Analysis

  • max time kernel
    150s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    07-05-2021 07:01

General

  • Target

    NEW ORDER.exe

  • Size

    277KB

  • MD5

    fdb13566001939b797325265bc1048e0

  • SHA1

    096a63354f73bcc105030ede2f04c5bb12cf2711

  • SHA256

    3f2cdc7783014a37d7ad61ee00c226d5221d4932f4113eb3590a9c9d0447b461

  • SHA512

    faac103a3a220885b3e4ec848e384e9b8b7ce9a19ab90c97d6319106e0a00275b0d6a51ab94e63bad147e2bcb32cc8ef051705c3b5e019ae1374cfdb901bf934

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.knighttechinca.com/dxe/

Decoy

sardarfarm.com

959tremont.com

privat-livecam.net

ansel-homebakery.com

joysupermarket.com

peninsulamatchmakers.net

northsytyle.com

radioconexaoubermusic.com

relocatingrealtor.com

desyrnan.com

onlinehoortoestel.online

enpointe.online

rvvikings.com

paulpoirier.com

shitarpa.net

kerneis.net

rokitreach.com

essentiallygaia.com

prestiged.net

fuerzaagavera.com

Signatures

  • Formbook

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

  • Formbook Payload 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Users\Admin\AppData\Local\Temp\NEW ORDER.exe
      "C:\Users\Admin\AppData\Local\Temp\NEW ORDER.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4020
      • C:\Users\Admin\AppData\Local\Temp\NEW ORDER.exe
        "C:\Users\Admin\AppData\Local\Temp\NEW ORDER.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1692
    • C:\Windows\SysWOW64\colorcpl.exe
      "C:\Windows\SysWOW64\colorcpl.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\NEW ORDER.exe"
        3⤵
          PID:3048

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\nsh1842.tmp\crn3htp6rs7xv.dll
      MD5

      c340305243a686b51804d971ea98eb58

      SHA1

      b097ab251863dc844a79dcbee454548baa08d58a

      SHA256

      5e4c6ac84b748a87ad634ae0b05095487272d08e47ca62538e07e83e3e9ca7cd

      SHA512

      55e3c59224b820564a0cfa819e74b02c424dc94abc1da4e7e64f46dc5ee1fbb8cdc5733e89ce97ad3ef37578fe3e2c08729d06df37eac0dccc7f055629ed7785

    • memory/1692-118-0x00000000009F0000-0x0000000000D10000-memory.dmp
      Filesize

      3.1MB

    • memory/1692-117-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/1692-119-0x0000000000E30000-0x0000000000E44000-memory.dmp
      Filesize

      80KB

    • memory/1692-115-0x000000000041EAF0-mapping.dmp
    • memory/2632-121-0x0000000000000000-mapping.dmp
    • memory/2632-122-0x0000000000C80000-0x0000000000C99000-memory.dmp
      Filesize

      100KB

    • memory/2632-123-0x0000000000330000-0x000000000035E000-memory.dmp
      Filesize

      184KB

    • memory/2632-125-0x0000000004570000-0x0000000004890000-memory.dmp
      Filesize

      3.1MB

    • memory/2632-126-0x00000000042D0000-0x0000000004363000-memory.dmp
      Filesize

      588KB

    • memory/3048-124-0x0000000000000000-mapping.dmp
    • memory/3064-120-0x00000000043C0000-0x00000000044CA000-memory.dmp
      Filesize

      1.0MB

    • memory/3064-127-0x0000000004DB0000-0x0000000004EAB000-memory.dmp
      Filesize

      1004KB

    • memory/4020-116-0x0000000002290000-0x0000000002292000-memory.dmp
      Filesize

      8KB