xpertrat | 71cd3e3afcd5a2df4cc2092f8724b24c6a8cc7e6f44f77cc8174dac0a565f98b

General

Target

nuevo pedido#23785.exe
Size

430KB
MD5

45fe143aec6a446a2bfec96054dc923c
SHA1

a00719ef783406b10e44962ee6869e6a6fcc9e0d
SHA256

71cd3e3afcd5a2df4cc2092f8724b24c6a8cc7e6f44f77cc8174dac0a565f98b
SHA512

97967ad8de22d724541b985e0beb9ac68a5bfd2884df5d408fca79318dd9259e801dcfbddaacaf34bdc25128a1a00af78230bf818ce5c24b1ae3b18c545e540b

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
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\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7 = "C:\\Users\\Admin\\AppData\\Roaming\\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7.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:

nuevo pedido#23785.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	nuevo pedido#23785.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	nuevo pedido#23785.exe

Windows security modification 2 TTPs 1 IoCs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

nuevo pedido#23785.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" nuevo pedido#23785.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	nuevo pedido#23785.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

iexplore.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\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\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7 = "C:\\Users\\Admin\\AppData\\Roaming\\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7.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\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7 = "C:\\Users\\Admin\\AppData\\Roaming\\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7.exe"	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

nuevo pedido#23785.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	nuevo pedido#23785.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:

nuevo pedido#23785.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	nuevo pedido#23785.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	nuevo pedido#23785.exe

Suspicious use of SetThreadContext 9 IoCs

Processes:

nuevo pedido#23785.exenuevo pedido#23785.exeiexplore.exe

description	pid	process	target process
PID 1892 set thread context of 1760	1892	nuevo pedido#23785.exe	nuevo pedido#23785.exe
PID 1760 set thread context of 1968	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 set thread context of 984	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 set thread context of 760	1760	nuevo pedido#23785.exe	iexplore.exe
PID 760 set thread context of 308	760	iexplore.exe	iexplore.exe
PID 760 set thread context of 1272	760	iexplore.exe	iexplore.exe
PID 760 set thread context of 1812	760	iexplore.exe	iexplore.exe
PID 760 set thread context of 1176	760	iexplore.exe	iexplore.exe
PID 760 set thread context of 1624	760	iexplore.exe	iexplore.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

nuevo pedido#23785.exe

pid process

1760 nuevo pedido#23785.exe
1760 nuevo pedido#23785.exe
1760 nuevo pedido#23785.exe
1760 nuevo pedido#23785.exe
1760 nuevo pedido#23785.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

iexplore.exeiexplore.exe

description pid process

Token: SeDebugPrivilege 760 iexplore.exe
Token: SeDebugPrivilege 308 iexplore.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

nuevo pedido#23785.exeiexplore.exe

pid process

1760 nuevo pedido#23785.exe
760 iexplore.exe

pid	process
1760	nuevo pedido#23785.exe
1760	nuevo pedido#23785.exe
1760	nuevo pedido#23785.exe
1760	nuevo pedido#23785.exe
1760	nuevo pedido#23785.exe

description	pid	process
Token: SeDebugPrivilege	760	iexplore.exe
Token: SeDebugPrivilege	308	iexplore.exe

pid	process
1760	nuevo pedido#23785.exe
760	iexplore.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

nuevo pedido#23785.exenuevo pedido#23785.exeiexplore.exe

description	pid	process	target process
PID 1892 wrote to memory of 1760	1892	nuevo pedido#23785.exe	nuevo pedido#23785.exe
PID 1892 wrote to memory of 1760	1892	nuevo pedido#23785.exe	nuevo pedido#23785.exe
PID 1892 wrote to memory of 1760	1892	nuevo pedido#23785.exe	nuevo pedido#23785.exe
PID 1892 wrote to memory of 1760	1892	nuevo pedido#23785.exe	nuevo pedido#23785.exe
PID 1892 wrote to memory of 1760	1892	nuevo pedido#23785.exe	nuevo pedido#23785.exe
PID 1892 wrote to memory of 1760	1892	nuevo pedido#23785.exe	nuevo pedido#23785.exe
PID 1892 wrote to memory of 1760	1892	nuevo pedido#23785.exe	nuevo pedido#23785.exe
PID 1892 wrote to memory of 1760	1892	nuevo pedido#23785.exe	nuevo pedido#23785.exe
PID 1760 wrote to memory of 1968	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 1968	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 1968	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 1968	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 1968	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 1968	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 1968	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 1968	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 1968	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 984	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 984	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 984	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 984	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 984	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 984	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 984	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 984	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 984	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 760	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 760	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 760	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 760	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 760	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 760	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 760	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 760	1760	nuevo pedido#23785.exe	iexplore.exe
PID 1760 wrote to memory of 760	1760	nuevo pedido#23785.exe	iexplore.exe
PID 760 wrote to memory of 308	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 308	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 308	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 308	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 308	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 308	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 308	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 308	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 308	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1272	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1272	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1272	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1272	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1272	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1272	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1272	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1272	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1272	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1272	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1812	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1812	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1812	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1812	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1812	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1812	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1812	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1812	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1812	760	iexplore.exe	iexplore.exe
PID 760 wrote to memory of 1812	760	iexplore.exe	iexplore.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

nuevo pedido#23785.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	nuevo pedido#23785.exe

C:\Users\Admin\AppData\Local\Temp\nuevo pedido#23785.exe
"C:\Users\Admin\AppData\Local\Temp\nuevo pedido#23785.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1892

C:\Users\Admin\AppData\Local\Temp\nuevo pedido#23785.exe
"C:\Users\Admin\AppData\Local\Temp\nuevo pedido#23785.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:1760

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\nuevo pedido#23785.exe
3⤵
PID:1968

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\nuevo pedido#23785.exe
3⤵
PID:984

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\nuevo pedido#23785.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:760

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\yrkxygjid0.txt"
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:308

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\yrkxygjid1.txt"
4⤵
- Accesses Microsoft Outlook accounts
PID:1272

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\yrkxygjid2.txt"
4⤵
PID:1812

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\yrkxygjid3.txt"
4⤵
PID:1176

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\yrkxygjid4.txt"
4⤵
PID:1624

Network

MITRE ATT&CK Enterprise 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

Modify Registry

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\yrkxygjid2.txt
MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\AppData\Roaming\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\yrkxygjid4.txt
MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/1760-63-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1760-60-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1760-62-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1760-61-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1760-66-0x0000000000401000-0x000000000042C000-memory.dmp

Filesize
172KB

Download
memory/1892-57-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

Filesize
4KB

Download
memory/1892-58-0x000000007EF40000-0x000000007EFA0000-memory.dmp

Filesize
384KB

Download
memory/1892-59-0x00000000047E0000-0x0000000004842000-memory.dmp

Filesize
392KB

Download
memory/1892-54-0x00000000002A0000-0x0000000000312000-memory.dmp

Filesize
456KB

Download
memory/1892-56-0x0000000000520000-0x000000000052E000-memory.dmp

Filesize
56KB

Download
memory/1892-55-0x00000000751B1000-0x00000000751B3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads