xpertrat | f8e52fa75724eb08c0ec68db6799740ad36c7178b8f0dd7c8b0ee755ff60c653

Analysis

max time kernel
43s
max time network
139s
platform
windows10_x64
resource
win10v20210410
submitted
26-04-2021 06:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

95a3b26416f41375ef06106fb58a3764.exe
Size

807KB
MD5

95a3b26416f41375ef06106fb58a3764
SHA1

952f57980d5105d94bc2e0ae389f0cc7e44ae27d
SHA256

f8e52fa75724eb08c0ec68db6799740ad36c7178b8f0dd7c8b0ee755ff60c653
SHA512

160e9dd666333b81c9685a21fd7620b499e9973743b637d4f52a30567c1a81fcc9cba4a984e9c1715dd9d36993034ec0697c36327803754ef725eb6d86e991b8

Score

10^/10

xpertrat xxx evasion persistence rat trojan upx

Malware Config

Extracted

Family

xpertrat

Version

3.0.10

Botnet

XXX

kapasky-antivirus.firewall-gateway.net:2054

kapasky-antivirus.firewall-gateway.net:4000

Mutex

U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7

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
behavioral2/memory/2152-120-0x0000000000401364-mapping.dmp	xpertrat
behavioral2/memory/2152-119-0x0000000000400000-0x0000000000443000-memory.dmp	xpertrat

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/1428-132-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/1428-133-0x0000000000411654-mapping.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/1640-136-0x0000000000400000-0x0000000000459000-memory.dmp	WebBrowserPassView
behavioral2/memory/1640-137-0x0000000000442F04-mapping.dmp	WebBrowserPassView

Nirsoft 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1428-132-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/1428-133-0x0000000000411654-mapping.dmp	Nirsoft
behavioral2/memory/1640-136-0x0000000000400000-0x0000000000459000-memory.dmp	Nirsoft
behavioral2/memory/1640-137-0x0000000000442F04-mapping.dmp	Nirsoft
behavioral2/memory/2464-145-0x0000000000400000-0x0000000000415000-memory.dmp	Nirsoft
behavioral2/memory/2464-146-0x000000000040C2A8-mapping.dmp	Nirsoft

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\U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7 = "C:\\Users\\Admin\\AppData\\Roaming\\U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\\U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7.exe"	iexplore.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/3836-128-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral2/memory/1168-141-0x0000000000400000-0x0000000000416000-memory.dmp	upx

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

95a3b26416f41375ef06106fb58a3764.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	95a3b26416f41375ef06106fb58a3764.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7 = "C:\\Users\\Admin\\AppData\\Roaming\\U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\\U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7.exe"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7 = "C:\\Users\\Admin\\AppData\\Roaming\\U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\\U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7.exe"	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

95a3b26416f41375ef06106fb58a3764.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	95a3b26416f41375ef06106fb58a3764.exe

Suspicious use of SetThreadContext 7 IoCs

Processes:

95a3b26416f41375ef06106fb58a3764.exe95a3b26416f41375ef06106fb58a3764.exeiexplore.exe

description	pid	process	target process
PID 3944 set thread context of 3488	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3488 set thread context of 2152	3488	95a3b26416f41375ef06106fb58a3764.exe	iexplore.exe
PID 2152 set thread context of 3836	2152	iexplore.exe	iexplore.exe
PID 2152 set thread context of 1428	2152	iexplore.exe	iexplore.exe
PID 2152 set thread context of 1640	2152	iexplore.exe	iexplore.exe
PID 2152 set thread context of 1168	2152	iexplore.exe	iexplore.exe
PID 2152 set thread context of 2464	2152	iexplore.exe	iexplore.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

95a3b26416f41375ef06106fb58a3764.exe95a3b26416f41375ef06106fb58a3764.exeiexplore.exeiexplore.exe

pid	process
3944	95a3b26416f41375ef06106fb58a3764.exe
3944	95a3b26416f41375ef06106fb58a3764.exe
3944	95a3b26416f41375ef06106fb58a3764.exe
3944	95a3b26416f41375ef06106fb58a3764.exe
3944	95a3b26416f41375ef06106fb58a3764.exe
3944	95a3b26416f41375ef06106fb58a3764.exe
3488	95a3b26416f41375ef06106fb58a3764.exe
3488	95a3b26416f41375ef06106fb58a3764.exe
3488	95a3b26416f41375ef06106fb58a3764.exe
3488	95a3b26416f41375ef06106fb58a3764.exe
3836	iexplore.exe
3836	iexplore.exe
1640	iexplore.exe
1640	iexplore.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

95a3b26416f41375ef06106fb58a3764.exeiexplore.exeiexplore.exe

description	pid	process
Token: SeDebugPrivilege	3944	95a3b26416f41375ef06106fb58a3764.exe
Token: SeDebugPrivilege	2152	iexplore.exe
Token: SeDebugPrivilege	3836	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

95a3b26416f41375ef06106fb58a3764.exeiexplore.exe

pid process

3488 95a3b26416f41375ef06106fb58a3764.exe
2152 iexplore.exe

pid	process
3488	95a3b26416f41375ef06106fb58a3764.exe
2152	iexplore.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

95a3b26416f41375ef06106fb58a3764.exe95a3b26416f41375ef06106fb58a3764.exeiexplore.exe

description	pid	process	target process
PID 3944 wrote to memory of 3860	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3944 wrote to memory of 3860	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3944 wrote to memory of 3860	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3944 wrote to memory of 2932	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3944 wrote to memory of 2932	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3944 wrote to memory of 2932	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3944 wrote to memory of 1972	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3944 wrote to memory of 1972	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3944 wrote to memory of 1972	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3944 wrote to memory of 3488	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3944 wrote to memory of 3488	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3944 wrote to memory of 3488	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3944 wrote to memory of 3488	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3944 wrote to memory of 3488	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3944 wrote to memory of 3488	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3944 wrote to memory of 3488	3944	95a3b26416f41375ef06106fb58a3764.exe	95a3b26416f41375ef06106fb58a3764.exe
PID 3488 wrote to memory of 2152	3488	95a3b26416f41375ef06106fb58a3764.exe	iexplore.exe
PID 3488 wrote to memory of 2152	3488	95a3b26416f41375ef06106fb58a3764.exe	iexplore.exe
PID 3488 wrote to memory of 2152	3488	95a3b26416f41375ef06106fb58a3764.exe	iexplore.exe
PID 3488 wrote to memory of 2152	3488	95a3b26416f41375ef06106fb58a3764.exe	iexplore.exe
PID 3488 wrote to memory of 2152	3488	95a3b26416f41375ef06106fb58a3764.exe	iexplore.exe
PID 3488 wrote to memory of 2152	3488	95a3b26416f41375ef06106fb58a3764.exe	iexplore.exe
PID 3488 wrote to memory of 2152	3488	95a3b26416f41375ef06106fb58a3764.exe	iexplore.exe
PID 3488 wrote to memory of 2152	3488	95a3b26416f41375ef06106fb58a3764.exe	iexplore.exe
PID 2152 wrote to memory of 3836	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 3836	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 3836	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 3836	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 3836	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 3836	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 3836	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 3836	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1428	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1428	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1428	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1428	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1428	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1428	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1428	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1428	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1428	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1640	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1640	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1640	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1640	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1640	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1640	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1640	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1640	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1640	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1168	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1168	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1168	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1168	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1168	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1168	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1168	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 1168	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 2464	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 2464	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 2464	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 2464	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 2464	2152	iexplore.exe	iexplore.exe
PID 2152 wrote to memory of 2464	2152	iexplore.exe	iexplore.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

95a3b26416f41375ef06106fb58a3764.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	95a3b26416f41375ef06106fb58a3764.exe

C:\Users\Admin\AppData\Local\Temp\95a3b26416f41375ef06106fb58a3764.exe
"C:\Users\Admin\AppData\Local\Temp\95a3b26416f41375ef06106fb58a3764.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3944

C:\Users\Admin\AppData\Local\Temp\95a3b26416f41375ef06106fb58a3764.exe
"{path}"
2⤵
PID:3860

C:\Users\Admin\AppData\Local\Temp\95a3b26416f41375ef06106fb58a3764.exe
"{path}"
2⤵
PID:2932

C:\Users\Admin\AppData\Local\Temp\95a3b26416f41375ef06106fb58a3764.exe
"{path}"
2⤵
PID:1972

C:\Users\Admin\AppData\Local\Temp\95a3b26416f41375ef06106fb58a3764.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:3488

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\95a3b26416f41375ef06106fb58a3764.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:2152

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\mcfobxjjc0.txt"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3836

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\mcfobxjjc1.txt"
4⤵
PID:1428

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\mcfobxjjc2.txt"
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:1640

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\mcfobxjjc3.txt"
4⤵
PID:1168

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\mcfobxjjc4.txt"
4⤵
PID:2464

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\mcfobxjjc2.txt

MD5
f94dc819ca773f1e3cb27abbc9e7fa27

SHA1
9a7700efadc5ea09ab288544ef1e3cd876255086

SHA256
a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

SHA512
72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

Download Submit
C:\Users\Admin\AppData\Roaming\U4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7\mcfobxjjc4.txt

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/1168-142-0x0000000000413750-mapping.dmp

Download
memory/1168-141-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1428-132-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1428-133-0x0000000000411654-mapping.dmp

Download
memory/1640-137-0x0000000000442F04-mapping.dmp

Download
memory/1640-136-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2152-119-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2152-124-0x00000000030D1000-0x00000000031CD000-memory.dmp

Filesize
1008KB

Download
memory/2152-123-0x00000000030D0000-0x0000000003223000-memory.dmp

Filesize
1.3MB

Download
memory/2152-120-0x0000000000401364-mapping.dmp

Download
memory/2464-145-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2464-146-0x000000000040C2A8-mapping.dmp

Download
memory/3488-127-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3488-116-0x00000000004010B8-mapping.dmp

Download
memory/3488-115-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3836-129-0x0000000000423BC0-mapping.dmp

Download
memory/3836-128-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3944-114-0x0000000004DD0000-0x00000000052CE000-memory.dmp

Filesize
5.0MB

Download