formbook | 22ee08b9678302f3671e7f1c6abd33866366b034faa9da27757fee2e05e23bf1

Modify Registry

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cscript.exe

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.

execution

PowerShell

T1059.001

pid	Process
1808	powershell.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\Нова поръчка за покупка pdf = "C:\\Users\\Admin\\Нова поръчка за покупка pdf.exe"	Нова поръчка за покупка pdf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\KTD0QV_H1XR = "C:\\Program Files (x86)\\Windows Mail\\wab.exe"	cscript.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1292 set thread context of 2772	1292	Нова поръчка за покупка pdf.exe	34
PID 2772 set thread context of 1208	2772	wab.exe	21
PID 2900 set thread context of 1208	2900	cscript.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cscript.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1808	powershell.exe
2772	wab.exe
2772	wab.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2772	wab.exe
2772	wab.exe
2772	wab.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe
2900	cscript.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1292	Нова поръчка за покупка pdf.exe
Token: SeDebugPrivilege	1808	powershell.exe
Token: SeDebugPrivilege	2772	wab.exe
Token: SeDebugPrivilege	2900	cscript.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 1808	1292	Нова поръчка за покупка pdf.exe	31
PID 1292 wrote to memory of 1808	1292	Нова поръчка за покупка pdf.exe	31
PID 1292 wrote to memory of 1808	1292	Нова поръчка за покупка pdf.exe	31
PID 1292 wrote to memory of 336	1292	Нова поръчка за покупка pdf.exe	33
PID 1292 wrote to memory of 336	1292	Нова поръчка за покупка pdf.exe	33
PID 1292 wrote to memory of 336	1292	Нова поръчка за покупка pdf.exe	33
PID 1292 wrote to memory of 336	1292	Нова поръчка за покупка pdf.exe	33
PID 1292 wrote to memory of 336	1292	Нова поръчка за покупка pdf.exe	33
PID 1292 wrote to memory of 336	1292	Нова поръчка за покупка pdf.exe	33
PID 1292 wrote to memory of 336	1292	Нова поръчка за покупка pdf.exe	33
PID 1292 wrote to memory of 2772	1292	Нова поръчка за покупка pdf.exe	34
PID 1292 wrote to memory of 2772	1292	Нова поръчка за покупка pdf.exe	34
PID 1292 wrote to memory of 2772	1292	Нова поръчка за покупка pdf.exe	34
PID 1292 wrote to memory of 2772	1292	Нова поръчка за покупка pdf.exe	34
PID 1292 wrote to memory of 2772	1292	Нова поръчка за покупка pdf.exe	34
PID 1292 wrote to memory of 2772	1292	Нова поръчка за покупка pdf.exe	34
PID 1292 wrote to memory of 2772	1292	Нова поръчка за покупка pdf.exe	34
PID 1208 wrote to memory of 2900	1208	Explorer.EXE	35
PID 1208 wrote to memory of 2900	1208	Explorer.EXE	35
PID 1208 wrote to memory of 2900	1208	Explorer.EXE	35
PID 1208 wrote to memory of 2900	1208	Explorer.EXE	35
PID 2900 wrote to memory of 2644	2900	cscript.exe	37
PID 2900 wrote to memory of 2644	2900	cscript.exe	37
PID 2900 wrote to memory of 2644	2900	cscript.exe	37
PID 2900 wrote to memory of 2644	2900	cscript.exe	37
PID 2900 wrote to memory of 2644	2900	cscript.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\Нова поръчка за покупка pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Нова поръчка за покупка pdf.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1292
- - C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:UserProfile
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1808
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
    3⤵
    PID:336
- - C:\Program Files (x86)\Windows Mail\wab.exe
    "C:\Program Files (x86)\Windows Mail\wab.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2772
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.exe"
  2⤵
  - Adds policy Run key to start application
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

3

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System