xpertrat | bc2a5e452669de43c4f4533c995b515bace2941ea5b45bb537085b204ee5d54b

General

Target

49af0abba03a7d559171f378728e9bc7.exe
Size

33KB
MD5

49af0abba03a7d559171f378728e9bc7
SHA1

7e6e1ccf693bb62f2a36119996583228a9e5c665
SHA256

bc2a5e452669de43c4f4533c995b515bace2941ea5b45bb537085b204ee5d54b
SHA512

d155349a6dae76775b26a96ec00a8dc860749eb46450c6dcc479303afa01325b1fb31b41c8adac3cbabb2b17c7b23a6768949a8bf5221c3edee0a25082e71a8f

Score

10^/10

xpertrat test evasion persistence rat trojan

Malware Config

Extracted

Family

xpertrat

Version

3.0.10

Botnet

Test

C2

kapasky-antivirus.firewall-gateway.net:4000

Mutex

L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0

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

Processes:

resource	yara_rule
behavioral1/memory/680-72-0x0000000000400000-0x0000000000443000-memory.dmp	xpertrat
behavioral1/memory/976-75-0x0000000000401364-mapping.dmp	xpertrat

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

iexplore.exe

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\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0 = "C:\\Users\\Admin\\AppData\\Roaming\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0.exe"	iexplore.exe

Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

828 notepad.exe

pid	process
828	notepad.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

49af0abba03a7d559171f378728e9bc7.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	49af0abba03a7d559171f378728e9bc7.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-1-5-21-3456797065-1076791440-4146276586-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0 = "C:\\Users\\Admin\\AppData\\Roaming\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0.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\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0 = "C:\\Users\\Admin\\AppData\\Roaming\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0.exe"	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

49af0abba03a7d559171f378728e9bc7.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	49af0abba03a7d559171f378728e9bc7.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

49af0abba03a7d559171f378728e9bc7.exe49af0abba03a7d559171f378728e9bc7.exe

description	pid	process	target process
PID 1232 set thread context of 1500	1232	49af0abba03a7d559171f378728e9bc7.exe	49af0abba03a7d559171f378728e9bc7.exe
PID 1500 set thread context of 680	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 set thread context of 976	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exe49af0abba03a7d559171f378728e9bc7.exe49af0abba03a7d559171f378728e9bc7.exe

pid	process
1524	powershell.exe
1396	powershell.exe
1232	49af0abba03a7d559171f378728e9bc7.exe
1500	49af0abba03a7d559171f378728e9bc7.exe
1500	49af0abba03a7d559171f378728e9bc7.exe
1500	49af0abba03a7d559171f378728e9bc7.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exepowershell.exe49af0abba03a7d559171f378728e9bc7.exeiexplore.exe

description	pid	process
Token: SeDebugPrivilege	1524	powershell.exe
Token: SeDebugPrivilege	1396	powershell.exe
Token: SeDebugPrivilege	1232	49af0abba03a7d559171f378728e9bc7.exe
Token: SeDebugPrivilege	976	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

49af0abba03a7d559171f378728e9bc7.exeiexplore.exe

pid process

1500 49af0abba03a7d559171f378728e9bc7.exe
976 iexplore.exe

pid	process
1500	49af0abba03a7d559171f378728e9bc7.exe
976	iexplore.exe

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

49af0abba03a7d559171f378728e9bc7.exe49af0abba03a7d559171f378728e9bc7.exeiexplore.exe

description	pid	process	target process
PID 1232 wrote to memory of 1524	1232	49af0abba03a7d559171f378728e9bc7.exe	powershell.exe
PID 1232 wrote to memory of 1524	1232	49af0abba03a7d559171f378728e9bc7.exe	powershell.exe
PID 1232 wrote to memory of 1524	1232	49af0abba03a7d559171f378728e9bc7.exe	powershell.exe
PID 1232 wrote to memory of 1524	1232	49af0abba03a7d559171f378728e9bc7.exe	powershell.exe
PID 1232 wrote to memory of 1396	1232	49af0abba03a7d559171f378728e9bc7.exe	powershell.exe
PID 1232 wrote to memory of 1396	1232	49af0abba03a7d559171f378728e9bc7.exe	powershell.exe
PID 1232 wrote to memory of 1396	1232	49af0abba03a7d559171f378728e9bc7.exe	powershell.exe
PID 1232 wrote to memory of 1396	1232	49af0abba03a7d559171f378728e9bc7.exe	powershell.exe
PID 1232 wrote to memory of 1500	1232	49af0abba03a7d559171f378728e9bc7.exe	49af0abba03a7d559171f378728e9bc7.exe
PID 1232 wrote to memory of 1500	1232	49af0abba03a7d559171f378728e9bc7.exe	49af0abba03a7d559171f378728e9bc7.exe
PID 1232 wrote to memory of 1500	1232	49af0abba03a7d559171f378728e9bc7.exe	49af0abba03a7d559171f378728e9bc7.exe
PID 1232 wrote to memory of 1500	1232	49af0abba03a7d559171f378728e9bc7.exe	49af0abba03a7d559171f378728e9bc7.exe
PID 1232 wrote to memory of 1500	1232	49af0abba03a7d559171f378728e9bc7.exe	49af0abba03a7d559171f378728e9bc7.exe
PID 1232 wrote to memory of 1500	1232	49af0abba03a7d559171f378728e9bc7.exe	49af0abba03a7d559171f378728e9bc7.exe
PID 1232 wrote to memory of 1500	1232	49af0abba03a7d559171f378728e9bc7.exe	49af0abba03a7d559171f378728e9bc7.exe
PID 1232 wrote to memory of 1500	1232	49af0abba03a7d559171f378728e9bc7.exe	49af0abba03a7d559171f378728e9bc7.exe
PID 1232 wrote to memory of 1500	1232	49af0abba03a7d559171f378728e9bc7.exe	49af0abba03a7d559171f378728e9bc7.exe
PID 1232 wrote to memory of 1500	1232	49af0abba03a7d559171f378728e9bc7.exe	49af0abba03a7d559171f378728e9bc7.exe
PID 1232 wrote to memory of 1500	1232	49af0abba03a7d559171f378728e9bc7.exe	49af0abba03a7d559171f378728e9bc7.exe
PID 1500 wrote to memory of 680	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 680	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 680	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 680	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 680	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 680	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 680	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 680	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 680	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 976	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 976	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 976	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 976	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 976	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 976	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 976	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 976	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 1500 wrote to memory of 976	1500	49af0abba03a7d559171f378728e9bc7.exe	iexplore.exe
PID 976 wrote to memory of 828	976	iexplore.exe	notepad.exe
PID 976 wrote to memory of 828	976	iexplore.exe	notepad.exe
PID 976 wrote to memory of 828	976	iexplore.exe	notepad.exe
PID 976 wrote to memory of 828	976	iexplore.exe	notepad.exe
PID 976 wrote to memory of 828	976	iexplore.exe	notepad.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

49af0abba03a7d559171f378728e9bc7.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	49af0abba03a7d559171f378728e9bc7.exe

C:\Users\Admin\AppData\Local\Temp\49af0abba03a7d559171f378728e9bc7.exe
"C:\Users\Admin\AppData\Local\Temp\49af0abba03a7d559171f378728e9bc7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -Seconds 3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1524
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 15
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1396
- C:\Users\Admin\AppData\Local\Temp\49af0abba03a7d559171f378728e9bc7.exe
  C:\Users\Admin\AppData\Local\Temp\49af0abba03a7d559171f378728e9bc7.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:1500
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    C:\Users\Admin\AppData\Local\Temp\49af0abba03a7d559171f378728e9bc7.exe
    3⤵
    PID:680
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    C:\Users\Admin\AppData\Local\Temp\49af0abba03a7d559171f378728e9bc7.exe
    3⤵
    - Adds policy Run key to start application
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:976
  - - C:\Windows\SysWOW64\notepad.exe
      notepad.exe
      4⤵
      Deletes itself
      PID:828

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

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

MD5
bbf05ec41efa8caf3e915e887a9fa53e

SHA1
32fc5249458bf5ca1fb8f2d109fedd2d003279af

SHA256
68077b939eee6972f05b2947963d662fda5cc10e28bde6d26bb2a4989f6aeee1

SHA512
421162865959e2ee6c55c892c1bf29b054ddfec36cfa55d9e6761f70601c06435068b3cc54274ceab692cc1d9e4f7925979655247bf670eabe415c7ff59c3fdd

Download Submit
memory/680-73-0x0000000000401364-mapping.dmp

Download
memory/680-72-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/828-79-0x0000000000000000-mapping.dmp

Download
memory/976-76-0x00000000004C0000-0x0000000000613000-memory.dmp

Filesize
1.3MB

Download
memory/976-75-0x0000000000401364-mapping.dmp

Download
memory/1232-54-0x00000000013C0000-0x00000000013C1000-memory.dmp

Filesize
4KB

Download
memory/1232-56-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/1232-66-0x0000000005C70000-0x0000000005CBF000-memory.dmp

Filesize
316KB

Download
memory/1232-67-0x0000000000BD0000-0x0000000000C00000-memory.dmp

Filesize
192KB

Download
memory/1396-62-0x0000000000000000-mapping.dmp

Download
memory/1396-65-0x0000000002300000-0x0000000002F4A000-memory.dmp

Filesize
12.3MB

Download
memory/1500-68-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1500-69-0x00000000004010B8-mapping.dmp

Download
memory/1524-60-0x0000000002500000-0x000000000314A000-memory.dmp

Filesize
12.3MB

Download
memory/1524-61-0x0000000002500000-0x000000000314A000-memory.dmp

Filesize
12.3MB

Download
memory/1524-59-0x0000000002500000-0x000000000314A000-memory.dmp

Filesize
12.3MB

Download
memory/1524-58-0x0000000074F81000-0x0000000074F83000-memory.dmp

Filesize
8KB

Download
memory/1524-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads