xpertrat | fdda853b067a704276a822cc0f2e5febd68d8d842e78cb4cb4fb255c4af0442e

General

Target

Fenc_General Presentation.exe
Size

447KB
MD5

6550d5ad0410e634c7bab8e161fadf88
SHA1

8819193d0ad3e5c5717107aca3920ed283c53e80
SHA256

bd2bf7c79dda8208f9ec0c2199d1ec61058aa43bbe6f8548623444fc143a3aec
SHA512

57eb107f455af652096ea9bef547c90e460216a948883bf70564651d058b039ad62ad4e80c1c52ec15218d58dcb4bb8b2b48830b37bde30962a5c676838bd39c

Score

10^/10

xpertrat 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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8 = "C:\\Users\\Admin\\AppData\\Roaming\\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8\\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8.exe"	iexplore.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	iexplore.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

Fenc_General Presentation.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	Fenc_General Presentation.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-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8 = "C:\\Users\\Admin\\AppData\\Roaming\\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8\\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8.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\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8 = "C:\\Users\\Admin\\AppData\\Roaming\\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8\\G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8.exe"	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Fenc_General Presentation.exe

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

Fenc_General Presentation.exeFenc_General Presentation.exe

description	pid	process	target process
PID 1776 set thread context of 1952	1776	Fenc_General Presentation.exe	Fenc_General Presentation.exe
PID 1952 set thread context of 1876	1952	Fenc_General Presentation.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
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2020 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Fenc_General Presentation.exe

pid process

1952 Fenc_General Presentation.exe
1952 Fenc_General Presentation.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

iexplore.exe

description pid process

Token: SeDebugPrivilege 1876 iexplore.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

Fenc_General Presentation.exeiexplore.exe

pid process

1952 Fenc_General Presentation.exe
1876 iexplore.exe

pid	process
2020	schtasks.exe

pid	process
1952	Fenc_General Presentation.exe
1952	Fenc_General Presentation.exe

description	pid	process
Token: SeDebugPrivilege	1876	iexplore.exe

pid	process
1952	Fenc_General Presentation.exe
1876	iexplore.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Fenc_General Presentation.exeFenc_General Presentation.exe

description	pid	process	target process
PID 1776 wrote to memory of 2020	1776	Fenc_General Presentation.exe	schtasks.exe
PID 1776 wrote to memory of 2020	1776	Fenc_General Presentation.exe	schtasks.exe
PID 1776 wrote to memory of 2020	1776	Fenc_General Presentation.exe	schtasks.exe
PID 1776 wrote to memory of 2020	1776	Fenc_General Presentation.exe	schtasks.exe
PID 1776 wrote to memory of 1952	1776	Fenc_General Presentation.exe	Fenc_General Presentation.exe
PID 1776 wrote to memory of 1952	1776	Fenc_General Presentation.exe	Fenc_General Presentation.exe
PID 1776 wrote to memory of 1952	1776	Fenc_General Presentation.exe	Fenc_General Presentation.exe
PID 1776 wrote to memory of 1952	1776	Fenc_General Presentation.exe	Fenc_General Presentation.exe
PID 1776 wrote to memory of 1952	1776	Fenc_General Presentation.exe	Fenc_General Presentation.exe
PID 1776 wrote to memory of 1952	1776	Fenc_General Presentation.exe	Fenc_General Presentation.exe
PID 1776 wrote to memory of 1952	1776	Fenc_General Presentation.exe	Fenc_General Presentation.exe
PID 1776 wrote to memory of 1952	1776	Fenc_General Presentation.exe	Fenc_General Presentation.exe
PID 1952 wrote to memory of 1876	1952	Fenc_General Presentation.exe	iexplore.exe
PID 1952 wrote to memory of 1876	1952	Fenc_General Presentation.exe	iexplore.exe
PID 1952 wrote to memory of 1876	1952	Fenc_General Presentation.exe	iexplore.exe
PID 1952 wrote to memory of 1876	1952	Fenc_General Presentation.exe	iexplore.exe
PID 1952 wrote to memory of 1876	1952	Fenc_General Presentation.exe	iexplore.exe
PID 1952 wrote to memory of 1876	1952	Fenc_General Presentation.exe	iexplore.exe
PID 1952 wrote to memory of 1876	1952	Fenc_General Presentation.exe	iexplore.exe
PID 1952 wrote to memory of 1876	1952	Fenc_General Presentation.exe	iexplore.exe
PID 1952 wrote to memory of 1876	1952	Fenc_General Presentation.exe	iexplore.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

Fenc_General Presentation.exe

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

C:\Users\Admin\AppData\Local\Temp\Fenc_General Presentation.exe
"C:\Users\Admin\AppData\Local\Temp\Fenc_General Presentation.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1776

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RfIFvdphuiI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6EBB.tmp"
2⤵
- Creates scheduled task(s)
PID:2020

C:\Users\Admin\AppData\Local\Temp\Fenc_General Presentation.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:1952

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\Fenc_General Presentation.exe
3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1876

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

2

T1060

Scheduled Task

1

T1053

Privilege Escalation

Bypass User Account Control

1

T1088

Scheduled Task

1

T1053

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

3

T1089

Modify Registry

6

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6EBB.tmp
Filesize
1KB

MD5
6c948ccee15b5a5782457480ea2e0924

SHA1
6be90fca174d9008c6d149b321e5dc04bd1a786d

SHA256
9f04e73ef9f57223b75f7076a3d2e1ca88094096e179a170e54c0cacee513a75

SHA512
deafd4ba78f347aaa5bc9ad28f38a3f841f9e98df11df0787b704783b887da328b25f1931797be2498994cc1bf94e728ced0f58e46e72bd487b61b99d24bb97d

Download Submit
memory/1776-54-0x0000000000A80000-0x0000000000AF6000-memory.dmp

Filesize
472KB

Download
memory/1776-55-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/1776-56-0x00000000002E0000-0x00000000002E8000-memory.dmp

Filesize
32KB

Download
memory/1776-57-0x00000000006A0000-0x00000000006DA000-memory.dmp

Filesize
232KB

Download
memory/1952-60-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1952-61-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1952-63-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1952-65-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1952-66-0x00000000004010B8-mapping.dmp

Download
memory/1952-71-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2020-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads