Analysis

  • max time kernel
    3s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2022, 01:23

General

  • Target

    ffdb18f55c4bae9552758ddfeac827d2ece830a3b888496b25b913596b54cda0.exe

  • Size

    250KB

  • MD5

    70b23fb04841e6581fef57e02902094a

  • SHA1

    391202e1a31245350cdc599255c30c91c36887e6

  • SHA256

    ffdb18f55c4bae9552758ddfeac827d2ece830a3b888496b25b913596b54cda0

  • SHA512

    5fc9ed215d64483c434f4d07d727f9478fe2f0d6134a72dd422baa8f28e378ab24b2624ba131ecfc24b57c3bc23972ec2062c263014638a13e45537a9f1bf43d

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5JcepSctPyciE7uR3DtqzGxuG0:h1OgLdaOJcwNFiESqznT

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 8 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ffdb18f55c4bae9552758ddfeac827d2ece830a3b888496b25b913596b54cda0.exe
    "C:\Users\Admin\AppData\Local\Temp\ffdb18f55c4bae9552758ddfeac827d2ece830a3b888496b25b913596b54cda0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Users\Admin\AppData\Local\Temp\7zS75BD.tmp\507323d913887.exe
      .\507323d913887.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1256

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\7zS75BD.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          6c80ef613b844c6b81b43a67088c4f8a

          SHA1

          fc0179b0bc139d0def06701c3e8934f001cd3654

          SHA256

          ebf9ebec4665f0f676557aeb6cfc2092d42921c1317ca003ff32bd80a6b8951c

          SHA512

          3f88fc272d5a625c89021f57e3d8bfd7385dfb4ea64cd27d681ea690a42ae5f911d2e3a773f2ab2ea71f9947f738d359845709f0a3ff58d1b6fc350e26f9e167

        • C:\Users\Admin\AppData\Local\Temp\7zS75BD.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          f8e25d9fe934122c7768747c6c63e6f7

          SHA1

          d5b99fe748d7034e1e59fef840b92a3b63329093

          SHA256

          4bd528858a187d0effb2761a8042d4b5ce3a844cfa8be7dc0bed51e224ec8ef6

          SHA512

          d4b96bdb39d260eaeef650fc4f499d4bc71c744469ad4d79db1b630dea6354e2cdc39e47b28c6729248ed9a2e030db0d3fb07d0dc04e3f83353ac05a75cd097f

        • C:\Users\Admin\AppData\Local\Temp\7zS75BD.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          276def72003fc6c99f0a9486dc7c275f

          SHA1

          eacd571689cff325ac75cc58d9fd9d979589b53c

          SHA256

          350c7093f2adad52c64066404f877120b231376bbdbcbf0a83b0aef11ddac8b7

          SHA512

          62fe3caad67a778df9e7e77ab4083d257505a425b68098ffdc2357bd2eb8aac8f941574743629060329bad77b5599f939c080ef96c6da4b17cf25dfb64b3d33c

        • C:\Users\Admin\AppData\Local\Temp\7zS75BD.tmp\[email protected]\content\zy.xul

          Filesize

          225B

          MD5

          3811fc8f373f319ff2aefec4e5060e11

          SHA1

          3e0b8870b1f45cf8790ef5cb5b31b433bd2140ed

          SHA256

          b3643a9c073b6a3390cc60aadf6a69568334c44ea067a877310fbf45f2196145

          SHA512

          aa85fb7d7473c1d21705030e20bc0053fab8c902c19d29ae1b8f4b2b2b97e85793141d0a9caad45ce505e7333848d7287fa087839c6a324398a90763eb900aac

        • C:\Users\Admin\AppData\Local\Temp\7zS75BD.tmp\[email protected]\install.rdf

          Filesize

          717B

          MD5

          29537424846f587ba8a1e87c68c37ae3

          SHA1

          1e148a99a8759aee8057d05f0976c4dc966478c3

          SHA256

          cebb9d3d8ccc90ff1449e059341fb488bd4f7cb7170438362d36326b16994090

          SHA512

          692627c4ccf9e3294da6bfb7faa43e1041cff81573eb527953d8dc0d33f3415fe0d49f5be1a99bd9fefab96452c5a631af6c252ef55faaa35b1bf7e41811cac2

        • C:\Users\Admin\AppData\Local\Temp\7zS75BD.tmp\507323d913887.exe

          Filesize

          65KB

          MD5

          4ccf1a317aa8539c857835e4ebe9c806

          SHA1

          223b73d09d7398f40aff3ccc569e66cae3886ee9

          SHA256

          4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

          SHA512

          ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

        • C:\Users\Admin\AppData\Local\Temp\7zS75BD.tmp\507323d913887.exe

          Filesize

          65KB

          MD5

          4ccf1a317aa8539c857835e4ebe9c806

          SHA1

          223b73d09d7398f40aff3ccc569e66cae3886ee9

          SHA256

          4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

          SHA512

          ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

        • C:\Users\Admin\AppData\Local\Temp\7zS75BD.tmp\507323d9138c0.ocx

          Filesize

          151KB

          MD5

          c78c6140cb88ef4dc94f999291bb5ab1

          SHA1

          65b47ed5ec889e0e558c79a13a81193fc59b8ce9

          SHA256

          6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

          SHA512

          ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

        • C:\Users\Admin\AppData\Local\Temp\7zS75BD.tmp\507323d9138f8.html

          Filesize

          4KB

          MD5

          9fce1e662c77c23cac3a395490dd8062

          SHA1

          122f6d29b9907eca0958f5b56c8628730ae62dea

          SHA256

          935a4901a63cae8d7ae61898e283e7f6fb91d28bafab770b639806e4e1c6657d

          SHA512

          0a59672204cd234c291dc402e0fe1d3aec786ff976dd94afd76d602ffcc32519635e0fc698f916656c9dc0441df7bee8047fbe087c3ad2fde5a89391d035ad1b

        • C:\Users\Admin\AppData\Local\Temp\7zS75BD.tmp\507323d913931.js

          Filesize

          9B

          MD5

          99fa5d714d971a49b67de27e0d8871be

          SHA1

          d0621e846ea60fa8d0b2c8e622e495af49cd7359

          SHA256

          f560d76474380da948a0c5ab8682dc026822d9685268c592f315224b1b968bf6

          SHA512

          2fec19e4f2a974227922a7e057890141523ae73fbfa127f9e8cd00dff71b29abb93cb865c6d74ecf3df8bca440c558d4fbf2f80e82cc9636320ab5edb95ebad5

        • C:\Users\Admin\AppData\Local\Temp\7zS75BD.tmp\bjaiafloekmkimpadgdcjbejhmljfkoi.crx

          Filesize

          7KB

          MD5

          f1791904eb196da432fa0d4de947eee7

          SHA1

          5de472068d05c70f0d47bc80110f8bc82ed3df80

          SHA256

          e85fd32c4d589cbd5c16c0049278aa0ebec2a2e14c2295008f11a773f7493260

          SHA512

          b30bc2cc8e2f87dd4ece24e5bfff4564e8c534efbc6b45ffeb886dd22eddec735e1fb718012ea623029e8c42ce10d7f0e3dd4864909dc5ab058e21443911cac0

        • C:\Users\Admin\AppData\Local\Temp\7zS75BD.tmp\settings.ini

          Filesize

          903B

          MD5

          c03cadc573e8f3bcf2f7b858ae032f31

          SHA1

          b3d7547a938b28631f5063023284a347c28c4050

          SHA256

          68b28cd7e4c76d6e1eff4b6864d223b63cb1342171eaf12058874a1d5c6894b4

          SHA512

          a6539630a4a15cfb9f4915d21f7d5779459eb72ea4c97983579f95925b5298b760152cf7494509d24638e5a6b0586080b5c4ce93c1777ba6a70b1effb35072ea

        • \ProgramData\wxDownload\507323d9138c0.ocx

          Filesize

          151KB

          MD5

          c78c6140cb88ef4dc94f999291bb5ab1

          SHA1

          65b47ed5ec889e0e558c79a13a81193fc59b8ce9

          SHA256

          6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

          SHA512

          ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

        • \ProgramData\wxDownload\uninstall.exe

          Filesize

          48KB

          MD5

          a724dac649142fef71fe4b529684e969

          SHA1

          e2878e84886ec53a1332ad969a825062526b5cd4

          SHA256

          b58c58b5073034d74c5d93902bbb9d402be063e907bdf77115b55bbb99af21dc

          SHA512

          9f475ad52fa2b7f82e74df87c02e42f937b5e3b62773b7d51cb53facfcc8b4934ad3c2fc21496cfabaa4dd103a309ed5cccad1ad3d6037f6c4f3a540e3e9d5b3

        • \Users\Admin\AppData\Local\Temp\7zS75BD.tmp\507323d913887.exe

          Filesize

          65KB

          MD5

          4ccf1a317aa8539c857835e4ebe9c806

          SHA1

          223b73d09d7398f40aff3ccc569e66cae3886ee9

          SHA256

          4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

          SHA512

          ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

        • \Users\Admin\AppData\Local\Temp\nsd7698.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

        • memory/1952-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

          Filesize

          8KB