Analysis

  • max time kernel
    147s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2024, 11:35

General

  • Target

    Invoice No.24DF-55553 [EFL].exe

  • Size

    1.1MB

  • MD5

    8caad42143f533bde62f170aa19e30c9

  • SHA1

    79ba95ce19503756f834c4af477a81723ccedf4a

  • SHA256

    bafacac035e304436d77c218e213c0e6a96414e634abca26f5b2c5dd1c401da3

  • SHA512

    fd08d305fa07ddb7f0ef051d10c4c64e6d82692e1a7a3e7239ddf604f2769991d940e7964eacbb8546ecc849a80a7c5df54ae317a6d438361e138ac7c87073db

  • SSDEEP

    24576:NfmMv6Ckr7Mny5QNJBaeOUpnbyM41MdVzwk:N3v+7/5QNJWsGtMb

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

e62s

Decoy

ellinksa.shop

uckyspinph.xyz

owdark.net

arriage-therapy-72241.bond

w7ijko4rv4p97b.top

heirbuzzwords.buzz

aspart.shop

ctivemail5-kagoya-com.info

shacertification9.shop

zitcd65k3.buzz

llkosoi.info

ru8.info

rhgtrdjdjykyetrdjftd.buzz

yschoollist.kiwi

oftfolio.online

rograma-de-almacen-2.online

oudoarms.top

mwquas.xyz

orjagaucha.website

nlinechat-mh.online

Signatures

  • Formbook

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

  • Formbook payload 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • 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.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3468
    • C:\Users\Admin\AppData\Local\Temp\Invoice No.24DF-55553 [EFL].exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice No.24DF-55553 [EFL].exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:800
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\Invoice No.24DF-55553 [EFL].exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3184
    • C:\Windows\SysWOW64\msdt.exe
      "C:\Windows\SysWOW64\msdt.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:2116
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\svchost.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/800-2-0x00007FF9FA810000-0x00007FF9FAA05000-memory.dmp

    Filesize

    2.0MB

  • memory/2116-7-0x00000000007E0000-0x0000000000837000-memory.dmp

    Filesize

    348KB

  • memory/2116-8-0x00000000007E0000-0x0000000000837000-memory.dmp

    Filesize

    348KB

  • memory/2116-9-0x0000000000590000-0x00000000005BF000-memory.dmp

    Filesize

    188KB

  • memory/3184-3-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/3184-4-0x00007FF9FA810000-0x00007FF9FAA05000-memory.dmp

    Filesize

    2.0MB

  • memory/3468-6-0x0000000007BA0000-0x0000000007C92000-memory.dmp

    Filesize

    968KB

  • memory/3468-10-0x0000000007BA0000-0x0000000007C92000-memory.dmp

    Filesize

    968KB

  • memory/3468-14-0x00000000083B0000-0x00000000084E3000-memory.dmp

    Filesize

    1.2MB

  • memory/3468-15-0x00000000083B0000-0x00000000084E3000-memory.dmp

    Filesize

    1.2MB

  • memory/3468-17-0x00000000083B0000-0x00000000084E3000-memory.dmp

    Filesize

    1.2MB