xpertrat | 6bf55bc421fadfd6e0ffc426390796b1a9dc4afd1e53ec9b36395951f0f539eb

General

Target

PO#601863490599600.exe
Size

599KB
MD5

485c081a0d8a94c07aa77a78fd1199c7
SHA1

f3b561862b76833f1f4d4fbc816634a4ef062fec
SHA256

6bf55bc421fadfd6e0ffc426390796b1a9dc4afd1e53ec9b36395951f0f539eb
SHA512

aa0008823df95aec0b38a78c48e3a2917f1d8d4fb6b5a406ddde7672bbfc7a76448e292573298a47a195db64e05e925ce0114bcacadfa6fe3035dcbedc162560

Score

10^/10

xpertrat evasion persistence rat trojan

Malware Config

Signatures

UAC bypass 3 TTPs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
XpertRAT
XpertRAT is a remote access trojan with various capabilities.
rat xpertrat
Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

iexplore.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6 = "C:\\Users\\Admin\\AppData\\Roaming\\R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6\\R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe"	iexplore.exe

Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

PO#601863490599600.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	PO#601863490599600.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	PO#601863490599600.exe

Windows security modification 2 TTPs 1 IoCs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

PO#601863490599600.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" PO#601863490599600.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	PO#601863490599600.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

iexplore.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6 = "C:\\Users\\Admin\\AppData\\Roaming\\R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6\\R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe"	iexplore.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6 = "C:\\Users\\Admin\\AppData\\Roaming\\R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6\\R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe"	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

PO#601863490599600.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	PO#601863490599600.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

PO#601863490599600.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	PO#601863490599600.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0	PO#601863490599600.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

PO#601863490599600.exePO#601863490599600.exe

description	pid	process	target process
PID 4316 set thread context of 668	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 668 set thread context of 68	668	PO#601863490599600.exe	iexplore.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

PO#601863490599600.exePO#601863490599600.exe

pid	process
4316	PO#601863490599600.exe
4316	PO#601863490599600.exe
4316	PO#601863490599600.exe
4316	PO#601863490599600.exe
4316	PO#601863490599600.exe
4316	PO#601863490599600.exe
668	PO#601863490599600.exe
668	PO#601863490599600.exe
668	PO#601863490599600.exe
668	PO#601863490599600.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO#601863490599600.exeiexplore.exe

description pid process

Token: SeDebugPrivilege 4316 PO#601863490599600.exe
Token: SeDebugPrivilege 68 iexplore.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

PO#601863490599600.exeiexplore.exe

pid process

668 PO#601863490599600.exe
68 iexplore.exe

description	pid	process
Token: SeDebugPrivilege	4316	PO#601863490599600.exe
Token: SeDebugPrivilege	68	iexplore.exe

pid	process
668	PO#601863490599600.exe
68	iexplore.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

PO#601863490599600.exePO#601863490599600.exe

description	pid	process	target process
PID 4316 wrote to memory of 528	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 4316 wrote to memory of 528	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 4316 wrote to memory of 528	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 4316 wrote to memory of 536	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 4316 wrote to memory of 536	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 4316 wrote to memory of 536	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 4316 wrote to memory of 604	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 4316 wrote to memory of 604	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 4316 wrote to memory of 604	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 4316 wrote to memory of 668	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 4316 wrote to memory of 668	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 4316 wrote to memory of 668	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 4316 wrote to memory of 668	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 4316 wrote to memory of 668	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 4316 wrote to memory of 668	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 4316 wrote to memory of 668	4316	PO#601863490599600.exe	PO#601863490599600.exe
PID 668 wrote to memory of 68	668	PO#601863490599600.exe	iexplore.exe
PID 668 wrote to memory of 68	668	PO#601863490599600.exe	iexplore.exe
PID 668 wrote to memory of 68	668	PO#601863490599600.exe	iexplore.exe
PID 668 wrote to memory of 68	668	PO#601863490599600.exe	iexplore.exe
PID 668 wrote to memory of 68	668	PO#601863490599600.exe	iexplore.exe
PID 668 wrote to memory of 68	668	PO#601863490599600.exe	iexplore.exe
PID 668 wrote to memory of 68	668	PO#601863490599600.exe	iexplore.exe
PID 668 wrote to memory of 68	668	PO#601863490599600.exe	iexplore.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

PO#601863490599600.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	PO#601863490599600.exe

C:\Users\Admin\AppData\Local\Temp\PO#601863490599600.exe
"C:\Users\Admin\AppData\Local\Temp\PO#601863490599600.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4316

C:\Users\Admin\AppData\Local\Temp\PO#601863490599600.exe
"C:\Users\Admin\AppData\Local\Temp\PO#601863490599600.exe"
2⤵
PID:528

C:\Users\Admin\AppData\Local\Temp\PO#601863490599600.exe
"C:\Users\Admin\AppData\Local\Temp\PO#601863490599600.exe"
2⤵
PID:536

C:\Users\Admin\AppData\Local\Temp\PO#601863490599600.exe
"C:\Users\Admin\AppData\Local\Temp\PO#601863490599600.exe"
2⤵
PID:604

C:\Users\Admin\AppData\Local\Temp\PO#601863490599600.exe
"C:\Users\Admin\AppData\Local\Temp\PO#601863490599600.exe"
2⤵
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:668

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\PO#601863490599600.exe
3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:68

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/68-130-0x0000000000401364-mapping.dmp

Download
memory/668-127-0x00000000004010B8-mapping.dmp

Download
memory/668-131-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/668-126-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4316-122-0x00000000083F0000-0x00000000083F1000-memory.dmp

Filesize
4KB

Download
memory/4316-121-0x0000000004EB0000-0x0000000004EB6000-memory.dmp

Filesize
24KB

Download
memory/4316-115-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/4316-123-0x0000000008350000-0x0000000008351000-memory.dmp

Filesize
4KB

Download
memory/4316-124-0x00000000085F0000-0x000000000864C000-memory.dmp

Filesize
368KB

Download
memory/4316-125-0x0000000008730000-0x0000000008731000-memory.dmp

Filesize
4KB

Download
memory/4316-120-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

Filesize
4KB

Download
memory/4316-119-0x0000000004C10000-0x000000000510E000-memory.dmp

Filesize
5.0MB

Download
memory/4316-118-0x0000000004B10000-0x0000000004B11000-memory.dmp

Filesize
4KB

Download
memory/4316-117-0x0000000005110000-0x0000000005111000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads