Analysis

  • max time kernel
    150s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 19:27

General

  • Target

    e42961fbad9cd1334744a914b7382673d1ff416f4be4f6ca69e0cb65e271c95c.exe

  • Size

    255KB

  • MD5

    2585f8560b096706283512ffb787afc0

  • SHA1

    680c4d291f92aa9f454ff53f20530cb330585a88

  • SHA256

    e42961fbad9cd1334744a914b7382673d1ff416f4be4f6ca69e0cb65e271c95c

  • SHA512

    fcfd18cd32a342d81460116dab963d302f2e2183a653b4a268361ab5b328be4a364e99a33961935a2fdb11acb329d3a1460d24b804ca42a95927f2ed168df656

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJ+:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIb

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 6 IoCs
  • UPX packed file 33 IoCs

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

  • Loads dropped DLL 6 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 19 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 5 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 FindShellTrayWindow 21 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e42961fbad9cd1334744a914b7382673d1ff416f4be4f6ca69e0cb65e271c95c.exe
    "C:\Users\Admin\AppData\Local\Temp\e42961fbad9cd1334744a914b7382673d1ff416f4be4f6ca69e0cb65e271c95c.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:860
    • C:\Windows\SysWOW64\bhaqaxrhmx.exe
      bhaqaxrhmx.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:840
      • C:\Windows\SysWOW64\ocujipjx.exe
        C:\Windows\system32\ocujipjx.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:980
    • C:\Windows\SysWOW64\zweiovofflsitzx.exe
      zweiovofflsitzx.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1680
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ugdszvgprvzkf.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:584
        • C:\Windows\SysWOW64\ugdszvgprvzkf.exe
          ugdszvgprvzkf.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:1408
    • C:\Windows\SysWOW64\ocujipjx.exe
      ocujipjx.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:580
    • C:\Windows\SysWOW64\ugdszvgprvzkf.exe
      ugdszvgprvzkf.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:332
    • 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
      • Suspicious use of WriteProcessMemory
      PID:1576
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:588

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      255KB

      MD5

      1385fbf8cf19e4484d29a6fb1a92c9ab

      SHA1

      692efe3654af93759ce26fb52d92ccbd301ebdb3

      SHA256

      0f08968d60fdf7ea2de0a09e42fe0974c9884ae45dbd055543c429d50deeaa0c

      SHA512

      8776aac36911cc2fb4bab928ec83fe0e49ea9a3538355b578daaab000f2a9319cad7d7abd13fc4b1d0098a5ded9597d7dd9e046ff43a1fc162130018b3d6a002

    • C:\Windows\SysWOW64\bhaqaxrhmx.exe

      Filesize

      255KB

      MD5

      f09bb6d456047bbfc988a3686f819132

      SHA1

      d77e14c731741f7ee238e66f1b020efb4e88c683

      SHA256

      05e22593ef4c167f594c1e63b4f48f042ea94500e46f5c2a6deec8da6d76e8c5

      SHA512

      9d5ddf85d44b58a96a42855423bf23ad917ae52fed488dad78cc20077b02cb327400e2303e0d77a9e2c20682bf6d3b0e2a0c956cd90f8a6a5b9d9d1bd23d2d57

    • C:\Windows\SysWOW64\bhaqaxrhmx.exe

      Filesize

      255KB

      MD5

      f09bb6d456047bbfc988a3686f819132

      SHA1

      d77e14c731741f7ee238e66f1b020efb4e88c683

      SHA256

      05e22593ef4c167f594c1e63b4f48f042ea94500e46f5c2a6deec8da6d76e8c5

      SHA512

      9d5ddf85d44b58a96a42855423bf23ad917ae52fed488dad78cc20077b02cb327400e2303e0d77a9e2c20682bf6d3b0e2a0c956cd90f8a6a5b9d9d1bd23d2d57

    • C:\Windows\SysWOW64\ocujipjx.exe

      Filesize

      255KB

      MD5

      00118f5a3d1c7bc4f1e614246ea610c1

      SHA1

      5bad0a82554c1467d451e0477a85e4cbb3958277

      SHA256

      56f1ba6fd2d470169e4327db241f94304ba042265534c9cddbab60ad84f5acbb

      SHA512

      b60fe7c1f639c038c293d06894860c26b42205f65cce69b78d1fcedcfb1efb4c6def00640443dfe488aa3a1c808ba2929f977a73cfffad25ebcd021e9528da8d

    • C:\Windows\SysWOW64\ocujipjx.exe

      Filesize

      255KB

      MD5

      00118f5a3d1c7bc4f1e614246ea610c1

      SHA1

      5bad0a82554c1467d451e0477a85e4cbb3958277

      SHA256

      56f1ba6fd2d470169e4327db241f94304ba042265534c9cddbab60ad84f5acbb

      SHA512

      b60fe7c1f639c038c293d06894860c26b42205f65cce69b78d1fcedcfb1efb4c6def00640443dfe488aa3a1c808ba2929f977a73cfffad25ebcd021e9528da8d

    • C:\Windows\SysWOW64\ocujipjx.exe

      Filesize

      255KB

      MD5

      00118f5a3d1c7bc4f1e614246ea610c1

      SHA1

      5bad0a82554c1467d451e0477a85e4cbb3958277

      SHA256

      56f1ba6fd2d470169e4327db241f94304ba042265534c9cddbab60ad84f5acbb

      SHA512

      b60fe7c1f639c038c293d06894860c26b42205f65cce69b78d1fcedcfb1efb4c6def00640443dfe488aa3a1c808ba2929f977a73cfffad25ebcd021e9528da8d

    • C:\Windows\SysWOW64\ugdszvgprvzkf.exe

      Filesize

      255KB

      MD5

      49f0fd66f78d0ddf0f2057599ab5130d

      SHA1

      c38c0ce8ae5697853268c0c791dc789c65ad5a41

      SHA256

      824e8d3ef9bcc8ecb7c7c921fa347099b8b2fccc6b521db2597d9ac0700ab142

      SHA512

      79a6d38e5e841edca743df2a85d64b86ec571ec8678c63ccc4420e2c9cc5aae25aec40be5514f8f5f3240456e923f8333d0255e8b6c2d6efc8c626fb6a60713c

    • C:\Windows\SysWOW64\ugdszvgprvzkf.exe

      Filesize

      255KB

      MD5

      49f0fd66f78d0ddf0f2057599ab5130d

      SHA1

      c38c0ce8ae5697853268c0c791dc789c65ad5a41

      SHA256

      824e8d3ef9bcc8ecb7c7c921fa347099b8b2fccc6b521db2597d9ac0700ab142

      SHA512

      79a6d38e5e841edca743df2a85d64b86ec571ec8678c63ccc4420e2c9cc5aae25aec40be5514f8f5f3240456e923f8333d0255e8b6c2d6efc8c626fb6a60713c

    • C:\Windows\SysWOW64\ugdszvgprvzkf.exe

      Filesize

      255KB

      MD5

      49f0fd66f78d0ddf0f2057599ab5130d

      SHA1

      c38c0ce8ae5697853268c0c791dc789c65ad5a41

      SHA256

      824e8d3ef9bcc8ecb7c7c921fa347099b8b2fccc6b521db2597d9ac0700ab142

      SHA512

      79a6d38e5e841edca743df2a85d64b86ec571ec8678c63ccc4420e2c9cc5aae25aec40be5514f8f5f3240456e923f8333d0255e8b6c2d6efc8c626fb6a60713c

    • C:\Windows\SysWOW64\zweiovofflsitzx.exe

      Filesize

      255KB

      MD5

      372ce737f63fe9bb5125fa9a2c2b474a

      SHA1

      b608e899b48ac3cd10ba47b632cb894330819fe9

      SHA256

      fc31737d4583883747eaf659469e8776516be3c4469993cd20123492ceda2e0d

      SHA512

      65ce2c0edac419dfa42d432a006599453381e8167af21a945f6b9a43fa50edb6badb0f1c0f35552ad8c843b47e8aefd2cf083c38e90ebdb033d9915ec13450ff

    • C:\Windows\SysWOW64\zweiovofflsitzx.exe

      Filesize

      255KB

      MD5

      372ce737f63fe9bb5125fa9a2c2b474a

      SHA1

      b608e899b48ac3cd10ba47b632cb894330819fe9

      SHA256

      fc31737d4583883747eaf659469e8776516be3c4469993cd20123492ceda2e0d

      SHA512

      65ce2c0edac419dfa42d432a006599453381e8167af21a945f6b9a43fa50edb6badb0f1c0f35552ad8c843b47e8aefd2cf083c38e90ebdb033d9915ec13450ff

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\bhaqaxrhmx.exe

      Filesize

      255KB

      MD5

      f09bb6d456047bbfc988a3686f819132

      SHA1

      d77e14c731741f7ee238e66f1b020efb4e88c683

      SHA256

      05e22593ef4c167f594c1e63b4f48f042ea94500e46f5c2a6deec8da6d76e8c5

      SHA512

      9d5ddf85d44b58a96a42855423bf23ad917ae52fed488dad78cc20077b02cb327400e2303e0d77a9e2c20682bf6d3b0e2a0c956cd90f8a6a5b9d9d1bd23d2d57

    • \Windows\SysWOW64\ocujipjx.exe

      Filesize

      255KB

      MD5

      00118f5a3d1c7bc4f1e614246ea610c1

      SHA1

      5bad0a82554c1467d451e0477a85e4cbb3958277

      SHA256

      56f1ba6fd2d470169e4327db241f94304ba042265534c9cddbab60ad84f5acbb

      SHA512

      b60fe7c1f639c038c293d06894860c26b42205f65cce69b78d1fcedcfb1efb4c6def00640443dfe488aa3a1c808ba2929f977a73cfffad25ebcd021e9528da8d

    • \Windows\SysWOW64\ocujipjx.exe

      Filesize

      255KB

      MD5

      00118f5a3d1c7bc4f1e614246ea610c1

      SHA1

      5bad0a82554c1467d451e0477a85e4cbb3958277

      SHA256

      56f1ba6fd2d470169e4327db241f94304ba042265534c9cddbab60ad84f5acbb

      SHA512

      b60fe7c1f639c038c293d06894860c26b42205f65cce69b78d1fcedcfb1efb4c6def00640443dfe488aa3a1c808ba2929f977a73cfffad25ebcd021e9528da8d

    • \Windows\SysWOW64\ugdszvgprvzkf.exe

      Filesize

      255KB

      MD5

      49f0fd66f78d0ddf0f2057599ab5130d

      SHA1

      c38c0ce8ae5697853268c0c791dc789c65ad5a41

      SHA256

      824e8d3ef9bcc8ecb7c7c921fa347099b8b2fccc6b521db2597d9ac0700ab142

      SHA512

      79a6d38e5e841edca743df2a85d64b86ec571ec8678c63ccc4420e2c9cc5aae25aec40be5514f8f5f3240456e923f8333d0255e8b6c2d6efc8c626fb6a60713c

    • \Windows\SysWOW64\ugdszvgprvzkf.exe

      Filesize

      255KB

      MD5

      49f0fd66f78d0ddf0f2057599ab5130d

      SHA1

      c38c0ce8ae5697853268c0c791dc789c65ad5a41

      SHA256

      824e8d3ef9bcc8ecb7c7c921fa347099b8b2fccc6b521db2597d9ac0700ab142

      SHA512

      79a6d38e5e841edca743df2a85d64b86ec571ec8678c63ccc4420e2c9cc5aae25aec40be5514f8f5f3240456e923f8333d0255e8b6c2d6efc8c626fb6a60713c

    • \Windows\SysWOW64\zweiovofflsitzx.exe

      Filesize

      255KB

      MD5

      372ce737f63fe9bb5125fa9a2c2b474a

      SHA1

      b608e899b48ac3cd10ba47b632cb894330819fe9

      SHA256

      fc31737d4583883747eaf659469e8776516be3c4469993cd20123492ceda2e0d

      SHA512

      65ce2c0edac419dfa42d432a006599453381e8167af21a945f6b9a43fa50edb6badb0f1c0f35552ad8c843b47e8aefd2cf083c38e90ebdb033d9915ec13450ff

    • memory/332-87-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/332-108-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/580-107-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/580-117-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/580-85-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/584-88-0x0000000000260000-0x0000000000300000-memory.dmp

      Filesize

      640KB

    • memory/588-113-0x000007FEFB741000-0x000007FEFB743000-memory.dmp

      Filesize

      8KB

    • memory/840-98-0x0000000003870000-0x0000000003910000-memory.dmp

      Filesize

      640KB

    • memory/840-105-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/840-82-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/860-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

      Filesize

      8KB

    • memory/860-86-0x0000000002F30000-0x0000000002FD0000-memory.dmp

      Filesize

      640KB

    • memory/860-95-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/860-84-0x0000000002F30000-0x0000000002FD0000-memory.dmp

      Filesize

      640KB

    • memory/860-81-0x0000000002F30000-0x0000000002FD0000-memory.dmp

      Filesize

      640KB

    • memory/860-80-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/980-99-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/980-116-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/980-110-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1408-109-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1408-89-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1576-102-0x0000000070C9D000-0x0000000070CA8000-memory.dmp

      Filesize

      44KB

    • memory/1576-100-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1576-111-0x0000000070C9D000-0x0000000070CA8000-memory.dmp

      Filesize

      44KB

    • memory/1576-97-0x000000006FCB1000-0x000000006FCB3000-memory.dmp

      Filesize

      8KB

    • memory/1576-96-0x0000000072231000-0x0000000072234000-memory.dmp

      Filesize

      12KB

    • memory/1576-114-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1576-115-0x0000000070C9D000-0x0000000070CA8000-memory.dmp

      Filesize

      44KB

    • memory/1680-106-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1680-83-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB