xpertrat | 70e2f9d2aa6647aaa726f610cbba7333ae7fd71294d5f50647bcbde5c84720e9

General

Target

EDG9532020061711000056_32859_pdf.exe
Size

317KB
MD5

2778a85862dc9ac764541a0c34dce584
SHA1

123bb7ddd48aca7c531ba892146157708754f463
SHA256

9464eba54dd22af19c810637f246d9f6239a74f38ace5efddfbe8e37c5c64768
SHA512

8a09bb6b83ea66d3e0e3f3166acc2276413e4b0fce84c024754e73a5d915fe1a577523c63cbd9cad325d0a6809156d0aa9f0be003bd0f5af03487e85f2c75f4d

Score

10^/10

xpertrat 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\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8 = "C:\\Users\\Admin\\AppData\\Roaming\\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8\\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8.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:

EDG9532020061711000056_32859_pdf.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	EDG9532020061711000056_32859_pdf.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-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8 = "C:\\Users\\Admin\\AppData\\Roaming\\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8\\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8.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\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8 = "C:\\Users\\Admin\\AppData\\Roaming\\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8\\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8.exe"	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

EDG9532020061711000056_32859_pdf.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	EDG9532020061711000056_32859_pdf.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

EDG9532020061711000056_32859_pdf.exeEDG9532020061711000056_32859_pdf.exe

description	pid	process	target process
PID 1596 set thread context of 2404	1596	EDG9532020061711000056_32859_pdf.exe	EDG9532020061711000056_32859_pdf.exe
PID 2404 set thread context of 4956	2404	EDG9532020061711000056_32859_pdf.exe	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

EDG9532020061711000056_32859_pdf.exe

pid	process
2404	EDG9532020061711000056_32859_pdf.exe
2404	EDG9532020061711000056_32859_pdf.exe
2404	EDG9532020061711000056_32859_pdf.exe
2404	EDG9532020061711000056_32859_pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

iexplore.exe

description pid process

Token: SeDebugPrivilege 4956 iexplore.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

EDG9532020061711000056_32859_pdf.exeiexplore.exe

pid process

2404 EDG9532020061711000056_32859_pdf.exe
4956 iexplore.exe

description	pid	process
Token: SeDebugPrivilege	4956	iexplore.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

EDG9532020061711000056_32859_pdf.exeEDG9532020061711000056_32859_pdf.exe

description	pid	process	target process
PID 1596 wrote to memory of 2404	1596	EDG9532020061711000056_32859_pdf.exe	EDG9532020061711000056_32859_pdf.exe
PID 1596 wrote to memory of 2404	1596	EDG9532020061711000056_32859_pdf.exe	EDG9532020061711000056_32859_pdf.exe
PID 1596 wrote to memory of 2404	1596	EDG9532020061711000056_32859_pdf.exe	EDG9532020061711000056_32859_pdf.exe
PID 1596 wrote to memory of 2404	1596	EDG9532020061711000056_32859_pdf.exe	EDG9532020061711000056_32859_pdf.exe
PID 1596 wrote to memory of 2404	1596	EDG9532020061711000056_32859_pdf.exe	EDG9532020061711000056_32859_pdf.exe
PID 1596 wrote to memory of 2404	1596	EDG9532020061711000056_32859_pdf.exe	EDG9532020061711000056_32859_pdf.exe
PID 1596 wrote to memory of 2404	1596	EDG9532020061711000056_32859_pdf.exe	EDG9532020061711000056_32859_pdf.exe
PID 2404 wrote to memory of 4956	2404	EDG9532020061711000056_32859_pdf.exe	iexplore.exe
PID 2404 wrote to memory of 4956	2404	EDG9532020061711000056_32859_pdf.exe	iexplore.exe
PID 2404 wrote to memory of 4956	2404	EDG9532020061711000056_32859_pdf.exe	iexplore.exe
PID 2404 wrote to memory of 4956	2404	EDG9532020061711000056_32859_pdf.exe	iexplore.exe
PID 2404 wrote to memory of 4956	2404	EDG9532020061711000056_32859_pdf.exe	iexplore.exe
PID 2404 wrote to memory of 4956	2404	EDG9532020061711000056_32859_pdf.exe	iexplore.exe
PID 2404 wrote to memory of 4956	2404	EDG9532020061711000056_32859_pdf.exe	iexplore.exe
PID 2404 wrote to memory of 4956	2404	EDG9532020061711000056_32859_pdf.exe	iexplore.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

EDG9532020061711000056_32859_pdf.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	EDG9532020061711000056_32859_pdf.exe

C:\Users\Admin\AppData\Local\Temp\EDG9532020061711000056_32859_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\EDG9532020061711000056_32859_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1596

C:\Users\Admin\AppData\Local\Temp\EDG9532020061711000056_32859_pdf.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:2404

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\EDG9532020061711000056_32859_pdf.exe
3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4956

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/1596-130-0x00000000000C0000-0x0000000000116000-memory.dmp

Filesize
344KB

Download
memory/1596-131-0x0000000004A80000-0x0000000004B12000-memory.dmp

Filesize
584KB

Download
memory/1596-132-0x0000000004B20000-0x0000000004BBC000-memory.dmp

Filesize
624KB

Download
memory/1596-133-0x0000000005760000-0x0000000005D04000-memory.dmp

Filesize
5.6MB

Download
memory/2404-134-0x0000000000000000-mapping.dmp

Download
memory/2404-135-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2404-137-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2404-140-0x0000000000400000-0x000000000042C000-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