xpertrat | 28b2e9be250b41e1f4ec167dff3620f09597b7292ad23f0c48a8d6cdcc388959

General

Target

RFQ_#76242788162.exe
Size

179KB
MD5

441ef18a2da7b635c7861e9a502a938b
SHA1

63721215f57495860838e078f0bb73d00ce4817a
SHA256

28b2e9be250b41e1f4ec167dff3620f09597b7292ad23f0c48a8d6cdcc388959
SHA512

e59fe8c48c52405ca03bf2f8ae63eb24dd236411e2ef0210ab8a1cd26faf906d0b13dd4f76ca9816e98b4bbbf8a7e8ed57588c631d9667119e1396525e95dd94

Score

10^/10

xpertrat special x evasion persistence rat trojan

Malware Config

Extracted

Family

xpertrat

Version

3.0.10

Botnet

special X

C2

zytriew.duckdns.org:4141

Mutex

Y6K1I7G5-B5F3-V3F4-S5A6-T0V116U8H550

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

XpertRAT Core Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2064-14-0x0000000000400000-0x0000000000443000-memory.dmp	xpertrat
behavioral2/memory/2064-15-0x0000000000401364-mapping.dmp	xpertrat
behavioral2/memory/2064-16-0x0000000000400000-0x0000000000443000-memory.dmp	xpertrat

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\Y6K1I7G5-B5F3-V3F4-S5A6-T0V116U8H550 = "C:\\Users\\Admin\\AppData\\Roaming\\Y6K1I7G5-B5F3-V3F4-S5A6-T0V116U8H550\\Y6K1I7G5-B5F3-V3F4-S5A6-T0V116U8H550.exe"	iexplore.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	iexplore.exe

Windows security modification 2 TTPs 1 IoCs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

RFQ_#76242788162.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" RFQ_#76242788162.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	RFQ_#76242788162.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-1-5-21-2066881839-3229799743-3576549721-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run\Y6K1I7G5-B5F3-V3F4-S5A6-T0V116U8H550 = "C:\\Users\\Admin\\AppData\\Roaming\\Y6K1I7G5-B5F3-V3F4-S5A6-T0V116U8H550\\Y6K1I7G5-B5F3-V3F4-S5A6-T0V116U8H550.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\Y6K1I7G5-B5F3-V3F4-S5A6-T0V116U8H550 = "C:\\Users\\Admin\\AppData\\Roaming\\Y6K1I7G5-B5F3-V3F4-S5A6-T0V116U8H550\\Y6K1I7G5-B5F3-V3F4-S5A6-T0V116U8H550.exe"	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RFQ_#76242788162.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" RFQ_#76242788162.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	RFQ_#76242788162.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs

Processes:

RFQ_#76242788162.exe

pid	process
720	RFQ_#76242788162.exe
720	RFQ_#76242788162.exe
720	RFQ_#76242788162.exe
720	RFQ_#76242788162.exe
720	RFQ_#76242788162.exe
720	RFQ_#76242788162.exe
720	RFQ_#76242788162.exe
720	RFQ_#76242788162.exe
720	RFQ_#76242788162.exe
720	RFQ_#76242788162.exe
720	RFQ_#76242788162.exe
720	RFQ_#76242788162.exe
720	RFQ_#76242788162.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

RFQ_#76242788162.exeRFQ_#76242788162.exe

description	pid	process	target process
PID 720 set thread context of 1752	720	RFQ_#76242788162.exe	RFQ_#76242788162.exe
PID 1752 set thread context of 2064	1752	RFQ_#76242788162.exe	iexplore.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2368 720 WerFault.exe RFQ_#76242788162.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2996 timeout.exe

pid	pid_target	process	target process
2368	720	WerFault.exe	RFQ_#76242788162.exe

pid	process
2996	timeout.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

RFQ_#76242788162.exeRFQ_#76242788162.exeWerFault.exe

pid	process
720	RFQ_#76242788162.exe
720	RFQ_#76242788162.exe
720	RFQ_#76242788162.exe
1752	RFQ_#76242788162.exe
1752	RFQ_#76242788162.exe
2368	WerFault.exe
2368	WerFault.exe
2368	WerFault.exe
2368	WerFault.exe
2368	WerFault.exe
2368	WerFault.exe
2368	WerFault.exe
2368	WerFault.exe
2368	WerFault.exe
2368	WerFault.exe
2368	WerFault.exe
2368	WerFault.exe
2368	WerFault.exe
2368	WerFault.exe
1752	RFQ_#76242788162.exe
1752	RFQ_#76242788162.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

RFQ_#76242788162.exeWerFault.exeiexplore.exe

description	pid	process
Token: SeDebugPrivilege	720	RFQ_#76242788162.exe
Token: SeRestorePrivilege	2368	WerFault.exe
Token: SeBackupPrivilege	2368	WerFault.exe
Token: SeDebugPrivilege	2064	iexplore.exe
Token: SeDebugPrivilege	2368	WerFault.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RFQ_#76242788162.exeiexplore.exe

pid process

1752 RFQ_#76242788162.exe
2064 iexplore.exe

pid	process
1752	RFQ_#76242788162.exe
2064	iexplore.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

RFQ_#76242788162.exeRFQ_#76242788162.exe

description	pid	process	target process
PID 720 wrote to memory of 2996	720	RFQ_#76242788162.exe	timeout.exe
PID 720 wrote to memory of 2996	720	RFQ_#76242788162.exe	timeout.exe
PID 720 wrote to memory of 2996	720	RFQ_#76242788162.exe	timeout.exe
PID 720 wrote to memory of 1752	720	RFQ_#76242788162.exe	RFQ_#76242788162.exe
PID 720 wrote to memory of 1752	720	RFQ_#76242788162.exe	RFQ_#76242788162.exe
PID 720 wrote to memory of 1752	720	RFQ_#76242788162.exe	RFQ_#76242788162.exe
PID 720 wrote to memory of 1752	720	RFQ_#76242788162.exe	RFQ_#76242788162.exe
PID 720 wrote to memory of 1752	720	RFQ_#76242788162.exe	RFQ_#76242788162.exe
PID 720 wrote to memory of 1752	720	RFQ_#76242788162.exe	RFQ_#76242788162.exe
PID 720 wrote to memory of 1752	720	RFQ_#76242788162.exe	RFQ_#76242788162.exe
PID 1752 wrote to memory of 2064	1752	RFQ_#76242788162.exe	iexplore.exe
PID 1752 wrote to memory of 2064	1752	RFQ_#76242788162.exe	iexplore.exe
PID 1752 wrote to memory of 2064	1752	RFQ_#76242788162.exe	iexplore.exe
PID 1752 wrote to memory of 2064	1752	RFQ_#76242788162.exe	iexplore.exe
PID 1752 wrote to memory of 2064	1752	RFQ_#76242788162.exe	iexplore.exe
PID 1752 wrote to memory of 2064	1752	RFQ_#76242788162.exe	iexplore.exe
PID 1752 wrote to memory of 2064	1752	RFQ_#76242788162.exe	iexplore.exe
PID 1752 wrote to memory of 2064	1752	RFQ_#76242788162.exe	iexplore.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

RFQ_#76242788162.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" RFQ_#76242788162.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	RFQ_#76242788162.exe

C:\Users\Admin\AppData\Local\Temp\RFQ_#76242788162.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ_#76242788162.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:720

C:\Windows\SysWOW64\timeout.exe
timeout 4
2⤵
- Delays execution with timeout.exe
PID:2996

C:\Users\Admin\AppData\Local\Temp\RFQ_#76242788162.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ_#76242788162.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:1752

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\RFQ_#76242788162.exe
3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 720 -s 1816
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2368

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

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/720-8-0x00000000071F0000-0x0000000007228000-memory.dmp

Filesize
224KB

Download
memory/720-1-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

Filesize
4KB

Download
memory/720-3-0x00000000054A0000-0x00000000054A1000-memory.dmp

Filesize
4KB

Download
memory/720-4-0x0000000005B80000-0x0000000005B81000-memory.dmp

Filesize
4KB

Download
memory/720-5-0x0000000005780000-0x0000000005781000-memory.dmp

Filesize
4KB

Download
memory/720-0-0x0000000073D30000-0x000000007441E000-memory.dmp

Filesize
6.9MB

Download
memory/720-7-0x00000000053C0000-0x00000000053C1000-memory.dmp

Filesize
4KB

Download
memory/1752-9-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1752-10-0x00000000004010B8-mapping.dmp

Download
memory/1752-11-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2064-14-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2064-15-0x0000000000401364-mapping.dmp

Download
memory/2064-16-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2368-17-0x0000000004950000-0x0000000004951000-memory.dmp

Filesize
4KB

Download
memory/2368-20-0x0000000005090000-0x0000000005091000-memory.dmp

Filesize
4KB

Download
memory/2996-6-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads