Analysis

  • max time kernel
    47s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    09-12-2022 05:31

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.8337.exe

  • Size

    1.0MB

  • MD5

    d895b9c76dd01f74ed7ac569214bd908

  • SHA1

    c4b0c3e114a9d31d7957f873ee0a87731fd16148

  • SHA256

    152d5ef19fdfabb482918d51148804bd5227e44e3eb5007dccc347b0ee8585d2

  • SHA512

    1a22d896206d1aa1dd40784ba7f2751687c0b1f148620f76b2484e1c105f831d290803cfe28554890ba1055da1eb7e6390cb684c031711cb5d065f0d63d35347

  • SSDEEP

    24576:FSfCp6q+gk0huWQks+28p9NpH6tvqrTlzqepF:FjJc9dks+2O9eVqV

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ci07

Decoy

lain-co.com

weixingshe2777.live

cwin67.com

cabiss.com

absolutehvh.xyz

mycrystallampshop.com

ovalwriters.com

concarneau.net

ciexol.xyz

adulty.net

techartinternational.com

conleyconfection.com

xn--nadinebyond-hbb.world

elevatezed.net

apdodge.xyz

ql456654.vip

amtqu.com

ymvip484.com

00ssolow.kred

fpvmalaysia.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
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.8337.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.8337.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IgppHjCOS.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:860
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IgppHjCOS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA5A3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1496
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.8337.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.8337.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1536

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA5A3.tmp

    Filesize

    1KB

    MD5

    22c068304ed48b1594b4163efe4a04a9

    SHA1

    e9a15edd9e0ae7b6a127175a68091868834c30b8

    SHA256

    b0dd241b1dff5962901a9fd2dcd11098e76e51265d23cd9c7b8f5d97f4f437a9

    SHA512

    c5fd4f887abadfa819b8e909ee1a6337245466c1d30469f7053ab172587424ac563e79dcb6bd6e7680def2ee347ebb6ab19b202c1a6d290f99c0cb30ff116cfb

  • memory/860-59-0x0000000000000000-mapping.dmp

  • memory/860-70-0x000000006E5F0000-0x000000006EB9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1496-60-0x0000000000000000-mapping.dmp

  • memory/1536-64-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1536-65-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1536-68-0x000000000041F080-mapping.dmp

  • memory/1536-67-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1536-69-0x0000000000A40000-0x0000000000D43000-memory.dmp

    Filesize

    3.0MB

  • memory/1724-58-0x0000000007D80000-0x0000000007E36000-memory.dmp

    Filesize

    728KB

  • memory/1724-57-0x0000000000560000-0x000000000056E000-memory.dmp

    Filesize

    56KB

  • memory/1724-56-0x0000000000540000-0x000000000055A000-memory.dmp

    Filesize

    104KB

  • memory/1724-63-0x0000000005AD0000-0x0000000005B4C000-memory.dmp

    Filesize

    496KB

  • memory/1724-54-0x00000000001C0000-0x00000000002C8000-memory.dmp

    Filesize

    1.0MB

  • memory/1724-55-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

    Filesize

    8KB