Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2022 15:56

General

  • Target

    pl2.exe

  • Size

    266KB

  • MD5

    f919de1034edc7b8a4a5a8aa8f0067dd

  • SHA1

    ce50421738d5fb3108fe147dfdea5733fb01e19e

  • SHA256

    81ce31f6f3cd9a6a6037c411a1485bee35eaa93965fc6ccc2bd857c991fcad90

  • SHA512

    946fafde24bf34a659d8df5bcd0db2ff3791b92c0fd36d96a9273436bbc75244cfb26cc9bf00d86370fc92d13d3e791905bc8f8fe97eb74e1ea3b556cd649b70

  • SSDEEP

    6144:MtXZXPanzcQUuLgsNG0BPspB4nAFmklJB:Mtsz5DLgsp5ngDlj

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

d06c

Decoy

douglasdetoledopiza.com

yxcc.online

primo.llc

mediamomos.com

cosmetiq-pro.com

22labs.tech

turbowashing.com

lindaivell.site

princess-bed.club

groundget.cfd

agretaminiousa.com

lomoni.com

nessesse.us

lexgo.cloud

halilsener.xyz

kirokubo.cloud

corotip.sbs

meghq.net

5y6s.world

weasib.online

Signatures

  • Formbook

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

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Formbook payload 5 IoCs
  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 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 42 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Users\Admin\AppData\Local\Temp\pl2.exe
      "C:\Users\Admin\AppData\Local\Temp\pl2.exe"
      2⤵
      • Checks QEMU agent file
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4808
      • C:\Users\Admin\AppData\Local\Temp\pl2.exe
        "C:\Users\Admin\AppData\Local\Temp\pl2.exe"
        3⤵
        • Checks QEMU agent file
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:884
    • C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      2⤵
        PID:3852
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\SysWOW64\rundll32.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2436
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\pl2.exe"
          3⤵
            PID:4792

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\nss6A2B.tmp\System.dll

        Filesize

        11KB

        MD5

        7399323923e3946fe9140132ac388132

        SHA1

        728257d06c452449b1241769b459f091aabcffc5

        SHA256

        5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3

        SHA512

        d6f28ba761351f374ae007c780be27758aea7b9f998e2a88a542eede459d18700adffe71abcb52b8a8c00695efb7ccc280175b5eeb57ca9a645542edfabb64f1

      • memory/884-142-0x0000000001660000-0x0000000001760000-memory.dmp

        Filesize

        1024KB

      • memory/884-158-0x0000000001660000-0x0000000001760000-memory.dmp

        Filesize

        1024KB

      • memory/884-144-0x00000000772D0000-0x0000000077473000-memory.dmp

        Filesize

        1.6MB

      • memory/884-143-0x00007FF98F9D0000-0x00007FF98FBC5000-memory.dmp

        Filesize

        2.0MB

      • memory/884-137-0x0000000000000000-mapping.dmp

      • memory/884-138-0x0000000000400000-0x0000000001654000-memory.dmp

        Filesize

        18.3MB

      • memory/884-157-0x00000000772D0000-0x0000000077473000-memory.dmp

        Filesize

        1.6MB

      • memory/884-140-0x0000000001660000-0x0000000001760000-memory.dmp

        Filesize

        1024KB

      • memory/884-145-0x0000000000400000-0x0000000001654000-memory.dmp

        Filesize

        18.3MB

      • memory/884-156-0x00007FF98F9D0000-0x00007FF98FBC5000-memory.dmp

        Filesize

        2.0MB

      • memory/884-154-0x00007FF98F9D0000-0x00007FF98FBC5000-memory.dmp

        Filesize

        2.0MB

      • memory/884-152-0x00000000000A0000-0x00000000000B4000-memory.dmp

        Filesize

        80KB

      • memory/884-151-0x0000000000401000-0x0000000001654000-memory.dmp

        Filesize

        18.3MB

      • memory/884-146-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/884-147-0x000000001D6A0000-0x000000001D9EA000-memory.dmp

        Filesize

        3.3MB

      • memory/884-148-0x000000001D540000-0x000000001D554000-memory.dmp

        Filesize

        80KB

      • memory/2436-166-0x0000000000600000-0x000000000062F000-memory.dmp

        Filesize

        188KB

      • memory/2436-162-0x00000000024B0000-0x00000000027FA000-memory.dmp

        Filesize

        3.3MB

      • memory/2436-160-0x0000000000600000-0x000000000062F000-memory.dmp

        Filesize

        188KB

      • memory/2436-159-0x00000000000B0000-0x00000000000C4000-memory.dmp

        Filesize

        80KB

      • memory/2436-155-0x0000000000000000-mapping.dmp

      • memory/2436-164-0x0000000002310000-0x00000000023A3000-memory.dmp

        Filesize

        588KB

      • memory/2976-163-0x0000000007C30000-0x0000000007DD6000-memory.dmp

        Filesize

        1.6MB

      • memory/2976-153-0x0000000007C30000-0x0000000007DD6000-memory.dmp

        Filesize

        1.6MB

      • memory/2976-149-0x0000000006CE0000-0x0000000006E66000-memory.dmp

        Filesize

        1.5MB

      • memory/2976-165-0x0000000008500000-0x000000000867C000-memory.dmp

        Filesize

        1.5MB

      • memory/2976-167-0x0000000008500000-0x000000000867C000-memory.dmp

        Filesize

        1.5MB

      • memory/4792-161-0x0000000000000000-mapping.dmp

      • memory/4808-141-0x00007FF98F9D0000-0x00007FF98FBC5000-memory.dmp

        Filesize

        2.0MB

      • memory/4808-150-0x0000000004A00000-0x0000000004B01000-memory.dmp

        Filesize

        1.0MB

      • memory/4808-139-0x00000000772D0000-0x0000000077473000-memory.dmp

        Filesize

        1.6MB

      • memory/4808-136-0x00000000772D0000-0x0000000077473000-memory.dmp

        Filesize

        1.6MB

      • memory/4808-135-0x00007FF98F9D0000-0x00007FF98FBC5000-memory.dmp

        Filesize

        2.0MB

      • memory/4808-134-0x0000000004A00000-0x0000000004B01000-memory.dmp

        Filesize

        1.0MB

      • memory/4808-133-0x0000000004A00000-0x0000000004B01000-memory.dmp

        Filesize

        1.0MB