Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-05-2024 00:38

General

  • Target

    b79369c7e79099736c882b54a54898237dc1506acef308849e8cfa88277de46d.exe

  • Size

    581KB

  • MD5

    8ebd77032131fa4c9a524b48f241f6ce

  • SHA1

    0cc05beba021427f9a8b6d3b1395bf820355a820

  • SHA256

    b79369c7e79099736c882b54a54898237dc1506acef308849e8cfa88277de46d

  • SHA512

    a3655e41379df08f23a3242bec23464d261e562785d298b2372275c9040d137209ca9cb6a7e863a796aae02f502456e800a701d0d02de5fcae71c4399a7c832f

  • SSDEEP

    6144:TBMEPlABQ0OaqtszpR8V2hYHgORzw+A9PVsZWeDkDu+I2h7whAzO0KZfNrH/:T9Aq0OaqO/8VTXsNvkRNBXZfNL/

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

sk

Decoy

ordersakeonline.net

denisekeelebedford.com

vincentbibuld.com

theswordslinger.com

360sowo.com

birimtihanmevsimi.com

loatta.com

vcmwp.info

arthribon.com

penwortham.church

18666964931.com

publibcn.com

purplekisscouture.com

siquieroceremonias.com

4111zzzzz.com

mvpsportstherapy.info

3rdlegion.com

draguleatherworks.com

kp-sonia.com

mysciencegarden.education

Signatures

  • Formbook

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

  • Detects executables packed with Cassandra/CyaX 2 IoCs
  • Detects executables packed with ConfuserEx Custom; outside of GIT 1 IoCs
  • Formbook payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b79369c7e79099736c882b54a54898237dc1506acef308849e8cfa88277de46d.exe
    "C:\Users\Admin\AppData\Local\Temp\b79369c7e79099736c882b54a54898237dc1506acef308849e8cfa88277de46d.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IiTdunToFK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD99D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2520
    • C:\Users\Admin\AppData\Local\Temp\b79369c7e79099736c882b54a54898237dc1506acef308849e8cfa88277de46d.exe
      "C:\Users\Admin\AppData\Local\Temp\b79369c7e79099736c882b54a54898237dc1506acef308849e8cfa88277de46d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD99D.tmp

    Filesize

    1KB

    MD5

    d1fd5e12f227eb93901f97339ee5c7ad

    SHA1

    8172342fde605f8d3d31cf1113227f1a942df3d9

    SHA256

    f8456f237ca2428c6b1976ffc7a71df83ed0f9826643a3b67659cf1f8f7087d9

    SHA512

    7d3fd324abc3a46c89082dcbfc62dd1bcc21dffb5f966d4ec423d603d1053c231efdc68f5290790494fe61910376c167337e9e4805d3f472803e929796f6a755

  • memory/2132-18-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2132-20-0x0000000000910000-0x0000000000C13000-memory.dmp

    Filesize

    3.0MB

  • memory/2132-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2132-14-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2132-13-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2220-3-0x0000000000960000-0x00000000009A4000-memory.dmp

    Filesize

    272KB

  • memory/2220-6-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-12-0x0000000000350000-0x000000000035A000-memory.dmp

    Filesize

    40KB

  • memory/2220-5-0x000000007406E000-0x000000007406F000-memory.dmp

    Filesize

    4KB

  • memory/2220-4-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-0-0x000000007406E000-0x000000007406F000-memory.dmp

    Filesize

    4KB

  • memory/2220-2-0x0000000000880000-0x000000000088A000-memory.dmp

    Filesize

    40KB

  • memory/2220-19-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-1-0x0000000000FD0000-0x0000000001068000-memory.dmp

    Filesize

    608KB