xpertrat | 1caa0c0cf4ebf43877c706c82a15ef218e09063e1e5d6a806b625f8a0e5e3b0d

General

Target

Specification 788919754.pdf img ind.exe
Size

411KB
MD5

b93e8fe38d0df20ba517b9d531660a4e
SHA1

ebc70668346f27b9c31759b335c3f6cb619c71b5
SHA256

293bf5eeec6d5d30ee3b3d26f73d6cb81f4e080a449774fc8d2c3a724454f521
SHA512

fa07022ab0d2d48066017e8283a9adab2fa2f8aebac2113ec451bd5b339639d0771fd975a92072bdabb24c24f4f40c25707aa9ec3d906104db9c59ba6ddf675d

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5 = "C:\\Users\\Admin\\AppData\\Roaming\\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5\\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5.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:

Specification 788919754.pdf img ind.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	Specification 788919754.pdf img ind.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

iexplore.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5 = "C:\\Users\\Admin\\AppData\\Roaming\\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5\\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5.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\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5 = "C:\\Users\\Admin\\AppData\\Roaming\\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5\\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5.exe"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Specification 788919754.pdf img ind.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Specification 788919754.pdf img ind.exe

Program crash 3 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exe

pid pid_target process target process

3748 956 WerFault.exe iexplore.exe
2516 3324 WerFault.exe iexplore.exe
2908 552 WerFault.exe iexplore.exe

pid	pid_target	process	target process
3748	956	WerFault.exe	iexplore.exe
2516	3324	WerFault.exe	iexplore.exe
2908	552	WerFault.exe	iexplore.exe

Suspicious use of SetThreadContext 10 IoCs

Processes:

Specification 788919754.pdf img ind.exeSpecification 788919754.pdf img ind.exeiexplore.exe

description	pid	process	target process
PID 636 set thread context of 2612	636	Specification 788919754.pdf img ind.exe	Specification 788919754.pdf img ind.exe
PID 2612 set thread context of 1836	2612	Specification 788919754.pdf img ind.exe	iexplore.exe
PID 1836 set thread context of 2388	1836	iexplore.exe	iexplore.exe
PID 1836 set thread context of 956	1836	iexplore.exe	iexplore.exe
PID 1836 set thread context of 3324	1836	iexplore.exe	iexplore.exe
PID 1836 set thread context of 4380	1836	iexplore.exe	iexplore.exe
PID 1836 set thread context of 4668	1836	iexplore.exe	iexplore.exe
PID 1836 set thread context of 1236	1836	iexplore.exe	iexplore.exe
PID 1836 set thread context of 552	1836	iexplore.exe	iexplore.exe
PID 1836 set thread context of 556	1836	iexplore.exe	iexplore.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

Specification 788919754.pdf img ind.exeSpecification 788919754.pdf img ind.exeiexplore.exeiexplore.exe

pid	process
636	Specification 788919754.pdf img ind.exe
636	Specification 788919754.pdf img ind.exe
636	Specification 788919754.pdf img ind.exe
2612	Specification 788919754.pdf img ind.exe
2612	Specification 788919754.pdf img ind.exe
2388	iexplore.exe
2388	iexplore.exe
2612	Specification 788919754.pdf img ind.exe
2612	Specification 788919754.pdf img ind.exe
4668	iexplore.exe
4668	iexplore.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Specification 788919754.pdf img ind.exeiexplore.exeiexplore.exe

description	pid	process
Token: SeDebugPrivilege	636	Specification 788919754.pdf img ind.exe
Token: SeDebugPrivilege	1836	iexplore.exe
Token: SeDebugPrivilege	2388	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

Specification 788919754.pdf img ind.exeiexplore.exe

pid process

2612 Specification 788919754.pdf img ind.exe
1836 iexplore.exe

pid	process
2612	Specification 788919754.pdf img ind.exe
1836	iexplore.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

Specification 788919754.pdf img ind.exeSpecification 788919754.pdf img ind.exeiexplore.exe

description	pid	process	target process
PID 636 wrote to memory of 2612	636	Specification 788919754.pdf img ind.exe	Specification 788919754.pdf img ind.exe
PID 636 wrote to memory of 2612	636	Specification 788919754.pdf img ind.exe	Specification 788919754.pdf img ind.exe
PID 636 wrote to memory of 2612	636	Specification 788919754.pdf img ind.exe	Specification 788919754.pdf img ind.exe
PID 636 wrote to memory of 2612	636	Specification 788919754.pdf img ind.exe	Specification 788919754.pdf img ind.exe
PID 636 wrote to memory of 2612	636	Specification 788919754.pdf img ind.exe	Specification 788919754.pdf img ind.exe
PID 636 wrote to memory of 2612	636	Specification 788919754.pdf img ind.exe	Specification 788919754.pdf img ind.exe
PID 636 wrote to memory of 2612	636	Specification 788919754.pdf img ind.exe	Specification 788919754.pdf img ind.exe
PID 2612 wrote to memory of 1836	2612	Specification 788919754.pdf img ind.exe	iexplore.exe
PID 2612 wrote to memory of 1836	2612	Specification 788919754.pdf img ind.exe	iexplore.exe
PID 2612 wrote to memory of 1836	2612	Specification 788919754.pdf img ind.exe	iexplore.exe
PID 2612 wrote to memory of 1836	2612	Specification 788919754.pdf img ind.exe	iexplore.exe
PID 2612 wrote to memory of 1836	2612	Specification 788919754.pdf img ind.exe	iexplore.exe
PID 2612 wrote to memory of 1836	2612	Specification 788919754.pdf img ind.exe	iexplore.exe
PID 2612 wrote to memory of 1836	2612	Specification 788919754.pdf img ind.exe	iexplore.exe
PID 2612 wrote to memory of 1836	2612	Specification 788919754.pdf img ind.exe	iexplore.exe
PID 1836 wrote to memory of 2388	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 2388	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 2388	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 2388	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 2388	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 2388	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 2388	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 2388	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 956	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 956	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 956	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 956	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 956	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 956	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 956	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 956	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 956	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 3324	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 3324	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 3324	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 3324	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 3324	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 3324	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 3324	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 3324	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 3324	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4380	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4380	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4380	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4380	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4380	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4380	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4380	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4380	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4380	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4668	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4668	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4668	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4668	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4668	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4668	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4668	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4668	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 4668	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 1236	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 1236	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 1236	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 1236	1836	iexplore.exe	iexplore.exe
PID 1836 wrote to memory of 1236	1836	iexplore.exe	iexplore.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

Specification 788919754.pdf img ind.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Specification 788919754.pdf img ind.exe

C:\Users\Admin\AppData\Local\Temp\Specification 788919754.pdf img ind.exe
"C:\Users\Admin\AppData\Local\Temp\Specification 788919754.pdf img ind.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:636

C:\Users\Admin\AppData\Local\Temp\Specification 788919754.pdf img ind.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:2612

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\Specification 788919754.pdf img ind.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:1836

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5\xyeyajuoy0.txt"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2388

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5\xyeyajuoy1.txt"
4⤵
PID:956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 84
5⤵
- Program crash
PID:3748

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5\xyeyajuoy1.txt"
4⤵
PID:3324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3324 -s 20
5⤵
- Program crash
PID:2516

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5\xyeyajuoy1.txt"
4⤵
- Accesses Microsoft Outlook accounts
PID:4380

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5\xyeyajuoy2.txt"
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:4668

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5\xyeyajuoy3.txt"
4⤵
PID:1236

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5\xyeyajuoy4.txt"
4⤵
PID:552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 552 -s 84
5⤵
- Program crash
PID:2908

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5\xyeyajuoy4.txt"
4⤵
PID:556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 956 -ip 956
1⤵
PID:2268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3324 -ip 3324
1⤵
PID:1828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 552 -ip 552
1⤵
PID:4700

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

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5\xyeyajuoy2.txt
Filesize
3KB

MD5
f94dc819ca773f1e3cb27abbc9e7fa27

SHA1
9a7700efadc5ea09ab288544ef1e3cd876255086

SHA256
a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

SHA512
72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

Download Submit
C:\Users\Admin\AppData\Roaming\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5\xyeyajuoy4.txt
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/636-130-0x0000000000200000-0x000000000026C000-memory.dmp

Filesize
432KB

Download
memory/636-131-0x0000000007650000-0x0000000007BF4000-memory.dmp

Filesize
5.6MB

Download
memory/636-132-0x0000000007140000-0x00000000071D2000-memory.dmp

Filesize
584KB

Download
memory/636-133-0x00000000070F0000-0x00000000070FA000-memory.dmp

Filesize
40KB

Download
memory/636-134-0x0000000007450000-0x00000000074EC000-memory.dmp

Filesize
624KB

Download
memory/2612-135-0x0000000000000000-mapping.dmp

Download
memory/2612-136-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2612-138-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2612-141-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads