Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/10/2022, 03:40

General

  • Target
    Request for Quotation.exe
  • Size 214KB
  • Sample221024-d77htsebf9
  • SHA256 0673e3ccaf8f4bc60b304e94d608fb1511d2ea7644c672563b6a81b5c3338c19
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • sm28

Decoy
  • encoter.shop

  • economicalhearing.com

  • composeexpertisefare.makeup

  • moffice.online

  • mayvar.store

  • klean4life.info

  • buytamaadoge.digital

  • digiwelldata.com

  • cngnaturalgas.com

  • scibrew.com

  • foxyellow.com

  • lceqtg.xyz

  • ufhrk.site

  • 35445.top

  • reply.express

  • ky9347.com

  • takfy.com

  • 77008.top

  • rentalsscreeningssetlement.com

  • incontrisessuali.space

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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 58 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:3004
    • C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
      "C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3044
      • C:\Users\Admin\AppData\Local\Temp\kcmachktc.exe
        "C:\Users\Admin\AppData\Local\Temp\kcmachktc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1512
        • C:\Users\Admin\AppData\Local\Temp\kcmachktc.exe
          "C:\Users\Admin\AppData\Local\Temp\kcmachktc.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3584
          • C:\Windows\SysWOW64\wlanext.exe
            "C:\Windows\SysWOW64\wlanext.exe"
            5⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1564
            • C:\Windows\SysWOW64\cmd.exe
              /c del "C:\Users\Admin\AppData\Local\Temp\kcmachktc.exe"
              6⤵
                PID:3680

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          kcmachktc.exe

          • Path C:\Users\Admin\AppData\Local\Temp\kcmachktc.exe
          • Size 5KB
          • SHA256 ad562bd8801320570ec3d3ecf49f6ece10f5fe3f42084ec68aaf1166416f81f2
          • MD5 SHA1 SHA512 SSDEEP

          kcmachktc.exe

          • Path C:\Users\Admin\AppData\Local\Temp\kcmachktc.exe
          • Size 5KB
          • SHA256 ad562bd8801320570ec3d3ecf49f6ece10f5fe3f42084ec68aaf1166416f81f2
          • MD5 SHA1 SHA512 SSDEEP

          kcmachktc.exe

          • Path C:\Users\Admin\AppData\Local\Temp\kcmachktc.exe
          • Size 5KB
          • SHA256 ad562bd8801320570ec3d3ecf49f6ece10f5fe3f42084ec68aaf1166416f81f2
          • MD5 SHA1 SHA512 SSDEEP

          oyjbvbinag.usk

          • Path C:\Users\Admin\AppData\Local\Temp\oyjbvbinag.usk
          • Size 5KB
          • SHA256 27dafa62113736ab19e77f66708898018189f85fe5dc720e20dbfa15a19f8311
          • MD5 SHA1 SHA512 SSDEEP

          tkswum.cxz

          • Path C:\Users\Admin\AppData\Local\Temp\tkswum.cxz
          • Size 185KB
          • SHA256 9c7a1e4a95fd842cd28952adf2d78318ce4d793f20ae071f22c26c6f31345ff2
          • MD5 SHA1 SHA512 SSDEEP

          memory/1564-148-0x0000000000200000-0x000000000022F000-memory.dmp

          memory/1564-172-0x00000000009C0000-0x0000000000A54000-memory.dmp

          memory/1564-171-0x0000000000200000-0x000000000022F000-memory.dmp

          memory/1564-150-0x0000000000B70000-0x0000000000EBA000-memory.dmp

          memory/1564-147-0x0000000000290000-0x00000000002A7000-memory.dmp

          memory/3004-196-0x0000000002710000-0x0000000002720000-memory.dmp

          memory/3004-200-0x0000000008210000-0x0000000008372000-memory.dmp

          memory/3004-272-0x0000000002900000-0x0000000002910000-memory.dmp

          memory/3004-271-0x0000000002900000-0x0000000002910000-memory.dmp

          memory/3004-270-0x0000000002900000-0x0000000002910000-memory.dmp

          memory/3004-269-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-268-0x0000000002850000-0x0000000002860000-memory.dmp

          memory/3004-151-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-152-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-153-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-154-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-155-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-156-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-157-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-158-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-159-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-160-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-161-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-162-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-163-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-164-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-165-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-166-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-167-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-168-0x00000000028F0000-0x0000000002900000-memory.dmp

          memory/3004-169-0x0000000002910000-0x0000000002920000-memory.dmp

          memory/3004-170-0x0000000002910000-0x0000000002920000-memory.dmp

          memory/3004-267-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-144-0x0000000007ED0000-0x0000000007FCA000-memory.dmp

          memory/3004-173-0x0000000008210000-0x0000000008372000-memory.dmp

          memory/3004-174-0x0000000002910000-0x0000000002920000-memory.dmp

          memory/3004-175-0x0000000002910000-0x0000000002920000-memory.dmp

          memory/3004-176-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-177-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-178-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-179-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-180-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-181-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-182-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-183-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-184-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-185-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-186-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-187-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-188-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-190-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-189-0x0000000002710000-0x0000000002720000-memory.dmp

          memory/3004-192-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-193-0x0000000002710000-0x0000000002720000-memory.dmp

          memory/3004-195-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-142-0x0000000007A70000-0x0000000007BEF000-memory.dmp

          memory/3004-197-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-198-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-194-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-191-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-199-0x0000000002710000-0x0000000002720000-memory.dmp

          memory/3004-250-0x0000000002230000-0x0000000002240000-memory.dmp

          memory/3004-217-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-202-0x0000000002710000-0x0000000002720000-memory.dmp

          memory/3004-203-0x0000000002710000-0x0000000002720000-memory.dmp

          memory/3004-204-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-205-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-206-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-207-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-208-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-209-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-210-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-211-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-212-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-213-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-214-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-215-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-216-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-201-0x0000000002710000-0x0000000002720000-memory.dmp

          memory/3004-218-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-219-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-220-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-221-0x0000000002900000-0x0000000002910000-memory.dmp

          memory/3004-222-0x0000000002900000-0x0000000002910000-memory.dmp

          memory/3004-223-0x0000000002900000-0x0000000002910000-memory.dmp

          memory/3004-224-0x0000000002900000-0x0000000002910000-memory.dmp

          memory/3004-225-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-226-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-227-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-228-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-231-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-230-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-229-0x0000000002230000-0x0000000002240000-memory.dmp

          memory/3004-232-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-233-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-234-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-235-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-236-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-237-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-238-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-239-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-240-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-241-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-242-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-243-0x0000000002860000-0x0000000002870000-memory.dmp

          memory/3004-244-0x0000000002230000-0x0000000002240000-memory.dmp

          memory/3004-245-0x0000000002230000-0x0000000002240000-memory.dmp

          memory/3004-246-0x0000000002230000-0x0000000002240000-memory.dmp

          memory/3004-247-0x0000000002230000-0x0000000002240000-memory.dmp

          memory/3004-248-0x0000000002230000-0x0000000002240000-memory.dmp

          memory/3004-249-0x0000000002230000-0x0000000002240000-memory.dmp

          memory/3584-143-0x00000000027D0000-0x00000000027E5000-memory.dmp

          memory/3584-139-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/3584-145-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/3584-140-0x00000000009D0000-0x0000000000D1A000-memory.dmp

          memory/3584-141-0x0000000000D40000-0x0000000000D55000-memory.dmp