Analysis

  • max time kernel
    147s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:39

General

  • Target

    STATEMENT OF ACCOUNTS.exe

  • Size

    464KB

  • MD5

    bbb834f13790a853aafd0d0adab527f4

  • SHA1

    8b20c41d9c082642d9d7c858105d224b81f6fdc2

  • SHA256

    c1b2a36d08dfb9bc18d53112299e6cef0c5057885918a4485b8f1b87a20d709a

  • SHA512

    68303db868b5bf9897e636caf946c5dde5cf28e0590649e1f8e4b0e998eb7c1ea599b87c95f6f7361effcf6fb04737168ed15d9aad95e77acae3dfb619cfe87b

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

nfl

Decoy

giacamp.net

qb51.party

mashalevine.com

russiasexdating.com

jitangyy.com

morockin.com

karoreiss.com

tractionhero.today

bienvenueenprovence.net

stormharbour.info

61999h.com

tryandcert.com

bestwaytosuccess.com

laobaochang.com

otomatiktente.com

rehpb.info

ivpdqb.info

dc-wv-wv-ie-q.com

goingmagic.com

cimachain.com

Signatures

  • Formbook

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

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Formbook Payload 4 IoCs
  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe
      "C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1972
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ObKQGjkvrU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1517.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:636
      • C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe
        "{path}"
        3⤵
          PID:1484
        • C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe
          "{path}"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1736
      • C:\Windows\SysWOW64\wininit.exe
        "C:\Windows\SysWOW64\wininit.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:1528
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe"
          3⤵
          • Deletes itself
          PID:524

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp1517.tmp

      Filesize

      1KB

      MD5

      c6c8c4ae5b03c4fa9c13894087c5544a

      SHA1

      0a044f0852c595a7f4674141812bdf946f5e24df

      SHA256

      3985d98a518d2ccaa6a3791c72a4c57e04faf7c8eed96392d5b6e1822069ab53

      SHA512

      8f679b9719c588782fd0d0630aa0016011b7ff09d8125babf77a454749516da15d40a88eb9d49a7cb1935690d973576406fe91107dd7271b02dc0347763d7ed8

    • C:\Users\Admin\AppData\Roaming\K15M0CQ7\K15logim.jpeg

      Filesize

      67KB

      MD5

      51e90ab0c83a71c7207e14b88272b9ee

      SHA1

      f432057e19517686ce8dfe48ed54e1ef7fd63545

      SHA256

      197d391531e47af63479225126f1f69418a0a930fe04a21621f2408e3044af16

      SHA512

      7eb84189d676c2375021f88afd19b256dd05e4555387399b4dceca78e4431e8c389651891b59cccd8714dc02014103456cab15628e17b4f9a96af00785a0c9d5

    • C:\Users\Admin\AppData\Roaming\K15M0CQ7\K15logri.ini

      Filesize

      40B

      MD5

      d63a82e5d81e02e399090af26db0b9cb

      SHA1

      91d0014c8f54743bba141fd60c9d963f869d76c9

      SHA256

      eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

      SHA512

      38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

    • C:\Users\Admin\AppData\Roaming\K15M0CQ7\K15logrv.ini

      Filesize

      40B

      MD5

      ba3b6bc807d4f76794c4b81b09bb9ba5

      SHA1

      24cb89501f0212ff3095ecc0aba97dd563718fb1

      SHA256

      6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

      SHA512

      ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

    • memory/524-72-0x0000000000000000-mapping.dmp

    • memory/636-58-0x0000000000000000-mapping.dmp

    • memory/1416-69-0x0000000006C70000-0x0000000006DDE000-memory.dmp

      Filesize

      1.4MB

    • memory/1416-76-0x0000000006FA0000-0x00000000070CF000-memory.dmp

      Filesize

      1.2MB

    • memory/1528-77-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

      Filesize

      8KB

    • memory/1528-74-0x0000000001F80000-0x0000000002283000-memory.dmp

      Filesize

      3.0MB

    • memory/1528-73-0x0000000000080000-0x00000000000AA000-memory.dmp

      Filesize

      168KB

    • memory/1528-71-0x00000000006E0000-0x00000000006FA000-memory.dmp

      Filesize

      104KB

    • memory/1528-75-0x0000000001DF0000-0x0000000001E83000-memory.dmp

      Filesize

      588KB

    • memory/1528-70-0x0000000000000000-mapping.dmp

    • memory/1736-60-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/1736-68-0x00000000003A0000-0x00000000003B4000-memory.dmp

      Filesize

      80KB

    • memory/1736-67-0x0000000000840000-0x0000000000B43000-memory.dmp

      Filesize

      3.0MB

    • memory/1736-66-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/1736-64-0x000000000041B620-mapping.dmp

    • memory/1736-63-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/1736-61-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/1972-54-0x0000000000140000-0x00000000001BC000-memory.dmp

      Filesize

      496KB

    • memory/1972-57-0x00000000021A0000-0x00000000021D8000-memory.dmp

      Filesize

      224KB

    • memory/1972-56-0x0000000000530000-0x0000000000538000-memory.dmp

      Filesize

      32KB

    • memory/1972-55-0x00000000005F0000-0x000000000062C000-memory.dmp

      Filesize

      240KB