Analysis

  • max time kernel
    146s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2024, 09:55

General

  • Target

    INV#349265.exe

  • Size

    784KB

  • MD5

    d89cd1e76600ab0ce3daa93016995b2a

  • SHA1

    710caa0136a1d5251c23878ddb40f4c6b8c45f9d

  • SHA256

    12af745dd8353b25857dc4bd3d3282f21c960ab55d3dece7e62d7a10a9aae810

  • SHA512

    153cdc07ac45b683bb9e93d053aac3e4e8d3101b07a48c7d81585368c2b2aa3a54e3949a4cf05fe09a9a18d32e385b6ec4746071a571d2e464f862342e0c04b0

  • SSDEEP

    12288:dTvgGThLLQsb16RwqKaKeN3Hd4hsubCcopOQBIyrtBNK/KoohkR:Vvg2LcvRwqKaKoX+hlGp/Blrtv+KP8

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t94g

Decoy

32188.top

mergencyroofrepair656460.online

jkahu.fun

ur4.autos

r0lba4cl0qkaws8.bond

eiliaowang.top

urjav.xyz

kidaman15.click

old-removal-p350.today

levatethismedia.info

h33323s40.top

dormy.click

5406.club

earlofwisdombook.pro

6980.app

ellwood999.biz

otdates.lol

164v.shop

thereal.app

takeget.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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 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 10 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3512
    • C:\Users\Admin\AppData\Local\Temp\INV#349265.exe
      "C:\Users\Admin\AppData\Local\Temp\INV#349265.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2904
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\INV#349265.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5092
      • C:\Users\Admin\AppData\Local\Temp\INV#349265.exe
        "C:\Users\Admin\AppData\Local\Temp\INV#349265.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:4820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q3yxzbov.npy.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2904-10-0x000000000B2A0000-0x000000000B33C000-memory.dmp

    Filesize

    624KB

  • memory/2904-15-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-3-0x00000000052E0000-0x0000000005372000-memory.dmp

    Filesize

    584KB

  • memory/2904-4-0x00000000052C0000-0x00000000052CA000-memory.dmp

    Filesize

    40KB

  • memory/2904-5-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-6-0x00000000069D0000-0x00000000069EE000-memory.dmp

    Filesize

    120KB

  • memory/2904-7-0x000000007446E000-0x000000007446F000-memory.dmp

    Filesize

    4KB

  • memory/2904-8-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-9-0x00000000013D0000-0x0000000001446000-memory.dmp

    Filesize

    472KB

  • memory/2904-1-0x0000000000940000-0x0000000000A06000-memory.dmp

    Filesize

    792KB

  • memory/2904-2-0x0000000005890000-0x0000000005E34000-memory.dmp

    Filesize

    5.6MB

  • memory/2904-0-0x000000007446E000-0x000000007446F000-memory.dmp

    Filesize

    4KB

  • memory/3512-18-0x0000000002780000-0x000000000283F000-memory.dmp

    Filesize

    764KB

  • memory/3512-72-0x0000000002930000-0x0000000002A35000-memory.dmp

    Filesize

    1.0MB

  • memory/3512-71-0x0000000002930000-0x0000000002A35000-memory.dmp

    Filesize

    1.0MB

  • memory/3512-68-0x0000000002780000-0x000000000283F000-memory.dmp

    Filesize

    764KB

  • memory/4820-11-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/4820-17-0x0000000000C10000-0x0000000000C25000-memory.dmp

    Filesize

    84KB

  • memory/4820-16-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/4820-69-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/4820-70-0x0000000001090000-0x00000000010A5000-memory.dmp

    Filesize

    84KB

  • memory/4820-13-0x00000000010D0000-0x000000000141A000-memory.dmp

    Filesize

    3.3MB

  • memory/5092-25-0x0000000005710000-0x0000000005776000-memory.dmp

    Filesize

    408KB

  • memory/5092-55-0x0000000007850000-0x0000000007ECA000-memory.dmp

    Filesize

    6.5MB

  • memory/5092-26-0x0000000005880000-0x00000000058E6000-memory.dmp

    Filesize

    408KB

  • memory/5092-36-0x00000000058F0000-0x0000000005C44000-memory.dmp

    Filesize

    3.3MB

  • memory/5092-37-0x0000000005EE0000-0x0000000005EFE000-memory.dmp

    Filesize

    120KB

  • memory/5092-38-0x0000000005F90000-0x0000000005FDC000-memory.dmp

    Filesize

    304KB

  • memory/5092-41-0x00000000744E0000-0x0000000074C90000-memory.dmp

    Filesize

    7.7MB

  • memory/5092-40-0x0000000070300000-0x000000007034C000-memory.dmp

    Filesize

    304KB

  • memory/5092-39-0x0000000007070000-0x00000000070A2000-memory.dmp

    Filesize

    200KB

  • memory/5092-51-0x00000000070B0000-0x00000000070CE000-memory.dmp

    Filesize

    120KB

  • memory/5092-53-0x00000000744E0000-0x0000000074C90000-memory.dmp

    Filesize

    7.7MB

  • memory/5092-52-0x00000000070D0000-0x0000000007173000-memory.dmp

    Filesize

    652KB

  • memory/5092-54-0x00000000744E0000-0x0000000074C90000-memory.dmp

    Filesize

    7.7MB

  • memory/5092-24-0x00000000744E0000-0x0000000074C90000-memory.dmp

    Filesize

    7.7MB

  • memory/5092-56-0x0000000007210000-0x000000000722A000-memory.dmp

    Filesize

    104KB

  • memory/5092-57-0x0000000007280000-0x000000000728A000-memory.dmp

    Filesize

    40KB

  • memory/5092-58-0x0000000007490000-0x0000000007526000-memory.dmp

    Filesize

    600KB

  • memory/5092-59-0x0000000007410000-0x0000000007421000-memory.dmp

    Filesize

    68KB

  • memory/5092-60-0x0000000007440000-0x000000000744E000-memory.dmp

    Filesize

    56KB

  • memory/5092-61-0x0000000007450000-0x0000000007464000-memory.dmp

    Filesize

    80KB

  • memory/5092-62-0x0000000007550000-0x000000000756A000-memory.dmp

    Filesize

    104KB

  • memory/5092-63-0x0000000007530000-0x0000000007538000-memory.dmp

    Filesize

    32KB

  • memory/5092-66-0x00000000744E0000-0x0000000074C90000-memory.dmp

    Filesize

    7.7MB

  • memory/5092-23-0x0000000004F30000-0x0000000004F52000-memory.dmp

    Filesize

    136KB

  • memory/5092-22-0x00000000744E0000-0x0000000074C90000-memory.dmp

    Filesize

    7.7MB

  • memory/5092-21-0x0000000004FF0000-0x0000000005618000-memory.dmp

    Filesize

    6.2MB

  • memory/5092-19-0x00000000744EE000-0x00000000744EF000-memory.dmp

    Filesize

    4KB

  • memory/5092-20-0x0000000004910000-0x0000000004946000-memory.dmp

    Filesize

    216KB