xpertrat | d6d4f87e9126bf6792e3774f73f9c15e308328bca3f8fcef5f5d943a0904e137

General

Target

gunzipped.exe
Size

619KB
MD5

5a31075c7e2eede32b52b7e32d16f560
SHA1

1b0325131df5e081f802f907246da4f2331d60c0
SHA256

d6d4f87e9126bf6792e3774f73f9c15e308328bca3f8fcef5f5d943a0904e137
SHA512

d785092dd4cc6ef921c3f5f8146412ae1e4fd0891ed1493c72801f31adfc3b80aac258021d6c7fe97f03e52180f92349a00a3781581801748fad7339fc13bb1d

Score

10^/10

xpertrat collection evasion persistence rat trojan

Malware Config

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

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\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4 = "C:\\Users\\Admin\\AppData\\Roaming\\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4.exe"	iexplore.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

gunzipped.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	gunzipped.exe

Windows security modification 2 TTPs 1 IoCs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

gunzipped.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" gunzipped.exe

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

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

iexplore.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	iexplore.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-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4 = "C:\\Users\\Admin\\AppData\\Roaming\\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4.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\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4 = "C:\\Users\\Admin\\AppData\\Roaming\\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4.exe"	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

gunzipped.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" gunzipped.exe

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

Suspicious use of SetThreadContext 7 IoCs

Processes:

gunzipped.exegunzipped.exeiexplore.exe

description	pid	process	target process
PID 2580 set thread context of 4208	2580	gunzipped.exe	gunzipped.exe
PID 4208 set thread context of 1608	4208	gunzipped.exe	iexplore.exe
PID 1608 set thread context of 856	1608	iexplore.exe	iexplore.exe
PID 1608 set thread context of 1364	1608	iexplore.exe	iexplore.exe
PID 1608 set thread context of 3532	1608	iexplore.exe	iexplore.exe
PID 1608 set thread context of 2668	1608	iexplore.exe	iexplore.exe
PID 1608 set thread context of 2396	1608	iexplore.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 10 IoCs

Processes:

powershell.exegunzipped.exeiexplore.exeiexplore.exe

pid	process
4264	powershell.exe
4208	gunzipped.exe
4208	gunzipped.exe
4264	powershell.exe
4208	gunzipped.exe
4208	gunzipped.exe
856	iexplore.exe
856	iexplore.exe
3532	iexplore.exe
3532	iexplore.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exeiexplore.exeiexplore.exe

description pid process

Token: SeDebugPrivilege 4264 powershell.exe
Token: SeDebugPrivilege 1608 iexplore.exe
Token: SeDebugPrivilege 856 iexplore.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

gunzipped.exeiexplore.exe

pid process

4208 gunzipped.exe
1608 iexplore.exe

description	pid	process
Token: SeDebugPrivilege	4264	powershell.exe
Token: SeDebugPrivilege	1608	iexplore.exe
Token: SeDebugPrivilege	856	iexplore.exe

pid	process
4208	gunzipped.exe
1608	iexplore.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

gunzipped.exegunzipped.exeiexplore.exe

description	pid	process	target process
PID 2580 wrote to memory of 4264	2580	gunzipped.exe	powershell.exe
PID 2580 wrote to memory of 4264	2580	gunzipped.exe	powershell.exe
PID 2580 wrote to memory of 4264	2580	gunzipped.exe	powershell.exe
PID 2580 wrote to memory of 4208	2580	gunzipped.exe	gunzipped.exe
PID 2580 wrote to memory of 4208	2580	gunzipped.exe	gunzipped.exe
PID 2580 wrote to memory of 4208	2580	gunzipped.exe	gunzipped.exe
PID 2580 wrote to memory of 4208	2580	gunzipped.exe	gunzipped.exe
PID 2580 wrote to memory of 4208	2580	gunzipped.exe	gunzipped.exe
PID 2580 wrote to memory of 4208	2580	gunzipped.exe	gunzipped.exe
PID 2580 wrote to memory of 4208	2580	gunzipped.exe	gunzipped.exe
PID 4208 wrote to memory of 1608	4208	gunzipped.exe	iexplore.exe
PID 4208 wrote to memory of 1608	4208	gunzipped.exe	iexplore.exe
PID 4208 wrote to memory of 1608	4208	gunzipped.exe	iexplore.exe
PID 4208 wrote to memory of 1608	4208	gunzipped.exe	iexplore.exe
PID 4208 wrote to memory of 1608	4208	gunzipped.exe	iexplore.exe
PID 4208 wrote to memory of 1608	4208	gunzipped.exe	iexplore.exe
PID 4208 wrote to memory of 1608	4208	gunzipped.exe	iexplore.exe
PID 4208 wrote to memory of 1608	4208	gunzipped.exe	iexplore.exe
PID 1608 wrote to memory of 4432	1608	iexplore.exe	notepad.exe
PID 1608 wrote to memory of 4432	1608	iexplore.exe	notepad.exe
PID 1608 wrote to memory of 4432	1608	iexplore.exe	notepad.exe
PID 1608 wrote to memory of 4432	1608	iexplore.exe	notepad.exe
PID 1608 wrote to memory of 856	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 856	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 856	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 856	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 856	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 856	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 856	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 856	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 1364	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 1364	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 1364	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 1364	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 1364	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 1364	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 1364	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 1364	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 1364	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 3532	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 3532	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 3532	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 3532	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 3532	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 3532	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 3532	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 3532	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 3532	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 2668	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 2668	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 2668	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 2668	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 2668	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 2668	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 2668	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 2668	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 2396	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 2396	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 2396	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 2396	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 2396	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 2396	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 2396	1608	iexplore.exe	iexplore.exe
PID 1608 wrote to memory of 2396	1608	iexplore.exe	iexplore.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

gunzipped.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" gunzipped.exe

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

C:\Users\Admin\AppData\Local\Temp\gunzipped.exe
"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4264
- C:\Users\Admin\AppData\Local\Temp\gunzipped.exe
  "C:\Users\Admin\AppData\Local\Temp\gunzipped.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:4208
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    C:\Users\Admin\AppData\Local\Temp\gunzipped.exe
    3⤵
    - Adds policy Run key to start application
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1608
  - - C:\Windows\SysWOW64\notepad.exe
      notepad.exe
      4⤵
      PID:4432
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\vlzrouqxi0.txt"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:856
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\vlzrouqxi1.txt"
      4⤵
      Accesses Microsoft Outlook accounts
      PID:1364
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\vlzrouqxi2.txt"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:3532
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\vlzrouqxi3.txt"
      4⤵
      PID:2668
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\vlzrouqxi4.txt"
      4⤵
      PID:2396

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

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\vlzrouqxi2.txt

Filesize
3KB

MD5
f94dc819ca773f1e3cb27abbc9e7fa27

SHA1
9a7700efadc5ea09ab288544ef1e3cd876255086

SHA256
a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

SHA512
72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

Download Submit
C:\Users\Admin\AppData\Roaming\H7M3F0W6-F4D2-O1S0-S0D7-Q1N2H5T660I4\vlzrouqxi4.txt

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/2580-130-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/2580-131-0x0000000005580000-0x0000000005B24000-memory.dmp

Filesize
5.6MB

Download
memory/2580-132-0x0000000004E80000-0x0000000004F12000-memory.dmp

Filesize
584KB

Download
memory/2580-133-0x0000000004E40000-0x0000000004E4A000-memory.dmp

Filesize
40KB

Download
memory/2580-134-0x0000000007070000-0x000000000710C000-memory.dmp

Filesize
624KB

Download
memory/2580-135-0x0000000008930000-0x0000000008996000-memory.dmp

Filesize
408KB

Download
memory/4208-147-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4208-138-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4208-141-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4208-137-0x0000000000000000-mapping.dmp

Download
memory/4264-152-0x00000000067A0000-0x00000000067BE000-memory.dmp

Filesize
120KB

Download
memory/4264-154-0x0000000006910000-0x000000000692A000-memory.dmp

Filesize
104KB

Download
memory/4264-145-0x00000000053F0000-0x0000000005412000-memory.dmp

Filesize
136KB

Download
memory/4264-136-0x0000000000000000-mapping.dmp

Download
memory/4264-149-0x00000000062B0000-0x00000000062CE000-memory.dmp

Filesize
120KB

Download
memory/4264-150-0x00000000067C0000-0x00000000067F2000-memory.dmp

Filesize
200KB

Download
memory/4264-151-0x0000000070360000-0x00000000703AC000-memory.dmp

Filesize
304KB

Download
memory/4264-140-0x00000000029B0000-0x00000000029E6000-memory.dmp

Filesize
216KB

Download
memory/4264-153-0x0000000007CB0000-0x000000000832A000-memory.dmp

Filesize
6.5MB

Download
memory/4264-146-0x0000000005C00000-0x0000000005C66000-memory.dmp

Filesize
408KB

Download
memory/4264-155-0x0000000007630000-0x000000000763A000-memory.dmp

Filesize
40KB

Download
memory/4264-156-0x0000000007840000-0x00000000078D6000-memory.dmp

Filesize
600KB

Download
memory/4264-157-0x00000000077F0000-0x00000000077FE000-memory.dmp

Filesize
56KB

Download
memory/4264-158-0x0000000007900000-0x000000000791A000-memory.dmp

Filesize
104KB

Download
memory/4264-159-0x00000000078E0000-0x00000000078E8000-memory.dmp

Filesize
32KB

Download
memory/4264-142-0x0000000005560000-0x0000000005B88000-memory.dmp

Filesize
6.2MB

Download
memory/4432-148-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads