Analysis

  • max time kernel
    173s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2022 20:05

General

  • Target

    25c25e741ebfd6b74616dd5713e3fd4b32119c8d20c8d6b3d4012389b599ee60.exe

  • Size

    4.3MB

  • MD5

    d4c22bfa7469ad0dd435136d24b9dc4e

  • SHA1

    4188204ceb1f7878980dec6d56c3a2bb54dac438

  • SHA256

    25c25e741ebfd6b74616dd5713e3fd4b32119c8d20c8d6b3d4012389b599ee60

  • SHA512

    ef64aac07a9e5afc9edd3498b7cc2a210e0c8252248e0099245ee4cab8f49ae315f1a45a5905faf1d895c310e57b493bfafa0f8684ee58c413d69d468f54aa17

  • SSDEEP

    98304:XKcQRF9EkcfWRRclPEzPFiwr3G9QJ8J0U4Xak6gWR/rXra9Zo4:fazuh85iwr291JPxXrajo4

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 8 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25c25e741ebfd6b74616dd5713e3fd4b32119c8d20c8d6b3d4012389b599ee60.exe
    "C:\Users\Admin\AppData\Local\Temp\25c25e741ebfd6b74616dd5713e3fd4b32119c8d20c8d6b3d4012389b599ee60.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\SDExtClient.exe
      "C:\Users\Admin\AppData\Local\Temp\SD_ADF\SDExtClient.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:5108
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 1276
      2⤵
      • Program crash
      PID:1312
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 1276
      2⤵
      • Program crash
      PID:4484
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2236 -ip 2236
    1⤵
      PID:5040

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Bootkit

    1
    T1067

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\DecresePrint.exe
      Filesize

      314KB

      MD5

      b3603b9b5388f6ac61b54bf478b5c969

      SHA1

      9746d6e5749ae45a0d50bb65bfb8b64645da55e3

      SHA256

      428b983c0b0b12f8fb8422408b0e7094f01b7ce11b807d353bbd17bb68133f30

      SHA512

      bb5f14ec32e3a5b8c3d168c966f2a6f2bb5b66c50330cf4667316c38b4f2e856425dd48770a6c5e398cfe6b8d066db931fa4e6be120e988ed65273b0e1a06ced

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\ExePath\ExePath.ini
      Filesize

      116B

      MD5

      cb6d5297a6252e07e0e7f6aa2b13f636

      SHA1

      188ced23822e088a79d7ccba5e1c32d849b0fb90

      SHA256

      e269413407fbb8649c2e433fc71cdffd86058ffae44a9f816d8d7f326f8b3c1c

      SHA512

      4233e1a846a372fcafcffe4f135a0bdcd3e5157affdafa7540e073055f2c771bc9ecec3cb516fd656cf3ca2bba121c4798668f3de89a25c0bdc53aa64be732e5

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\FSPFileOut.dll
      Filesize

      50KB

      MD5

      0310cfe97fafd9392c8926241a54002a

      SHA1

      35adc58c9c6c897a6f5d4c3b805324d970ff98dc

      SHA256

      e9c27d7e6585626bff5f021a88ae295e78bbbbef573ba6787dd241457acf9c6c

      SHA512

      ba37f45676fea851e2af585c884f942d030d2e97fee63b05bfc3820b7612fd7c10f77b2018a11ab6eb985160c04104a842a7021ed43115e46d79194e4321537b

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\FSPFileOut.dll
      Filesize

      50KB

      MD5

      0310cfe97fafd9392c8926241a54002a

      SHA1

      35adc58c9c6c897a6f5d4c3b805324d970ff98dc

      SHA256

      e9c27d7e6585626bff5f021a88ae295e78bbbbef573ba6787dd241457acf9c6c

      SHA512

      ba37f45676fea851e2af585c884f942d030d2e97fee63b05bfc3820b7612fd7c10f77b2018a11ab6eb985160c04104a842a7021ed43115e46d79194e4321537b

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\FSPFileOut.sys
      Filesize

      21KB

      MD5

      c7046e9d79dad56500c7f01ea9b50317

      SHA1

      dcac96f3327f0a6f42de883dfab4ae6f4c4ed4f6

      SHA256

      c99863b250e9308ff2ba47e88dd5caad9c2e119e9a17ace88bb2a7bc7153c43c

      SHA512

      26656cf83951da906fef954cb85919560888d5a4dc6fedff1a9876c654f2167a2851f85c203fb1da0bdab8d70d1e25194d26cb57031771d921ae606a480e3222

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\FSPFileOut64.sys
      Filesize

      24KB

      MD5

      281fa560240cded410a958faab4f3a81

      SHA1

      73eefc8baa4cb8625fd177356607ca0a7539cbc5

      SHA256

      4f795529d7b886b694e437c4793fbb20c2b039e8a8cd881f12b53755743e9f23

      SHA512

      7ec626936e20f509e97defb61caeb5ff1f42e2c2a299c15af15f47107a078025d63fdd7310feba036ca1918dd0ae8359887dc8a0c83d5a25049a4b44fe95f410

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\FSP_PrintLimit.dll
      Filesize

      218KB

      MD5

      d5b3279eb9b8058bcdd88a82d522979e

      SHA1

      e90d0290ed8eed045db3b9c7cd1235bd2531e168

      SHA256

      6f858a704d9840781e50e8b2af73e48a881fed3b67b88563026da90497f05e33

      SHA512

      d79f046319558d162a4fcab70737d7045ea0bececa88a19d074271144619f9237cbd0dc41b19e09c853fdab03817f20314c5330082a44d0cb8a09ef22a464a96

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\FSP_PrintLimit64.dll
      Filesize

      253KB

      MD5

      8c0fe4eb0c0566dc6b578abf504c8e4f

      SHA1

      f41f6e69101cb9e84835488dc3c4069db263d631

      SHA256

      299f0fa7f59a7f3ca7ecbe08db3a9570d3d1cec95d4b787275ccd75c029ca2ab

      SHA512

      5d7ad2b666a666e9b7f5ce6c95dab1f811a957d0917597f353c00a830b65f2f1b0924eee170f06514b34e843b0b3b98f9857329fcdd4c7abf58298ef0b4708cd

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\FileRedirectEx.dll
      Filesize

      88KB

      MD5

      f4cb091200c8aa6822c0ddfa8b1fc5ea

      SHA1

      f19b7892aeb599597b3921d889bead8d67435c19

      SHA256

      57a362dfe409d067ecf21796c2d10ae1ea487f7775dbb6b424c6e39f45d90a06

      SHA512

      2e09302f01d6aaf011adc308485f3a9951ae1e52c3dca9bf8cbd8a45fefacb98330b9c79acb794dbcaa84fbce5558a85367a60ab7db82ea3fb075f256b4617e4

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\Fsp_Notice.dll
      Filesize

      531KB

      MD5

      16ddd1e7aec3b76b06ad46c34c869ef5

      SHA1

      c65d196c9d310f9e3733d7d726a5cbbefd4404d0

      SHA256

      3e7a3c2d7483fbbb93eae2c87feb5dd7e25f73edd31612aaa7966ad364a6be4d

      SHA512

      d06d7a975535b7ec8062fd8a9a5e6524c01f31fe4161ada02182f21e3a6c6711f3e4ea23d5930758527ef3db4f23f1d6170f2bd664542887db14b336a3acbc34

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\Fsp_Notice.dll
      Filesize

      531KB

      MD5

      16ddd1e7aec3b76b06ad46c34c869ef5

      SHA1

      c65d196c9d310f9e3733d7d726a5cbbefd4404d0

      SHA256

      3e7a3c2d7483fbbb93eae2c87feb5dd7e25f73edd31612aaa7966ad364a6be4d

      SHA512

      d06d7a975535b7ec8062fd8a9a5e6524c01f31fe4161ada02182f21e3a6c6711f3e4ea23d5930758527ef3db4f23f1d6170f2bd664542887db14b336a3acbc34

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\ImpControl.dll
      Filesize

      37KB

      MD5

      e88bfbe7e63480f1e69769384e918578

      SHA1

      96ccd80e5d28acbb528da416ec7f30b4138306f9

      SHA256

      226d470e7cfcd5e319a3c1a610f3c7e9b6d26377af902c9b73fc6f30097be634

      SHA512

      90fc5327774c1e382793deb53fdf9ae58aa66186c4ed68723a38b0e4399c3d733ddb8aafcbbbc946e9a86ea82c6285201e2861300537cb4044de4b9cd31ffc06

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\LoaderInterface.dll
      Filesize

      60KB

      MD5

      f5f001ca8cdac172286ffaeaf1ab4e13

      SHA1

      e89b2b326084a286ea57aa76ed0138baf9d6c9a6

      SHA256

      cd85db8ae064cc14c38892ca632073a7d9d1880abc08c5854bfb3d89f83f7eef

      SHA512

      f98446e039e6f788dc2bc8b24cecb40c53fded01d6a08aec12f18977df0fde566cafaeec3db26c1b5c4d23de28194656985e958b14c1b02bb91c969f104e7a59

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\LoaderInterface.dll
      Filesize

      60KB

      MD5

      f5f001ca8cdac172286ffaeaf1ab4e13

      SHA1

      e89b2b326084a286ea57aa76ed0138baf9d6c9a6

      SHA256

      cd85db8ae064cc14c38892ca632073a7d9d1880abc08c5854bfb3d89f83f7eef

      SHA512

      f98446e039e6f788dc2bc8b24cecb40c53fded01d6a08aec12f18977df0fde566cafaeec3db26c1b5c4d23de28194656985e958b14c1b02bb91c969f104e7a59

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\SDCommon.dll
      Filesize

      71KB

      MD5

      e21b7c64b236181645ea7e3d26e7a928

      SHA1

      c73c82ce09f10e3604c0c12fe5e13f0a51c921b5

      SHA256

      37d14827cf93ba1cad060c8c5c0d2576d96d9230efb1201b7cc19f98d6020b0c

      SHA512

      55e2440c968593e6bcc5586c81bff9a2a6516b0a99ddec3ef2e07afc03a384ec5a00dd1d48106f881ebeb1a1a418cb3d255ba665ddc27d80026a66c936e0a94f

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\SDCommon.dll
      Filesize

      71KB

      MD5

      e21b7c64b236181645ea7e3d26e7a928

      SHA1

      c73c82ce09f10e3604c0c12fe5e13f0a51c921b5

      SHA256

      37d14827cf93ba1cad060c8c5c0d2576d96d9230efb1201b7cc19f98d6020b0c

      SHA512

      55e2440c968593e6bcc5586c81bff9a2a6516b0a99ddec3ef2e07afc03a384ec5a00dd1d48106f881ebeb1a1a418cb3d255ba665ddc27d80026a66c936e0a94f

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\SDCommonEx.dll
      Filesize

      199KB

      MD5

      534ebb974cabdb64b5503b4727877024

      SHA1

      bc571ac14dadbf43770d68facca2b0953cd9ed05

      SHA256

      748aa576deffe0b93a5e446d01e53cddf52d38bf6a6ea6252d636326e7a4340b

      SHA512

      51a6a2d0b2b283faeffeaf3879d84ab37b72916b951eb41f9439a2486fef135c0c91f539541d158e63e2393a1ba5370075bf8e586ee38d82e9a4b1d7b2ec0207

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\SDCommonEx.dll
      Filesize

      199KB

      MD5

      534ebb974cabdb64b5503b4727877024

      SHA1

      bc571ac14dadbf43770d68facca2b0953cd9ed05

      SHA256

      748aa576deffe0b93a5e446d01e53cddf52d38bf6a6ea6252d636326e7a4340b

      SHA512

      51a6a2d0b2b283faeffeaf3879d84ab37b72916b951eb41f9439a2486fef135c0c91f539541d158e63e2393a1ba5370075bf8e586ee38d82e9a4b1d7b2ec0207

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\SDExtClient.exe
      Filesize

      2.9MB

      MD5

      c2b721bf5ba2e41588304d553bfa3466

      SHA1

      b6a09708706112871d795a2b4d8ba8f85f667fab

      SHA256

      bdaff354d371b36595e2007fdbb8e2bce270a581a2bb2fec9d5b7bd02491e103

      SHA512

      b37344c1a24eee2c1e5971e26a735bc430db62783485f494b9d7147ac9855d36613a4c511f4d26d5d5c03fe0b8ddc8156f66892b982298b3b7b722f4d558d3a4

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\SDExtClient.exe
      Filesize

      2.9MB

      MD5

      c2b721bf5ba2e41588304d553bfa3466

      SHA1

      b6a09708706112871d795a2b4d8ba8f85f667fab

      SHA256

      bdaff354d371b36595e2007fdbb8e2bce270a581a2bb2fec9d5b7bd02491e103

      SHA512

      b37344c1a24eee2c1e5971e26a735bc430db62783485f494b9d7147ac9855d36613a4c511f4d26d5d5c03fe0b8ddc8156f66892b982298b3b7b722f4d558d3a4

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\SDExtPolicy.lst
      Filesize

      2KB

      MD5

      d1c3daf182486f22dca456de2837014d

      SHA1

      2d1185bd79b8a244dcbca899e6341c3d89c6991e

      SHA256

      c1c3df35f1237320e7ff9c18c095af1ea117641dc0d33bb7cab5f07eaf3bd61b

      SHA512

      a5b497e8c3a387c28c580b8abe696e3b04bcc0eb9c0c13b53c56c1cbcc41205c9c69178f0a1d663d3de22b5133c00d2886cbfeb94dd28a405083dbce8946eebd

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\SDOutHook.dll
      Filesize

      208KB

      MD5

      017d3bd42d580fe02506b374117f154d

      SHA1

      443ba02d89382f044c69e64f8bbedef1abbf3e51

      SHA256

      ddbb5ce5819ca1d94c41439c4ab6c8153645ffebb9636e1e74e24818cf74dd15

      SHA512

      3ea3650e3b1b45666670ee64801013d9b8ad5b40899cdd8552b6bede664360a7a357f6554603ff9c5e1d281ad981fb516d779f334a574ae90e14f0ef3e430d69

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\SDOutHook64.dll
      Filesize

      239KB

      MD5

      795cc642f6e52640fe10a7f2301c349b

      SHA1

      dfa77691d63baa21ceafc987ab4f09764f8db572

      SHA256

      af87a1378c2c669558a66f5d6ee1a2c5d9c0cac69eef9c8aa881fd65c0e9a524

      SHA512

      5887cfde99927f2fedc851ea9741f17d2551ff3eccbf35350e2fb3a06a6b03df577a2599699a6078cfd36d7b68ac185a371dff87840736c2081d57090c3dd530

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\SDOutHookLoader.exe
      Filesize

      85KB

      MD5

      74fb536b7d928ab6baf698fb44922a9f

      SHA1

      a597e9d4f1d66097e7e20dbe46207d255e6722af

      SHA256

      1fab3a8b8e043aa91c17316927396e647d757c7705a3ad724c68de5546793876

      SHA512

      6ced3265556731748640332e7192bd18cfd5a78f363afc41bb30e283372173adef041c5dd4243c221f95eadf51864c1a63d9975394f2abedb46f470aa78f9bd5

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\SDOutHookLoader64.exe
      Filesize

      94KB

      MD5

      9a9678b6a44ad0187bdf44482261cbfb

      SHA1

      b349453262d332703c9036965f10fad9b49b2ce3

      SHA256

      8e6a8424173c14a7b897f1af8385578c9c8ce1887c708a9999b37b82b1ae4ce7

      SHA512

      8c7fd316d5361f4e5c0dadeea9b5f9d2aa554c319d8438852a20f59073d38386d92132dfada3365311fc13f31cd4f9f62ef1ce3436bb43e1e8194d854a5dee6c

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\SD_AssistP.dll
      Filesize

      76KB

      MD5

      b3f3758a563104345e37498579f91e39

      SHA1

      e4130c49b342dd6aa8bba85ba89d6d519ed1a194

      SHA256

      05bd3f7342b60405a37da0ad0f7f68a6a7cc9ab5482747fad08e8fdfb2f7a9b9

      SHA512

      67e104d1e99b31b601c69354e4b2f562e01e7ac37305043c93f85b852a9befd6ccd2aef9736f2c1509ef823ccd78361cff0612236ea7a27a4daf9ead9e731ad1

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\SD_AssistP.dll
      Filesize

      76KB

      MD5

      b3f3758a563104345e37498579f91e39

      SHA1

      e4130c49b342dd6aa8bba85ba89d6d519ed1a194

      SHA256

      05bd3f7342b60405a37da0ad0f7f68a6a7cc9ab5482747fad08e8fdfb2f7a9b9

      SHA512

      67e104d1e99b31b601c69354e4b2f562e01e7ac37305043c93f85b852a9befd6ccd2aef9736f2c1509ef823ccd78361cff0612236ea7a27a4daf9ead9e731ad1

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\SelfExtract.exe
      Filesize

      1004KB

      MD5

      8bdcb2c5a3eb175394deb0d90bcc8263

      SHA1

      e6f8aa5332a989e69c246ba78f6783c58ac4cfa4

      SHA256

      859b923457c7c084008e2fcf75e6dd309f24d1b3f93514c08e73d9469fccddd6

      SHA512

      94310458b6b165192b61dfd1cbdb9e87e05e2d704464b143a39773f9838a5db967954a7c0d2c03a0e258ecd62932875533b811bea5d1d99e57a2cc0d8e40832b

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\csp_crypto_dll.dll
      Filesize

      76KB

      MD5

      c644949671ca7e0c5055207a0a4c45ab

      SHA1

      523705caa026c77b082c25d6c5b64d0e3fd6d2ee

      SHA256

      30d763349c73cd39411406fa2f4aab5edda2394b9d8e200a7df86d1e39cecc0f

      SHA512

      7260574b09a059e45c06f62c9166858a42d37d1ca54a2f7cda2de2d6dafad44923bbf7649cb213e026ea3f6f74479514c0badb6f954e1e534c1dfd465608ccd4

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\csp_crypto_dll.dll
      Filesize

      76KB

      MD5

      c644949671ca7e0c5055207a0a4c45ab

      SHA1

      523705caa026c77b082c25d6c5b64d0e3fd6d2ee

      SHA256

      30d763349c73cd39411406fa2f4aab5edda2394b9d8e200a7df86d1e39cecc0f

      SHA512

      7260574b09a059e45c06f62c9166858a42d37d1ca54a2f7cda2de2d6dafad44923bbf7649cb213e026ea3f6f74479514c0badb6f954e1e534c1dfd465608ccd4

    • C:\Users\Admin\AppData\Local\Temp\SD_ADF\csp_soft.dll
      Filesize

      136KB

      MD5

      a7c97559d7137d256c4df9725fbd30db

      SHA1

      b66a0d1308d532bfa5b766a9aa7922c1d71a436f

      SHA256

      fdac77981aa42256b881f29365079801385fce16d5a095e8321611cb22480eb5

      SHA512

      fdf7c804b139b88e80defd2fd6dd015acadecad267c9330ba23bdf0b47197cc6a1a185b4cc14eee6c45a942630036db736081e1db578dc6dcb454454811dc762

    • C:\Users\Admin\AppData\Local\Temp\evbA23.tmp
      Filesize

      1KB

      MD5

      607f71634812be52285b38bf5e1045da

      SHA1

      fc6c1be4daf417a58528441f9d8f4e3deef5a729

      SHA256

      8473b73da507b05ce3bf000c831f9e4227a8efbae8df2ff774bebd4932ab2bb5

      SHA512

      dde318c9852827cc65079a2921d2bf47691d670421946426e59f98066f018266119b728da5bb77d311274e689004e99786e3edf1edb315178652eda161bc4b5f

    • memory/1312-158-0x0000000000000000-mapping.dmp
    • memory/2236-157-0x0000000010000000-0x0000000010038000-memory.dmp
      Filesize

      224KB

    • memory/2236-156-0x0000000000400000-0x0000000000475000-memory.dmp
      Filesize

      468KB

    • memory/2236-136-0x0000000010000000-0x0000000010038000-memory.dmp
      Filesize

      224KB

    • memory/2236-134-0x0000000010000000-0x0000000010038000-memory.dmp
      Filesize

      224KB

    • memory/2236-132-0x0000000000400000-0x0000000000475000-memory.dmp
      Filesize

      468KB

    • memory/2236-172-0x0000000000400000-0x0000000000475000-memory.dmp
      Filesize

      468KB

    • memory/5108-137-0x0000000000000000-mapping.dmp