xpertrat | d37b127c493bbf59bff2017e49513c0f80a5db906715f5e22bbb23d24c2cca3b

Analysis

max time kernel
170s
max time network
176s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
12/05/2022, 21:44

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
SecuriteInfo.com.Trojan.Siggen17.50772.426.exe
Size 502KB
Sample220512-1lf53sada9
SHA256 d37b127c493bbf59bff2017e49513c0f80a5db906715f5e22bbb23d24c2cca3b
MD5 d1d7f23ea413b011f029e5d97890c41e
SHA1 82153f7e21609a7dfb1ee98e56915393bdb504b8
SHA512 a7bfc0c64be27fd45ab3d0b0aab47553a25de6535667e643b3caeecc8b9b7557b5ca361936ef2a32d44387ba5418ad5ece5065403992e1fbda869e7a49e5e298
MD5 SHA1 SHA512

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

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

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

pid	pid_target	Process	procid_target
1400	208	WerFault.exe	99

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2592 set thread context of 3212	2592	SecuriteInfo.com.Trojan.Siggen17.50772.426.exe	98
PID 3212 set thread context of 208	3212	MSBuild.exe	99
PID 3212 set thread context of 3808	3212	MSBuild.exe	103

Suspicious behavior: EnumeratesProcesses 6 IoCs

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

description	pid	Process
Token: SeDebugPrivilege	3808	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3212	MSBuild.exe
3808	iexplore.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 3212	2592	SecuriteInfo.com.Trojan.Siggen17.50772.426.exe	98
PID 2592 wrote to memory of 3212	2592	SecuriteInfo.com.Trojan.Siggen17.50772.426.exe	98
PID 2592 wrote to memory of 3212	2592	SecuriteInfo.com.Trojan.Siggen17.50772.426.exe	98
PID 2592 wrote to memory of 3212	2592	SecuriteInfo.com.Trojan.Siggen17.50772.426.exe	98
PID 2592 wrote to memory of 3212	2592	SecuriteInfo.com.Trojan.Siggen17.50772.426.exe	98
PID 2592 wrote to memory of 3212	2592	SecuriteInfo.com.Trojan.Siggen17.50772.426.exe	98
PID 2592 wrote to memory of 3212	2592	SecuriteInfo.com.Trojan.Siggen17.50772.426.exe	98
PID 3212 wrote to memory of 208	3212	MSBuild.exe	99
PID 3212 wrote to memory of 208	3212	MSBuild.exe	99
PID 3212 wrote to memory of 208	3212	MSBuild.exe	99
PID 3212 wrote to memory of 208	3212	MSBuild.exe	99
PID 3212 wrote to memory of 208	3212	MSBuild.exe	99
PID 3212 wrote to memory of 208	3212	MSBuild.exe	99
PID 3212 wrote to memory of 208	3212	MSBuild.exe	99
PID 3212 wrote to memory of 208	3212	MSBuild.exe	99
PID 3212 wrote to memory of 3808	3212	MSBuild.exe	103
PID 3212 wrote to memory of 3808	3212	MSBuild.exe	103
PID 3212 wrote to memory of 3808	3212	MSBuild.exe	103
PID 3212 wrote to memory of 3808	3212	MSBuild.exe	103
PID 3212 wrote to memory of 3808	3212	MSBuild.exe	103
PID 3212 wrote to memory of 3808	3212	MSBuild.exe	103
PID 3212 wrote to memory of 3808	3212	MSBuild.exe	103
PID 3212 wrote to memory of 3808	3212	MSBuild.exe	103
PID 3808 wrote to memory of 2936	3808	iexplore.exe	104
PID 3808 wrote to memory of 2936	3808	iexplore.exe	104
PID 3808 wrote to memory of 2936	3808	iexplore.exe	104
PID 3808 wrote to memory of 2936	3808	iexplore.exe	104

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 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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Download

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

Download

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

Download

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

Download

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

Download

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

Download

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

Download

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

Download

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

Download