Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    22-04-2021 08:42

General

  • Target

    4.exe

  • Size

    611KB

  • MD5

    d3167fb7d23587aa700519d4392a9991

  • SHA1

    bbaa348775bbb75075c5caf22c5936ea6ac8d265

  • SHA256

    8029efcb7391f5085588b26992a6ecf4a5b59f036f41ec21ce720bf98e75d512

  • SHA512

    56556c1542301412a1276f8f672294d32e07949ae8c490c93343d8afc0211b1a9c8a3e3fd4813c505c0e8f895d06ed22b5970bee4c50969e91e21b4fec6b3c34

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.joomlas123.info/3nop/

Decoy

bakecakesandmore.com

shenglisuoye.com

chinapopfactory.com

ynlrhd.com

liqourforyou.com

leonqamil.com

meccafon.com

online-marketing-strategie.biz

rbfxi.com

frseyb.info

leyu91.com

hotsmail.today

beepot.tech

dunaemmetmobility.com

sixpenceworkshop.com

incrediblefavorcoaching.com

pofo.info

yanshudaili.com

yellowbrickwedding.com

paintpartyblueprint.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook Payload 3 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\4.exe
      "C:\Users\Admin\AppData\Local\Temp\4.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1076
      • C:\Windows\SysWOW64\logagent.exe
        C:\Windows\System32\logagent.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1136
    • C:\Windows\SysWOW64\systray.exe
      "C:\Windows\SysWOW64\systray.exe"
      2⤵
      • Adds policy Run key to start application
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1340
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\logagent.exe"
        3⤵
          PID:972
        • C:\Program Files\Mozilla Firefox\Firefox.exe
          "C:\Program Files\Mozilla Firefox\Firefox.exe"
          3⤵
            PID:1088

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\-65A6372\-65logim.jpeg

        MD5

        06af4b46242036ae974ee0f2c3c3aafd

        SHA1

        85189a1048ee805c2b0e72e898be0c2cc4e374ec

        SHA256

        d54b83c461d07ca3b1933547ed3858681f2661c1165545ab9c40096c8f6f33e6

        SHA512

        bfeb3671b53ee1f6b8cbaaa9dee8512380fc211a38726021f91c6238fd60fe9e02a615c20cfef1a8642c85280df9e2fba1e245e298dcc053fdfad01c604f8737

      • C:\Users\Admin\AppData\Roaming\-65A6372\-65logrf.ini

        MD5

        2f245469795b865bdd1b956c23d7893d

        SHA1

        6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

        SHA256

        1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

        SHA512

        909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

      • C:\Users\Admin\AppData\Roaming\-65A6372\-65logri.ini

        MD5

        d63a82e5d81e02e399090af26db0b9cb

        SHA1

        91d0014c8f54743bba141fd60c9d963f869d76c9

        SHA256

        eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

        SHA512

        38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

      • C:\Users\Admin\AppData\Roaming\-65A6372\-65logrv.ini

        MD5

        ba3b6bc807d4f76794c4b81b09bb9ba5

        SHA1

        24cb89501f0212ff3095ecc0aba97dd563718fb1

        SHA256

        6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

        SHA512

        ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

      • memory/972-72-0x0000000000000000-mapping.dmp

      • memory/1076-60-0x0000000000220000-0x0000000000221000-memory.dmp

        Filesize

        4KB

      • memory/1076-62-0x00000000002D0000-0x00000000002EA000-memory.dmp

        Filesize

        104KB

      • memory/1076-59-0x00000000766D1000-0x00000000766D3000-memory.dmp

        Filesize

        8KB

      • memory/1088-79-0x0000000000000000-mapping.dmp

      • memory/1088-81-0x0000000001300000-0x000000000143F000-memory.dmp

        Filesize

        1.2MB

      • memory/1088-80-0x000000013F8F0000-0x000000013F983000-memory.dmp

        Filesize

        588KB

      • memory/1136-68-0x0000000002280000-0x0000000002583000-memory.dmp

        Filesize

        3.0MB

      • memory/1136-66-0x0000000000090000-0x0000000000091000-memory.dmp

        Filesize

        4KB

      • memory/1136-69-0x0000000000390000-0x00000000003A4000-memory.dmp

        Filesize

        80KB

      • memory/1136-67-0x0000000010410000-0x000000001043D000-memory.dmp

        Filesize

        180KB

      • memory/1136-65-0x0000000000000000-mapping.dmp

      • memory/1200-77-0x00000000041D0000-0x00000000042CF000-memory.dmp

        Filesize

        1020KB

      • memory/1200-70-0x00000000074C0000-0x000000000763C000-memory.dmp

        Filesize

        1.5MB

      • memory/1340-74-0x0000000000080000-0x00000000000AD000-memory.dmp

        Filesize

        180KB

      • memory/1340-75-0x0000000001FD0000-0x00000000022D3000-memory.dmp

        Filesize

        3.0MB

      • memory/1340-76-0x0000000000990000-0x0000000000A23000-memory.dmp

        Filesize

        588KB

      • memory/1340-73-0x0000000000A30000-0x0000000000A35000-memory.dmp

        Filesize

        20KB

      • memory/1340-71-0x0000000000000000-mapping.dmp