formbook | 2cacd2c25829111e524887bc198ef09960434e07948c8ffe68b1bdf28dc6083d

Modify Registry

description	ioc	Process
Key created	\Registry\User\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	ipconfig.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\YXSDLRU8N = "C:\\Program Files (x86)\\Windows Mail\\wab.exe"	ipconfig.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
2380	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\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

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2060 set thread context of 2832	2060	Нова поръчка за покупка pdf.exe	34
PID 2832 set thread context of 1196	2832	wab.exe	21
PID 2832 set thread context of 1196	2832	wab.exe	21
PID 2864 set thread context of 1196	2864	ipconfig.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	ipconfig.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2864	ipconfig.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

description	ioc	Process
Key created	\Registry\User\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2380	powershell.exe
2832	wab.exe
2832	wab.exe
2832	wab.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
2832	wab.exe
2832	wab.exe
2832	wab.exe
2832	wab.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe
2864	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2060	Нова поръчка за покупка pdf.exe
Token: SeDebugPrivilege	2380	powershell.exe
Token: SeDebugPrivilege	2832	wab.exe
Token: SeDebugPrivilege	2864	ipconfig.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2380	2060	Нова поръчка за покупка pdf.exe	31
PID 2060 wrote to memory of 2380	2060	Нова поръчка за покупка pdf.exe	31
PID 2060 wrote to memory of 2380	2060	Нова поръчка за покупка pdf.exe	31
PID 2060 wrote to memory of 1804	2060	Нова поръчка за покупка pdf.exe	33
PID 2060 wrote to memory of 1804	2060	Нова поръчка за покупка pdf.exe	33
PID 2060 wrote to memory of 1804	2060	Нова поръчка за покупка pdf.exe	33
PID 2060 wrote to memory of 1804	2060	Нова поръчка за покупка pdf.exe	33
PID 2060 wrote to memory of 1804	2060	Нова поръчка за покупка pdf.exe	33
PID 2060 wrote to memory of 2832	2060	Нова поръчка за покупка pdf.exe	34
PID 2060 wrote to memory of 2832	2060	Нова поръчка за покупка pdf.exe	34
PID 2060 wrote to memory of 2832	2060	Нова поръчка за покупка pdf.exe	34
PID 2060 wrote to memory of 2832	2060	Нова поръчка за покупка pdf.exe	34
PID 2060 wrote to memory of 2832	2060	Нова поръчка за покупка pdf.exe	34
PID 2060 wrote to memory of 2832	2060	Нова поръчка за покупка pdf.exe	34
PID 2060 wrote to memory of 2832	2060	Нова поръчка за покупка pdf.exe	34
PID 1196 wrote to memory of 2864	1196	Explorer.EXE	35
PID 1196 wrote to memory of 2864	1196	Explorer.EXE	35
PID 1196 wrote to memory of 2864	1196	Explorer.EXE	35
PID 1196 wrote to memory of 2864	1196	Explorer.EXE	35
PID 2864 wrote to memory of 2648	2864	ipconfig.exe	37
PID 2864 wrote to memory of 2648	2864	ipconfig.exe	37
PID 2864 wrote to memory of 2648	2864	ipconfig.exe	37
PID 2864 wrote to memory of 2648	2864	ipconfig.exe	37
PID 2864 wrote to memory of 2648	2864	ipconfig.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- 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:2060
- - 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:2380
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
    3⤵
    PID:1804
- - 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:2832
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Adds policy Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2864
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2648

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

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery