xpertrat | 293bf5eeec6d5d30ee3b3d26f73d6cb81f4e080a449774fc8d2c3a724454f521

General

Target

Specification 788919754.pdf img ind.exe
Size

411KB
MD5

b93e8fe38d0df20ba517b9d531660a4e
SHA1

ebc70668346f27b9c31759b335c3f6cb619c71b5
SHA256

293bf5eeec6d5d30ee3b3d26f73d6cb81f4e080a449774fc8d2c3a724454f521
SHA512

fa07022ab0d2d48066017e8283a9adab2fa2f8aebac2113ec451bd5b339639d0771fd975a92072bdabb24c24f4f40c25707aa9ec3d906104db9c59ba6ddf675d

Score

10^/10

xpertrat special x evasion persistence rat trojan

Malware Config

Extracted

Family

xpertrat

Version

3.0.10

Botnet

special X

C2

sandshoe.myfirewall.org:4000

79.134.225.85:4000

Mutex

F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5

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 3 IoCs

resource	yara_rule
behavioral1/memory/1824-12-0x0000000000400000-0x0000000000443000-memory.dmp	xpertrat
behavioral1/memory/1824-13-0x0000000000401364-mapping.dmp	xpertrat
behavioral1/memory/1824-14-0x0000000000400000-0x0000000000443000-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\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5 = "C:\\Users\\Admin\\AppData\\Roaming\\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5\\F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5.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"	Specification 788919754.pdf img ind.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\USER\S-1-5-21-2090973689-680783404-4292415065-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\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

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"	Specification 788919754.pdf img ind.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1436 set thread context of 1864	1436	Specification 788919754.pdf img ind.exe	26
PID 1864 set thread context of 1824	1864	Specification 788919754.pdf img ind.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1436	Specification 788919754.pdf img ind.exe
1436	Specification 788919754.pdf img ind.exe
1864	Specification 788919754.pdf img ind.exe
1864	Specification 788919754.pdf img ind.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1436	Specification 788919754.pdf img ind.exe
Token: SeDebugPrivilege	1824	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1864	Specification 788919754.pdf img ind.exe
1824	iexplore.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1436 wrote to memory of 1864	1436	Specification 788919754.pdf img ind.exe	26
PID 1436 wrote to memory of 1864	1436	Specification 788919754.pdf img ind.exe	26
PID 1436 wrote to memory of 1864	1436	Specification 788919754.pdf img ind.exe	26
PID 1436 wrote to memory of 1864	1436	Specification 788919754.pdf img ind.exe	26
PID 1436 wrote to memory of 1864	1436	Specification 788919754.pdf img ind.exe	26
PID 1436 wrote to memory of 1864	1436	Specification 788919754.pdf img ind.exe	26
PID 1436 wrote to memory of 1864	1436	Specification 788919754.pdf img ind.exe	26
PID 1436 wrote to memory of 1864	1436	Specification 788919754.pdf img ind.exe	26
PID 1864 wrote to memory of 1824	1864	Specification 788919754.pdf img ind.exe	27
PID 1864 wrote to memory of 1824	1864	Specification 788919754.pdf img ind.exe	27
PID 1864 wrote to memory of 1824	1864	Specification 788919754.pdf img ind.exe	27
PID 1864 wrote to memory of 1824	1864	Specification 788919754.pdf img ind.exe	27
PID 1864 wrote to memory of 1824	1864	Specification 788919754.pdf img ind.exe	27
PID 1864 wrote to memory of 1824	1864	Specification 788919754.pdf img ind.exe	27
PID 1864 wrote to memory of 1824	1864	Specification 788919754.pdf img ind.exe	27
PID 1864 wrote to memory of 1824	1864	Specification 788919754.pdf img ind.exe	27
PID 1864 wrote to memory of 1824	1864	Specification 788919754.pdf img ind.exe	27

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"	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:1436
- 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:1864
- - 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 AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1824

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/1436-0-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/1436-1-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/1436-3-0x0000000000370000-0x0000000000374000-memory.dmp

Filesize
16KB

Download
memory/1436-4-0x00000000070B0000-0x00000000070FD000-memory.dmp

Filesize
308KB

Download
memory/1436-5-0x00000000002E0000-0x000000000030C000-memory.dmp

Filesize
176KB

Download
memory/1824-12-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1824-14-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1864-7-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1864-17-0x00000000009F0000-0x00000000009F4000-memory.dmp

Filesize
16KB

Download
memory/1864-18-0x0000000002890000-0x0000000002894000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads