Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/10/2022, 13:13

General

  • Target
    Shipment Document BLINV and packing list.jpg.exe
  • Size 367KB
  • Sample221027-qf33jscceq
  • SHA256 b29f337a32ff665d1a88419f2ca2ecede9986bf51027a125ff85fea1e54cafb5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • hn73

Decoy
  • medusaams.com

  • ekyas.com

  • deadandcompanyindianapolis.net

  • winnersclub.live

  • gozero.buzz

  • sdmfeh.xyz

  • rikfiri.com

  • happyworld.tech

  • oculusquest2linkcable.com

  • cksexdoll.top

  • aitechconsulting.net

  • prstampsevery.shop

  • kioskdz.com

  • fogg.productions

  • 7gu7x5mc.com

  • thefactoryco.com

  • dvsmanpowerenterprises.com

  • dreamwins5.com

  • bgs-abogados.com

  • arthursouza.online

Signatures

  • Formbook

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

  • Formbook payload 3 IoCs
  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 1 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 32 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:376
    • C:\Users\Admin\AppData\Local\Temp\Shipment Document BLINV and packing list.jpg.exe
      "C:\Users\Admin\AppData\Local\Temp\Shipment Document BLINV and packing list.jpg.exe"
      2⤵
      • Checks QEMU agent file
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Users\Admin\AppData\Local\Temp\Shipment Document BLINV and packing list.jpg.exe
        "C:\Users\Admin\AppData\Local\Temp\Shipment Document BLINV and packing list.jpg.exe"
        3⤵
        • Checks QEMU agent file
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3776
    • C:\Windows\SysWOW64\ipconfig.exe
      "C:\Windows\SysWOW64\ipconfig.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3288
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Shipment Document BLINV and packing list.jpg.exe"
        3⤵
          PID:2900

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          System.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nslE3CE.tmp\System.dll
          • Size 11KB
          • SHA256 ac9dfe3b35ea4b8932536ed7406c29a432976b685cc5322f94ef93df920fede7
          • MD5 SHA1 SHA512 SSDEEP

          memory/376-160-0x00000000037D0000-0x000000000389B000-memory.dmp

          memory/376-148-0x0000000008C70000-0x0000000008E00000-memory.dmp

          memory/376-159-0x00000000037D0000-0x000000000389B000-memory.dmp

          memory/3064-133-0x00000000031D0000-0x00000000032D1000-memory.dmp

          memory/3064-134-0x00000000031D0000-0x00000000032D1000-memory.dmp

          memory/3064-135-0x00007FF851C70000-0x00007FF851E65000-memory.dmp

          memory/3064-136-0x0000000077E40000-0x0000000077FE3000-memory.dmp

          memory/3064-139-0x0000000077E40000-0x0000000077FE3000-memory.dmp

          memory/3064-147-0x00000000031D0000-0x00000000032D1000-memory.dmp

          memory/3288-158-0x0000000000690000-0x00000000006BF000-memory.dmp

          memory/3288-154-0x0000000000390000-0x000000000039B000-memory.dmp

          memory/3288-155-0x0000000000D80000-0x00000000010CA000-memory.dmp

          memory/3288-156-0x0000000000690000-0x00000000006BF000-memory.dmp

          memory/3288-157-0x0000000000C60000-0x0000000000CF3000-memory.dmp

          memory/3776-138-0x0000000000400000-0x0000000001654000-memory.dmp

          memory/3776-150-0x00007FF851C70000-0x00007FF851E65000-memory.dmp

          memory/3776-151-0x0000000077E40000-0x0000000077FE3000-memory.dmp

          memory/3776-152-0x0000000001660000-0x0000000001760000-memory.dmp

          memory/3776-146-0x000000001D710000-0x000000001D724000-memory.dmp

          memory/3776-145-0x0000000000401000-0x0000000001654000-memory.dmp

          memory/3776-144-0x000000001D8A0000-0x000000001DBEA000-memory.dmp

          memory/3776-143-0x0000000077E40000-0x0000000077FE3000-memory.dmp

          memory/3776-142-0x00007FF851C70000-0x00007FF851E65000-memory.dmp

          memory/3776-141-0x0000000001660000-0x0000000001760000-memory.dmp

          memory/3776-140-0x0000000001660000-0x0000000001760000-memory.dmp