Analysis

  • max time kernel
    393s
  • max time network
    419s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2022 15:33

General

  • Target

    file.exe

  • Size

    257KB

  • MD5

    2bdc884f5196976c0de3167589f63522

  • SHA1

    5b978a100bbb83b0bbec915bd1c3b07525196259

  • SHA256

    0646127a521c320e61c31e4ae2c035e53438d7ff8d25e28cd7150367f40d9504

  • SHA512

    a50a9949662bd8e0eafe665c5ab65b1c488c4e3122535908aea91a8584bc005b6744610cb973fcf761ce3165ae324c627d23d144f211e2a57f63a36d13c6d690

  • SSDEEP

    6144:QBn1Z0jDV/nnSM77DguiCKieVOo5lhuxBaBUAIjmMQ8sXx:gAnSM77VijZV/5lhuxBaBUA6OL

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

us90

Decoy

1expresno.app

thepsychic.africa

burjbinghattitower.com

hotelurgell.com

goldenassistant.com

ecovod-servise.ru

kbjnonprofit.com

dope.trade

babylon-it.net

dsatyui.xyz

myexpertisebybbl.app

2185866.com

inboxwired.xyz

lamy.life

gic-invest.info

eliteconstructionsni.co.uk

lamygeo.com

courean.space

cremation-services-75688.com

fapearte.com

Signatures

  • Formbook

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

  • Formbook payload 4 IoCs
  • Executes dropped EXE 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 8 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3524
      • C:\Users\Admin\AppData\Local\Temp\dsdbla.exe
        "C:\Users\Admin\AppData\Local\Temp\dsdbla.exe" C:\Users\Admin\AppData\Local\Temp\liijoebg.mh
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2512
        • C:\Users\Admin\AppData\Local\Temp\dsdbla.exe
          "C:\Users\Admin\AppData\Local\Temp\dsdbla.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4672
          • C:\Windows\SysWOW64\colorcpl.exe
            "C:\Windows\SysWOW64\colorcpl.exe"
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4536
    • C:\Windows\SysWOW64\autofmt.exe
      "C:\Windows\SysWOW64\autofmt.exe"
      2⤵
        PID:460
      • C:\Windows\SysWOW64\autofmt.exe
        "C:\Windows\SysWOW64\autofmt.exe"
        2⤵
          PID:1700
        • C:\Windows\SysWOW64\autoconv.exe
          "C:\Windows\SysWOW64\autoconv.exe"
          2⤵
            PID:4432
          • C:\Windows\SysWOW64\cmstp.exe
            "C:\Windows\SysWOW64\cmstp.exe"
            2⤵
              PID:1136
            • C:\Windows\SysWOW64\autofmt.exe
              "C:\Windows\SysWOW64\autofmt.exe"
              2⤵
                PID:2728
              • C:\Windows\SysWOW64\autofmt.exe
                "C:\Windows\SysWOW64\autofmt.exe"
                2⤵
                  PID:3756
                • C:\Windows\SysWOW64\autofmt.exe
                  "C:\Windows\SysWOW64\autofmt.exe"
                  2⤵
                    PID:2084
                  • C:\Windows\SysWOW64\autofmt.exe
                    "C:\Windows\SysWOW64\autofmt.exe"
                    2⤵
                      PID:2296
                    • C:\Windows\SysWOW64\autofmt.exe
                      "C:\Windows\SysWOW64\autofmt.exe"
                      2⤵
                        PID:1624
                      • C:\Windows\SysWOW64\autofmt.exe
                        "C:\Windows\SysWOW64\autofmt.exe"
                        2⤵
                          PID:4984
                        • C:\Windows\SysWOW64\rundll32.exe
                          "C:\Windows\SysWOW64\rundll32.exe"
                          2⤵
                            PID:2564

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

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

                          Filesize

                          104KB

                          MD5

                          94602804a99dca871f93226f5b96ea72

                          SHA1

                          64337e2b7b7774d49063797b68804146481d641d

                          SHA256

                          ccb9e20dd6659f49a7e79337849608b121ca1a52f96a1f9420c9eccf9d66acb2

                          SHA512

                          c97648551f3c32c723c524c5ccbf7907c664aaa4cadf8dad8de538544a3690aea7b0182452dab59171b3e44dbb125252279314d97c965a36d4d5d10e3870722b

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

                          Filesize

                          104KB

                          MD5

                          94602804a99dca871f93226f5b96ea72

                          SHA1

                          64337e2b7b7774d49063797b68804146481d641d

                          SHA256

                          ccb9e20dd6659f49a7e79337849608b121ca1a52f96a1f9420c9eccf9d66acb2

                          SHA512

                          c97648551f3c32c723c524c5ccbf7907c664aaa4cadf8dad8de538544a3690aea7b0182452dab59171b3e44dbb125252279314d97c965a36d4d5d10e3870722b

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

                          Filesize

                          104KB

                          MD5

                          94602804a99dca871f93226f5b96ea72

                          SHA1

                          64337e2b7b7774d49063797b68804146481d641d

                          SHA256

                          ccb9e20dd6659f49a7e79337849608b121ca1a52f96a1f9420c9eccf9d66acb2

                          SHA512

                          c97648551f3c32c723c524c5ccbf7907c664aaa4cadf8dad8de538544a3690aea7b0182452dab59171b3e44dbb125252279314d97c965a36d4d5d10e3870722b

                        • C:\Users\Admin\AppData\Local\Temp\gjldvdpgwtq.wu

                          Filesize

                          185KB

                          MD5

                          dc178368ef86f9e47be7b46d80973b7f

                          SHA1

                          188ad6c5b474a5a173b707a401858236052349fa

                          SHA256

                          64536c8c1548dfce51f857bfd87cbe2071ab3888fe3ddda942d6a5827680507c

                          SHA512

                          f2d00cfeda08309ee9b6c43d3f7b6250bfd8d7668f563da70e28c2963a11202c499f3d3f835b26ccfecb0439a97bb1360f7d5fc50438b5cab73656960acd71bf

                        • C:\Users\Admin\AppData\Local\Temp\liijoebg.mh

                          Filesize

                          5KB

                          MD5

                          e074e51a3b0f9f1d64f6eeb23b3032e0

                          SHA1

                          08aef3eaf7300ef03a83a285edf2b1171b240331

                          SHA256

                          c990ccf8006c966795c1de212b08a205c6bbfd11bfdd5e4010ae318941cca399

                          SHA512

                          029d2ab2441bbc8716c09161f4127301c1e1ff8d20c85c9b1326c59ac13a5ad1ef459c446564eb1049fbd8add4ebdd47e0aace6b14a10841564c42042852df72

                        • memory/2512-132-0x0000000000000000-mapping.dmp

                        • memory/2808-145-0x0000000008770000-0x000000000886E000-memory.dmp

                          Filesize

                          1016KB

                        • memory/2808-142-0x00000000085E0000-0x0000000008763000-memory.dmp

                          Filesize

                          1.5MB

                        • memory/2808-148-0x0000000008770000-0x000000000886E000-memory.dmp

                          Filesize

                          1016KB

                        • memory/4536-151-0x0000000002A40000-0x0000000002D8A000-memory.dmp

                          Filesize

                          3.3MB

                        • memory/4536-150-0x0000000000AB0000-0x0000000000ADF000-memory.dmp

                          Filesize

                          188KB

                        • memory/4536-149-0x00000000000F0000-0x0000000000109000-memory.dmp

                          Filesize

                          100KB

                        • memory/4536-146-0x0000000000000000-mapping.dmp

                        • memory/4672-137-0x0000000000000000-mapping.dmp

                        • memory/4672-144-0x0000000000650000-0x0000000000664000-memory.dmp

                          Filesize

                          80KB

                        • memory/4672-147-0x0000000000400000-0x000000000042F000-memory.dmp

                          Filesize

                          188KB

                        • memory/4672-143-0x0000000000400000-0x000000000042F000-memory.dmp

                          Filesize

                          188KB

                        • memory/4672-141-0x00000000005D0000-0x00000000005E4000-memory.dmp

                          Filesize

                          80KB

                        • memory/4672-140-0x0000000000AD0000-0x0000000000E1A000-memory.dmp

                          Filesize

                          3.3MB

                        • memory/4672-139-0x0000000000400000-0x000000000042F000-memory.dmp

                          Filesize

                          188KB