf0e20b5650ac72

          SHA1

          3d5ebe04ddecc8c57fa447def0a558bc7910bb7e

          SHA256

          190f75b7f1d6392a0b5b48cd597d32b26c52aa35d1d91ed22cbb9f08e65f30f8

          SHA512

          01a1bcb295ab597f578ccd2de556ec4774d9258da986477a80717b79266ff811529ec0fcbef564a33328f0769d30c80f2b6c88f42aa4299944e9ad0ea34b5c9b

        • C:\Windows\SysWOW64\uygthywy.exe

          Filesize

          255KB

          MD5

          c121e2118ca19429cdf0e20b5650ac72

          SHA1

          3d5ebe04ddecc8c57fa447def0a558bc7910bb7e

          SHA256

          190f75b7f1d6392a0b5b48cd597d32b26c52aa35d1d91ed22cbb9f08e65f30f8

          SHA512

          01a1bcb295ab597f578ccd2de556ec4774d9258da986477a80717b79266ff811529ec0fcbef564a33328f0769d30c80f2b6c88f42aa4299944e9ad0ea34b5c9b

        • C:\Windows\SysWOW64\uygthywy.exe

          Filesize

          255KB

          MD5

          c121e2118ca19429cdf0e20b5650ac72

          SHA1

          3d5ebe04ddecc8c57fa447def0a558bc7910bb7e

          SHA256

          190f75b7f1d6392a0b5b48cd597d32b26c52aa35d1d91ed22cbb9f08e65f30f8

          SHA512

          01a1bcb295ab597f578ccd2de556ec4774d9258da986477a80717b79266ff811529ec0fcbef564a33328f0769d30c80f2b6c88f42aa4299944e9ad0ea34b5c9b

        • C:\Windows\mydoc.rtf

          Filesize

          223B

          MD5

          06604e5941c126e2e7be02c5cd9f62ec

          SHA1

          4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

          SHA256

          85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

          SHA512

          803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

        • \Windows\SysWOW64\bnutuyqood.exe

          Filesize

          255KB

          MD5

          c9d3cbdaefda2ed38aec88d034f8b92f

          SHA1

          e52709140a880f528d07105f69de3282d30af792

          SHA256

          6c4399eb370d451dc1d3e3e348e3f248be0d0c078e970f8bb2f5547afd074c19

          SHA512

          f8db752fd63f6bfc015dd69342c046c27e4e4d6da6e34473c8f092579a3910aae8742a7cd9f82f3d7cc7f93a0470b5adfd90d787489611505a9c1b20fb12b370

        • \Windows\SysWOW64\gmpgzbtuvniyd.exe

          Filesize

          255KB

          MD5

          f6fa5b865b7a2398aefb1b84da15d507

          SHA1

          f6246ed6d18716210aaac3d95f9a77478ab2892b

          SHA256

          f65b2581752ae0f711c91bb05e348a93416bb351a1691c19ba97b4ea3793d349

          SHA512

          3e54df6315343787004f9428ee10d6c081625e47f2342be57a0c68f35a7db2af0ed0563a0c32888409901b3c68fec6be7dc11a244f77bde210048c45829a0417

        • \Windows\SysWOW64\ljuvhkqkbogwrom.exe

          Filesize

          255KB

          MD5

          5db9175409663bca6aa076cc86ad79d4

          SHA1

          f158fe3260b71789e3bc877d7c7799c58a7a49cb

          SHA256

          c59513cb7249baf047107c89d34bf180383a22447d1b6648195a2d80da3fd03d

          SHA512

          235d35356886ac3ff1de0a09e05e793daa9a7d998c48936080b9b164330c3c53cc1769de4bd9a5c95ac0240df5731c469909ed734f5e048c8bc82c3499f69d70

        • \Windows\SysWOW64\uygthywy.exe

          Filesize

          255KB

          MD5

          c121e2118ca19429cdf0e20b5650ac72

          SHA1

          3d5ebe04ddecc8c57fa447def0a558bc7910bb7e

          SHA256

          190f75b7f1d6392a0b5b48cd597d32b26c52aa35d1d91ed22cbb9f08e65f30f8

          SHA512

          01a1bcb295ab597f578ccd2de556ec4774d9258da986477a80717b79266ff811529ec0fcbef564a33328f0769d30c80f2b6c88f42aa4299944e9ad0ea34b5c9b

        • \Windows\SysWOW64\uygthywy.exe

          Filesize

          255KB

          MD5

          c121e2118ca19429cdf0e20b5650ac72

          SHA1

          3d5ebe04ddecc8c57fa447def0a558bc7910bb7e

          SHA256

          190f75b7f1d6392a0b5b48cd597d32b26c52aa35d1d91ed22cbb9f08e65f30f8

          SHA512

          01a1bcb295ab597f578ccd2de556ec4774d9258da986477a80717b79266ff811529ec0fcbef564a33328f0769d30c80f2b6c88f42aa4299944e9ad0ea34b5c9b

        • memory/320-84-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/320-100-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/320-105-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/972-83-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/972-99-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/1472-89-0x0000000070861000-0x0000000070863000-memory.dmp

          Filesize

          8KB

        • memory/1472-103-0x000000007184D000-0x0000000071858000-memory.dmp

          Filesize

          44KB

        • memory/1472-92-0x000000007184D000-0x0000000071858000-memory.dmp

          Filesize

          44KB

        • memory/1472-90-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/1472-88-0x0000000072DE1000-0x0000000072DE4000-memory.dmp

          Filesize

          12KB

        • memory/1732-85-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/1732-101-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/1892-86-0x00000000038B0000-0x0000000003950000-memory.dmp

          Filesize

          640KB

        • memory/1892-82-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/1892-98-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/1904-94-0x000007FEFC2F1000-0x000007FEFC2F3000-memory.dmp

          Filesize

          8KB

        • memory/2008-87-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/2008-102-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/2008-104-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/2032-55-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB

        • memory/2032-54-0x0000000075A71000-0x0000000075A73000-memory.dmp

          Filesize

          8KB

        • memory/2032-81-0x0000000000400000-0x00000000004A0000-memory.dmp

          Filesize

          640KB