Analysis

  • max time kernel
    170s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 21:06

General

  • Target

    245ce1f8de51a44737847b5ee5c7a9868e9c65362f9beea39c2a140c2eb2f3f1.exe

  • Size

    255KB

  • MD5

    890c6a7f31c5a3d6c62eda68b1f316e8

  • SHA1

    10330c54bf001d0ae9ce94d911cc154f02e97e0e

  • SHA256

    245ce1f8de51a44737847b5ee5c7a9868e9c65362f9beea39c2a140c2eb2f3f1

  • SHA512

    c9d527d3316d8a64f19c0d2b5ea2bb06776b3e31bdc9473e0d2d449a95c5756f4b4c63178da2ef5b573c5f3c0e715caa6c55a01295f46beeaa93afe5a0548338

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJU:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI7

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
  • UPX packed file 28 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 12 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\245ce1f8de51a44737847b5ee5c7a9868e9c65362f9beea39c2a140c2eb2f3f1.exe
    "C:\Users\Admin\AppData\Local\Temp\245ce1f8de51a44737847b5ee5c7a9868e9c65362f9beea39c2a140c2eb2f3f1.exe"
    1⤵
    • Checks computer location settings
    • 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:4740
    • C:\Windows\SysWOW64\gtpfsbuxye.exe
      gtpfsbuxye.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
      • 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:480
      • C:\Windows\SysWOW64\jeppgnoi.exe
        C:\Windows\system32\jeppgnoi.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4848
    • C:\Windows\SysWOW64\xyjfqvvwvggscra.exe
      xyjfqvvwvggscra.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3404
    • C:\Windows\SysWOW64\jeppgnoi.exe
      jeppgnoi.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1292
    • C:\Windows\SysWOW64\eafxvtjxgxqom.exe
      eafxvtjxgxqom.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3856
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:2264

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe

    Filesize

    255KB

    MD5

    2c911fc7bddd2bd63827af38773faa93

    SHA1

    7c94518884d5830cc0b999e7be8256b8fd0fccfe

    SHA256

    d5a4fdbab3e58211c0cd355eee0a77d03b2d05569d2758bde1d35f61f9a6c600

    SHA512

    61bf2a01ba8e42c70736ed5029806a42bb88dcf07afa8f2244bf8d994a31db22bc45c169853db675fe37ea570e1357046287bbb409798dc4ea6fed8d4da7e951

  • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe

    Filesize

    255KB

    MD5

    01c55bab794d27e81f67c96b5cd4d561

    SHA1

    e3ef158453fcd85d8f0051e575113baeb474e960

    SHA256

    605a9d9ae575efc8f2c519234324b53cbaca281c08e255c0316a32a12b565451

    SHA512

    ae0e1e28c5e7bba81032ca9d226c28c06a005c9947ad9093edb9e7122c42c50b0adb5c8cc54566098b604b6e3578dd8d230f4ef64127fc12abf70ca274815446

  • C:\Users\Admin\AppData\Roaming\MergeSend.doc.exe

    Filesize

    255KB

    MD5

    44c05e3605018c497efba5f6b9102e70

    SHA1

    d68c32b05048888cd4fcaf257a73b46d1ee60e13

    SHA256

    10e808020cac7311f84879f82579a26587bd11a5cb446c54f5d5316b3170f8ca

    SHA512

    ede2c7c1b6939b3fee57a14d8863872d6b6e4fea1401f0c378a31e5d6ddbfb814893edef0ac47215a57d4f3d7fa0daa310ec239cd86b088474e1912acef7060b

  • C:\Users\Admin\Downloads\CompleteTrace.doc.exe

    Filesize

    255KB

    MD5

    685cca34f7b5cf65f2a3519b634b85dc

    SHA1

    268a8e8676f3b01ea1ddc528e87a8879a551d86a

    SHA256

    606013656998518a6efacb71edcd2bd7bf2fbd09c0b5268e4636c6edfadc5351

    SHA512

    69d65e9ea702381b30e1d073120a984b9fd84676b807df75c3c009f7e7d1c23cedc4b94b075b169e996673bf311d423f43ec62aac83b5c111caafd1c5ee44b52

  • C:\Users\Admin\Downloads\CompleteTrace.doc.exe

    Filesize

    255KB

    MD5

    931974817e0bcfe050907a3e5e6a61e1

    SHA1

    41b11434a56ac3276ba560ba0335fa16cea0b1ee

    SHA256

    44f916f8dbe84ed3964858ce981e790f856185ca35074fa0464b7455c4375b84

    SHA512

    8c7368770a49cb796c090dda4bf8cbb34383edaca53c5d33317380be7d597b5c9edccf01c7c4c809ac9d0c9783fa6314749204d92220c34db883f5a87515abc1

  • C:\Windows\SysWOW64\eafxvtjxgxqom.exe

    Filesize

    255KB

    MD5

    bef18912deb75c8edddbc76e788112bb

    SHA1

    80627f0d7939b380ea2bd74173ccbf16e207cba4

    SHA256

    e16a998e9d8b145bbc29366831ff766fabba61b5706643d16a691150300f2518

    SHA512

    e2c5fb6e05c52ec0b5292f0849c469f2a67655dc27c5598b6ccfb636f3f9b8a8e91313bff726ef61857f9f5a42151601617ea30257496d21c79ac6993e713866

  • C:\Windows\SysWOW64\eafxvtjxgxqom.exe

    Filesize

    255KB

    MD5

    bef18912deb75c8edddbc76e788112bb

    SHA1

    80627f0d7939b380ea2bd74173ccbf16e207cba4

    SHA256

    e16a998e9d8b145bbc29366831ff766fabba61b5706643d16a691150300f2518

    SHA512

    e2c5fb6e05c52ec0b5292f0849c469f2a67655dc27c5598b6ccfb636f3f9b8a8e91313bff726ef61857f9f5a42151601617ea30257496d21c79ac6993e713866

  • C:\Windows\SysWOW64\gtpfsbuxye.exe

    Filesize

    255KB

    MD5

    67118608b6079c241d23288cf2de80d6

    SHA1

    9a7e82ae8a1c872f28ee56fa4262c97f21dc7a31

    SHA256

    9d813e11ae440e544b6d605ad61c25b8c6e021497d00c0e7ff64d47dbda07032

    SHA512

    22f299d101f1db527a1e9708d8e905b73a5c40ae955229ccae149168ac31a7346d71e76f14bf9b12fc6b8fc5dd6098268e23c475a0e1a473ac06d3305112308b

  • C:\Windows\SysWOW64\gtpfsbuxye.exe

    Filesize

    255KB

    MD5

    67118608b6079c241d23288cf2de80d6

    SHA1

    9a7e82ae8a1c872f28ee56fa4262c97f21dc7a31

    SHA256

    9d813e11ae440e544b6d605ad61c25b8c6e021497d00c0e7ff64d47dbda07032

    SHA512

    22f299d101f1db527a1e9708d8e905b73a5c40ae955229ccae149168ac31a7346d71e76f14bf9b12fc6b8fc5dd6098268e23c475a0e1a473ac06d3305112308b

  • C:\Windows\SysWOW64\jeppgnoi.exe

    Filesize

    255KB

    MD5

    b0f7daa8cb88900a5739d8f7851a5f26

    SHA1

    5ef4dcca7ab6f7cfb416a19503a8e500fea428f3

    SHA256

    b422a4dec9c83e163a1335ae196f4c6aafc4fafd3aa15cb9a641a4bc6a9c5c46

    SHA512

    8d400a9afaeab9c38e805e1f6e3619fa6b9fe751da21f0b38008256ff8ff456f8f0df9e595ee945be4fac9dc42bb1607aeab55226ae0fccc3f396d416411646d

  • C:\Windows\SysWOW64\jeppgnoi.exe

    Filesize

    255KB

    MD5

    b0f7daa8cb88900a5739d8f7851a5f26

    SHA1

    5ef4dcca7ab6f7cfb416a19503a8e500fea428f3

    SHA256

    b422a4dec9c83e163a1335ae196f4c6aafc4fafd3aa15cb9a641a4bc6a9c5c46

    SHA512

    8d400a9afaeab9c38e805e1f6e3619fa6b9fe751da21f0b38008256ff8ff456f8f0df9e595ee945be4fac9dc42bb1607aeab55226ae0fccc3f396d416411646d

  • C:\Windows\SysWOW64\jeppgnoi.exe

    Filesize

    255KB

    MD5

    b0f7daa8cb88900a5739d8f7851a5f26

    SHA1

    5ef4dcca7ab6f7cfb416a19503a8e500fea428f3

    SHA256

    b422a4dec9c83e163a1335ae196f4c6aafc4fafd3aa15cb9a641a4bc6a9c5c46

    SHA512

    8d400a9afaeab9c38e805e1f6e3619fa6b9fe751da21f0b38008256ff8ff456f8f0df9e595ee945be4fac9dc42bb1607aeab55226ae0fccc3f396d416411646d

  • C:\Windows\SysWOW64\xyjfqvvwvggscra.exe

    Filesize

    255KB

    MD5

    ed002c63cc21a41f8c95cfec63e60022

    SHA1

    92860cb6412432367a8697b81065e1aef669898b

    SHA256

    8f6f34d3333cbb83ed642b121247e660efbcf72164ac5b6a7ff04c2437556493

    SHA512

    9d86dc73404843eb22b6aacddc826b34400e0100019e5fb90bca49a5ee18d8c1d0154ed029c2694268d0a1d123e64f3389f9b53662d0c88611682c214ae9cf22

  • C:\Windows\SysWOW64\xyjfqvvwvggscra.exe

    Filesize

    255KB

    MD5

    ed002c63cc21a41f8c95cfec63e60022

    SHA1

    92860cb6412432367a8697b81065e1aef669898b

    SHA256

    8f6f34d3333cbb83ed642b121247e660efbcf72164ac5b6a7ff04c2437556493

    SHA512

    9d86dc73404843eb22b6aacddc826b34400e0100019e5fb90bca49a5ee18d8c1d0154ed029c2694268d0a1d123e64f3389f9b53662d0c88611682c214ae9cf22

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

    Filesize

    255KB

    MD5

    a6a4389dadf5a6f103ef644616a8f703

    SHA1

    983de5edb1896d0e09040cd87bf6fbeffcb09937

    SHA256

    44a0ff17084d2fd0dbfc36fb02a54520ddfc62918eb035fa2328847978418d8b

    SHA512

    557be09c1784673f69c4b2d92fe9dbcc056c8b122ef190865efb9d0a0dd7f9ef4b3b3983cc4a80002564e9f26cc5705c9219ea38f6d3e665a1921c64a2eb02a4

  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

    Filesize

    255KB

    MD5

    a6d0d26c3547c8cac3763be0776d8af2

    SHA1

    55ae58759fe3a61efb01d26edb61e1b8c6896c6a

    SHA256

    50d214dfa046cdcfd2bddbdcf338f1f93f2cbffeba757f5de1d071bb34f10ccd

    SHA512

    9fc929331700503110f7e4722e866d876c4a9c6a15dd76bff4b97dc5f937d57fab05dcca65ae33ae2cbede148eda22990b9b61a79e1872753883613009c7f7a1

  • memory/480-147-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/480-164-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1292-149-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1292-166-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2264-154-0x00007FFBF61B0000-0x00007FFBF61C0000-memory.dmp

    Filesize

    64KB

  • memory/2264-162-0x00007FFBF3960000-0x00007FFBF3970000-memory.dmp

    Filesize

    64KB

  • memory/2264-155-0x00007FFBF61B0000-0x00007FFBF61C0000-memory.dmp

    Filesize

    64KB

  • memory/2264-159-0x00007FFBF61B0000-0x00007FFBF61C0000-memory.dmp

    Filesize

    64KB

  • memory/2264-178-0x00007FFBF61B0000-0x00007FFBF61C0000-memory.dmp

    Filesize

    64KB

  • memory/2264-160-0x00007FFBF61B0000-0x00007FFBF61C0000-memory.dmp

    Filesize

    64KB

  • memory/2264-161-0x00007FFBF3960000-0x00007FFBF3970000-memory.dmp

    Filesize

    64KB

  • memory/2264-175-0x00007FFBF61B0000-0x00007FFBF61C0000-memory.dmp

    Filesize

    64KB

  • memory/2264-177-0x00007FFBF61B0000-0x00007FFBF61C0000-memory.dmp

    Filesize

    64KB

  • memory/2264-176-0x00007FFBF61B0000-0x00007FFBF61C0000-memory.dmp

    Filesize

    64KB

  • memory/2264-156-0x00007FFBF61B0000-0x00007FFBF61C0000-memory.dmp

    Filesize

    64KB

  • memory/3404-165-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3404-148-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3856-167-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3856-150-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4740-153-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4740-132-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4848-168-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4848-151-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB