xpertrat | 099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18

General

Target
099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
Size 28KB
Sample201117-c962m22r5a
SHA256 099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18
MD5 13d84033f65345d8a87391ec0eb6b482
SHA1 b6354b17def07e0ead0f90a30b50c9090e720e5f
SHA512 5093353181b2c6cb0ec0c421e7e5b87e3e222fd6fb5e250bed960ebad1a0041be4e7ba412067e1c6d4eba6e1248c59022eef87c281346c507aa0ae8990fe285f
MD5 SHA1 SHA512

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:2054
sandshoe.myfirewall.org:4000

Mutex

C7H2A8R6-A3X1-J1N8-N887-L0I1C4O6U0D4

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
behavioral2/memory/1336-12-0x0000000000400000-0x0000000000443000-memory.dmp	xpertrat
behavioral2/memory/1336-13-0x0000000000401364-mapping.dmp	xpertrat
behavioral2/memory/1336-14-0x0000000000400000-0x0000000000443000-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\C7H2A8R6-A3X1-J1N8-N887-L0I1C4O6U0D4 = "C:\\Users\\Admin\\AppData\\Roaming\\C7H2A8R6-A3X1-J1N8-N887-L0I1C4O6U0D4\\C7H2A8R6-A3X1-J1N8-N887-L0I1C4O6U0D4.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"	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.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-1-5-21-1985363256-3005190890-1182679451-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\C7H2A8R6-A3X1-J1N8-N887-L0I1C4O6U0D4 = "C:\\Users\\Admin\\AppData\\Roaming\\C7H2A8R6-A3X1-J1N8-N887-L0I1C4O6U0D4\\C7H2A8R6-A3X1-J1N8-N887-L0I1C4O6U0D4.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\C7H2A8R6-A3X1-J1N8-N887-L0I1C4O6U0D4 = "C:\\Users\\Admin\\AppData\\Roaming\\C7H2A8R6-A3X1-J1N8-N887-L0I1C4O6U0D4\\C7H2A8R6-A3X1-J1N8-N887-L0I1C4O6U0D4.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"	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs

pid	Process
648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 648 set thread context of 2172	648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	80
PID 2172 set thread context of 1336	2172	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2716	648	WerFault.exe	67

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2704	timeout.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
2172	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
2172	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe
2172	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
2172	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
Token: SeDebugPrivilege	1336	iexplore.exe
Token: SeRestorePrivilege	2716	WerFault.exe
Token: SeBackupPrivilege	2716	WerFault.exe
Token: SeDebugPrivilege	2716	WerFault.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2172	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
1336	iexplore.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 648 wrote to memory of 2704	648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	75
PID 648 wrote to memory of 2704	648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	75
PID 648 wrote to memory of 2704	648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	75
PID 648 wrote to memory of 2172	648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	80
PID 648 wrote to memory of 2172	648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	80
PID 648 wrote to memory of 2172	648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	80
PID 648 wrote to memory of 2172	648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	80
PID 648 wrote to memory of 2172	648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	80
PID 648 wrote to memory of 2172	648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	80
PID 648 wrote to memory of 2172	648	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	80
PID 2172 wrote to memory of 1336	2172	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	83
PID 2172 wrote to memory of 1336	2172	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	83
PID 2172 wrote to memory of 1336	2172	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	83
PID 2172 wrote to memory of 1336	2172	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	83
PID 2172 wrote to memory of 1336	2172	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	83
PID 2172 wrote to memory of 1336	2172	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	83
PID 2172 wrote to memory of 1336	2172	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	83
PID 2172 wrote to memory of 1336	2172	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe	83

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"	099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe

C:\Users\Admin\AppData\Local\Temp\099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
"C:\Users\Admin\AppData\Local\Temp\099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:648
- C:\Windows\SysWOW64\timeout.exe
  timeout 5
  2⤵
  - Delays execution with timeout.exe
  PID:2704
- C:\Users\Admin\AppData\Local\Temp\099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
  "C:\Users\Admin\AppData\Local\Temp\099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.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:2172
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    C:\Users\Admin\AppData\Local\Temp\099803578388c6f4a6a4904fdb0b8b8e77e7ee9c14eccbda79272baf92093e18.exe
    3⤵
    - Adds policy Run key to start application
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1336
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 1724
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2716

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/648-1-0x0000000000790000-0x0000000000791000-memory.dmp

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memory/648-3-0x0000000004F80000-0x0000000004F81000-memory.dmp

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memory/648-5-0x0000000006BF0000-0x0000000006C29000-memory.dmp

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memory/648-6-0x0000000007130000-0x0000000007131000-memory.dmp

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memory/648-0-0x00000000730E0000-0x00000000737CE000-memory.dmp

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memory/1336-12-0x0000000000400000-0x0000000000443000-memory.dmp

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memory/1336-14-0x0000000000400000-0x0000000000443000-memory.dmp

Download

memory/2172-7-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/2172-9-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/2716-15-0x0000000004850000-0x0000000004851000-memory.dmp

Download

memory/2716-19-0x0000000004F90000-0x0000000004F91000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads