Analysis

  • max time kernel
    200s
  • max time network
    225s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2022, 07:13

General

  • Target

    e7535a14ed9e82119d78d222f5ceff79ec6529671dfcfc837aa673aab5b542ef.exe

  • Size

    250KB

  • MD5

    bb05e733e82a8d997e8304fc4f432767

  • SHA1

    cd93cf122a487163c69f0159176ef63a154ae274

  • SHA256

    e7535a14ed9e82119d78d222f5ceff79ec6529671dfcfc837aa673aab5b542ef

  • SHA512

    ce2571d2e74a5d4fdacf9c1bb0f82c2841f47678cc185bde14f446988d46c24c8c669be6044d3c734fae185aff482acddd19f32a16dfba45c86aacf44af15f84

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5sRb7rkfoQqxVAiB+1:h1OgLdaOMrkfoQqxmoG

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 4 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7535a14ed9e82119d78d222f5ceff79ec6529671dfcfc837aa673aab5b542ef.exe
    "C:\Users\Admin\AppData\Local\Temp\e7535a14ed9e82119d78d222f5ceff79ec6529671dfcfc837aa673aab5b542ef.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2980
    • C:\Users\Admin\AppData\Local\Temp\7zSB853.tmp\506b407a44e5d.exe
      .\506b407a44e5d.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1272

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\wxDownload\506b407a44e96.ocx

          Filesize

          151KB

          MD5

          c78c6140cb88ef4dc94f999291bb5ab1

          SHA1

          65b47ed5ec889e0e558c79a13a81193fc59b8ce9

          SHA256

          6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

          SHA512

          ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

        • C:\Users\Admin\AppData\Local\Temp\7zSB853.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          d6186e2b2b8d70e2ee90448470618426

          SHA1

          73563c2997dfd5c97a1511e9412ca4f34d3d5beb

          SHA256

          c8ceac03837b323d5a7d3c727787f06ac48ab5d4ae67bd7418ad3cf708256d4c

          SHA512

          b36ab3cacd69b040ceee69687beb2c04cbfe8c35b4f9c3c02cd68a1e23d0d8a2d2c19738e76266376ef52b7601be810dcda0ca5f20bd09db2e7bd6ed56042a97

        • C:\Users\Admin\AppData\Local\Temp\7zSB853.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          f1d3ef28ddd223bf01da710a42bdc6e5

          SHA1

          49a2510d6fb0926afaf2fb307685c584f5aae482

          SHA256

          d71b1e6ed8316788d812c7222996ea93a86566ef004f2a3fd24873f9d77df5c9

          SHA512

          d533bf7fff34c9dea3fae94f940fe09c6ee78267d7b793766cb68c2aab6b82eb2fc3d9a9e1063d4b124ce2eba48e2faf9e0edafa0e849576a47ce8edad9eb5e7

        • C:\Users\Admin\AppData\Local\Temp\7zSB853.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          51d610d5b8fda00fad7a53320a7a167f

          SHA1

          13b8ddcc348c06a9c0f3f4758acae8673aade7dd

          SHA256

          6d7acfe52d4b9fd5277a79446739bcd7df6420c2ea9a902c40744841ac0846c0

          SHA512

          d327c4c8bfd7cd72605c4e23378a9beec73e67385c1216f0525257f9a1683c12dbdb1518644c7f8c37fdd8c634d1fce4de2addc81133215274137fba3fc160a4

        • C:\Users\Admin\AppData\Local\Temp\7zSB853.tmp\[email protected]\content\zy.xul

          Filesize

          225B

          MD5

          b3b731e0bb191c0349fd96ac30a42a3d

          SHA1

          bded151f0961747501dd11573923294135c71f4a

          SHA256

          7fa21243c7b55297d10a03deefd1ca4e6bcc28dfdb30019a5ff49fafbf7a8880

          SHA512

          e211ac40848537ad62455b8460a800515d0cc95667acee972a0bfcd50950df6afd0cb71e23a5da153e18a7c7453c1bc679838105a77958d17754d779d0eb3d93

        • C:\Users\Admin\AppData\Local\Temp\7zSB853.tmp\[email protected]\install.rdf

          Filesize

          717B

          MD5

          ef4408fb1c82d7982afa67383150b861

          SHA1

          35248612194e542c83b282d42d58921bea749f30

          SHA256

          724f8d2cb91c5d6ec7933601119ae4c4161ba66549c007202c1b531ab1256eb7

          SHA512

          092082aa462d90ee9f366c039afa8b4b198a06b82002e7d5dcf0cbd3a968fe790057be6efcd547854272d49a9aa00cec5249ba93fc04eb3d4350318c33a6b8a2

        • C:\Users\Admin\AppData\Local\Temp\7zSB853.tmp\506b407a44e5d.exe

          Filesize

          65KB

          MD5

          4ccf1a317aa8539c857835e4ebe9c806

          SHA1

          223b73d09d7398f40aff3ccc569e66cae3886ee9

          SHA256

          4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

          SHA512

          ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

        • C:\Users\Admin\AppData\Local\Temp\7zSB853.tmp\506b407a44e5d.exe

          Filesize

          65KB

          MD5

          4ccf1a317aa8539c857835e4ebe9c806

          SHA1

          223b73d09d7398f40aff3ccc569e66cae3886ee9

          SHA256

          4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

          SHA512

          ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

        • C:\Users\Admin\AppData\Local\Temp\7zSB853.tmp\506b407a44e96.ocx

          Filesize

          151KB

          MD5

          c78c6140cb88ef4dc94f999291bb5ab1

          SHA1

          65b47ed5ec889e0e558c79a13a81193fc59b8ce9

          SHA256

          6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

          SHA512

          ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

        • C:\Users\Admin\AppData\Local\Temp\7zSB853.tmp\506b407a44ece.html

          Filesize

          4KB

          MD5

          70ed9c80d80f1e1fcbeaecb650679e64

          SHA1

          0d5f181cd4777db05bb5b3ed205ba1d0ef617c1f

          SHA256

          4899ce94d5fe428a08197020f7b2c335f2c8125280e913fdbc706a937a5f7e4c

          SHA512

          9cc4c01a279f2c4424ec65bd840f984abefa0d5ca51162fb06e1261cde97a9f27e20003bced70f7031acb7114c370ddc95f807b62609c1f51642bfcfdd0228b8

        • C:\Users\Admin\AppData\Local\Temp\7zSB853.tmp\506b407a44f07.js

          Filesize

          9B

          MD5

          99fa5d714d971a49b67de27e0d8871be

          SHA1

          d0621e846ea60fa8d0b2c8e622e495af49cd7359

          SHA256

          f560d76474380da948a0c5ab8682dc026822d9685268c592f315224b1b968bf6

          SHA512

          2fec19e4f2a974227922a7e057890141523ae73fbfa127f9e8cd00dff71b29abb93cb865c6d74ecf3df8bca440c558d4fbf2f80e82cc9636320ab5edb95ebad5

        • C:\Users\Admin\AppData\Local\Temp\7zSB853.tmp\egpbponmnkdeokdnipbanejanpefmcha.crx

          Filesize

          7KB

          MD5

          1412d8d6ede7561dfbdab0d36c6905ce

          SHA1

          b38425a31e6fd6a7038ddcc2f2288404efea5fc5

          SHA256

          ada09c86c8955aac2839289f0ec962d4374dd96d733c649372bfc08ea288097d

          SHA512

          3d7de0c7f2b3bdf25964cb6694d0fa66189b79c5203c70693202f32aa87d918a5a28a19897e510cbb39a19a8b9bb6f13e5840abd801d6549ffd8f699d0e8a444

        • C:\Users\Admin\AppData\Local\Temp\7zSB853.tmp\settings.ini

          Filesize

          903B

          MD5

          9417f2034aabdbcf77b17c9aa8d8f396

          SHA1

          81f378a1093bb779989ce5f88f470f32afe0519d

          SHA256

          db4a17c9b054a9d4d2d28b757e26185500f8f8bda43bd7618edd4961a0f2c38a

          SHA512

          3448642db56f07a673be08637da4a5922e83b566600bd34d016444ad27bcd89bcdc7293acca3e8111a5cedbd1e2d0124c193e92467832c65778b717fdc742a71

        • C:\Users\Admin\AppData\Local\Temp\nsvB9BC.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b