Analysis

  • max time kernel
    155s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 21:05

General

  • Target

    364e28176d92259d925e89c535e5280167f85f8cf10c15547e1368c1db89ea63.exe

  • Size

    255KB

  • MD5

    e318533844fd8338db773b003c5bad9d

  • SHA1

    c500c9576e07ee6ebbaee1a3e560a6988f91ca85

  • SHA256

    364e28176d92259d925e89c535e5280167f85f8cf10c15547e1368c1db89ea63

  • SHA512

    704ae5e5e57d86cd62e81398c91af75b6afe41009ccb60f44cbc39f6abf94ef93c252d15678cb758e646812b047a674bc8a9a5b2d816c2653e5aa96940aa2ce9

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJr:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIQ

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 31 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 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 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\364e28176d92259d925e89c535e5280167f85f8cf10c15547e1368c1db89ea63.exe
    "C:\Users\Admin\AppData\Local\Temp\364e28176d92259d925e89c535e5280167f85f8cf10c15547e1368c1db89ea63.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:1480
    • C:\Windows\SysWOW64\kmkoihwldq.exe
      kmkoihwldq.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:1704
      • C:\Windows\SysWOW64\yxqmtpvf.exe
        C:\Windows\system32\yxqmtpvf.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:1312
    • C:\Windows\SysWOW64\gklygudfdrpzbbv.exe
      gklygudfdrpzbbv.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:960
    • C:\Windows\SysWOW64\yxqmtpvf.exe
      yxqmtpvf.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:600
    • C:\Windows\SysWOW64\uysceaxrlcryl.exe
      uysceaxrlcryl.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:472
    • 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:1504
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:948

    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

      550407c0c4005ccf37d390aaf88cfcbf

      SHA1

      5970a582615d71419e7aff786b82f3043ffd9212

      SHA256

      bf8b547609b244a927d06018bf9f3da0bd6c6f0bb04a4240fa4262b982127a26

      SHA512

      ff27d3962d2bb758b77daa8c58b628f5c4d1e4de07c88bf823b4186b2da4ff8ea309126b31ec3d25a9588e883c12512dcba8263b6a3e35a9e3ea2914dc3bac9b

    • C:\Users\Admin\AppData\Roaming\ProtectApprove.doc.exe
      Filesize

      255KB

      MD5

      9857b3e2352cbcc579dad22cedc178b7

      SHA1

      f37acc72fc73b45657c305c7c4d0f5493e70ef8e

      SHA256

      c40089490185b317236b611fd5932cc10228b747ef7b0e401e3305665f47da2a

      SHA512

      6a497ee6f43feb67c5af9a30fa1542b2ad5d110b9ee802f9ce3856c7ba52686480afaf9918878698355f85feb93e3dbde81c46419f320dcbb33b0cc3956e266b

    • C:\Users\Admin\AppData\Roaming\ProtectApprove.doc.exe
      Filesize

      255KB

      MD5

      9857b3e2352cbcc579dad22cedc178b7

      SHA1

      f37acc72fc73b45657c305c7c4d0f5493e70ef8e

      SHA256

      c40089490185b317236b611fd5932cc10228b747ef7b0e401e3305665f47da2a

      SHA512

      6a497ee6f43feb67c5af9a30fa1542b2ad5d110b9ee802f9ce3856c7ba52686480afaf9918878698355f85feb93e3dbde81c46419f320dcbb33b0cc3956e266b

    • C:\Windows\SysWOW64\gklygudfdrpzbbv.exe
      Filesize

      255KB

      MD5

      31dad5ba1278ad951c11298d9c1f52b1

      SHA1

      d2ed29a86f38418d03012869f1a55acee460440e

      SHA256

      69bd2337e527f6145f884cf62747826f0e7fb2503110278f875882da35bb2f46

      SHA512

      aa1a23c0255938b01f56aaf5d1149370f08c6c587206063fa4350984f6695cbd51c11c703fd6653518a978acb816fd1219c74957f4af563496d303f1fee70256

    • C:\Windows\SysWOW64\gklygudfdrpzbbv.exe
      Filesize

      255KB

      MD5

      31dad5ba1278ad951c11298d9c1f52b1

      SHA1

      d2ed29a86f38418d03012869f1a55acee460440e

      SHA256

      69bd2337e527f6145f884cf62747826f0e7fb2503110278f875882da35bb2f46

      SHA512

      aa1a23c0255938b01f56aaf5d1149370f08c6c587206063fa4350984f6695cbd51c11c703fd6653518a978acb816fd1219c74957f4af563496d303f1fee70256

    • C:\Windows\SysWOW64\kmkoihwldq.exe
      Filesize

      255KB

      MD5

      addb1af78d34e9669840a427af933a67

      SHA1

      6190a5e925c84d2c65155de3ada68df6c34a1f60

      SHA256

      b4c2b6473e9190c3a2406509a8d657d5a5dcbe7fcbe2d946fea7c4ebe47109ab

      SHA512

      769b9c7ab17bd63cace55995bf40f4cd3b8162a5dc12f9ea17b7543976e1a1ce510390c8b081ae671db88a3984cef61b732c379af49b9c31a5bd3159c200791e

    • C:\Windows\SysWOW64\kmkoihwldq.exe
      Filesize

      255KB

      MD5

      addb1af78d34e9669840a427af933a67

      SHA1

      6190a5e925c84d2c65155de3ada68df6c34a1f60

      SHA256

      b4c2b6473e9190c3a2406509a8d657d5a5dcbe7fcbe2d946fea7c4ebe47109ab

      SHA512

      769b9c7ab17bd63cace55995bf40f4cd3b8162a5dc12f9ea17b7543976e1a1ce510390c8b081ae671db88a3984cef61b732c379af49b9c31a5bd3159c200791e

    • C:\Windows\SysWOW64\uysceaxrlcryl.exe
      Filesize

      255KB

      MD5

      f2c1e9570b4e34f7db25e2d31facc236

      SHA1

      333d8fa417ba39e41e61e6c6b74f4cd35bc4a461

      SHA256

      c5ba081cbff294e114c3e723edfb446945d0ae9387ac89e58521725a83519bc4

      SHA512

      49510ee5891c274cc89140b18e2f17a47c64a9cb271775307ae7039facf882cba6c3dcb3416e8a79f452bef1a3c7e9baf045481fd24123a3c48ccd061e118d21

    • C:\Windows\SysWOW64\uysceaxrlcryl.exe
      Filesize

      255KB

      MD5

      f2c1e9570b4e34f7db25e2d31facc236

      SHA1

      333d8fa417ba39e41e61e6c6b74f4cd35bc4a461

      SHA256

      c5ba081cbff294e114c3e723edfb446945d0ae9387ac89e58521725a83519bc4

      SHA512

      49510ee5891c274cc89140b18e2f17a47c64a9cb271775307ae7039facf882cba6c3dcb3416e8a79f452bef1a3c7e9baf045481fd24123a3c48ccd061e118d21

    • C:\Windows\SysWOW64\yxqmtpvf.exe
      Filesize

      255KB

      MD5

      8a0e5151d80f9c738c5943af93fc85ac

      SHA1

      80e027735d14f0f26a96edd270ee71a29ef00301

      SHA256

      1167880cbd903d3ef0f491771357d04b0c5d02c90533e4c8e3edfd96f24fe950

      SHA512

      58fcad9dfe039a5ab912c158a71cd770b9cda3b51379a4d3658d30825a3d337fe148fb31ff4ead10baba0179120c68b7d8b5643c54431643ecab6d74992e5fec

    • C:\Windows\SysWOW64\yxqmtpvf.exe
      Filesize

      255KB

      MD5

      8a0e5151d80f9c738c5943af93fc85ac

      SHA1

      80e027735d14f0f26a96edd270ee71a29ef00301

      SHA256

      1167880cbd903d3ef0f491771357d04b0c5d02c90533e4c8e3edfd96f24fe950

      SHA512

      58fcad9dfe039a5ab912c158a71cd770b9cda3b51379a4d3658d30825a3d337fe148fb31ff4ead10baba0179120c68b7d8b5643c54431643ecab6d74992e5fec

    • C:\Windows\SysWOW64\yxqmtpvf.exe
      Filesize

      255KB

      MD5

      8a0e5151d80f9c738c5943af93fc85ac

      SHA1

      80e027735d14f0f26a96edd270ee71a29ef00301

      SHA256

      1167880cbd903d3ef0f491771357d04b0c5d02c90533e4c8e3edfd96f24fe950

      SHA512

      58fcad9dfe039a5ab912c158a71cd770b9cda3b51379a4d3658d30825a3d337fe148fb31ff4ead10baba0179120c68b7d8b5643c54431643ecab6d74992e5fec

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\gklygudfdrpzbbv.exe
      Filesize

      255KB

      MD5

      31dad5ba1278ad951c11298d9c1f52b1

      SHA1

      d2ed29a86f38418d03012869f1a55acee460440e

      SHA256

      69bd2337e527f6145f884cf62747826f0e7fb2503110278f875882da35bb2f46

      SHA512

      aa1a23c0255938b01f56aaf5d1149370f08c6c587206063fa4350984f6695cbd51c11c703fd6653518a978acb816fd1219c74957f4af563496d303f1fee70256

    • \Windows\SysWOW64\kmkoihwldq.exe
      Filesize

      255KB

      MD5

      addb1af78d34e9669840a427af933a67

      SHA1

      6190a5e925c84d2c65155de3ada68df6c34a1f60

      SHA256

      b4c2b6473e9190c3a2406509a8d657d5a5dcbe7fcbe2d946fea7c4ebe47109ab

      SHA512

      769b9c7ab17bd63cace55995bf40f4cd3b8162a5dc12f9ea17b7543976e1a1ce510390c8b081ae671db88a3984cef61b732c379af49b9c31a5bd3159c200791e

    • \Windows\SysWOW64\uysceaxrlcryl.exe
      Filesize

      255KB

      MD5

      f2c1e9570b4e34f7db25e2d31facc236

      SHA1

      333d8fa417ba39e41e61e6c6b74f4cd35bc4a461

      SHA256

      c5ba081cbff294e114c3e723edfb446945d0ae9387ac89e58521725a83519bc4

      SHA512

      49510ee5891c274cc89140b18e2f17a47c64a9cb271775307ae7039facf882cba6c3dcb3416e8a79f452bef1a3c7e9baf045481fd24123a3c48ccd061e118d21

    • \Windows\SysWOW64\yxqmtpvf.exe
      Filesize

      255KB

      MD5

      8a0e5151d80f9c738c5943af93fc85ac

      SHA1

      80e027735d14f0f26a96edd270ee71a29ef00301

      SHA256

      1167880cbd903d3ef0f491771357d04b0c5d02c90533e4c8e3edfd96f24fe950

      SHA512

      58fcad9dfe039a5ab912c158a71cd770b9cda3b51379a4d3658d30825a3d337fe148fb31ff4ead10baba0179120c68b7d8b5643c54431643ecab6d74992e5fec

    • \Windows\SysWOW64\yxqmtpvf.exe
      Filesize

      255KB

      MD5

      8a0e5151d80f9c738c5943af93fc85ac

      SHA1

      80e027735d14f0f26a96edd270ee71a29ef00301

      SHA256

      1167880cbd903d3ef0f491771357d04b0c5d02c90533e4c8e3edfd96f24fe950

      SHA512

      58fcad9dfe039a5ab912c158a71cd770b9cda3b51379a4d3658d30825a3d337fe148fb31ff4ead10baba0179120c68b7d8b5643c54431643ecab6d74992e5fec

    • memory/472-97-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/472-72-0x0000000000000000-mapping.dmp
    • memory/472-84-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/600-66-0x0000000000000000-mapping.dmp
    • memory/600-107-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/600-83-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/600-96-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/948-104-0x000007FEFB9E1000-0x000007FEFB9E3000-memory.dmp
      Filesize

      8KB

    • memory/948-103-0x0000000000000000-mapping.dmp
    • memory/960-82-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/960-61-0x0000000000000000-mapping.dmp
    • memory/960-95-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1312-85-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1312-98-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1312-108-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1312-77-0x0000000000000000-mapping.dmp
    • memory/1480-80-0x0000000003280000-0x0000000003320000-memory.dmp
      Filesize

      640KB

    • memory/1480-55-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1480-54-0x00000000758B1000-0x00000000758B3000-memory.dmp
      Filesize

      8KB

    • memory/1480-87-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1504-88-0x0000000072501000-0x0000000072504000-memory.dmp
      Filesize

      12KB

    • memory/1504-86-0x0000000000000000-mapping.dmp
    • memory/1504-100-0x0000000070F6D000-0x0000000070F78000-memory.dmp
      Filesize

      44KB

    • memory/1504-90-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1504-105-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1504-106-0x0000000070F6D000-0x0000000070F78000-memory.dmp
      Filesize

      44KB

    • memory/1504-89-0x000000006FF81000-0x000000006FF83000-memory.dmp
      Filesize

      8KB

    • memory/1504-91-0x0000000070F6D000-0x0000000070F78000-memory.dmp
      Filesize

      44KB

    • memory/1704-57-0x0000000000000000-mapping.dmp
    • memory/1704-94-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1704-81-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB