xloader | 45d1b699698ba99b1a8c51ef57d3ed895b762f418cc05f8c54425e3cebcea4c0

System Information Discovery

Processes:

ef43e97cb61e5d54d4953a4d3278f220.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ef43e97cb61e5d54d4953a4d3278f220.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ef43e97cb61e5d54d4953a4d3278f220.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

Processes:

ef43e97cb61e5d54d4953a4d3278f220.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	ef43e97cb61e5d54d4953a4d3278f220.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
T1081

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

Processes:

ef43e97cb61e5d54d4953a4d3278f220.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ef43e97cb61e5d54d4953a4d3278f220.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ef43e97cb61e5d54d4953a4d3278f220.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

ef43e97cb61e5d54d4953a4d3278f220.exeRegSvcs.exemsdt.exe

description	pid	process	target process
PID 3116 set thread context of 436	3116	ef43e97cb61e5d54d4953a4d3278f220.exe	RegSvcs.exe
PID 436 set thread context of 1124	436	RegSvcs.exe	Explorer.EXE
PID 1320 set thread context of 1124	1320	msdt.exe	Explorer.EXE

Drops file in Program Files directory 4 IoCs

Processes:

msdt.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Kktj8zxp0\IconCachejbcphpxp.exe	msdt.exe
File opened for modification	C:\Program Files (x86)\Kktj8zxp0	Explorer.EXE
File created	C:\Program Files (x86)\Kktj8zxp0\IconCachejbcphpxp.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Kktj8zxp0\IconCachejbcphpxp.exe	Explorer.EXE

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4212 schtasks.exe

pid	process
4212	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

msdt.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msdt.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

Processes:

ef43e97cb61e5d54d4953a4d3278f220.exepowershell.exeRegSvcs.exemsdt.exe

pid	process
3116	ef43e97cb61e5d54d4953a4d3278f220.exe
3116	ef43e97cb61e5d54d4953a4d3278f220.exe
3452	powershell.exe
3116	ef43e97cb61e5d54d4953a4d3278f220.exe
436	RegSvcs.exe
436	RegSvcs.exe
3452	powershell.exe
436	RegSvcs.exe
436	RegSvcs.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1124 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

RegSvcs.exemsdt.exe

pid process

436 RegSvcs.exe
436 RegSvcs.exe
436 RegSvcs.exe
1320 msdt.exe
1320 msdt.exe
1320 msdt.exe
1320 msdt.exe

pid	process
1124	Explorer.EXE

pid	process
436	RegSvcs.exe
436	RegSvcs.exe
436	RegSvcs.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe
1320	msdt.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

ef43e97cb61e5d54d4953a4d3278f220.exepowershell.exeRegSvcs.exemsdt.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3116	ef43e97cb61e5d54d4953a4d3278f220.exe
Token: SeDebugPrivilege	3452	powershell.exe
Token: SeDebugPrivilege	436	RegSvcs.exe
Token: SeDebugPrivilege	1320	msdt.exe
Token: SeShutdownPrivilege	1124	Explorer.EXE
Token: SeCreatePagefilePrivilege	1124	Explorer.EXE
Token: SeShutdownPrivilege	1124	Explorer.EXE
Token: SeCreatePagefilePrivilege	1124	Explorer.EXE
Token: SeShutdownPrivilege	1124	Explorer.EXE
Token: SeCreatePagefilePrivilege	1124	Explorer.EXE
Token: SeShutdownPrivilege	1124	Explorer.EXE
Token: SeCreatePagefilePrivilege	1124	Explorer.EXE
Token: SeShutdownPrivilege	1124	Explorer.EXE
Token: SeCreatePagefilePrivilege	1124	Explorer.EXE

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

ef43e97cb61e5d54d4953a4d3278f220.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 3116 wrote to memory of 3452	3116	ef43e97cb61e5d54d4953a4d3278f220.exe	powershell.exe
PID 3116 wrote to memory of 3452	3116	ef43e97cb61e5d54d4953a4d3278f220.exe	powershell.exe
PID 3116 wrote to memory of 3452	3116	ef43e97cb61e5d54d4953a4d3278f220.exe	powershell.exe
PID 3116 wrote to memory of 4212	3116	ef43e97cb61e5d54d4953a4d3278f220.exe	schtasks.exe
PID 3116 wrote to memory of 4212	3116	ef43e97cb61e5d54d4953a4d3278f220.exe	schtasks.exe
PID 3116 wrote to memory of 4212	3116	ef43e97cb61e5d54d4953a4d3278f220.exe	schtasks.exe
PID 3116 wrote to memory of 436	3116	ef43e97cb61e5d54d4953a4d3278f220.exe	RegSvcs.exe
PID 3116 wrote to memory of 436	3116	ef43e97cb61e5d54d4953a4d3278f220.exe	RegSvcs.exe
PID 3116 wrote to memory of 436	3116	ef43e97cb61e5d54d4953a4d3278f220.exe	RegSvcs.exe
PID 3116 wrote to memory of 436	3116	ef43e97cb61e5d54d4953a4d3278f220.exe	RegSvcs.exe
PID 3116 wrote to memory of 436	3116	ef43e97cb61e5d54d4953a4d3278f220.exe	RegSvcs.exe
PID 3116 wrote to memory of 436	3116	ef43e97cb61e5d54d4953a4d3278f220.exe	RegSvcs.exe
PID 1124 wrote to memory of 1320	1124	Explorer.EXE	msdt.exe
PID 1124 wrote to memory of 1320	1124	Explorer.EXE	msdt.exe
PID 1124 wrote to memory of 1320	1124	Explorer.EXE	msdt.exe
PID 1320 wrote to memory of 220	1320	msdt.exe	cmd.exe
PID 1320 wrote to memory of 220	1320	msdt.exe	cmd.exe
PID 1320 wrote to memory of 220	1320	msdt.exe	cmd.exe
PID 1320 wrote to memory of 2508	1320	msdt.exe	cmd.exe
PID 1320 wrote to memory of 2508	1320	msdt.exe	cmd.exe
PID 1320 wrote to memory of 2508	1320	msdt.exe	cmd.exe
PID 1320 wrote to memory of 4772	1320	msdt.exe	cmd.exe
PID 1320 wrote to memory of 4772	1320	msdt.exe	cmd.exe
PID 1320 wrote to memory of 4772	1320	msdt.exe	cmd.exe
PID 1320 wrote to memory of 1820	1320	msdt.exe	Firefox.exe
PID 1320 wrote to memory of 1820	1320	msdt.exe	Firefox.exe
PID 1320 wrote to memory of 1820	1320	msdt.exe	Firefox.exe
PID 1124 wrote to memory of 3656	1124	Explorer.EXE	IconCachejbcphpxp.exe
PID 1124 wrote to memory of 3656	1124	Explorer.EXE	IconCachejbcphpxp.exe
PID 1124 wrote to memory of 3656	1124	Explorer.EXE	IconCachejbcphpxp.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1124

C:\Users\Admin\AppData\Local\Temp\ef43e97cb61e5d54d4953a4d3278f220.exe
"C:\Users\Admin\AppData\Local\Temp\ef43e97cb61e5d54d4953a4d3278f220.exe"
2⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3116

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lIaHFEbpq.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3452

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lIaHFEbpq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp67D7.tmp"
3⤵
- Creates scheduled task(s)
PID:4212

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:436

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1320

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:220

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:2508

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:4772

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1820

C:\Program Files (x86)\Kktj8zxp0\IconCachejbcphpxp.exe
"C:\Program Files (x86)\Kktj8zxp0\IconCachejbcphpxp.exe"
2⤵
- Executes dropped EXE
PID:3656

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Modify Registry

2

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

5

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

4

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Data from Local System