Analysis

  • max time kernel
    41s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 06:32

General

  • Target

    b982c620f911121e56892429ae7b318cb5497a16f84829df93532ef79711e40b.exe

  • Size

    2.0MB

  • MD5

    898b3495d3c1c59271bc65446c6fd086

  • SHA1

    feb7ad6ca92cbcb73fdaaf5d1a83bfeade76a12e

  • SHA256

    b982c620f911121e56892429ae7b318cb5497a16f84829df93532ef79711e40b

  • SHA512

    e5a176d540e850af8b01baaf6131d40d2b00c44978992ae8ebbdc2b592cd6bba4cd4373187db457a5ee052619bf1b42e5589e8f36f08eeebae4f8e12f46ac162

  • SSDEEP

    49152:GIDi3FQMNkM8k1yNMO9y4FYUJhTvRG+DvtJ2:FD+O7w4DQ4q6hTvtvy

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 15 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

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

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

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

  • NSIS installer 24 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Modifies registry class 11 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b982c620f911121e56892429ae7b318cb5497a16f84829df93532ef79711e40b.exe
    "C:\Users\Admin\AppData\Local\Temp\b982c620f911121e56892429ae7b318cb5497a16f84829df93532ef79711e40b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:800
    • C:\Users\Admin\AppData\Local\Temp\ASSetup.exe
      "C:\Users\Admin\AppData\Local\Temp\ASSetup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies Internet Explorer start page
      • Suspicious use of WriteProcessMemory
      PID:1776
      • C:\Windows\SysWOW64\Regsvr32.exe
        Regsvr32.exe /s C:\PROGRA~1\fx678Toolbar\fx678Toolbar.dll
        3⤵
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies registry class
        PID:2024
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\DelTemp.bat" "
        3⤵
          PID:536
      • C:\Users\Admin\AppData\Local\Temp\mailhome.exe
        "C:\Users\Admin\AppData\Local\Temp\mailhome.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:952
      • C:\Users\Admin\AppData\Local\Temp\TheWorld_OEM_12.exe
        "C:\Users\Admin\AppData\Local\Temp\TheWorld_OEM_12.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1412

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\PROGRA~1\fx678Toolbar\fx678Toolbar.dll

            Filesize

            594KB

            MD5

            5302316ac7c0d99ee3d9ed5a10840d77

            SHA1

            2b9da391cd3758462404f707176b56d191cd5d47

            SHA256

            53494a614acca432bf78ac682f37f72a3700827f91351ff5b849b5497085cd25

            SHA512

            d4b54d8fe9b2f1beadf76c7c258a9fe54fb25e19d8c92305e18ee7c7605102fe67e91be3875c7cf9e836fcf61aa1d348b7ce6e58a984690ba5533303a164499e

          • C:\Users\Admin\AppData\Local\Temp\ASSetup.exe

            Filesize

            1.0MB

            MD5

            e2bbbeab11a442dd9debaa59633b7ee8

            SHA1

            8b50b659a81e3341feaa8d65b65255e8c6d6b9da

            SHA256

            516e892abf2663ef70e9973d77141a2c29c1e7e4dabe5cb4626158b9c6cf086f

            SHA512

            72d261cead61cae4241bde00a469b27ad4cab84e6d611da0cefc9dfceca8f682a0a9d2479739d2d029e0aa506ec7d96ee57edfbd3cd5f70ba38383a8067690f3

          • C:\Users\Admin\AppData\Local\Temp\ASSetup.exe

            Filesize

            1.0MB

            MD5

            e2bbbeab11a442dd9debaa59633b7ee8

            SHA1

            8b50b659a81e3341feaa8d65b65255e8c6d6b9da

            SHA256

            516e892abf2663ef70e9973d77141a2c29c1e7e4dabe5cb4626158b9c6cf086f

            SHA512

            72d261cead61cae4241bde00a469b27ad4cab84e6d611da0cefc9dfceca8f682a0a9d2479739d2d029e0aa506ec7d96ee57edfbd3cd5f70ba38383a8067690f3

          • C:\Users\Admin\AppData\Local\Temp\DelTemp.bat

            Filesize

            73B

            MD5

            37d107414b0e725c622bfb8c7dda2813

            SHA1

            321beb9706ba9782c291d1d0f8ed8b64729cffe4

            SHA256

            c3ad8694cfe72e18b33244bc472e83b189f4fa4c8bad3f3e3241e83e9df75805

            SHA512

            493daf0950f2ce38c6f063035c1baa301dfec2a0da242350cf2dc7ef8391a01afdf2e4fbd2464ac4c7a55762ac3dcd3d52619daa3f141d86fbdc6e9b83fe2e51

          • C:\Users\Admin\AppData\Local\Temp\TheWorld_OEM_12.exe

            Filesize

            759KB

            MD5

            748f7baa7a435dc70986cfbff0a61d9e

            SHA1

            d7a2196fdb08a89dd275f99e8d009fa3ccf15315

            SHA256

            495dbdf0cb4a8f214bee7cd5c1c8b65a870ab2bc3707569e7cf310f1d5684dc2

            SHA512

            4c0b0f6f3548376b2955f824d1f44dbf2863aa04096b4ea7199bdc9d4acb6c59ceceb0bf4c6fd33469b3a1c828739fd02cf74f0f393256c7ab57477b5bd560a7

          • C:\Users\Admin\AppData\Local\Temp\TheWorld_OEM_12.exe

            Filesize

            759KB

            MD5

            748f7baa7a435dc70986cfbff0a61d9e

            SHA1

            d7a2196fdb08a89dd275f99e8d009fa3ccf15315

            SHA256

            495dbdf0cb4a8f214bee7cd5c1c8b65a870ab2bc3707569e7cf310f1d5684dc2

            SHA512

            4c0b0f6f3548376b2955f824d1f44dbf2863aa04096b4ea7199bdc9d4acb6c59ceceb0bf4c6fd33469b3a1c828739fd02cf74f0f393256c7ab57477b5bd560a7

          • C:\Users\Admin\AppData\Local\Temp\mailhome.exe

            Filesize

            765KB

            MD5

            7e30246aa6e39ad06fcd471f65cbd9e0

            SHA1

            6de1516336b44330aac3b1d14be39dd9e5673d77

            SHA256

            c9e9cf6a9f02b8f3dd2f7989e1bcd3c960df192319a775e03cb7f0cd4d267b77

            SHA512

            5c3d2c89bc5178789b8f3e556f7e950076329033e103ce96b9858c425651628ad83dbb672ad26aeb99e5e2a2b492b6f8b9b49afe52240e076f2e13b0c5de203a

          • C:\Users\Admin\AppData\Local\Temp\mailhome.exe

            Filesize

            765KB

            MD5

            7e30246aa6e39ad06fcd471f65cbd9e0

            SHA1

            6de1516336b44330aac3b1d14be39dd9e5673d77

            SHA256

            c9e9cf6a9f02b8f3dd2f7989e1bcd3c960df192319a775e03cb7f0cd4d267b77

            SHA512

            5c3d2c89bc5178789b8f3e556f7e950076329033e103ce96b9858c425651628ad83dbb672ad26aeb99e5e2a2b492b6f8b9b49afe52240e076f2e13b0c5de203a

          • \PROGRA~1\fx678Toolbar\fx678Toolbar.dll

            Filesize

            594KB

            MD5

            5302316ac7c0d99ee3d9ed5a10840d77

            SHA1

            2b9da391cd3758462404f707176b56d191cd5d47

            SHA256

            53494a614acca432bf78ac682f37f72a3700827f91351ff5b849b5497085cd25

            SHA512

            d4b54d8fe9b2f1beadf76c7c258a9fe54fb25e19d8c92305e18ee7c7605102fe67e91be3875c7cf9e836fcf61aa1d348b7ce6e58a984690ba5533303a164499e

          • \Users\Admin\AppData\Local\Temp\ASSetup.exe

            Filesize

            1.0MB

            MD5

            e2bbbeab11a442dd9debaa59633b7ee8

            SHA1

            8b50b659a81e3341feaa8d65b65255e8c6d6b9da

            SHA256

            516e892abf2663ef70e9973d77141a2c29c1e7e4dabe5cb4626158b9c6cf086f

            SHA512

            72d261cead61cae4241bde00a469b27ad4cab84e6d611da0cefc9dfceca8f682a0a9d2479739d2d029e0aa506ec7d96ee57edfbd3cd5f70ba38383a8067690f3

          • \Users\Admin\AppData\Local\Temp\ASSetup.exe

            Filesize

            1.0MB

            MD5

            e2bbbeab11a442dd9debaa59633b7ee8

            SHA1

            8b50b659a81e3341feaa8d65b65255e8c6d6b9da

            SHA256

            516e892abf2663ef70e9973d77141a2c29c1e7e4dabe5cb4626158b9c6cf086f

            SHA512

            72d261cead61cae4241bde00a469b27ad4cab84e6d611da0cefc9dfceca8f682a0a9d2479739d2d029e0aa506ec7d96ee57edfbd3cd5f70ba38383a8067690f3

          • \Users\Admin\AppData\Local\Temp\ASSetup.exe

            Filesize

            1.0MB

            MD5

            e2bbbeab11a442dd9debaa59633b7ee8

            SHA1

            8b50b659a81e3341feaa8d65b65255e8c6d6b9da

            SHA256

            516e892abf2663ef70e9973d77141a2c29c1e7e4dabe5cb4626158b9c6cf086f

            SHA512

            72d261cead61cae4241bde00a469b27ad4cab84e6d611da0cefc9dfceca8f682a0a9d2479739d2d029e0aa506ec7d96ee57edfbd3cd5f70ba38383a8067690f3

          • \Users\Admin\AppData\Local\Temp\ASSetup.exe

            Filesize

            1.0MB

            MD5

            e2bbbeab11a442dd9debaa59633b7ee8

            SHA1

            8b50b659a81e3341feaa8d65b65255e8c6d6b9da

            SHA256

            516e892abf2663ef70e9973d77141a2c29c1e7e4dabe5cb4626158b9c6cf086f

            SHA512

            72d261cead61cae4241bde00a469b27ad4cab84e6d611da0cefc9dfceca8f682a0a9d2479739d2d029e0aa506ec7d96ee57edfbd3cd5f70ba38383a8067690f3

          • \Users\Admin\AppData\Local\Temp\TheWorld_OEM_12.exe

            Filesize

            759KB

            MD5

            748f7baa7a435dc70986cfbff0a61d9e

            SHA1

            d7a2196fdb08a89dd275f99e8d009fa3ccf15315

            SHA256

            495dbdf0cb4a8f214bee7cd5c1c8b65a870ab2bc3707569e7cf310f1d5684dc2

            SHA512

            4c0b0f6f3548376b2955f824d1f44dbf2863aa04096b4ea7199bdc9d4acb6c59ceceb0bf4c6fd33469b3a1c828739fd02cf74f0f393256c7ab57477b5bd560a7

          • \Users\Admin\AppData\Local\Temp\TheWorld_OEM_12.exe

            Filesize

            759KB

            MD5

            748f7baa7a435dc70986cfbff0a61d9e

            SHA1

            d7a2196fdb08a89dd275f99e8d009fa3ccf15315

            SHA256

            495dbdf0cb4a8f214bee7cd5c1c8b65a870ab2bc3707569e7cf310f1d5684dc2

            SHA512

            4c0b0f6f3548376b2955f824d1f44dbf2863aa04096b4ea7199bdc9d4acb6c59ceceb0bf4c6fd33469b3a1c828739fd02cf74f0f393256c7ab57477b5bd560a7

          • \Users\Admin\AppData\Local\Temp\TheWorld_OEM_12.exe

            Filesize

            759KB

            MD5

            748f7baa7a435dc70986cfbff0a61d9e

            SHA1

            d7a2196fdb08a89dd275f99e8d009fa3ccf15315

            SHA256

            495dbdf0cb4a8f214bee7cd5c1c8b65a870ab2bc3707569e7cf310f1d5684dc2

            SHA512

            4c0b0f6f3548376b2955f824d1f44dbf2863aa04096b4ea7199bdc9d4acb6c59ceceb0bf4c6fd33469b3a1c828739fd02cf74f0f393256c7ab57477b5bd560a7

          • \Users\Admin\AppData\Local\Temp\TheWorld_OEM_12.exe

            Filesize

            759KB

            MD5

            748f7baa7a435dc70986cfbff0a61d9e

            SHA1

            d7a2196fdb08a89dd275f99e8d009fa3ccf15315

            SHA256

            495dbdf0cb4a8f214bee7cd5c1c8b65a870ab2bc3707569e7cf310f1d5684dc2

            SHA512

            4c0b0f6f3548376b2955f824d1f44dbf2863aa04096b4ea7199bdc9d4acb6c59ceceb0bf4c6fd33469b3a1c828739fd02cf74f0f393256c7ab57477b5bd560a7

          • \Users\Admin\AppData\Local\Temp\mailhome.exe

            Filesize

            765KB

            MD5

            7e30246aa6e39ad06fcd471f65cbd9e0

            SHA1

            6de1516336b44330aac3b1d14be39dd9e5673d77

            SHA256

            c9e9cf6a9f02b8f3dd2f7989e1bcd3c960df192319a775e03cb7f0cd4d267b77

            SHA512

            5c3d2c89bc5178789b8f3e556f7e950076329033e103ce96b9858c425651628ad83dbb672ad26aeb99e5e2a2b492b6f8b9b49afe52240e076f2e13b0c5de203a

          • \Users\Admin\AppData\Local\Temp\mailhome.exe

            Filesize

            765KB

            MD5

            7e30246aa6e39ad06fcd471f65cbd9e0

            SHA1

            6de1516336b44330aac3b1d14be39dd9e5673d77

            SHA256

            c9e9cf6a9f02b8f3dd2f7989e1bcd3c960df192319a775e03cb7f0cd4d267b77

            SHA512

            5c3d2c89bc5178789b8f3e556f7e950076329033e103ce96b9858c425651628ad83dbb672ad26aeb99e5e2a2b492b6f8b9b49afe52240e076f2e13b0c5de203a

          • \Users\Admin\AppData\Local\Temp\mailhome.exe

            Filesize

            765KB

            MD5

            7e30246aa6e39ad06fcd471f65cbd9e0

            SHA1

            6de1516336b44330aac3b1d14be39dd9e5673d77

            SHA256

            c9e9cf6a9f02b8f3dd2f7989e1bcd3c960df192319a775e03cb7f0cd4d267b77

            SHA512

            5c3d2c89bc5178789b8f3e556f7e950076329033e103ce96b9858c425651628ad83dbb672ad26aeb99e5e2a2b492b6f8b9b49afe52240e076f2e13b0c5de203a

          • \Users\Admin\AppData\Local\Temp\mailhome.exe

            Filesize

            765KB

            MD5

            7e30246aa6e39ad06fcd471f65cbd9e0

            SHA1

            6de1516336b44330aac3b1d14be39dd9e5673d77

            SHA256

            c9e9cf6a9f02b8f3dd2f7989e1bcd3c960df192319a775e03cb7f0cd4d267b77

            SHA512

            5c3d2c89bc5178789b8f3e556f7e950076329033e103ce96b9858c425651628ad83dbb672ad26aeb99e5e2a2b492b6f8b9b49afe52240e076f2e13b0c5de203a

          • \Users\Admin\AppData\Local\Temp\nsoEC83.tmp\System.dll

            Filesize

            9KB

            MD5

            afd989ef7eec6bf952bedfce541fe236

            SHA1

            5654b71c5b1089c2cec6381d8da5bd14a14e1a37

            SHA256

            5e97602008ba004c72d58f71e77ffe0a0ea01103867eb12a9ec0f28e72f440d8

            SHA512

            f4e3d88477d39218667dd482a08904b2b69435db7d1fdd492380544aff83895d393a288c329da69074b69c68f51db45f694dfea81fc12fa2042ed43b3d06440c

          • \Users\Admin\AppData\Local\Temp\nsoEC83.tmp\System.dll

            Filesize

            9KB

            MD5

            afd989ef7eec6bf952bedfce541fe236

            SHA1

            5654b71c5b1089c2cec6381d8da5bd14a14e1a37

            SHA256

            5e97602008ba004c72d58f71e77ffe0a0ea01103867eb12a9ec0f28e72f440d8

            SHA512

            f4e3d88477d39218667dd482a08904b2b69435db7d1fdd492380544aff83895d393a288c329da69074b69c68f51db45f694dfea81fc12fa2042ed43b3d06440c

          • memory/800-54-0x0000000075521000-0x0000000075523000-memory.dmp

            Filesize

            8KB

          • memory/2024-85-0x0000000000A60000-0x0000000000AFA000-memory.dmp

            Filesize

            616KB