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Analysis

  • max time kernel
    153s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 19:14

General

  • Target

    c7391eb3f1734beb459a87d151a31a95207279d67ee461d5cda39e835be987f6.exe

  • Size

    255KB

  • MD5

    95af1a9430e1e181f6916f3e5196c9b7

  • SHA1

    c210560066c523cdfb58fb24f3d3e647b24db691

  • SHA256

    c7391eb3f1734beb459a87d151a31a95207279d67ee461d5cda39e835be987f6

  • SHA512

    3743062166a9ee01b632383c73b5801b631c0401467841ca43aab90f530c13fc1ee85cb51925c5d2149c52eef1df32208f30508dd6314d626912a500f71c110b

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJX: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
  • UPX packed file 25 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 11 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 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\c7391eb3f1734beb459a87d151a31a95207279d67ee461d5cda39e835be987f6.exe
    "C:\Users\Admin\AppData\Local\Temp\c7391eb3f1734beb459a87d151a31a95207279d67ee461d5cda39e835be987f6.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:2500
    • C:\Windows\SysWOW64\xvxmcdopbh.exe
      xvxmcdopbh.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:2172
      • C:\Windows\SysWOW64\tpygopoo.exe
        C:\Windows\system32\tpygopoo.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2312
    • C:\Windows\SysWOW64\zaiszfkykxsyocc.exe
      zaiszfkykxsyocc.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4960
    • C:\Windows\SysWOW64\tpygopoo.exe
      tpygopoo.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:4980
    • C:\Windows\SysWOW64\jxztwbpyjfyjg.exe
      jxztwbpyjfyjg.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2296
    • 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:3536

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    255KB

    MD5

    778a8b373adb202a3643c948741744a9

    SHA1

    ccd95eb47a2873e53e8afffa8a44b20e5ec8496a

    SHA256

    d4a90b14e9310db3ba217d1317fac4998b1ccb57624894b19d76e4608192756f

    SHA512

    28fb1ab1878960a69b80e858ad29a37c13e57a29f13f2f6d218adab2253ac037dd7371a887758df1b59114e6595512ab080eddda2b8f31b849b84d05a194691a

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

    Filesize

    255KB

    MD5

    949d26a575c7467cdf65337b23331610

    SHA1

    540dd020e58cfcb414648128b912c1413455e3ce

    SHA256

    5e17c2c117ab68c9cbb62172b28e92c2a20f83808d30593828b92afd81972879

    SHA512

    f67f34660e146f83103f8b4d32697712450e9d62af6cabeed102fb91cf3517b79368628666d290baf87d334cb1311e3f0bed0a964ad9a83bd95ef7e96911af48

  • C:\Users\Admin\Documents\MeasurePush.doc.exe

    Filesize

    255KB

    MD5

    6884b61fceb7baa0e15b8f6231f1106c

    SHA1

    fd8f1e5bfe63eea564d89e513bf309269752a1dd

    SHA256

    c972df75628213a298ac6281826cc2065f65ebc69bf0a2039ebd2a35acc53147

    SHA512

    e900303723188b820ce57d1bdd5936194ec86ed507064f0b7d0abcdfe0920bd33d427daa9ed42f28c592aa838fa994763ed3a3fb5ba26d5d12dddd2657d29db0

  • C:\Windows\SysWOW64\jxztwbpyjfyjg.exe

    Filesize

    255KB

    MD5

    de1b4f539f03d0123b1f8cb94aad7c35

    SHA1

    2fa25f5fca849b9fe7e9d882d19d30b1d47bea27

    SHA256

    242d1bed4dbad33adb6df52d1c6c07e27080e54bf0684b3c69162139dc1c9d97

    SHA512

    407d98f0d8ee5712ae624857d52d71ef35511f636519b3875a66160a4a5477523fc17a3054b4e1b8c0fd8aea58fdc273ae0b6c416b7796450d702bd2162a18f5

  • C:\Windows\SysWOW64\jxztwbpyjfyjg.exe

    Filesize

    255KB

    MD5

    de1b4f539f03d0123b1f8cb94aad7c35

    SHA1

    2fa25f5fca849b9fe7e9d882d19d30b1d47bea27

    SHA256

    242d1bed4dbad33adb6df52d1c6c07e27080e54bf0684b3c69162139dc1c9d97

    SHA512

    407d98f0d8ee5712ae624857d52d71ef35511f636519b3875a66160a4a5477523fc17a3054b4e1b8c0fd8aea58fdc273ae0b6c416b7796450d702bd2162a18f5

  • C:\Windows\SysWOW64\tpygopoo.exe

    Filesize

    255KB

    MD5

    7f768a8ae4c22ab7974aadf5895bddd9

    SHA1

    bb86e2470fc457f195ecb56c4236e4875d5196b9

    SHA256

    9e4cd5013594aa7d9f07ad02fb2438f80132458c6c30ddeab9cbdde46db02783

    SHA512

    bde3ad8517093f910c8b1d6632b192e0c88d516ec3fcd51b8484e3e00d4015f27e97df458b624c1e71b9555e9edfaace91d259be4a50f65d0e34d4f477c7bd58

  • C:\Windows\SysWOW64\tpygopoo.exe

    Filesize

    255KB

    MD5

    7f768a8ae4c22ab7974aadf5895bddd9

    SHA1

    bb86e2470fc457f195ecb56c4236e4875d5196b9

    SHA256

    9e4cd5013594aa7d9f07ad02fb2438f80132458c6c30ddeab9cbdde46db02783

    SHA512

    bde3ad8517093f910c8b1d6632b192e0c88d516ec3fcd51b8484e3e00d4015f27e97df458b624c1e71b9555e9edfaace91d259be4a50f65d0e34d4f477c7bd58

  • C:\Windows\SysWOW64\tpygopoo.exe

    Filesize

    255KB

    MD5

    7f768a8ae4c22ab7974aadf5895bddd9

    SHA1

    bb86e2470fc457f195ecb56c4236e4875d5196b9

    SHA256

    9e4cd5013594aa7d9f07ad02fb2438f80132458c6c30ddeab9cbdde46db02783

    SHA512

    bde3ad8517093f910c8b1d6632b192e0c88d516ec3fcd51b8484e3e00d4015f27e97df458b624c1e71b9555e9edfaace91d259be4a50f65d0e34d4f477c7bd58

  • C:\Windows\SysWOW64\xvxmcdopbh.exe

    Filesize

    255KB

    MD5

    3bfc551618135ced6fb8dff6ac7781da

    SHA1

    7234fd07e015daf4bda31d26cc97ead712f150ce

    SHA256

    f0dad5784d29ee4f34e7b314f576911ba07ec82789755b40cb9fae0b3286a1b3

    SHA512

    fe294b1c9c8925438da77a062f0416eac90f10a1648ded7e13681e656616960072c70b7e2e14e74fd6d79b50426482126942c869e1e129c6b4178a7365700d13

  • C:\Windows\SysWOW64\xvxmcdopbh.exe

    Filesize

    255KB

    MD5

    3bfc551618135ced6fb8dff6ac7781da

    SHA1

    7234fd07e015daf4bda31d26cc97ead712f150ce

    SHA256

    f0dad5784d29ee4f34e7b314f576911ba07ec82789755b40cb9fae0b3286a1b3

    SHA512

    fe294b1c9c8925438da77a062f0416eac90f10a1648ded7e13681e656616960072c70b7e2e14e74fd6d79b50426482126942c869e1e129c6b4178a7365700d13

  • C:\Windows\SysWOW64\zaiszfkykxsyocc.exe

    Filesize

    255KB

    MD5

    d569cf9321b23ae5546ce8673a192db7

    SHA1

    6c5762bae4903e8875d593538e81f9866970190c

    SHA256

    65cc9ef2adb59f264b7f140360310b8da007e8f2e44a1bd9b26490e3fcceb445

    SHA512

    5c838e77c456f2550a8c1ccae4be5f6580305d52a008cccbc65101a95e81e097ccb41064da69b67f7790f8a225ec96c233740d607711ef4e8b822d0b99c64dfe

  • C:\Windows\SysWOW64\zaiszfkykxsyocc.exe

    Filesize

    255KB

    MD5

    d569cf9321b23ae5546ce8673a192db7

    SHA1

    6c5762bae4903e8875d593538e81f9866970190c

    SHA256

    65cc9ef2adb59f264b7f140360310b8da007e8f2e44a1bd9b26490e3fcceb445

    SHA512

    5c838e77c456f2550a8c1ccae4be5f6580305d52a008cccbc65101a95e81e097ccb41064da69b67f7790f8a225ec96c233740d607711ef4e8b822d0b99c64dfe

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

  • memory/2172-155-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2172-146-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2296-158-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2296-149-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2312-162-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2312-152-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2500-132-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2500-133-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2500-154-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3536-167-0x00007FFB3E250000-0x00007FFB3E260000-memory.dmp

    Filesize

    64KB

  • memory/3536-164-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

    Filesize

    64KB

  • memory/3536-159-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

    Filesize

    64KB

  • memory/3536-160-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

    Filesize

    64KB

  • memory/3536-161-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

    Filesize

    64KB

  • memory/3536-175-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

    Filesize

    64KB

  • memory/3536-163-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

    Filesize

    64KB

  • memory/3536-173-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

    Filesize

    64KB

  • memory/3536-172-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

    Filesize

    64KB

  • memory/3536-174-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

    Filesize

    64KB

  • memory/3536-168-0x00007FFB3E250000-0x00007FFB3E260000-memory.dmp

    Filesize

    64KB

  • memory/4960-156-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4960-147-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4980-157-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4980-148-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB