xpertrat | d37b127c493bbf59bff2017e49513c0f80a5db906715f5e22bbb23d24c2cca3b

General

Target

SecuriteInfo.com.Trojan.Siggen17.50772.426.exe
Size

502KB
MD5

d1d7f23ea413b011f029e5d97890c41e
SHA1

82153f7e21609a7dfb1ee98e56915393bdb504b8
SHA256

d37b127c493bbf59bff2017e49513c0f80a5db906715f5e22bbb23d24c2cca3b
SHA512

a7bfc0c64be27fd45ab3d0b0aab47553a25de6535667e643b3caeecc8b9b7557b5ca361936ef2a32d44387ba5418ad5ece5065403992e1fbda869e7a49e5e298

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
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

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-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1400 208 WerFault.exe iexplore.exe

pid	pid_target	process	target process
1400	208	WerFault.exe	iexplore.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

SecuriteInfo.com.Trojan.Siggen17.50772.426.exeMSBuild.exe

description	pid	process	target process
PID 2592 set thread context of 3212	2592	SecuriteInfo.com.Trojan.Siggen17.50772.426.exe	MSBuild.exe
PID 3212 set thread context of 208	3212	MSBuild.exe	iexplore.exe
PID 3212 set thread context of 3808	3212	MSBuild.exe	iexplore.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

MSBuild.exe

pid process

3212 MSBuild.exe
3212 MSBuild.exe
3212 MSBuild.exe
3212 MSBuild.exe
3212 MSBuild.exe
3212 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

iexplore.exe

description pid process

Token: SeDebugPrivilege 3808 iexplore.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

MSBuild.exeiexplore.exe

pid process

3212 MSBuild.exe
3808 iexplore.exe

pid	process
3212	MSBuild.exe
3212	MSBuild.exe
3212	MSBuild.exe
3212	MSBuild.exe
3212	MSBuild.exe
3212	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	3808	iexplore.exe

pid	process
3212	MSBuild.exe
3808	iexplore.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

SecuriteInfo.com.Trojan.Siggen17.50772.426.exeMSBuild.exeiexplore.exe

description	pid	process	target process
PID 2592 wrote to memory of 3212	2592	SecuriteInfo.com.Trojan.Siggen17.50772.426.exe	MSBuild.exe
PID 2592 wrote to memory of 3212	2592	SecuriteInfo.com.Trojan.Siggen17.50772.426.exe	MSBuild.exe
PID 2592 wrote to memory of 3212	2592	SecuriteInfo.com.Trojan.Siggen17.50772.426.exe	MSBuild.exe
PID 2592 wrote to memory of 3212	2592	SecuriteInfo.com.Trojan.Siggen17.50772.426.exe	MSBuild.exe
PID 2592 wrote to memory of 3212	2592	SecuriteInfo.com.Trojan.Siggen17.50772.426.exe	MSBuild.exe
PID 2592 wrote to memory of 3212	2592	SecuriteInfo.com.Trojan.Siggen17.50772.426.exe	MSBuild.exe
PID 2592 wrote to memory of 3212	2592	SecuriteInfo.com.Trojan.Siggen17.50772.426.exe	MSBuild.exe
PID 3212 wrote to memory of 208	3212	MSBuild.exe	iexplore.exe
PID 3212 wrote to memory of 208	3212	MSBuild.exe	iexplore.exe
PID 3212 wrote to memory of 208	3212	MSBuild.exe	iexplore.exe
PID 3212 wrote to memory of 208	3212	MSBuild.exe	iexplore.exe
PID 3212 wrote to memory of 208	3212	MSBuild.exe	iexplore.exe
PID 3212 wrote to memory of 208	3212	MSBuild.exe	iexplore.exe
PID 3212 wrote to memory of 208	3212	MSBuild.exe	iexplore.exe
PID 3212 wrote to memory of 208	3212	MSBuild.exe	iexplore.exe
PID 3212 wrote to memory of 3808	3212	MSBuild.exe	iexplore.exe
PID 3212 wrote to memory of 3808	3212	MSBuild.exe	iexplore.exe
PID 3212 wrote to memory of 3808	3212	MSBuild.exe	iexplore.exe
PID 3212 wrote to memory of 3808	3212	MSBuild.exe	iexplore.exe
PID 3212 wrote to memory of 3808	3212	MSBuild.exe	iexplore.exe
PID 3212 wrote to memory of 3808	3212	MSBuild.exe	iexplore.exe
PID 3212 wrote to memory of 3808	3212	MSBuild.exe	iexplore.exe
PID 3212 wrote to memory of 3808	3212	MSBuild.exe	iexplore.exe
PID 3808 wrote to memory of 2936	3808	iexplore.exe	notepad.exe
PID 3808 wrote to memory of 2936	3808	iexplore.exe	notepad.exe
PID 3808 wrote to memory of 2936	3808	iexplore.exe	notepad.exe
PID 3808 wrote to memory of 2936	3808	iexplore.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen17.50772.426.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen17.50772.426.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2592

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3212

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
3⤵
PID:208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 84
4⤵
- Program crash
PID:1400

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:3808

C:\Windows\SysWOW64\notepad.exe
notepad.exe
4⤵
PID:2936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 208 -ip 208
1⤵
PID:4772

Network

MITRE ATT&CK Matrix ATT&CK 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

2

T1089

Modify Registry

4

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2592-130-0x00000000007E0000-0x0000000000864000-memory.dmp

Filesize
528KB

Download
memory/2592-131-0x00000000055E0000-0x0000000005B84000-memory.dmp

Filesize
5.6MB

Download
memory/2592-132-0x00000000050D0000-0x0000000005162000-memory.dmp

Filesize
584KB

Download
memory/2592-133-0x0000000005210000-0x00000000052AC000-memory.dmp

Filesize
624KB

Download
memory/2592-134-0x0000000005170000-0x000000000517A000-memory.dmp

Filesize
40KB

Download
memory/2592-135-0x00000000075C0000-0x0000000007626000-memory.dmp

Filesize
408KB

Download
memory/2936-143-0x0000000000000000-mapping.dmp

Download
memory/3212-136-0x0000000000000000-mapping.dmp

Download
memory/3212-137-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3212-139-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3212-142-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads