Resubmissions

09-11-2022 20:33

221109-zb1ajabhe3 10

Analysis

  • max time kernel
    149s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-11-2022 20:33

General

  • Target

    jetsoff6543.exe

  • Size

    214KB

  • MD5

    3052597dc463bafa0c102a204dbf58fc

  • SHA1

    bc083a8e34abfc24ea8b94b1325354ea2f4a08bb

  • SHA256

    84a150ec171d193dbd5738ade685f3225716b6945e59625ce458f0a9069860b8

  • SHA512

    9925797cf5061017bcfbf37ab968c0ddeda7e7abd6d2db8abb62aeb6ca0a711672b1cfd9c8a3ef7af07cedc9b7a4d8d0071a2371caabaacd9323d270ab6d4246

  • SSDEEP

    6144:qweEpoJiPJhQxjr858KG3NLsJrdtvUlAg:boJi0xnYUaJpx5g

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

je14

Decoy

innervisionbuildings.com

theenergysocialite.com

565548.com

panghr.com

onlyonesolutions.com

stjohnzone6.com

cnotes.rest

helfeb.online

xixi-s-inc.club

easilyentered.com

theshopx.store

mrclean-ac.com

miamibeachwateradventures.com

jpearce.co.uk

seseragi-bunkou.com

minimaddie.com

commbank-help-849c3.com

segohandelsonderneming.com

namthanhreal.com

fototerapi.online

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.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Users\Admin\AppData\Local\Temp\jetsoff6543.exe
      "C:\Users\Admin\AppData\Local\Temp\jetsoff6543.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3848
      • C:\Users\Admin\AppData\Local\Temp\qfaeenx.exe
        "C:\Users\Admin\AppData\Local\Temp\qfaeenx.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:4900
        • C:\Users\Admin\AppData\Local\Temp\qfaeenx.exe
          "C:\Users\Admin\AppData\Local\Temp\qfaeenx.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:2864
    • C:\Windows\SysWOW64\NETSTAT.EXE
      "C:\Windows\SysWOW64\NETSTAT.EXE"
      2⤵
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4756
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\qfaeenx.exe"
        3⤵
          PID:444

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Command-Line Interface

    1
    T1059

    Discovery

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      8KB

      MD5

      1c76048e3b5258e026fd31e7d3cc1530

      SHA1

      25bef57a5eda44f8bd59e6aecd7cf8f681bc66b8

      SHA256

      a067079fe15e9c86bea9eaa38a258d77129195eb585e17e90ff01bf981b9d3ac

      SHA512

      fb1f76d24fd2800348b7b179beb06728a30e7142c13feb55174a99414a435d4200483b255773befcad22e1fbbb180b0cf52e0f7e9160df8cb0084614cd7df2cf

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

      8KB

      MD5

      1c76048e3b5258e026fd31e7d3cc1530

      SHA1

      25bef57a5eda44f8bd59e6aecd7cf8f681bc66b8

      SHA256

      a067079fe15e9c86bea9eaa38a258d77129195eb585e17e90ff01bf981b9d3ac

      SHA512

      fb1f76d24fd2800348b7b179beb06728a30e7142c13feb55174a99414a435d4200483b255773befcad22e1fbbb180b0cf52e0f7e9160df8cb0084614cd7df2cf

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

      8KB

      MD5

      1c76048e3b5258e026fd31e7d3cc1530

      SHA1

      25bef57a5eda44f8bd59e6aecd7cf8f681bc66b8

      SHA256

      a067079fe15e9c86bea9eaa38a258d77129195eb585e17e90ff01bf981b9d3ac

      SHA512

      fb1f76d24fd2800348b7b179beb06728a30e7142c13feb55174a99414a435d4200483b255773befcad22e1fbbb180b0cf52e0f7e9160df8cb0084614cd7df2cf

    • C:\Users\Admin\AppData\Local\Temp\wygurjb.z
      Filesize

      185KB

      MD5

      9474ef9cd3b0e642db9b2eb53949a6ad

      SHA1

      cf0d057435c123e0cebe651907365a6d56c3f328

      SHA256

      fe8c90ecfacda561029d39d7356811db9df051e0edecc01e845a5da6396d836c

      SHA512

      e9aed14f30fbfb904289f89f16243906381718a5fcddb67b4d9ba3b3713cb49495dafa6834290787d96b3b83e8c56a649132042916300b5bbb58429479dbffcc

    • C:\Users\Admin\AppData\Local\Temp\xtmqeadsglh.m
      Filesize

      5KB

      MD5

      fa296506bdb3a5f9aefa7144420a40a1

      SHA1

      010f9af53e8030a4586fa038c847432e5639dcbd

      SHA256

      bc8ab2be1593c8888b52515ad970855a40ed469138f34b5b4e17998f9682ba43

      SHA512

      441941fd51f1be98c37cb169f86d8c82f2ab17cdfacb7bcd728becf80974796e37720cffc71c9052cc36618d11401aa928c39e9e9e266d17e148044a6d5bb331

    • memory/444-145-0x0000000000000000-mapping.dmp
    • memory/2692-142-0x0000000008700000-0x0000000008807000-memory.dmp
      Filesize

      1.0MB

    • memory/2692-152-0x0000000003480000-0x0000000003548000-memory.dmp
      Filesize

      800KB

    • memory/2692-150-0x0000000003480000-0x0000000003548000-memory.dmp
      Filesize

      800KB

    • memory/2864-137-0x0000000000000000-mapping.dmp
    • memory/2864-141-0x0000000001740000-0x0000000001754000-memory.dmp
      Filesize

      80KB

    • memory/2864-144-0x0000000000400000-0x000000000042F000-memory.dmp
      Filesize

      188KB

    • memory/2864-140-0x0000000001830000-0x0000000001B7A000-memory.dmp
      Filesize

      3.3MB

    • memory/2864-139-0x0000000000400000-0x000000000042F000-memory.dmp
      Filesize

      188KB

    • memory/4756-143-0x0000000000000000-mapping.dmp
    • memory/4756-146-0x00000000009E0000-0x00000000009EB000-memory.dmp
      Filesize

      44KB

    • memory/4756-147-0x0000000000B90000-0x0000000000BBF000-memory.dmp
      Filesize

      188KB

    • memory/4756-148-0x0000000001680000-0x00000000019CA000-memory.dmp
      Filesize

      3.3MB

    • memory/4756-149-0x00000000013B0000-0x0000000001443000-memory.dmp
      Filesize

      588KB

    • memory/4756-151-0x0000000000B90000-0x0000000000BBF000-memory.dmp
      Filesize

      188KB

    • memory/4900-132-0x0000000000000000-mapping.dmp