Analysis

  • max time kernel
    110s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    21-10-2021 19:48

General

  • Target

    664920ea617d6c5f15c228b7374aa15f.exe

  • Size

    482KB

  • MD5

    664920ea617d6c5f15c228b7374aa15f

  • SHA1

    3cdf04f5f2d732f0a199151ff35af27a4cce12aa

  • SHA256

    65acd8c73c518c97a1539bc8e3f62fb8f06431d7030c6cc1463c855aec0ec46f

  • SHA512

    ba40b25f6f45b32001929a7da37b512a8d642e0b45ca19ff0dc2edadf82982b84f8b9a51c9781c30226ec6c05cb12bb50ef252f227cf8d790d390a26400c5462

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

s18y

C2

http://www.agentpathleurre.space/s18y/

Decoy

jokes-online.com

dzzdjn.com

lizzieerhardtebnaryepptts.com

interfacehand.xyz

sale-m.site

block-facebook.com

dicasdamadrinha.com

maythewind.com

hasari.net

omnists.com

thevalley-eg.com

rdfj.xyz

szhfcy.com

alkalineage.club

fdf.xyz

absorplus.com

poldolongo.com

badassshirts.club

ferienwohnungenmv.com

bilboondokoak.com

Signatures

  • Formbook

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

  • Formbook Payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\664920ea617d6c5f15c228b7374aa15f.exe
    "C:\Users\Admin\AppData\Local\Temp\664920ea617d6c5f15c228b7374aa15f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Users\Admin\AppData\Local\Temp\664920ea617d6c5f15c228b7374aa15f.exe
      "C:\Users\Admin\AppData\Local\Temp\664920ea617d6c5f15c228b7374aa15f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:68

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/68-124-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/68-125-0x000000000041F120-mapping.dmp
  • memory/68-126-0x00000000014B0000-0x00000000017D0000-memory.dmp
    Filesize

    3.1MB

  • memory/1172-115-0x0000000000350000-0x0000000000351000-memory.dmp
    Filesize

    4KB

  • memory/1172-117-0x0000000005240000-0x0000000005241000-memory.dmp
    Filesize

    4KB

  • memory/1172-118-0x0000000004C40000-0x0000000004C41000-memory.dmp
    Filesize

    4KB

  • memory/1172-119-0x0000000004C00000-0x0000000004C01000-memory.dmp
    Filesize

    4KB

  • memory/1172-120-0x0000000004D40000-0x000000000523E000-memory.dmp
    Filesize

    5.0MB

  • memory/1172-121-0x0000000004C30000-0x0000000004C37000-memory.dmp
    Filesize

    28KB

  • memory/1172-122-0x00000000059E0000-0x00000000059E1000-memory.dmp
    Filesize

    4KB

  • memory/1172-123-0x00000000051F0000-0x0000000005240000-memory.dmp
    Filesize

    320KB