xpertrat | b6b8326fd527390a435242178b6a45a973c4516d831669ce7527c5d97e90ab10

General

Target

66587368e39228edf1f6034794f17579.exe
Size

419KB
MD5

66587368e39228edf1f6034794f17579
SHA1

31268b1ac9bb83c698eadf5e74f65d58b12d2a50
SHA256

b6b8326fd527390a435242178b6a45a973c4516d831669ce7527c5d97e90ab10
SHA512

fdf02be618eb51fbdafa952b2eb60801d8448f0078c2127024ae2eb4d2542fdabad14bf0e5b127bea5c891a1986ed857032d1a519f3fc537e8296b7bb6a2d9f6

Score

10^/10

xpertrat special x evasion persistence rat trojan

Malware Config

Extracted

Family

xpertrat

Version

3.0.10

Botnet

special X

C2

mertrerfeyy.duckdns.org:8494

gwtruwhgw.duckdns.org:8494

dfgrttuutii.duckdns.org:8494

Mutex

J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4

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 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1508-70-0x0000000000400000-0x0000000000443000-memory.dmp	xpertrat
behavioral1/memory/1508-71-0x0000000000401364-mapping.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
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\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4 = "C:\\Users\\Admin\\AppData\\Roaming\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4.exe"	iexplore.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

66587368e39228edf1f6034794f17579.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	66587368e39228edf1f6034794f17579.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-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4 = "C:\\Users\\Admin\\AppData\\Roaming\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4.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\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4 = "C:\\Users\\Admin\\AppData\\Roaming\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4.exe"	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

66587368e39228edf1f6034794f17579.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	66587368e39228edf1f6034794f17579.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

66587368e39228edf1f6034794f17579.exe66587368e39228edf1f6034794f17579.exe

description	pid	process	target process
PID 1208 set thread context of 1172	1208	66587368e39228edf1f6034794f17579.exe	66587368e39228edf1f6034794f17579.exe
PID 1172 set thread context of 1508	1172	66587368e39228edf1f6034794f17579.exe	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

66587368e39228edf1f6034794f17579.exe

pid	process
1172	66587368e39228edf1f6034794f17579.exe
1172	66587368e39228edf1f6034794f17579.exe
1172	66587368e39228edf1f6034794f17579.exe
1172	66587368e39228edf1f6034794f17579.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

iexplore.exe

description pid process

Token: SeDebugPrivilege 1508 iexplore.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

66587368e39228edf1f6034794f17579.exeiexplore.exe

pid process

1172 66587368e39228edf1f6034794f17579.exe
1508 iexplore.exe

description	pid	process
Token: SeDebugPrivilege	1508	iexplore.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

66587368e39228edf1f6034794f17579.exe66587368e39228edf1f6034794f17579.exe

description	pid	process	target process
PID 1208 wrote to memory of 1172	1208	66587368e39228edf1f6034794f17579.exe	66587368e39228edf1f6034794f17579.exe
PID 1208 wrote to memory of 1172	1208	66587368e39228edf1f6034794f17579.exe	66587368e39228edf1f6034794f17579.exe
PID 1208 wrote to memory of 1172	1208	66587368e39228edf1f6034794f17579.exe	66587368e39228edf1f6034794f17579.exe
PID 1208 wrote to memory of 1172	1208	66587368e39228edf1f6034794f17579.exe	66587368e39228edf1f6034794f17579.exe
PID 1208 wrote to memory of 1172	1208	66587368e39228edf1f6034794f17579.exe	66587368e39228edf1f6034794f17579.exe
PID 1208 wrote to memory of 1172	1208	66587368e39228edf1f6034794f17579.exe	66587368e39228edf1f6034794f17579.exe
PID 1208 wrote to memory of 1172	1208	66587368e39228edf1f6034794f17579.exe	66587368e39228edf1f6034794f17579.exe
PID 1208 wrote to memory of 1172	1208	66587368e39228edf1f6034794f17579.exe	66587368e39228edf1f6034794f17579.exe
PID 1172 wrote to memory of 1508	1172	66587368e39228edf1f6034794f17579.exe	iexplore.exe
PID 1172 wrote to memory of 1508	1172	66587368e39228edf1f6034794f17579.exe	iexplore.exe
PID 1172 wrote to memory of 1508	1172	66587368e39228edf1f6034794f17579.exe	iexplore.exe
PID 1172 wrote to memory of 1508	1172	66587368e39228edf1f6034794f17579.exe	iexplore.exe
PID 1172 wrote to memory of 1508	1172	66587368e39228edf1f6034794f17579.exe	iexplore.exe
PID 1172 wrote to memory of 1508	1172	66587368e39228edf1f6034794f17579.exe	iexplore.exe
PID 1172 wrote to memory of 1508	1172	66587368e39228edf1f6034794f17579.exe	iexplore.exe
PID 1172 wrote to memory of 1508	1172	66587368e39228edf1f6034794f17579.exe	iexplore.exe
PID 1172 wrote to memory of 1508	1172	66587368e39228edf1f6034794f17579.exe	iexplore.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

66587368e39228edf1f6034794f17579.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	66587368e39228edf1f6034794f17579.exe

C:\Users\Admin\AppData\Local\Temp\66587368e39228edf1f6034794f17579.exe
"C:\Users\Admin\AppData\Local\Temp\66587368e39228edf1f6034794f17579.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1208

C:\Users\Admin\AppData\Local\Temp\66587368e39228edf1f6034794f17579.exe
"{path}"
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:1172

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\66587368e39228edf1f6034794f17579.exe
3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1508

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/1172-66-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1172-67-0x00000000004010B8-mapping.dmp

Download
memory/1208-60-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

Filesize
4KB

Download
memory/1208-62-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

Filesize
4KB

Download
memory/1208-63-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/1208-64-0x00000000050F0000-0x000000000516D000-memory.dmp

Filesize
500KB

Download
memory/1208-65-0x0000000000660000-0x000000000068E000-memory.dmp

Filesize
184KB

Download
memory/1508-70-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1508-71-0x0000000000401364-mapping.dmp

Download
memory/1508-72-0x0000000000850000-0x00000000009A3000-memory.dmp

Filesize
1.3MB

Download
memory/1508-76-0x0000000076281000-0x0000000076283000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads