Analysis

  • max time kernel
    126s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 19:32

General

  • Target

    c57c882f738f919d1ee5707207ced76dcf644563b6b406dde273d0195ebec598.exe

  • Size

    920KB

  • MD5

    1f7646e22b71407fec632898dffc5c64

  • SHA1

    e872ac758170f518e1e411c68d16608e499862cc

  • SHA256

    c57c882f738f919d1ee5707207ced76dcf644563b6b406dde273d0195ebec598

  • SHA512

    70991b10707d158f8a2271e8140ccdc53dcd4042a89ca0d420587c56e7e2711d233f811a1cf7057283ac1cfaf1dbb4752fff08b295f0daff7989a5690f896325

  • SSDEEP

    24576:h1OYdaO6MtdHAqcdDVhYwiei7+EpFAh/kKG:h1OsjPHVmVhYwiLtKkKG

Malware Config

Signatures

  • Executes dropped EXE 1 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.

  • Drops Chrome extension 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c57c882f738f919d1ee5707207ced76dcf644563b6b406dde273d0195ebec598.exe
    "C:\Users\Admin\AppData\Local\Temp\c57c882f738f919d1ee5707207ced76dcf644563b6b406dde273d0195ebec598.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3840
    • C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\OsJNr4YZLOdpg0B.exe
      .\OsJNr4YZLOdpg0B.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5044
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:4228
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:4268

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      Query Registry

      1
      T1012

      Collection

      Data from Local System

      1
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\OsJNr4YZLOdpg0B.dat
        Filesize

        1KB

        MD5

        b2001467b0dd0103ccc68f9bbd9ef2f5

        SHA1

        b7b1c971126106c359b96152940615f0911365e4

        SHA256

        0c677796b892099ace2a7762378a793e795a23261c46f3e30dccd5337912d636

        SHA512

        1d77f0d09111fc9aca2ca48f6e85579c9827ab77006f0309a1a7c956124172773da5df2dff71eb1b1c1e11fb3ba8860cbbd2e639495fbd673d98e494ae0a1e91

      • C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\OsJNr4YZLOdpg0B.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\OsJNr4YZLOdpg0B.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        5429da3fcd4f5c58cbdcac60be85d2b8

        SHA1

        156bd593a3f6bb697b2ed71bdc9aee7f7e0fc594

        SHA256

        173dd6086c9f0c3b514a9be52ddab5cf408aa220f6cc4f205ec6c4d05b91b27d

        SHA512

        fef9c2d6f2f04830fd76643d83c3ba0f5277b696572a786578ce505a0beea302653641c482c3ade839c26cb51533cbecc7badbe217efaf86923ea29df914fcbe

      • C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\[email protected]\content\bg.js
        Filesize

        8KB

        MD5

        d9adcbb695fcaa1c8a605260f533ec63

        SHA1

        b89801349b70f9e95222c822190a9141e5203b1c

        SHA256

        4543bb83c17f30fda70e1a867946a9782912583d714f77f73a04e571c5cfe8ae

        SHA512

        c5d2db4792386f023fb249f25cb239b336a346f89e25a78168440ec8727f1ec4031aa8e699ead3104cb568cea3c3c245a04342aa4593432674d3dbd44700fcdc

      • C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\[email protected]\install.rdf
        Filesize

        596B

        MD5

        2f51fb9c1251d9cc491ad06bac18373a

        SHA1

        d61c174db7d33efce75e11ca6c6262234b7e8d24

        SHA256

        9e32525459e1575d653fdb17f8c2b6adc1d754b96768b727d6b172b628427f51

        SHA512

        9d5ebefda6e8c0baf5c50cde88424f086918c68d2dd5f4c2e2400a737e30bb1945184f0af9ddc66b7eec9073b1ae80c60b56985dc110b2abc91cc5133c9b859a

      • C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\ebaeicihgomlmbnomlibmpjldgimgohh\background.html
        Filesize

        147B

        MD5

        3f539e9627a2d42255100c56f79deafb

        SHA1

        f2c8dd22deb2481ebc38e37f564c8d480af4707a

        SHA256

        f4d3065776d069fa50a1fa2919a6b71a77b2f32f8e55f8907206ce2332707084

        SHA512

        2083fb5a2ae4414bea06a75870b4473009689c61685cdbd667eac15277c4af2baee5255ea82e6dece255b0e569c2a59bf148f749e4b4380641c7165fd3f6f842

      • C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\ebaeicihgomlmbnomlibmpjldgimgohh\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\ebaeicihgomlmbnomlibmpjldgimgohh\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\ebaeicihgomlmbnomlibmpjldgimgohh\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zSC604.tmp\ebaeicihgomlmbnomlibmpjldgimgohh\yqCEI4DpBD.js
        Filesize

        6KB

        MD5

        cd8a69ec12e9ba5f19fa3f262c51426d

        SHA1

        a615cc7b358ac0c9621e914137762c7b8ae84d9a

        SHA256

        90e167c8b70150033945c017c20affd9f47635095e15399dcd8264fd114ac25b

        SHA512

        4fb72503d7ca6f69404f8c17670a38b4043ba96d70684d62b99e5eef8de435e0b395adde84a582a7868080644b3dbaa13c347cdb6a8bbfa6eb99504546e167cd

      • memory/5044-132-0x0000000000000000-mapping.dmp