Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-09-2024 06:40

General

  • Target

    SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe

  • Size

    749KB

  • MD5

    c13a31f39f4de6f4373b06d799b36ee1

  • SHA1

    bed48e4ff3b169b8ab79af619c47f00d4d6ef460

  • SHA256

    4450f87d1d930e77af10b8eeea00a2f2c2421f1035e42e98fa072fecb5735e00

  • SHA512

    fc57a3c3fc924a16caca8757532ea000db33c825dac9712f2a97b96adb9b6e02a10ceba9f1afe027e62f2c8b795074b888735427e6bd04f8fb2d1064d48965e6

  • SSDEEP

    12288:gqdBj0z1nz6T1UoIG5MPU0wOqp06mCPyP4xLUzPimndzQ+ww4pegX3VNXr4T50Lk:A6pUobyTkpVjyP4xLUWmn5cWgHHKck97

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

h209

Decoy

sbtstuff.site

omlyes.com

movershifting.com

gearballer.com

oketoto.pro

myringleader.com

lrcjc750s.xyz

ata2024.xyz

password-manager-89409.bond

aiassistanthub.net

changvolt.cfd

netino.site

wear-wale.com

omnipresenceagency.com

huangguan.ooo

propersonnelmedia.com

9332952.com

k3s.support

ciytrw.xyz

cb095.pro

Signatures

  • Formbook

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

  • Formbook payload 1 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 1 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4472
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xXAxpzEH.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4916
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xXAxpzEH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAE9F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:224
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4enstrh0.lk2.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpAE9F.tmp

    Filesize

    1KB

    MD5

    c9bb04dc17acce3088dd9b533f29b60c

    SHA1

    bbd0e1ee91243884aaec5b50a20f72b97f2e6ded

    SHA256

    f12367ddfc2dd0c680a985f27787872bdca47a175fb23d4b2cedf276bc7ee7ac

    SHA512

    8cce35928a42afdf0df12054faa17840939411e351723e8e8467d350db37ceafc83d5bee4ac8a09bef10cf64ae21059012ff2d79ebceca8f619e35c3dfc59366

  • memory/2404-34-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2404-37-0x00000000015D0000-0x000000000191A000-memory.dmp

    Filesize

    3.3MB

  • memory/4472-8-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4472-5-0x0000000005220000-0x000000000522A000-memory.dmp

    Filesize

    40KB

  • memory/4472-6-0x00000000052D0000-0x00000000052E8000-memory.dmp

    Filesize

    96KB

  • memory/4472-7-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

    Filesize

    4KB

  • memory/4472-4-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4472-9-0x0000000005F10000-0x0000000005F86000-memory.dmp

    Filesize

    472KB

  • memory/4472-10-0x0000000005D80000-0x0000000005E1C000-memory.dmp

    Filesize

    624KB

  • memory/4472-3-0x0000000005170000-0x0000000005202000-memory.dmp

    Filesize

    584KB

  • memory/4472-36-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4472-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

    Filesize

    4KB

  • memory/4472-2-0x00000000057D0000-0x0000000005D74000-memory.dmp

    Filesize

    5.6MB

  • memory/4472-1-0x0000000000700000-0x00000000007C2000-memory.dmp

    Filesize

    776KB

  • memory/4916-33-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4916-42-0x00000000754C0000-0x000000007550C000-memory.dmp

    Filesize

    304KB

  • memory/4916-21-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4916-32-0x00000000061F0000-0x0000000006544000-memory.dmp

    Filesize

    3.3MB

  • memory/4916-20-0x00000000058E0000-0x0000000005946000-memory.dmp

    Filesize

    408KB

  • memory/4916-18-0x0000000005840000-0x0000000005862000-memory.dmp

    Filesize

    136KB

  • memory/4916-17-0x0000000005A00000-0x0000000006028000-memory.dmp

    Filesize

    6.2MB

  • memory/4916-16-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4916-15-0x0000000002F20000-0x0000000002F56000-memory.dmp

    Filesize

    216KB

  • memory/4916-38-0x00000000067F0000-0x000000000680E000-memory.dmp

    Filesize

    120KB

  • memory/4916-39-0x0000000006810000-0x000000000685C000-memory.dmp

    Filesize

    304KB

  • memory/4916-40-0x000000007F470000-0x000000007F480000-memory.dmp

    Filesize

    64KB

  • memory/4916-41-0x00000000077B0000-0x00000000077E2000-memory.dmp

    Filesize

    200KB

  • memory/4916-22-0x0000000005950000-0x00000000059B6000-memory.dmp

    Filesize

    408KB

  • memory/4916-54-0x0000000006DE0000-0x0000000006DFE000-memory.dmp

    Filesize

    120KB

  • memory/4916-53-0x0000000002ED0000-0x0000000002EE0000-memory.dmp

    Filesize

    64KB

  • memory/4916-52-0x0000000002ED0000-0x0000000002EE0000-memory.dmp

    Filesize

    64KB

  • memory/4916-55-0x0000000007800000-0x00000000078A3000-memory.dmp

    Filesize

    652KB

  • memory/4916-56-0x0000000008170000-0x00000000087EA000-memory.dmp

    Filesize

    6.5MB

  • memory/4916-57-0x0000000007B30000-0x0000000007B4A000-memory.dmp

    Filesize

    104KB

  • memory/4916-58-0x0000000007BA0000-0x0000000007BAA000-memory.dmp

    Filesize

    40KB

  • memory/4916-59-0x0000000007DB0000-0x0000000007E46000-memory.dmp

    Filesize

    600KB

  • memory/4916-60-0x0000000007D30000-0x0000000007D41000-memory.dmp

    Filesize

    68KB

  • memory/4916-61-0x0000000007D60000-0x0000000007D6E000-memory.dmp

    Filesize

    56KB

  • memory/4916-62-0x0000000007D70000-0x0000000007D84000-memory.dmp

    Filesize

    80KB

  • memory/4916-63-0x0000000007E70000-0x0000000007E8A000-memory.dmp

    Filesize

    104KB

  • memory/4916-64-0x0000000007E50000-0x0000000007E58000-memory.dmp

    Filesize

    32KB

  • memory/4916-67-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB