Analysis

  • max time kernel
    200s
  • max time network
    201s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-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 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 26 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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 behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1176
      • 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
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1324
        • 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
          PID:592
    • C:\Windows\SysWOW64\systray.exe
      "C:\Windows\SysWOW64\systray.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:676
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\dsdbla.exe"
        3⤵
          PID:1716

    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

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

      Filesize

      104KB

      MD5

      94602804a99dca871f93226f5b96ea72

      SHA1

      64337e2b7b7774d49063797b68804146481d641d

      SHA256

      ccb9e20dd6659f49a7e79337849608b121ca1a52f96a1f9420c9eccf9d66acb2

      SHA512

      c97648551f3c32c723c524c5ccbf7907c664aaa4cadf8dad8de538544a3690aea7b0182452dab59171b3e44dbb125252279314d97c965a36d4d5d10e3870722b

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

      Filesize

      104KB

      MD5

      94602804a99dca871f93226f5b96ea72

      SHA1

      64337e2b7b7774d49063797b68804146481d641d

      SHA256

      ccb9e20dd6659f49a7e79337849608b121ca1a52f96a1f9420c9eccf9d66acb2

      SHA512

      c97648551f3c32c723c524c5ccbf7907c664aaa4cadf8dad8de538544a3690aea7b0182452dab59171b3e44dbb125252279314d97c965a36d4d5d10e3870722b

    • memory/592-65-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/592-66-0x0000000000770000-0x0000000000A73000-memory.dmp

      Filesize

      3.0MB

    • memory/592-63-0x000000000041F170-mapping.dmp

    • memory/592-67-0x00000000003E0000-0x00000000003F4000-memory.dmp

      Filesize

      80KB

    • memory/676-69-0x0000000000000000-mapping.dmp

    • memory/676-70-0x00000000009E0000-0x00000000009E5000-memory.dmp

      Filesize

      20KB

    • memory/676-71-0x00000000000C0000-0x00000000000EF000-memory.dmp

      Filesize

      188KB

    • memory/676-72-0x0000000001F80000-0x0000000002283000-memory.dmp

      Filesize

      3.0MB

    • memory/676-74-0x00000000000C0000-0x00000000000EF000-memory.dmp

      Filesize

      188KB

    • memory/676-75-0x0000000001DF0000-0x0000000001E83000-memory.dmp

      Filesize

      588KB

    • memory/1176-54-0x00000000752B1000-0x00000000752B3000-memory.dmp

      Filesize

      8KB

    • memory/1248-68-0x0000000004C30000-0x0000000004D52000-memory.dmp

      Filesize

      1.1MB

    • memory/1248-76-0x00000000067F0000-0x000000000697B000-memory.dmp

      Filesize

      1.5MB

    • memory/1248-77-0x00000000067F0000-0x000000000697B000-memory.dmp

      Filesize

      1.5MB

    • memory/1324-56-0x0000000000000000-mapping.dmp

    • memory/1716-73-0x0000000000000000-mapping.dmp