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Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/01/2025, 18:17

General

  • Target

    aaaaaaaaaaaaaaaaaa.exe

  • Size

    848KB

  • MD5

    d4dea766d9cd1fdb9545c08969811132

  • SHA1

    c02a941d7ab478095ce042262d5cac4be864f9ed

  • SHA256

    17dc6ae2b8a4a5e958a09b19a771e102ec2ebbad438da6123705344eedcadf68

  • SHA512

    708c12cf2110e604fedbfb7c5584edadcfd9ff29a161cd48dff0232921cdccf099c9eab8d59c66f45865d59c1759f6adb187747d4b743cb33bde4dcbf5e39ac6

  • SSDEEP

    12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLEZFoyB1wCdQzdMgqLjSWx:ffmMv6Ckr7Mny5QLqBUCdvXx

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cl21

Decoy

0001.shop

earch-parttimejobs.today

are888.top

akanhaunthipped.shop

othing-heyu.xyz

cadvirsor.net

nclanalae.shop

lectric-cars-mexico.today

oxj-question.xyz

ersonalloanoffers.today

ersonalloans-fo54-fo37.click

verybody-ewfx.xyz

ercuremontauban.media

azilimdunyam.net

airs-clinicato.today

wiftsscend.click

ertainly-jbws.xyz

8xeng.app

damekadmitageable.cfd

ollapsedec.shop

Signatures

  • Formbook

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

  • Formbook family
  • Formbook payload 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Users\Admin\AppData\Local\Temp\aaaaaaaaaaaaaaaaaa.exe
      "C:\Users\Admin\AppData\Local\Temp\aaaaaaaaaaaaaaaaaa.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:2516
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\aaaaaaaaaaaaaaaaaa.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2940
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:348
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 348 -s 268
        3⤵
        • Program crash
        PID:2348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/348-13-0x0000000000A50000-0x0000000000A64000-memory.dmp

    Filesize

    80KB

  • memory/348-14-0x0000000000A50000-0x0000000000A64000-memory.dmp

    Filesize

    80KB

  • memory/348-16-0x0000000000A50000-0x0000000000A64000-memory.dmp

    Filesize

    80KB

  • memory/1192-12-0x0000000004EC0000-0x0000000004F7E000-memory.dmp

    Filesize

    760KB

  • memory/1192-11-0x00000000031B0000-0x00000000032B0000-memory.dmp

    Filesize

    1024KB

  • memory/1192-19-0x0000000004EC0000-0x0000000004F7E000-memory.dmp

    Filesize

    760KB

  • memory/2516-5-0x0000000000230000-0x0000000000234000-memory.dmp

    Filesize

    16KB

  • memory/2940-6-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2940-7-0x0000000000840000-0x0000000000B43000-memory.dmp

    Filesize

    3.0MB

  • memory/2940-10-0x0000000000180000-0x0000000000194000-memory.dmp

    Filesize

    80KB

  • memory/2940-9-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB