Resubmissions

14-09-2023 16:50

230914-vccteadd3x 10

10-08-2020 09:13

200810-2b9zl1cdns 10

Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    10-08-2020 09:13

General

  • Target

    Quotationv.exe

  • Size

    669KB

  • MD5

    52cfc15a97799e70a8b4a39b04bc8e2b

  • SHA1

    2cfa4daab21dd8115167a3ccba0080f5fdad63ff

  • SHA256

    f910b739d3d727fc1f5acde88b0740a575c603dc6c61246156c5debd6bd126bc

  • SHA512

    95b7d0c4942703ebfec9d405bfe08efd1f11c2af3b9f65e05bef5afb3440fabcff5e5733de9bec824331d6b22c26e72419e25ca66a6948c07c0c4d4cc98fcdc3

Malware Config

Extracted

Family

formbook

C2

http://www.fex-tracks.com/pdup/

Decoy

mycharlesschwab.com

casinocode.online

lesliemostellerart.com

cdtevergreen.com

jualpenirumasli.com

lvyouonline.com

moteaiai.com

coachmo13.com

lampungtimur.com

sellmycapecodhouse.com

wearschool.com

onlinekazancyollari.com

ubmotherhood.com

sqyxedu.com

sibate518.com

energygv.com

sathsathhain.com

paperghostsbook.com

investinbritain.net

tansuokeji.ink

Signatures

  • Formbook

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

  • Formbook Payload 4 IoCs
  • Deletes itself 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Checks whether UAC is enabled
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1304
    • C:\Users\Admin\AppData\Local\Temp\Quotationv.exe
      "C:\Users\Admin\AppData\Local\Temp\Quotationv.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1124
      • C:\Users\Admin\AppData\Local\Temp\Quotationv.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1468
        • C:\Windows\SysWOW64\cmmon32.exe
          "C:\Windows\SysWOW64\cmmon32.exe"
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1096
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\Quotationv.exe"
            5⤵
            • Deletes itself
            PID:1536
    • C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      2⤵
        PID:1620

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1096-4-0x0000000000000000-mapping.dmp
    • memory/1096-5-0x0000000000550000-0x000000000055D000-memory.dmp
      Filesize

      52KB

    • memory/1096-7-0x0000000003000000-0x000000000309A000-memory.dmp
      Filesize

      616KB

    • memory/1096-8-0x0000000074F30000-0x0000000074F38000-memory.dmp
      Filesize

      32KB

    • memory/1124-0-0x00000000077F0000-0x00000000077F2000-memory.dmp
      Filesize

      8KB

    • memory/1304-3-0x0000000005070000-0x0000000005130000-memory.dmp
      Filesize

      768KB

    • memory/1468-1-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/1468-2-0x000000000041EDC0-mapping.dmp
    • memory/1536-6-0x0000000000000000-mapping.dmp
    • memory/1680-9-0x000007FEF7E00000-0x000007FEF807A000-memory.dmp
      Filesize

      2.5MB