Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2022 11:53

General

  • Target

    e-dekont.html.exe

  • Size

    322KB

  • MD5

    55118de0c492e1425cb3ef8f27ed7124

  • SHA1

    2d7a0eee423509129264dce5266c13e0c67e21d3

  • SHA256

    6e8de74475e365bdd0f573a03266f447a13f30a76cc2c71d14c1fc5607e1ae5d

  • SHA512

    b14b1a918f1760558c5cc4437c1d1626f0c77aa28c3f2fae89985dda4f64f426d0a28b9ccee8e6687472f29a914ccf8e710950898ba0f09e484189e1e7bfd407

  • SSDEEP

    6144:QBn1X1benXIzx6/7YMovhl5nqvEQqVX8QYaTttAFvnkU/Vdcf757dpqXbUA0hO:gX1aF/7YZ35n4EQq9zyvz/aVZpqXD04

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mi08

Decoy

mytimebabes.com

ycpxb.com

abdkaplani.com

cloudingersoftech.com

fthfire.xyz

christyna.work

3d-add-on.com

knowyourtechdeals.com

kcl24.com

sepatubiker.com

sunnyboy.live

zrbsq.com

rinpari.com

lesac-berra.com

yes820.com

cnnorman.com

mystichousedv.com

sbobet888auto.com

gawiul.xyz

luispenas.com

Signatures

  • Formbook

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

  • Formbook payload 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1272
    • C:\Users\Admin\AppData\Local\Temp\e-dekont.html.exe
      "C:\Users\Admin\AppData\Local\Temp\e-dekont.html.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1528
      • C:\Users\Admin\AppData\Local\Temp\lfjebdgdht.exe
        "C:\Users\Admin\AppData\Local\Temp\lfjebdgdht.exe" C:\Users\Admin\AppData\Local\Temp\neylxsdg.s
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1364
        • C:\Users\Admin\AppData\Local\Temp\lfjebdgdht.exe
          "C:\Users\Admin\AppData\Local\Temp\lfjebdgdht.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1340
          • C:\Windows\SysWOW64\systray.exe
            "C:\Windows\SysWOW64\systray.exe"
            5⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1496
            • C:\Windows\SysWOW64\cmd.exe
              /c del "C:\Users\Admin\AppData\Local\Temp\lfjebdgdht.exe"
              6⤵
                PID:780
      • C:\Windows\SysWOW64\systray.exe
        "C:\Windows\SysWOW64\systray.exe"
        2⤵
          PID:584

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\lfjebdgdht.exe
        Filesize

        267KB

        MD5

        06663976b57ecf3104bfce3ef0ad9145

        SHA1

        721a0946e77b3a1bdb5a38c574cdcf4fb651aae0

        SHA256

        89a921ca7915d2755043e124b9f90ca9d6580f99f5b14d9325f7efc1077217d3

        SHA512

        8be81a0088b0144999f87a22ad41f175417771e49c261ff0db2c01604b4b04b6038b1750949ab18da33f54b56ae5570874ce75bd9457785fb2814eeb3aec19ee

      • C:\Users\Admin\AppData\Local\Temp\lfjebdgdht.exe
        Filesize

        267KB

        MD5

        06663976b57ecf3104bfce3ef0ad9145

        SHA1

        721a0946e77b3a1bdb5a38c574cdcf4fb651aae0

        SHA256

        89a921ca7915d2755043e124b9f90ca9d6580f99f5b14d9325f7efc1077217d3

        SHA512

        8be81a0088b0144999f87a22ad41f175417771e49c261ff0db2c01604b4b04b6038b1750949ab18da33f54b56ae5570874ce75bd9457785fb2814eeb3aec19ee

      • C:\Users\Admin\AppData\Local\Temp\lfjebdgdht.exe
        Filesize

        267KB

        MD5

        06663976b57ecf3104bfce3ef0ad9145

        SHA1

        721a0946e77b3a1bdb5a38c574cdcf4fb651aae0

        SHA256

        89a921ca7915d2755043e124b9f90ca9d6580f99f5b14d9325f7efc1077217d3

        SHA512

        8be81a0088b0144999f87a22ad41f175417771e49c261ff0db2c01604b4b04b6038b1750949ab18da33f54b56ae5570874ce75bd9457785fb2814eeb3aec19ee

      • C:\Users\Admin\AppData\Local\Temp\neylxsdg.s
        Filesize

        5KB

        MD5

        6129ce51566021467204240af3cac6fa

        SHA1

        1bc7e72bd7f1a5fb31e2f70d90f4e3d3d3d8ea24

        SHA256

        3917b4d440bb0ee2ba8f2842a524240a4a84007e0a0ae0b521aeb7dec3b2b35a

        SHA512

        8dc6f7916e107322cd2d25b6f2094816484bf2367dfe3d2b1e1577d09b604539e8c82d54ea3bfebb3ab44b44bb34d3b1da54905710e8353de4930c5f801607ce

      • C:\Users\Admin\AppData\Local\Temp\thiayyv.kvu
        Filesize

        185KB

        MD5

        492e12d6214232a2cf8b202b0d0bdef0

        SHA1

        ba082a23e4e5ae05b648763dc4f65ed612f08e50

        SHA256

        5f5a8c0f4c4e538f7a102ecae8bfb0700a2f3b2198766fd6efedb365d4d1ad11

        SHA512

        8e5625472ec098a301e328b0fb827a77bf3e30f66c4aa0af8fa6e3735b43c655a84bc6fe7e427a0cd0fbd8cb3da6e5a1acee9e577c3f2a5d0c571074485d8d83

      • \Users\Admin\AppData\Local\Temp\lfjebdgdht.exe
        Filesize

        267KB

        MD5

        06663976b57ecf3104bfce3ef0ad9145

        SHA1

        721a0946e77b3a1bdb5a38c574cdcf4fb651aae0

        SHA256

        89a921ca7915d2755043e124b9f90ca9d6580f99f5b14d9325f7efc1077217d3

        SHA512

        8be81a0088b0144999f87a22ad41f175417771e49c261ff0db2c01604b4b04b6038b1750949ab18da33f54b56ae5570874ce75bd9457785fb2814eeb3aec19ee

      • \Users\Admin\AppData\Local\Temp\lfjebdgdht.exe
        Filesize

        267KB

        MD5

        06663976b57ecf3104bfce3ef0ad9145

        SHA1

        721a0946e77b3a1bdb5a38c574cdcf4fb651aae0

        SHA256

        89a921ca7915d2755043e124b9f90ca9d6580f99f5b14d9325f7efc1077217d3

        SHA512

        8be81a0088b0144999f87a22ad41f175417771e49c261ff0db2c01604b4b04b6038b1750949ab18da33f54b56ae5570874ce75bd9457785fb2814eeb3aec19ee

      • memory/780-75-0x0000000000000000-mapping.dmp
      • memory/1272-67-0x0000000004B60000-0x0000000004CE9000-memory.dmp
        Filesize

        1.5MB

      • memory/1272-79-0x0000000002AA0000-0x0000000002B4F000-memory.dmp
        Filesize

        700KB

      • memory/1272-78-0x0000000002AA0000-0x0000000002B4F000-memory.dmp
        Filesize

        700KB

      • memory/1272-73-0x0000000006DD0000-0x0000000006F6B000-memory.dmp
        Filesize

        1.6MB

      • memory/1340-66-0x0000000000190000-0x00000000001A5000-memory.dmp
        Filesize

        84KB

      • memory/1340-65-0x0000000000AB0000-0x0000000000DB3000-memory.dmp
        Filesize

        3.0MB

      • memory/1340-68-0x00000000002D0000-0x00000000002E5000-memory.dmp
        Filesize

        84KB

      • memory/1340-69-0x0000000000400000-0x000000000042F000-memory.dmp
        Filesize

        188KB

      • memory/1340-62-0x000000000041F020-mapping.dmp
      • memory/1340-64-0x0000000000400000-0x000000000042F000-memory.dmp
        Filesize

        188KB

      • memory/1364-56-0x0000000000000000-mapping.dmp
      • memory/1496-70-0x0000000000000000-mapping.dmp
      • memory/1496-74-0x0000000001F30000-0x0000000002233000-memory.dmp
        Filesize

        3.0MB

      • memory/1496-72-0x0000000000080000-0x00000000000AF000-memory.dmp
        Filesize

        188KB

      • memory/1496-76-0x0000000000080000-0x00000000000AF000-memory.dmp
        Filesize

        188KB

      • memory/1496-77-0x0000000001DA0000-0x0000000001E34000-memory.dmp
        Filesize

        592KB

      • memory/1496-71-0x0000000000250000-0x0000000000255000-memory.dmp
        Filesize

        20KB

      • memory/1528-54-0x0000000075091000-0x0000000075093000-memory.dmp
        Filesize

        8KB