Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08-05-2024 07:35

General

  • Target

    LS24SDE.exe

  • Size

    634KB

  • MD5

    70625bcdbd35c6873bfef64197312647

  • SHA1

    64864eed1451eae8d076458fb6bc005137d1e7c4

  • SHA256

    0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e

  • SHA512

    f2f709d3586c95daa1cf50715974fb0f55252142edcba96ee069b2e9ad10feb7ee83d56a68a0e7c0cc4792aacd944b4fe10de5b8459b23d80ce4f6ea2172725f

  • SSDEEP

    12288:biETpbMlZRJIC/6GEmg3NQOqRK5sK3LIsbqZBma+LTpkh8WINLKtlcPK5S4T:HbmJIC/3DRTK3wmpmtQK5p

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

jn17

Decoy

hynasty.com

africacementreview.com

5280micropantry.com

qcyu2.us

jl777-web.com

hcwsports.com

update-number-au.com

ymymvip.top

postds.buzz

dogwifnobrim.com

usapubpong.com

shopscoopido.com

medical-equipment.company

onyagu.com

tldrparent.com

jvpeople.com

seangalbraithphotography.com

ptt-gov.art

mutcosmeticsec.com

metameme.online

Signatures

  • Formbook

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

  • Formbook payload 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 4 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.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Users\Admin\AppData\Local\Temp\LS24SDE.exe
      "C:\Users\Admin\AppData\Local\Temp\LS24SDE.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:360
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mIsRPVu.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1636
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mIsRPVu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp46C0.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:2552
      • C:\Users\Admin\AppData\Local\Temp\LS24SDE.exe
        "C:\Users\Admin\AppData\Local\Temp\LS24SDE.exe"
        3⤵
          PID:2580
        • C:\Users\Admin\AppData\Local\Temp\LS24SDE.exe
          "C:\Users\Admin\AppData\Local\Temp\LS24SDE.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:2796
      • C:\Windows\SysWOW64\NETSTAT.EXE
        "C:\Windows\SysWOW64\NETSTAT.EXE"
        2⤵
        • Suspicious use of SetThreadContext
        • Gathers network information
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2440
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\LS24SDE.exe"
          3⤵
          • Deletes itself
          PID:2544

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp46C0.tmp

      Filesize

      1KB

      MD5

      d776dea239552a86c07ad817ec58ff1c

      SHA1

      cf6df5153866408bd0fa1cd5a0713ccfe275eece

      SHA256

      e3e2b3dbe46478a2cb9f444eec26c877b8b0db9819765222c7618f5397820926

      SHA512

      cde1002007b77ef809b361cd6e67c3f055eaec08c8145f734d5311896aaf3bf6c37757c1f8b35851624c6cc664fc51d3a6a7cb59d9d3b122ffd64fa586aa7f7b

    • memory/360-20-0x0000000074640000-0x0000000074D2E000-memory.dmp

      Filesize

      6.9MB

    • memory/360-0-0x000000007464E000-0x000000007464F000-memory.dmp

      Filesize

      4KB

    • memory/360-3-0x00000000005A0000-0x00000000005BE000-memory.dmp

      Filesize

      120KB

    • memory/360-4-0x0000000000620000-0x0000000000630000-memory.dmp

      Filesize

      64KB

    • memory/360-6-0x00000000044B0000-0x0000000004526000-memory.dmp

      Filesize

      472KB

    • memory/360-2-0x0000000074640000-0x0000000074D2E000-memory.dmp

      Filesize

      6.9MB

    • memory/360-1-0x0000000000240000-0x00000000002E4000-memory.dmp

      Filesize

      656KB

    • memory/360-5-0x0000000000630000-0x0000000000646000-memory.dmp

      Filesize

      88KB

    • memory/1204-23-0x00000000064F0000-0x00000000065DE000-memory.dmp

      Filesize

      952KB

    • memory/2440-25-0x0000000000080000-0x00000000000AF000-memory.dmp

      Filesize

      188KB

    • memory/2440-24-0x0000000000E40000-0x0000000000E49000-memory.dmp

      Filesize

      36KB

    • memory/2796-16-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2796-22-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2796-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2796-19-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2796-14-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB