Analysis

  • max time kernel
    148s
  • max time network
    169s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 14:42

General

  • Target

    PTT056739937pdf.exe

  • Size

    214KB

  • MD5

    52c97485bc35094afb64c8f8bb3945f5

  • SHA1

    7c177d8b33562f5e9c0aadd688b4f9a9e891ed28

  • SHA256

    1762c6b2de63b5d6470fdba19845c0110b60342cccbf2df75ba250c5b730d1ad

  • SHA512

    06a632d6632c51177d31f9c9b5e5beb186abdef61c20b820a67817edb51a30d029e93f86528f94415d2ae77184661f6c2a96af73496a256cdaf76a6a3c7a07c7

  • SSDEEP

    6144:qweEpUjGehdR82Jp83HR4TR66swZIpaDU05thwd7jE0mqYu0pk:bUjTPGvm9cxyrwd7uu0i

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mr06

Decoy

dreamrose.shop

bamdadlive.com

avastfr.com

aishabolduc.design

nobulldownhill.com

navis.store

paintingsantaclarita.com

wdidfhqo9751ds.link

epilateurlaser.info

expertdoctor.xyz

jtfaqyxo.work

zrexvita.live

coloradomarketingfirm.com

prestigehospitality.solutions

bmayple.com

sea-food.online

mejor-proteccion-es.click

tophatlimitless.buzz

inailshickorycreek.com

tintash-sg.net

Signatures

  • Formbook

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

  • Formbook payload 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 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 27 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Users\Admin\AppData\Local\Temp\PTT056739937pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\PTT056739937pdf.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:856
      • C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe
        "C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1104
        • C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe
          "C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1756
    • C:\Windows\SysWOW64\autofmt.exe
      "C:\Windows\SysWOW64\autofmt.exe"
      2⤵
        PID:2044
      • C:\Windows\SysWOW64\wlanext.exe
        "C:\Windows\SysWOW64\wlanext.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1744
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe"
          3⤵
            PID:1448

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\bxpmmv.s

        Filesize

        5KB

        MD5

        4f7823afefaa6a9c78a36131fce2cbb4

        SHA1

        0e496fd3b47e36d19dba3427594444a827ddbb68

        SHA256

        e79c88c765ff1ab23702b08daafe88f6ccb2feacd78aedeb0cbda18166049dda

        SHA512

        d72297590763080cf497e2aee24f25481425a95a6000dd78bcc0d2b67d401e3ca8420a50c6190e0dcf57da4d19b8e5e19f6a907f42a593fcd8f96acb02853799

      • C:\Users\Admin\AppData\Local\Temp\rahej.c

        Filesize

        185KB

        MD5

        fbe963b97d7dc514721f06bd00c698a8

        SHA1

        3e6614491da0ebfc8622bd6391fa6bc3f5df6ef9

        SHA256

        38b70c9231cc7737d9f5e0fc1a0eef9304e792ed70cf4096067c394ff08a9d73

        SHA512

        df3f307baae94aba5d39a1a4cb0c6037027f76d5af7cfb902ee92bc17df329478cfc1aabe5c9c9f41ca53bcaa77178a6353bba5e114984a28d97e2cf84ea722f

      • C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe

        Filesize

        7KB

        MD5

        9a89e0a0537301f23735b1c3ced7c6bf

        SHA1

        ee116a9c51813fa158c072a6d41af3b263e53f99

        SHA256

        cbff760e19d7f26458e9a0c92f4375b1d60f7a8de748d67e63902b9878f513af

        SHA512

        ed342e26938b6d1707feb89766fb079952801d8ccbe5d6f6981a7d4a9e76f62beca49614cede48ce5959e09cc9f21598802fa7f8023ce03ed21f80621665c93a

      • C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe

        Filesize

        7KB

        MD5

        9a89e0a0537301f23735b1c3ced7c6bf

        SHA1

        ee116a9c51813fa158c072a6d41af3b263e53f99

        SHA256

        cbff760e19d7f26458e9a0c92f4375b1d60f7a8de748d67e63902b9878f513af

        SHA512

        ed342e26938b6d1707feb89766fb079952801d8ccbe5d6f6981a7d4a9e76f62beca49614cede48ce5959e09cc9f21598802fa7f8023ce03ed21f80621665c93a

      • C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe

        Filesize

        7KB

        MD5

        9a89e0a0537301f23735b1c3ced7c6bf

        SHA1

        ee116a9c51813fa158c072a6d41af3b263e53f99

        SHA256

        cbff760e19d7f26458e9a0c92f4375b1d60f7a8de748d67e63902b9878f513af

        SHA512

        ed342e26938b6d1707feb89766fb079952801d8ccbe5d6f6981a7d4a9e76f62beca49614cede48ce5959e09cc9f21598802fa7f8023ce03ed21f80621665c93a

      • \Users\Admin\AppData\Local\Temp\voqhrhox.exe

        Filesize

        7KB

        MD5

        9a89e0a0537301f23735b1c3ced7c6bf

        SHA1

        ee116a9c51813fa158c072a6d41af3b263e53f99

        SHA256

        cbff760e19d7f26458e9a0c92f4375b1d60f7a8de748d67e63902b9878f513af

        SHA512

        ed342e26938b6d1707feb89766fb079952801d8ccbe5d6f6981a7d4a9e76f62beca49614cede48ce5959e09cc9f21598802fa7f8023ce03ed21f80621665c93a

      • \Users\Admin\AppData\Local\Temp\voqhrhox.exe

        Filesize

        7KB

        MD5

        9a89e0a0537301f23735b1c3ced7c6bf

        SHA1

        ee116a9c51813fa158c072a6d41af3b263e53f99

        SHA256

        cbff760e19d7f26458e9a0c92f4375b1d60f7a8de748d67e63902b9878f513af

        SHA512

        ed342e26938b6d1707feb89766fb079952801d8ccbe5d6f6981a7d4a9e76f62beca49614cede48ce5959e09cc9f21598802fa7f8023ce03ed21f80621665c93a

      • memory/856-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

        Filesize

        8KB

      • memory/1104-56-0x0000000000000000-mapping.dmp

      • memory/1388-67-0x0000000006EC0000-0x000000000703D000-memory.dmp

        Filesize

        1.5MB

      • memory/1388-76-0x0000000004B70000-0x0000000004C22000-memory.dmp

        Filesize

        712KB

      • memory/1388-74-0x0000000004B70000-0x0000000004C22000-memory.dmp

        Filesize

        712KB

      • memory/1448-69-0x0000000000000000-mapping.dmp

      • memory/1744-68-0x0000000000000000-mapping.dmp

      • memory/1744-70-0x0000000000ED0000-0x0000000000EE6000-memory.dmp

        Filesize

        88KB

      • memory/1744-71-0x0000000000080000-0x00000000000AF000-memory.dmp

        Filesize

        188KB

      • memory/1744-72-0x0000000000B00000-0x0000000000E03000-memory.dmp

        Filesize

        3.0MB

      • memory/1744-73-0x00000000008D0000-0x0000000000963000-memory.dmp

        Filesize

        588KB

      • memory/1744-75-0x0000000000080000-0x00000000000AF000-memory.dmp

        Filesize

        188KB

      • memory/1756-66-0x00000000001C0000-0x00000000001D4000-memory.dmp

        Filesize

        80KB

      • memory/1756-65-0x0000000000B10000-0x0000000000E13000-memory.dmp

        Filesize

        3.0MB

      • memory/1756-64-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/1756-62-0x000000000041F140-mapping.dmp