xpertrat | a399cf91b76479c1dd9381dfffb1521b69822894d8862ef00273878546b2a9d7

General

Target

RFQ#00439811.exe
Size

495KB
MD5

d14619b1c5ca20c8e78749949ce6855b
SHA1

6118f6e8a6fc209cce15c8019d5684902579e12d
SHA256

a399cf91b76479c1dd9381dfffb1521b69822894d8862ef00273878546b2a9d7
SHA512

734fee664a84b7c092db72586add7b4238f01e71328936121fb4e4d6c22f10bb066609ff5e0fde6b35f96af895b4afcd334b751e82a396b47f935ad80372ebaa

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
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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	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:

RFQ#00439811.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	RFQ#00439811.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	RFQ#00439811.exe

Windows security modification 2 TTPs 1 IoCs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

RFQ#00439811.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" RFQ#00439811.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	RFQ#00439811.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-1-5-21-2955169046-2371869340-1800780948-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\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:

RFQ#00439811.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" RFQ#00439811.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	RFQ#00439811.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:

RFQ#00439811.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	RFQ#00439811.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	RFQ#00439811.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

RFQ#00439811.exeRFQ#00439811.exe

description	pid	process	target process
PID 320 set thread context of 1868	320	RFQ#00439811.exe	RFQ#00439811.exe
PID 1868 set thread context of 664	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 set thread context of 1452	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 set thread context of 2008	1868	RFQ#00439811.exe	iexplore.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

RFQ#00439811.exeRFQ#00439811.exe

pid process

320 RFQ#00439811.exe
320 RFQ#00439811.exe
1868 RFQ#00439811.exe
1868 RFQ#00439811.exe
1868 RFQ#00439811.exe
1868 RFQ#00439811.exe
1868 RFQ#00439811.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RFQ#00439811.exeiexplore.exe

description pid process

Token: SeDebugPrivilege 320 RFQ#00439811.exe
Token: SeDebugPrivilege 2008 iexplore.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RFQ#00439811.exeiexplore.exe

pid process

1868 RFQ#00439811.exe
2008 iexplore.exe

pid	process
320	RFQ#00439811.exe
320	RFQ#00439811.exe
1868	RFQ#00439811.exe
1868	RFQ#00439811.exe
1868	RFQ#00439811.exe
1868	RFQ#00439811.exe
1868	RFQ#00439811.exe

description	pid	process
Token: SeDebugPrivilege	320	RFQ#00439811.exe
Token: SeDebugPrivilege	2008	iexplore.exe

pid	process
1868	RFQ#00439811.exe
2008	iexplore.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

RFQ#00439811.exeRFQ#00439811.exe

description	pid	process	target process
PID 320 wrote to memory of 1976	320	RFQ#00439811.exe	RFQ#00439811.exe
PID 320 wrote to memory of 1976	320	RFQ#00439811.exe	RFQ#00439811.exe
PID 320 wrote to memory of 1976	320	RFQ#00439811.exe	RFQ#00439811.exe
PID 320 wrote to memory of 1976	320	RFQ#00439811.exe	RFQ#00439811.exe
PID 320 wrote to memory of 1868	320	RFQ#00439811.exe	RFQ#00439811.exe
PID 320 wrote to memory of 1868	320	RFQ#00439811.exe	RFQ#00439811.exe
PID 320 wrote to memory of 1868	320	RFQ#00439811.exe	RFQ#00439811.exe
PID 320 wrote to memory of 1868	320	RFQ#00439811.exe	RFQ#00439811.exe
PID 320 wrote to memory of 1868	320	RFQ#00439811.exe	RFQ#00439811.exe
PID 320 wrote to memory of 1868	320	RFQ#00439811.exe	RFQ#00439811.exe
PID 320 wrote to memory of 1868	320	RFQ#00439811.exe	RFQ#00439811.exe
PID 320 wrote to memory of 1868	320	RFQ#00439811.exe	RFQ#00439811.exe
PID 1868 wrote to memory of 664	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 664	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 664	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 664	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 664	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 664	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 664	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 664	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 664	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 1452	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 1452	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 1452	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 1452	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 1452	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 1452	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 1452	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 1452	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 1452	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 2008	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 2008	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 2008	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 2008	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 2008	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 2008	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 2008	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 2008	1868	RFQ#00439811.exe	iexplore.exe
PID 1868 wrote to memory of 2008	1868	RFQ#00439811.exe	iexplore.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

RFQ#00439811.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" RFQ#00439811.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	RFQ#00439811.exe

C:\Users\Admin\AppData\Local\Temp\RFQ#00439811.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ#00439811.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:320

C:\Users\Admin\AppData\Local\Temp\RFQ#00439811.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ#00439811.exe"
2⤵
PID:1976

C:\Users\Admin\AppData\Local\Temp\RFQ#00439811.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ#00439811.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:1868

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\RFQ#00439811.exe
3⤵
PID:664

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\RFQ#00439811.exe
3⤵
PID:1452

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\RFQ#00439811.exe
3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2008

Network

MITRE ATT&CK Matrix ATT&CK 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

3

T1089

Modify Registry

6

T1112

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/320-57-0x00000000768A1000-0x00000000768A3000-memory.dmp

Filesize
8KB

Download
memory/320-58-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/320-59-0x0000000000490000-0x0000000000494000-memory.dmp

Filesize
16KB

Download
memory/320-60-0x0000000005290000-0x00000000052EC000-memory.dmp

Filesize
368KB

Download
memory/320-55-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/664-68-0x0000000000401364-mapping.dmp

Download
memory/1452-69-0x0000000000401364-mapping.dmp

Download
memory/1868-62-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1868-64-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1868-65-0x00000000004010B8-mapping.dmp

Download
memory/1868-66-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/1868-67-0x00000000000F0000-0x00000000000FA000-memory.dmp

Filesize
40KB

Download
memory/1868-63-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1868-61-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2008-70-0x0000000000401364-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads