xpertrat | 59d18f1afca7fa22d68455d412c29949993c21edfb3658091bdad62093e0f818

General

Target

704ce624d4906a3cf343562b90249b58.exe
Size

759KB
MD5

704ce624d4906a3cf343562b90249b58
SHA1

c007c6fb7c85795c2cdf5b2171392dedf72a5c9e
SHA256

59d18f1afca7fa22d68455d412c29949993c21edfb3658091bdad62093e0f818
SHA512

d3c285ce095cb72dc4fb7de298bc59235ed727bb99fbe0c0eea7f4aea53b4270d707ae164866dc18eef268375b3f683e7506f3582210b59d0e1fdf6aac8e1f08

Score

10^/10

xpertrat bxk evasion persistence rat trojan

Malware Config

Extracted

Family

xpertrat

Version

3.1.9

Botnet

BXK

C2

ioxg.ix.tc:4000

Mutex

R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6

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 2 IoCs

resource	yara_rule
behavioral2/memory/2064-134-0x0000000000401364-mapping.dmp	xpertrat
behavioral2/memory/2064-132-0x0000000000400000-0x0000000000444000-memory.dmp	xpertrat

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

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\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6 = "C:\\Users\\Admin\\AppData\\Roaming\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6.exe"	iexplore.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	704ce624d4906a3cf343562b90249b58.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

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\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6 = "C:\\Users\\Admin\\AppData\\Roaming\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6.exe"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6 = "C:\\Users\\Admin\\AppData\\Roaming\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6.exe"	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	704ce624d4906a3cf343562b90249b58.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3908 set thread context of 3304	3908	704ce624d4906a3cf343562b90249b58.exe	79
PID 3304 set thread context of 2064	3304	704ce624d4906a3cf343562b90249b58.exe	80

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3908	704ce624d4906a3cf343562b90249b58.exe
3908	704ce624d4906a3cf343562b90249b58.exe
3304	704ce624d4906a3cf343562b90249b58.exe
3304	704ce624d4906a3cf343562b90249b58.exe
3304	704ce624d4906a3cf343562b90249b58.exe
3304	704ce624d4906a3cf343562b90249b58.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3908	704ce624d4906a3cf343562b90249b58.exe
Token: SeDebugPrivilege	2064	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3304	704ce624d4906a3cf343562b90249b58.exe
2064	iexplore.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 3304	3908	704ce624d4906a3cf343562b90249b58.exe	79
PID 3908 wrote to memory of 3304	3908	704ce624d4906a3cf343562b90249b58.exe	79
PID 3908 wrote to memory of 3304	3908	704ce624d4906a3cf343562b90249b58.exe	79
PID 3908 wrote to memory of 3304	3908	704ce624d4906a3cf343562b90249b58.exe	79
PID 3908 wrote to memory of 3304	3908	704ce624d4906a3cf343562b90249b58.exe	79
PID 3908 wrote to memory of 3304	3908	704ce624d4906a3cf343562b90249b58.exe	79
PID 3908 wrote to memory of 3304	3908	704ce624d4906a3cf343562b90249b58.exe	79
PID 3304 wrote to memory of 2064	3304	704ce624d4906a3cf343562b90249b58.exe	80
PID 3304 wrote to memory of 2064	3304	704ce624d4906a3cf343562b90249b58.exe	80
PID 3304 wrote to memory of 2064	3304	704ce624d4906a3cf343562b90249b58.exe	80
PID 3304 wrote to memory of 2064	3304	704ce624d4906a3cf343562b90249b58.exe	80
PID 3304 wrote to memory of 2064	3304	704ce624d4906a3cf343562b90249b58.exe	80
PID 3304 wrote to memory of 2064	3304	704ce624d4906a3cf343562b90249b58.exe	80
PID 3304 wrote to memory of 2064	3304	704ce624d4906a3cf343562b90249b58.exe	80
PID 3304 wrote to memory of 2064	3304	704ce624d4906a3cf343562b90249b58.exe	80

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	704ce624d4906a3cf343562b90249b58.exe

C:\Users\Admin\AppData\Local\Temp\704ce624d4906a3cf343562b90249b58.exe
"C:\Users\Admin\AppData\Local\Temp\704ce624d4906a3cf343562b90249b58.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3908
- C:\Users\Admin\AppData\Local\Temp\704ce624d4906a3cf343562b90249b58.exe
  C:\Users\Admin\AppData\Local\Temp\704ce624d4906a3cf343562b90249b58.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:3304
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    C:\Users\Admin\AppData\Local\Temp\704ce624d4906a3cf343562b90249b58.exe
    3⤵
    - Adds policy Run key to start application
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2064

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

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2064-138-0x00000000035B1000-0x00000000036AD000-memory.dmp

Filesize
1008KB

Download
memory/2064-137-0x00000000035B0000-0x0000000003703000-memory.dmp

Filesize
1.3MB

Download
memory/2064-132-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3304-128-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3304-133-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3908-119-0x0000000004DD0000-0x0000000004E62000-memory.dmp

Filesize
584KB

Download
memory/3908-127-0x0000000007420000-0x0000000007487000-memory.dmp

Filesize
412KB

Download
memory/3908-122-0x0000000007020000-0x0000000007021000-memory.dmp

Filesize
4KB

Download
memory/3908-121-0x0000000006F10000-0x0000000006F11000-memory.dmp

Filesize
4KB

Download
memory/3908-120-0x0000000006E30000-0x0000000006E8F000-memory.dmp

Filesize
380KB

Download
memory/3908-114-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/3908-118-0x0000000004E30000-0x0000000004E31000-memory.dmp

Filesize
4KB

Download
memory/3908-117-0x0000000004EC0000-0x0000000004EC1000-memory.dmp

Filesize
4KB

Download
memory/3908-116-0x00000000053C0000-0x00000000053C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads