Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-08-2024 14:19

General

  • Target

    MalwareBazaar.exe

  • Size

    633KB

  • MD5

    04aad3880cdd785ac57270d136b4ae5d

  • SHA1

    889ee3a18eb2e035668acc707cff787fea501734

  • SHA256

    b1f7d45bb000c3201af5c92b009519206fd4bd83b568f0d360b8603520dc5334

  • SHA512

    1e0b7f42b820a6cbfabfe9e0e7aa63787e7286bf94308df47dc4f049b424347507b4744d89d0d1cb5ce5f60fc59ea1661f597e3b89290786cc30c9fb1b2dd5a4

  • SSDEEP

    12288:WUFzK9EHj+5YySzHAOZiUUt70/5FUNcLz5LqR3CF/m4fkn:ZzK9EHjuYySzgOBSQLUNcpelCQckn

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ps15

Decoy

57797.asia

jhpwt.net

basketballdrillsforkids.com

zgzf6.rest

casinomaxnodepositbonus.icu

uptocryptonews.com

gomenasorry.com

fortanix.space

stripscity.xyz

genbotdiy.xyz

mayson-wedding.com

neb-hub.net

seancollinsmusic.com

migraine-treatment-57211.bond

prosperawoman.info

tradefairleads.tech

xn--yeminlitercme-6ob.com

xwaveevent.com

fashiontrendshub.xyz

window-replacement-80823.bond

Signatures

  • Formbook

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

  • Formbook payload 4 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 56 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3552
    • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
      "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1168
      • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
        "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:880
    • C:\Windows\SysWOW64\ipconfig.exe
      "C:\Windows\SysWOW64\ipconfig.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3144
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5004
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3980,i,3239535018877284530,3457823197501312703,262144 --variations-seed-version --mojo-platform-channel-handle=4420 /prefetch:8
    1⤵
      PID:3424

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/880-11-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/880-21-0x00000000018D0000-0x00000000018E4000-memory.dmp

      Filesize

      80KB

    • memory/880-20-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/880-16-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/880-17-0x00000000013C0000-0x00000000013D4000-memory.dmp

      Filesize

      80KB

    • memory/880-15-0x0000000001400000-0x000000000174A000-memory.dmp

      Filesize

      3.3MB

    • memory/1168-7-0x00000000067C0000-0x0000000006846000-memory.dmp

      Filesize

      536KB

    • memory/1168-2-0x0000000005A70000-0x0000000006014000-memory.dmp

      Filesize

      5.6MB

    • memory/1168-8-0x0000000006630000-0x000000000663E000-memory.dmp

      Filesize

      56KB

    • memory/1168-9-0x0000000006660000-0x000000000666E000-memory.dmp

      Filesize

      56KB

    • memory/1168-10-0x0000000006C30000-0x0000000006CA6000-memory.dmp

      Filesize

      472KB

    • memory/1168-6-0x00000000066B0000-0x000000000674C000-memory.dmp

      Filesize

      624KB

    • memory/1168-13-0x00000000745C0000-0x0000000074D70000-memory.dmp

      Filesize

      7.7MB

    • memory/1168-5-0x0000000005A30000-0x0000000005A3A000-memory.dmp

      Filesize

      40KB

    • memory/1168-4-0x00000000745C0000-0x0000000074D70000-memory.dmp

      Filesize

      7.7MB

    • memory/1168-3-0x00000000053A0000-0x0000000005432000-memory.dmp

      Filesize

      584KB

    • memory/1168-1-0x0000000000910000-0x00000000009B4000-memory.dmp

      Filesize

      656KB

    • memory/1168-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

      Filesize

      4KB

    • memory/3144-23-0x00000000005D0000-0x00000000005DB000-memory.dmp

      Filesize

      44KB

    • memory/3144-24-0x00000000005D0000-0x00000000005DB000-memory.dmp

      Filesize

      44KB

    • memory/3144-25-0x0000000000C00000-0x0000000000C2F000-memory.dmp

      Filesize

      188KB

    • memory/3552-18-0x0000000008210000-0x000000000832A000-memory.dmp

      Filesize

      1.1MB

    • memory/3552-22-0x0000000008B70000-0x0000000008D01000-memory.dmp

      Filesize

      1.6MB

    • memory/3552-27-0x0000000008210000-0x000000000832A000-memory.dmp

      Filesize

      1.1MB

    • memory/3552-28-0x0000000008B70000-0x0000000008D01000-memory.dmp

      Filesize

      1.6MB

    • memory/3552-30-0x0000000008330000-0x0000000008484000-memory.dmp

      Filesize

      1.3MB

    • memory/3552-32-0x0000000008330000-0x0000000008484000-memory.dmp

      Filesize

      1.3MB

    • memory/3552-35-0x0000000008330000-0x0000000008484000-memory.dmp

      Filesize

      1.3MB