Analysis

  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 06:44

General

  • Target
    863bf0dfa1169706f566c070a1e11256_JaffaCakes118.exe
  • Size 395KB
  • Sample240531-hhlbhsbb66
  • SHA256 a102b644fd134778f28e1105e4645e84ff4d05687351990de90ae27a89f0513b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • c232

Decoy
  • tangdourenfz.com

  • helpforkids.today

  • bioethanol-us.com

  • 0351zc.com

  • 3rdimultimedia.com

  • thecannibisconnection.net

  • mktoob.net

  • orchidinvestmentlimited.com

  • moccustoms.com

  • shopendora.com

  • rosariosandino.com

  • bien-vivre-tunisie.com

  • godofgreens.com

  • nhathuocphuongle.com

  • thefastsource.com

  • viagra2tadalafil.com

  • abarroteslacanasta.com

  • versabiosciences.com

  • nergiztarimhayvancilik.com

  • airpodsbayi.com

Signatures

  • Formbook

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

  • Formbook payload 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 49 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3560
    • C:\Users\Admin\AppData\Local\Temp\863bf0dfa1169706f566c070a1e11256_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\863bf0dfa1169706f566c070a1e11256_JaffaCakes118.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4408
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe SitulaCystocele,Hurley
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:4916
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1752
    • C:\Windows\SysWOW64\help.exe
      "C:\Windows\SysWOW64\help.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:3212
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\cmd.exe"
        3⤵
          PID:2280
        • C:\Windows\SysWOW64\cmd.exe
          /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
          3⤵
            PID:2252
          • C:\Program Files\Mozilla Firefox\Firefox.exe
            "C:\Program Files\Mozilla Firefox\Firefox.exe"
            3⤵
              PID:1812

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              DB1

              • Path C:\Users\Admin\AppData\Local\Temp\DB1
              • Size 46KB
              • SHA256 776ecf8411b1b0167bea724409ac9d3f8479973df223ecc6e60e3302b3b2b8ea
              • MD5 SHA1 SHA512 SSDEEP

              Prosody

              • Path C:\Users\Admin\AppData\Local\Temp\Prosody
              • Size 231KB
              • SHA256 27c010483a5665042dd6c20c69f9fdc4bbe9f7bf7fcc516f51cc8318a8c3b844
              • MD5 SHA1 SHA512 SSDEEP

              SitulaCystocele.DLL

              • Path C:\Users\Admin\AppData\Local\Temp\SitulaCystocele.DLL
              • Size 50KB
              • SHA256 18e86106e60613594527c85fe6c97287fc8c3715181a62cb2b4d2258c210b6c8
              • MD5 SHA1 SHA512 SSDEEP

              74-logim.jpeg

              • Path C:\Users\Admin\AppData\Roaming\74-76ATE\74-logim.jpeg
              • Size 84KB
              • SHA256 ebace1114d141369036c1748a460288135178bab93ac580aacf9dde66689a4a5
              • MD5 SHA1 SHA512 SSDEEP

              74-logrf.ini

              • Path C:\Users\Admin\AppData\Roaming\74-76ATE\74-logrf.ini
              • Size 40B
              • SHA256 1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361
              • MD5 SHA1 SHA512

              74-logrg.ini

              • Path C:\Users\Admin\AppData\Roaming\74-76ATE\74-logrg.ini
              • Size 38B
              • SHA256 75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56
              • MD5 SHA1 SHA512

              74-logri.ini

              • Path C:\Users\Admin\AppData\Roaming\74-76ATE\74-logri.ini
              • Size 40B
              • SHA256 eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae
              • MD5 SHA1 SHA512

              74-logrv.ini

              • Path C:\Users\Admin\AppData\Roaming\74-76ATE\74-logrv.ini
              • Size 872B
              • SHA256 ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb
              • MD5 SHA1 SHA512

              memory/1752-30-0x0000000000400000-0x000000000042E000-memory.dmp

              memory/1752-27-0x0000000000400000-0x000000000042E000-memory.dmp

              memory/1752-24-0x0000000000F20000-0x0000000000F26000-memory.dmp

              memory/3212-29-0x0000000000680000-0x0000000000687000-memory.dmp

              memory/3560-33-0x0000000002E70000-0x0000000002F18000-memory.dmp

              memory/4916-25-0x00000000744F0000-0x00000000745B8000-memory.dmp

              memory/4916-23-0x0000000076790000-0x00000000767F3000-memory.dmp

              memory/4916-22-0x00000000744F0000-0x00000000745B8000-memory.dmp

              memory/4916-21-0x0000000000AB0000-0x0000000000AB2000-memory.dmp