Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29/09/2024, 08:09

General

  • Target

    $TEMP/dospop.exe

  • Size

    806KB

  • MD5

    067a003a0740da60aaa074f45d5266c5

  • SHA1

    a5016ff1703d63c215da0f331003759f70f33659

  • SHA256

    edb695897f58c9e5533136fa7836216e2463fcaafd1d82dd5e50fa0fd4be471e

  • SHA512

    ae692fc8f5a71d4c189e91bf2d0dc0eea7e7636ebfa911dc76f6cbe69f6f7fb5ed2a497e92de39ad77aab166155a01a4b7ff6f493a63f1639b952431a16d007d

  • SSDEEP

    24576:JlzyMuPssLniF/pnFmXb7R5tdpEpFbI+PXj:D2FziFjmX/R3/C+i

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 14 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 22 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$TEMP\dospop.exe
    "C:\Users\Admin\AppData\Local\Temp\$TEMP\dospop.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32 /s "C:\Program Files (x86)\DosPop\DospopToolbar\dospop.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:1952

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\DosPop\DospopToolbar\basis.xml

          Filesize

          7KB

          MD5

          ddd7fcc20dd29eed331b186b5ca2889d

          SHA1

          f7890c5e84f74890bd36dfac8d6f6912e68bf60e

          SHA256

          c0d0a01a21c19475a5be0b5552e992520da735d86e6a40688b26735d4a7490b5

          SHA512

          b3b8ead777be600f59218d988c80b752a30587f1d298900f97beb32966fde18f72158eae3a0da6be6aaf4b5fb3ba4603cf36a99fe79fbd3bab38e8110c8061b2

        • C:\Program Files (x86)\DosPop\DospopToolbar\dospop.crc

          Filesize

          223B

          MD5

          ec3733d5ea6c6404204c5bbaae9210e1

          SHA1

          6b70c10e79e29904fee05a76b3852ed4e437fb25

          SHA256

          194c4acf404911afcd0f563659ffcc45f33f249e0e41e8681cc15308d0132903

          SHA512

          3d419529e187c6c93d46e7216cdfe6710f77ba575a0fb42b57efedcc6a41261056bfda1ce17bbb85e9619931d420fb1e111748e6d8359d5b9776f1adaea0cb54

        • C:\Program Files (x86)\DosPop\DospopToolbar\dospop.dll

          Filesize

          2.1MB

          MD5

          0f1846b9162b08ba83b187f8b812882a

          SHA1

          3bb577471354017b5c8f6ff1f5159801000110e8

          SHA256

          0c647f88a0f7f7d6ea9796bd7b0401b6359edeb21060c26b911dcfdfc874b37f

          SHA512

          ebacf6356894c8159d6ce0a3a4aac973b09ad6e80751f0edfda004e1df5cc2221f9967d1eff0cb59a3acfbede05e92ddd20b1dc095b2db65ca5c3eb278b9e5c0

        • C:\Program Files (x86)\DosPop\DospopToolbar\icons.bmp

          Filesize

          60KB

          MD5

          0540c76a162cf8aea5b333a6e183bdbc

          SHA1

          10650aed77cafd0e0e10a98a67343157abe93652

          SHA256

          6f00271baba262330950c748e67f41f0d2c98d5e0a5ef7cf099d864d7d9891c0

          SHA512

          7acbe3537f07ef6dc4a2dff809b8cc74edbf7d02ee4a75d0f399725d2dda28c5fa1f407495a23301f322e1655cfef83271be05e8062aab022538fddd6b001ee4

        • C:\Program Files (x86)\DosPop\DospopToolbar\logo16.bmp

          Filesize

          6KB

          MD5

          ecf6053084c253b4ecb999b77fd5e7fb

          SHA1

          fe7359187bd92e1e9312789a7c9ca1df08947c26

          SHA256

          4d502980795f580774e0904c22cef73aaf81eef9858e67e05d0ef10b74c62105

          SHA512

          7a86d529bf6eca3daaa428fbc7d0dbac20cf30261f2ab1495532cf52087209eb712734fa90d23e063bb3a8e833d90c827fc920cc6785fc19951b5c883fa93f3f

        • C:\Program Files (x86)\DosPop\DospopToolbar\options.html

          Filesize

          6KB

          MD5

          adc6e16ce6e97bd1eb19d3a8dad7274f

          SHA1

          12b55eab3225b2250ba051803f7d791db59a46a1

          SHA256

          29e525a91d8ac4ec6bb2fa299a404d9f151b45400c7cab09675a23469373435b

          SHA512

          2c4bc233ae8741fe0a6995845aa88d707b347cfc78745fefac346ce27ddd5b799dd374bbba15516f6e61348f52720be3639cf0cd925a599250a9947a33ab7103

        • C:\Program Files (x86)\DosPop\DospopToolbar\static_img.html

          Filesize

          503B

          MD5

          2caff3519f5be538757c467d4fec4756

          SHA1

          7e77344f049d9ee4d216b6f412c01ba28596773c

          SHA256

          e94503ad0ea2a4f7002ba70f57e12da9daabb5037b6bedc7725d1fc43a487415

          SHA512

          029814dd117053d03acc6c0cb1af2802256149c6a3588cd41334deeffad6095dc16386887e2053f288b13a5ebd3599cbf9c55c194fde81f3df77045d2609a467

        • C:\Program Files (x86)\DosPop\DospopToolbar\static_pub.html

          Filesize

          599B

          MD5

          0bf3de7de6f6a9ece7674fb245c7e428

          SHA1

          a71d601820676d5741734e825c7347d59570bc98

          SHA256

          29101ddb9fc880b921c78a8aa0952310ccf0fe4eb03479425500fc2e779d4b2b

          SHA512

          30dc0cf67d772a79dec244882f24c4a6ad71a3139b1b92d6e059f1e677ef138596e71c7bf12c2283b591ad64744b9abd15895fa29c4a600f64c784423bc270b2

        • C:\Program Files (x86)\DosPop\DospopToolbar\tbhelper.dll

          Filesize

          316KB

          MD5

          8285d06c80bb289d22d7c67c4df2d51c

          SHA1

          0aa83342fd5d23de18fb5da4c4405ddc5b13d75f

          SHA256

          d5df73f377bb5113a5e1c4f7872db6ec4753568a1dadf8d5d09798ac9038ad29

          SHA512

          8de26c47bbcf0ea1dcab869ac21eb6d13751a913903a179fbd3ad8f30f0429b15c60af53c68b2661a7adb34a310ba7d91281da34f0ddfe595c409e11c0f34775

        • C:\Program Files (x86)\DosPop\DospopToolbar\tbs_include_script_008091.js

          Filesize

          2KB

          MD5

          b734be75b8963660abfa7412095c7a82

          SHA1

          6091ffb358b2596d53f4e74e09da01326258dce8

          SHA256

          078d1eadf0733de055e1ca4ff03bdab7203a66823e9cb4d5a8539d84276759a5

          SHA512

          1bd848ab95724bf8b7c6dc2e91a066a85c0d6239c16c3e548cfaa7a6e57c62e432b820b7503e998bc205d9153ec28c7e590610b8f4481e28b2ef6df35f14cf68

        • C:\Program Files (x86)\DosPop\DospopToolbar\toolbar-logo-dospop.bmp

          Filesize

          2KB

          MD5

          de7f84d3713c0e55ee2f584345647504

          SHA1

          8903bf45c1993fc2df3313e89971b4cba2ba9239

          SHA256

          759282b69a5a1c30a01e0ef7c19a2eb59955e33f0caa0b066e418ef54f5c5884

          SHA512

          96c820d6caf2385faf18aaeaffe743846e158b1e2eabdeb53ec9dafda3fa86ee30f070f7c8e65bd1a0325e6d6fffcfafec175dad07f0dee0f6fcb2660133a193

        • C:\Program Files (x86)\DosPop\DospopToolbar\uninstall.exe

          Filesize

          48KB

          MD5

          652d9d1fc071f90c3e0adb8d79d7ade2

          SHA1

          b63b34d5b3f2d5b75b0b5ff3290752ae1cf3a68a

          SHA256

          7c30673fde7090d6f74623d9bf99e1b2f9661ec94d21d3c2ffb80e1c56d60891

          SHA512

          410d3c2ce92e5db4c12c46d399e88dac97be784f2b50946e40ba1689a524542e6220864d35d625c3cbb104e20ee351362dbb100423224d319fa62add5c3fa1ae

        • C:\Program Files (x86)\DosPop\DospopToolbar\update.exe

          Filesize

          76KB

          MD5

          c050609bcf90684099902c043661e739

          SHA1

          e471468f128e3f8899d53f54f0fd64561a297210

          SHA256

          3751b8982c25d16aee9bc7dd5e22c83f323c8c68780012773612778f20279af8

          SHA512

          2e199a074fbef486518949bd57da18b7b221eb1d9d391c30d7ee73817e2d514438d25ed46f2ab68f79f0645013df5fd35100eebc805bea3830aa7b1cfb8d9846

        • C:\Program Files (x86)\DosPop\DospopToolbar\version.txt

          Filesize

          49B

          MD5

          f1610ba6a619c1703c4dd4ea1c8d71e5

          SHA1

          539d1b8b903d98bd9abaf232b4c2f370ac1e9e81

          SHA256

          0f85f776d85b5ee164a43c166dab525625655bd42b6c0503fa8d36fb702df666

          SHA512

          de5058badc73c1e267e24d7cd18e2c1207337d78185bcd17c4e1ab1131e30f4df5c051cceb748966fd4a8a6b8b2f1d11e2ced29bf5c5ca8404e3f5da5d2d438e

        • memory/1952-43-0x00000000009D0000-0x0000000000A23000-memory.dmp

          Filesize

          332KB