xpertrat | e4324629a9700691321d6212152a1c2080bc3422bda11c8173633744c753a122

General

Target

95aa92ec032cf7b52020f9174c77e66d.exe
Size

1.8MB
MD5

95aa92ec032cf7b52020f9174c77e66d
SHA1

b4b15beb08b310b451ccd8374f94fe817b2c28e5
SHA256

e4324629a9700691321d6212152a1c2080bc3422bda11c8173633744c753a122
SHA512

ca8e6e16375853698bdddf482c6937b99e6262baa7d4334bb9b2fe100d5a5409bd726a421a56d5dee764a8da0509a8a8421d6f3603d8a8d228a64eff400b3dab

Score

10^/10

xpertrat test evasion persistence rat trojan

Malware Config

Extracted

Family

xpertrat

Version

3.0.10

Botnet

Test

C2

79.134.225.47:4576

79.134.225.47:7583

Mutex

W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1

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
behavioral1/memory/1080-10-0x0000000000400000-0x0000000000443000-memory.dmp	xpertrat
behavioral1/memory/1080-11-0x0000000000401364-mapping.dmp	xpertrat
behavioral1/memory/1080-12-0x0000000000400000-0x0000000000443000-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
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\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1 = "C:\\Users\\Admin\\AppData\\Roaming\\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1\\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1.exe"	iexplore.exe

Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

552 notepad.exe

pid	process
552	notepad.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

95aa92ec032cf7b52020f9174c77e66d.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	95aa92ec032cf7b52020f9174c77e66d.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1 = "C:\\Users\\Admin\\AppData\\Roaming\\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1\\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1.exe"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1 = "C:\\Users\\Admin\\AppData\\Roaming\\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1\\W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1.exe"	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

95aa92ec032cf7b52020f9174c77e66d.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	95aa92ec032cf7b52020f9174c77e66d.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

95aa92ec032cf7b52020f9174c77e66d.exe95aa92ec032cf7b52020f9174c77e66d.exe

description	pid	process	target process
PID 1068 set thread context of 1652	1068	95aa92ec032cf7b52020f9174c77e66d.exe	95aa92ec032cf7b52020f9174c77e66d.exe
PID 1652 set thread context of 1080	1652	95aa92ec032cf7b52020f9174c77e66d.exe	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

95aa92ec032cf7b52020f9174c77e66d.exe

pid	process
1652	95aa92ec032cf7b52020f9174c77e66d.exe
1652	95aa92ec032cf7b52020f9174c77e66d.exe
1652	95aa92ec032cf7b52020f9174c77e66d.exe
1652	95aa92ec032cf7b52020f9174c77e66d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

95aa92ec032cf7b52020f9174c77e66d.exeiexplore.exe

description pid process

Token: SeDebugPrivilege 1068 95aa92ec032cf7b52020f9174c77e66d.exe
Token: SeDebugPrivilege 1080 iexplore.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

95aa92ec032cf7b52020f9174c77e66d.exeiexplore.exe

pid process

1652 95aa92ec032cf7b52020f9174c77e66d.exe
1080 iexplore.exe

description	pid	process
Token: SeDebugPrivilege	1068	95aa92ec032cf7b52020f9174c77e66d.exe
Token: SeDebugPrivilege	1080	iexplore.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

95aa92ec032cf7b52020f9174c77e66d.exe95aa92ec032cf7b52020f9174c77e66d.exeiexplore.exe

description	pid	process	target process
PID 1068 wrote to memory of 1652	1068	95aa92ec032cf7b52020f9174c77e66d.exe	95aa92ec032cf7b52020f9174c77e66d.exe
PID 1068 wrote to memory of 1652	1068	95aa92ec032cf7b52020f9174c77e66d.exe	95aa92ec032cf7b52020f9174c77e66d.exe
PID 1068 wrote to memory of 1652	1068	95aa92ec032cf7b52020f9174c77e66d.exe	95aa92ec032cf7b52020f9174c77e66d.exe
PID 1068 wrote to memory of 1652	1068	95aa92ec032cf7b52020f9174c77e66d.exe	95aa92ec032cf7b52020f9174c77e66d.exe
PID 1068 wrote to memory of 1652	1068	95aa92ec032cf7b52020f9174c77e66d.exe	95aa92ec032cf7b52020f9174c77e66d.exe
PID 1068 wrote to memory of 1652	1068	95aa92ec032cf7b52020f9174c77e66d.exe	95aa92ec032cf7b52020f9174c77e66d.exe
PID 1068 wrote to memory of 1652	1068	95aa92ec032cf7b52020f9174c77e66d.exe	95aa92ec032cf7b52020f9174c77e66d.exe
PID 1068 wrote to memory of 1652	1068	95aa92ec032cf7b52020f9174c77e66d.exe	95aa92ec032cf7b52020f9174c77e66d.exe
PID 1652 wrote to memory of 1080	1652	95aa92ec032cf7b52020f9174c77e66d.exe	iexplore.exe
PID 1652 wrote to memory of 1080	1652	95aa92ec032cf7b52020f9174c77e66d.exe	iexplore.exe
PID 1652 wrote to memory of 1080	1652	95aa92ec032cf7b52020f9174c77e66d.exe	iexplore.exe
PID 1652 wrote to memory of 1080	1652	95aa92ec032cf7b52020f9174c77e66d.exe	iexplore.exe
PID 1652 wrote to memory of 1080	1652	95aa92ec032cf7b52020f9174c77e66d.exe	iexplore.exe
PID 1652 wrote to memory of 1080	1652	95aa92ec032cf7b52020f9174c77e66d.exe	iexplore.exe
PID 1652 wrote to memory of 1080	1652	95aa92ec032cf7b52020f9174c77e66d.exe	iexplore.exe
PID 1652 wrote to memory of 1080	1652	95aa92ec032cf7b52020f9174c77e66d.exe	iexplore.exe
PID 1652 wrote to memory of 1080	1652	95aa92ec032cf7b52020f9174c77e66d.exe	iexplore.exe
PID 1080 wrote to memory of 552	1080	iexplore.exe	notepad.exe
PID 1080 wrote to memory of 552	1080	iexplore.exe	notepad.exe
PID 1080 wrote to memory of 552	1080	iexplore.exe	notepad.exe
PID 1080 wrote to memory of 552	1080	iexplore.exe	notepad.exe
PID 1080 wrote to memory of 552	1080	iexplore.exe	notepad.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

95aa92ec032cf7b52020f9174c77e66d.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	95aa92ec032cf7b52020f9174c77e66d.exe

C:\Users\Admin\AppData\Local\Temp\95aa92ec032cf7b52020f9174c77e66d.exe
"C:\Users\Admin\AppData\Local\Temp\95aa92ec032cf7b52020f9174c77e66d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1068

C:\Users\Admin\AppData\Local\Temp\95aa92ec032cf7b52020f9174c77e66d.exe
"C:\Users\Admin\AppData\Local\Temp\95aa92ec032cf7b52020f9174c77e66d.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:1652

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\95aa92ec032cf7b52020f9174c77e66d.exe
3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1080

C:\Windows\SysWOW64\notepad.exe
notepad.exe
4⤵
- Deletes itself
PID:552

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/552-15-0x0000000000000000-mapping.dmp

Download
memory/1068-0-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/1068-1-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

Filesize
4KB

Download
memory/1068-3-0x0000000000AC0000-0x0000000000B1A000-memory.dmp

Filesize
360KB

Download
memory/1068-4-0x0000000000650000-0x0000000000666000-memory.dmp

Filesize
88KB

Download
memory/1080-10-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1080-11-0x0000000000401364-mapping.dmp

Download
memory/1080-12-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1652-5-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1652-6-0x00000000004010B8-mapping.dmp

Download
memory/1652-16-0x0000000000610000-0x0000000000614000-memory.dmp

Filesize
16KB

Download
memory/1652-17-0x0000000002B90000-0x0000000002B94000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads