Analysis

  • max time kernel
    295s
  • max time network
    300s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-09-2024 12:47

General

  • Target

    Signed Contract.exe

  • Size

    764KB

  • MD5

    c29c35fdd0cb6fb2a67ebe5e66d031bf

  • SHA1

    8069a08c89042bf1bff896e9d8a68f05db5af316

  • SHA256

    7d99c8ec073617681fc7dca3714bce08da1e6a9920aa39b57af734238d5d685f

  • SHA512

    f6dd09aae40a4aa6291d0d384f5b5d4fe94770df93585b235fed994f2dbbeb214550b0a3c55bb479f4c5b316520748d2ccec01b1b85e965fb0c51948d7a229b1

  • SSDEEP

    12288:v6Wq4aaE6KwyF5L0Y2D1PqLXkK+rLst81zQw+h5GATMnNTXXe53V:tthEVaPqL059QhtTMNTXel

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c89p

Decoy

ftersaleb.top

dcustomdesgins.net

ostbet2024.live

rhgtrdjdjytkyhretrdjfytd.buzz

atauniversity.tech

idoctor365.net

x-design-courses-29670.bond

ellowold-pc.top

ransportationmmsytpro.top

areerfest.xyz

artiresbah-in.today

ijie.pro

torehousestudio.info

69-11-luxury-watches.shop

earing-tests-44243.bond

hits.shop

hzl9.bond

lood-test-jp-1.bond

livialiving.online

usymomsmakingmoney.online

Signatures

  • Formbook

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

  • Formbook payload 3 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3532
    • C:\Users\Admin\AppData\Local\Temp\Signed Contract.exe
      "C:\Users\Admin\AppData\Local\Temp\Signed Contract.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2600
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\Signed Contract.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1892
    • C:\Windows\SysWOW64\wlanext.exe
      "C:\Windows\SysWOW64\wlanext.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:116
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\svchost.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/116-12-0x00000000008E0000-0x00000000008F7000-memory.dmp

    Filesize

    92KB

  • memory/116-15-0x0000000000530000-0x000000000055F000-memory.dmp

    Filesize

    188KB

  • memory/116-14-0x00000000008E0000-0x00000000008F7000-memory.dmp

    Filesize

    92KB

  • memory/1892-9-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1892-7-0x0000000001400000-0x000000000174A000-memory.dmp

    Filesize

    3.3MB

  • memory/1892-10-0x0000000001160000-0x0000000001174000-memory.dmp

    Filesize

    80KB

  • memory/1892-4-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2600-0-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2600-6-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2600-3-0x00000000042F0000-0x00000000046F0000-memory.dmp

    Filesize

    4.0MB

  • memory/3532-11-0x0000000009360000-0x00000000094EE000-memory.dmp

    Filesize

    1.6MB

  • memory/3532-16-0x0000000009360000-0x00000000094EE000-memory.dmp

    Filesize

    1.6MB

  • memory/3532-20-0x0000000008BD0000-0x0000000008D61000-memory.dmp

    Filesize

    1.6MB

  • memory/3532-21-0x0000000008BD0000-0x0000000008D61000-memory.dmp

    Filesize

    1.6MB

  • memory/3532-23-0x0000000008BD0000-0x0000000008D61000-memory.dmp

    Filesize

    1.6MB