xenarmor | 4e867049a92c822ebb1ee2560864342654479f4b9f1f83a30e85db010f548b19

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

Processes:

List.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	List.exe

Windows security bypass 2 TTPs 2 IoCs

Disable or Modify Tools

Modify Registry

Processes:

List.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	List.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\List.exe = "0"	List.exe

XenArmor Suite
XenArmor is as suite of password recovery tools for various application.
recovery password xenarmor
Xenarmor family
xenarmor
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

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

Processes:

powershell.exe

pid	Process
3528	powershell.exe

ACProtect 1.3x - 1.4x DLL software 5 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
behavioral2/files/0x0007000000023cd4-34.dat	acprotect
behavioral2/files/0x0007000000023cd6-44.dat	acprotect
behavioral2/files/0x0007000000023cd5-39.dat	acprotect
behavioral2/files/0x0007000000023cd7-49.dat	acprotect
behavioral2/files/0x0007000000023cd8-54.dat	acprotect

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

List.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	List.exe

Executes dropped EXE 1 IoCs

Processes:

All-In-One.exe

pid	Process
4372	All-In-One.exe

Loads dropped DLL 1 IoCs

Processes:

All-In-One.exe

pid	Process
4372	All-In-One.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

Modify Registry

Processes:

List.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	List.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	List.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\List.exe = "0"	List.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

All-In-One.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	All-In-One.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

List.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	List.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	List.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

List.exe

description	pid	Process	procid_target
PID 3692 set thread context of 2456	3692	List.exe	92

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/files/0x0007000000023cd4-34.dat	upx
behavioral2/files/0x0007000000023cd6-44.dat	upx
behavioral2/files/0x0007000000023cd5-39.dat	upx
behavioral2/files/0x0007000000023cd7-49.dat	upx
behavioral2/files/0x0007000000023cd8-54.dat	upx

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 3 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

Processes:

CasPol.execmd.exeAll-In-One.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CasPol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	All-In-One.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeAll-In-One.exe

pid	Process
3528	powershell.exe
3528	powershell.exe
4372	All-In-One.exe
4372	All-In-One.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

List.exepowershell.exeCasPol.exeAll-In-One.exe

description	pid	Process
Token: SeDebugPrivilege	3692	List.exe
Token: SeDebugPrivilege	3528	powershell.exe
Token: SeDebugPrivilege	2456	CasPol.exe
Token: SeDebugPrivilege	4372	All-In-One.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

All-In-One.exe

pid	Process
4372	All-In-One.exe
4372	All-In-One.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

List.exeCasPol.execmd.exe

description	pid	Process	procid_target
PID 3692 wrote to memory of 3528	3692	List.exe	90
PID 3692 wrote to memory of 3528	3692	List.exe	90
PID 3692 wrote to memory of 2456	3692	List.exe	92
PID 3692 wrote to memory of 2456	3692	List.exe	92
PID 3692 wrote to memory of 2456	3692	List.exe	92
PID 3692 wrote to memory of 2456	3692	List.exe	92
PID 3692 wrote to memory of 2456	3692	List.exe	92
PID 3692 wrote to memory of 2456	3692	List.exe	92
PID 3692 wrote to memory of 2456	3692	List.exe	92
PID 3692 wrote to memory of 2456	3692	List.exe	92
PID 3692 wrote to memory of 2428	3692	List.exe	93
PID 3692 wrote to memory of 2428	3692	List.exe	93
PID 3692 wrote to memory of 2428	3692	List.exe	93
PID 2456 wrote to memory of 748	2456	CasPol.exe	106
PID 2456 wrote to memory of 748	2456	CasPol.exe	106
PID 2456 wrote to memory of 748	2456	CasPol.exe	106
PID 748 wrote to memory of 4372	748	cmd.exe	108
PID 748 wrote to memory of 4372	748	cmd.exe	108
PID 748 wrote to memory of 4372	748	cmd.exe	108

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

List.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	List.exe

C:\Users\Admin\AppData\Local\Temp\List.exe
"C:\Users\Admin\AppData\Local\Temp\List.exe"
1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3692
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\List.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3528
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c Cd %temp% && All-In-One.exe OutPut.json
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:748
  - - C:\Users\Admin\AppData\Local\Temp\All-In-One.exe
      All-In-One.exe OutPut.json
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Accesses Microsoft Outlook accounts
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:4372
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  PID:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry