Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2024 02:44

General

  • Target

    8a91c4bf99a674909e6993d52e061547517056d36f9b8e828a9148eb412ffa73.exe

  • Size

    1.1MB

  • MD5

    1b597c240cd23fda73024ed811e4a906

  • SHA1

    f773bdd6e924b65284d8a9ef67f61615a9764a8e

  • SHA256

    8a91c4bf99a674909e6993d52e061547517056d36f9b8e828a9148eb412ffa73

  • SHA512

    d1f00b959befd0c8f91587311d715508c45fb279e661f4ffacb5e3e5f0f19e4151f6baa35ff49fc5d7afe5bb0b09d96346da5d7b0324ee85edb4885ce07f07dc

  • SSDEEP

    24576:Etb20pkaCqT5TBWgNQ7aXe1SQkPXr8mzcLk6A:tVg5tQ7aXe1bkPXAmzcY5

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

f29s

Decoy

rostnixon.net

exxxwordz.xyz

ndradesanches.shop

eneral-vceef.xyz

isanbowl.top

aresrasherregard.cfd

dzas-yeah.xyz

0083.miami

hongziyin01.top

jdhfmq.live

alembottling.net

vtyo-phone.xyz

kaqb-decade.xyz

odel-lsmfz.xyz

aradise.tech

uan123-rtp43.xyz

pusptracking.xyz

uqhi42.xyz

mihy-professor.xyz

mnz-your.xyz

Signatures

  • Formbook

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

  • Formbook family
  • Formbook payload 3 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 3 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3504
    • C:\Users\Admin\AppData\Local\Temp\8a91c4bf99a674909e6993d52e061547517056d36f9b8e828a9148eb412ffa73.exe
      "C:\Users\Admin\AppData\Local\Temp\8a91c4bf99a674909e6993d52e061547517056d36f9b8e828a9148eb412ffa73.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2308
      • C:\Users\Admin\AppData\Local\Thebesian\Dunlop.exe
        "C:\Users\Admin\AppData\Local\Temp\8a91c4bf99a674909e6993d52e061547517056d36f9b8e828a9148eb412ffa73.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2020
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Users\Admin\AppData\Local\Temp\8a91c4bf99a674909e6993d52e061547517056d36f9b8e828a9148eb412ffa73.exe"
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1516
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 720
          4⤵
          • Program crash
          PID:2004
    • C:\Windows\SysWOW64\systray.exe
      "C:\Windows\SysWOW64\systray.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:4560
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\svchost.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3376
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2020 -ip 2020
    1⤵
      PID:3320

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Thebesian\Dunlop.exe

      Filesize

      1.1MB

      MD5

      1b597c240cd23fda73024ed811e4a906

      SHA1

      f773bdd6e924b65284d8a9ef67f61615a9764a8e

      SHA256

      8a91c4bf99a674909e6993d52e061547517056d36f9b8e828a9148eb412ffa73

      SHA512

      d1f00b959befd0c8f91587311d715508c45fb279e661f4ffacb5e3e5f0f19e4151f6baa35ff49fc5d7afe5bb0b09d96346da5d7b0324ee85edb4885ce07f07dc

    • memory/1516-20-0x0000000000270000-0x000000000029F000-memory.dmp

      Filesize

      188KB

    • memory/1516-23-0x0000000000E00000-0x000000000114A000-memory.dmp

      Filesize

      3.3MB

    • memory/1516-25-0x0000000000BB0000-0x0000000000BC4000-memory.dmp

      Filesize

      80KB

    • memory/1516-24-0x0000000000270000-0x000000000029F000-memory.dmp

      Filesize

      188KB

    • memory/2020-18-0x00000000010B0000-0x00000000014B0000-memory.dmp

      Filesize

      4.0MB

    • memory/2308-6-0x0000000001210000-0x0000000001610000-memory.dmp

      Filesize

      4.0MB

    • memory/3504-26-0x0000000009020000-0x0000000009140000-memory.dmp

      Filesize

      1.1MB

    • memory/3504-30-0x0000000009020000-0x0000000009140000-memory.dmp

      Filesize

      1.1MB

    • memory/3504-33-0x0000000008610000-0x00000000086B2000-memory.dmp

      Filesize

      648KB

    • memory/3504-35-0x0000000008610000-0x00000000086B2000-memory.dmp

      Filesize

      648KB

    • memory/3504-36-0x0000000008610000-0x00000000086B2000-memory.dmp

      Filesize

      648KB

    • memory/4560-28-0x0000000000360000-0x0000000000366000-memory.dmp

      Filesize

      24KB

    • memory/4560-27-0x0000000000360000-0x0000000000366000-memory.dmp

      Filesize

      24KB

    • memory/4560-29-0x0000000000BC0000-0x0000000000BEF000-memory.dmp

      Filesize

      188KB