xpertrat | d6d4f87e9126bf6792e3774f73f9c15e308328bca3f8fcef5f5d943a0904e137

General

Target

gunzipped.exe
Size

619KB
MD5

5a31075c7e2eede32b52b7e32d16f560
SHA1

1b0325131df5e081f802f907246da4f2331d60c0
SHA256

d6d4f87e9126bf6792e3774f73f9c15e308328bca3f8fcef5f5d943a0904e137
SHA512

d785092dd4cc6ef921c3f5f8146412ae1e4fd0891ed1493c72801f31adfc3b80aac258021d6c7fe97f03e52180f92349a00a3781581801748fad7339fc13bb1d

Score

10^/10

xpertrat collection 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

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\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4 = "C:\\Users\\Admin\\AppData\\Roaming\\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4.exe"	iexplore.exe

Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

360 notepad.exe
Windows security modification 2 TTPs 1 IoCs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

gunzipped.exe

description ioc process

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

pid	process
360	notepad.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	gunzipped.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

iexplore.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	iexplore.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\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4 = "C:\\Users\\Admin\\AppData\\Roaming\\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4.exe"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4 = "C:\\Users\\Admin\\AppData\\Roaming\\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4.exe"	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

gunzipped.exe

description ioc process

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

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

Suspicious use of SetThreadContext 7 IoCs

Processes:

gunzipped.exegunzipped.exeiexplore.exe

description	pid	process	target process
PID 1980 set thread context of 528	1980	gunzipped.exe	gunzipped.exe
PID 528 set thread context of 1176	528	gunzipped.exe	iexplore.exe
PID 1176 set thread context of 812	1176	iexplore.exe	iexplore.exe
PID 1176 set thread context of 1192	1176	iexplore.exe	iexplore.exe
PID 1176 set thread context of 1464	1176	iexplore.exe	iexplore.exe
PID 1176 set thread context of 684	1176	iexplore.exe	iexplore.exe
PID 1176 set thread context of 1996	1176	iexplore.exe	iexplore.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

gunzipped.exegunzipped.exepowershell.exe

pid process

1980 gunzipped.exe
528 gunzipped.exe
1268 powershell.exe
528 gunzipped.exe

pid	process
1980	gunzipped.exe
528	gunzipped.exe
1268	powershell.exe
528	gunzipped.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

gunzipped.exeiexplore.exepowershell.exeiexplore.exe

description	pid	process
Token: SeDebugPrivilege	1980	gunzipped.exe
Token: SeDebugPrivilege	1176	iexplore.exe
Token: SeDebugPrivilege	1268	powershell.exe
Token: SeDebugPrivilege	812	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

gunzipped.exeiexplore.exe

pid process

528 gunzipped.exe
1176 iexplore.exe

pid	process
528	gunzipped.exe
1176	iexplore.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

gunzipped.exegunzipped.exeiexplore.exe

description	pid	process	target process
PID 1980 wrote to memory of 1268	1980	gunzipped.exe	powershell.exe
PID 1980 wrote to memory of 1268	1980	gunzipped.exe	powershell.exe
PID 1980 wrote to memory of 1268	1980	gunzipped.exe	powershell.exe
PID 1980 wrote to memory of 1268	1980	gunzipped.exe	powershell.exe
PID 1980 wrote to memory of 1144	1980	gunzipped.exe	gunzipped.exe
PID 1980 wrote to memory of 1144	1980	gunzipped.exe	gunzipped.exe
PID 1980 wrote to memory of 1144	1980	gunzipped.exe	gunzipped.exe
PID 1980 wrote to memory of 1144	1980	gunzipped.exe	gunzipped.exe
PID 1980 wrote to memory of 528	1980	gunzipped.exe	gunzipped.exe
PID 1980 wrote to memory of 528	1980	gunzipped.exe	gunzipped.exe
PID 1980 wrote to memory of 528	1980	gunzipped.exe	gunzipped.exe
PID 1980 wrote to memory of 528	1980	gunzipped.exe	gunzipped.exe
PID 1980 wrote to memory of 528	1980	gunzipped.exe	gunzipped.exe
PID 1980 wrote to memory of 528	1980	gunzipped.exe	gunzipped.exe
PID 1980 wrote to memory of 528	1980	gunzipped.exe	gunzipped.exe
PID 1980 wrote to memory of 528	1980	gunzipped.exe	gunzipped.exe
PID 528 wrote to memory of 1176	528	gunzipped.exe	iexplore.exe
PID 528 wrote to memory of 1176	528	gunzipped.exe	iexplore.exe
PID 528 wrote to memory of 1176	528	gunzipped.exe	iexplore.exe
PID 528 wrote to memory of 1176	528	gunzipped.exe	iexplore.exe
PID 528 wrote to memory of 1176	528	gunzipped.exe	iexplore.exe
PID 528 wrote to memory of 1176	528	gunzipped.exe	iexplore.exe
PID 528 wrote to memory of 1176	528	gunzipped.exe	iexplore.exe
PID 528 wrote to memory of 1176	528	gunzipped.exe	iexplore.exe
PID 528 wrote to memory of 1176	528	gunzipped.exe	iexplore.exe
PID 1176 wrote to memory of 360	1176	iexplore.exe	notepad.exe
PID 1176 wrote to memory of 360	1176	iexplore.exe	notepad.exe
PID 1176 wrote to memory of 360	1176	iexplore.exe	notepad.exe
PID 1176 wrote to memory of 360	1176	iexplore.exe	notepad.exe
PID 1176 wrote to memory of 360	1176	iexplore.exe	notepad.exe
PID 1176 wrote to memory of 812	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 812	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 812	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 812	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 812	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 812	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 812	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 812	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 812	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1192	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1192	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1192	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1192	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1192	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1192	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1192	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1192	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1192	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1192	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1464	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1464	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1464	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1464	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1464	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1464	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1464	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1464	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1464	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 1464	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 684	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 684	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 684	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 684	1176	iexplore.exe	iexplore.exe
PID 1176 wrote to memory of 684	1176	iexplore.exe	iexplore.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

gunzipped.exe

description ioc process

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

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

C:\Users\Admin\AppData\Local\Temp\gunzipped.exe
"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1980

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1268

C:\Users\Admin\AppData\Local\Temp\gunzipped.exe
"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"
2⤵
PID:1144

C:\Users\Admin\AppData\Local\Temp\gunzipped.exe
"C:\Users\Admin\AppData\Local\Temp\gunzipped.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:528

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\gunzipped.exe
3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1176

C:\Windows\SysWOW64\notepad.exe
notepad.exe
4⤵
- Deletes itself
PID:360

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\acolpqjcw0.txt"
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:812

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\acolpqjcw1.txt"
4⤵
- Accesses Microsoft Outlook accounts
PID:1192

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\acolpqjcw2.txt"
4⤵
PID:1464

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\acolpqjcw3.txt"
4⤵
PID:684

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\acolpqjcw4.txt"
4⤵
PID:1996

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

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\acolpqjcw2.txt
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\AppData\Roaming\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\acolpqjcw4.txt
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/360-74-0x0000000000000000-mapping.dmp

Download
memory/528-67-0x00000000004010B8-mapping.dmp

Download
memory/528-72-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/528-66-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/528-61-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/528-62-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/528-64-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1268-58-0x0000000000000000-mapping.dmp

Download
memory/1268-73-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/1980-59-0x0000000002280000-0x00000000022B6000-memory.dmp

Filesize
216KB

Download
memory/1980-54-0x00000000000A0000-0x0000000000142000-memory.dmp

Filesize
648KB

Download
memory/1980-57-0x0000000005D90000-0x0000000005E16000-memory.dmp

Filesize
536KB

Download
memory/1980-56-0x0000000000380000-0x0000000000388000-memory.dmp

Filesize
32KB

Download
memory/1980-55-0x00000000768D1000-0x00000000768D3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads