xpertrat | d7f2fddb43eb63f9246f0a4535dfcca6da2817592455d7eceaacde666cf1aaae

General

Target

80099d016219e9682b1e217586f5cad1.exe
Size

735KB
MD5

80099d016219e9682b1e217586f5cad1
SHA1

1628b91051a35e7cb70fe58e2b6e9ac135e1815c
SHA256

d7f2fddb43eb63f9246f0a4535dfcca6da2817592455d7eceaacde666cf1aaae
SHA512

82faf680912e72f2e1b25288be9f13f1722be79f5cf4c04c46342f02a85afb2e76f1bec8f4beb729d96c802fe8b0b205ac4f133331eafccc07a4a91a18edb649

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/1604-133-0x0000000000400000-0x0000000000444000-memory.dmp	xpertrat
behavioral2/memory/1604-134-0x0000000000401364-mapping.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"	80099d016219e9682b1e217586f5cad1.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-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\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"	80099d016219e9682b1e217586f5cad1.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 672 set thread context of 2812	672	80099d016219e9682b1e217586f5cad1.exe	78
PID 2812 set thread context of 1604	2812	80099d016219e9682b1e217586f5cad1.exe	79

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
672	80099d016219e9682b1e217586f5cad1.exe
672	80099d016219e9682b1e217586f5cad1.exe
2812	80099d016219e9682b1e217586f5cad1.exe
2812	80099d016219e9682b1e217586f5cad1.exe
2812	80099d016219e9682b1e217586f5cad1.exe
2812	80099d016219e9682b1e217586f5cad1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	672	80099d016219e9682b1e217586f5cad1.exe
Token: SeDebugPrivilege	1604	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2812	80099d016219e9682b1e217586f5cad1.exe
1604	iexplore.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 672 wrote to memory of 2812	672	80099d016219e9682b1e217586f5cad1.exe	78
PID 672 wrote to memory of 2812	672	80099d016219e9682b1e217586f5cad1.exe	78
PID 672 wrote to memory of 2812	672	80099d016219e9682b1e217586f5cad1.exe	78
PID 672 wrote to memory of 2812	672	80099d016219e9682b1e217586f5cad1.exe	78
PID 672 wrote to memory of 2812	672	80099d016219e9682b1e217586f5cad1.exe	78
PID 672 wrote to memory of 2812	672	80099d016219e9682b1e217586f5cad1.exe	78
PID 672 wrote to memory of 2812	672	80099d016219e9682b1e217586f5cad1.exe	78
PID 2812 wrote to memory of 1604	2812	80099d016219e9682b1e217586f5cad1.exe	79
PID 2812 wrote to memory of 1604	2812	80099d016219e9682b1e217586f5cad1.exe	79
PID 2812 wrote to memory of 1604	2812	80099d016219e9682b1e217586f5cad1.exe	79
PID 2812 wrote to memory of 1604	2812	80099d016219e9682b1e217586f5cad1.exe	79
PID 2812 wrote to memory of 1604	2812	80099d016219e9682b1e217586f5cad1.exe	79
PID 2812 wrote to memory of 1604	2812	80099d016219e9682b1e217586f5cad1.exe	79
PID 2812 wrote to memory of 1604	2812	80099d016219e9682b1e217586f5cad1.exe	79
PID 2812 wrote to memory of 1604	2812	80099d016219e9682b1e217586f5cad1.exe	79

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"	80099d016219e9682b1e217586f5cad1.exe

C:\Users\Admin\AppData\Local\Temp\80099d016219e9682b1e217586f5cad1.exe
"C:\Users\Admin\AppData\Local\Temp\80099d016219e9682b1e217586f5cad1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:672
- C:\Users\Admin\AppData\Local\Temp\80099d016219e9682b1e217586f5cad1.exe
  C:\Users\Admin\AppData\Local\Temp\80099d016219e9682b1e217586f5cad1.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:2812
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    C:\Users\Admin\AppData\Local\Temp\80099d016219e9682b1e217586f5cad1.exe
    3⤵
    - Adds policy Run key to start application
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1604

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/672-127-0x0000000007510000-0x000000000756E000-memory.dmp

Filesize
376KB

Download
memory/672-121-0x0000000006B10000-0x0000000006B11000-memory.dmp

Filesize
4KB

Download
memory/672-117-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

Filesize
4KB

Download
memory/672-118-0x0000000004FC0000-0x00000000054BE000-memory.dmp

Filesize
5.0MB

Download
memory/672-114-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/672-120-0x0000000006A30000-0x0000000006A8B000-memory.dmp

Filesize
364KB

Download
memory/672-116-0x00000000054C0000-0x00000000054C1000-memory.dmp

Filesize
4KB

Download
memory/672-122-0x0000000006C20000-0x0000000006C21000-memory.dmp

Filesize
4KB

Download
memory/672-119-0x00000000050A0000-0x00000000050A1000-memory.dmp

Filesize
4KB

Download
memory/1604-133-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1604-137-0x0000000003470000-0x00000000035C3000-memory.dmp

Filesize
1.3MB

Download
memory/1604-138-0x0000000003471000-0x000000000356D000-memory.dmp

Filesize
1008KB

Download
memory/2812-128-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2812-132-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads