xpertrat | 5f55d8c4830b28a08183d87428064f6a641f7c95ffe373cafe1ecb8b36043d99

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220331-en
submitted
14/04/2022, 16:41

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General

Target
SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe
Size 687KB
Sample220414-t63q9aged5
SHA256 5f55d8c4830b28a08183d87428064f6a641f7c95ffe373cafe1ecb8b36043d99
MD5 dd7de3e242afd0dbd6166879237df822
SHA1 3a4fb913f82082633f6130f12c28fa10b53db91e
SHA512 2c853287bddd0156f486ec8e7f36ee8d4a1f2e47b43c9a4f126e980546ce4359de7f7c1bfd2db1133cdfa5b99e64587b9e1f85898fc1eb95ac3d7b4161a181dc
MD5 SHA1 SHA512

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

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\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6 = "C:\\Users\\Admin\\AppData\\Roaming\\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6\\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6.exe"	iexplore.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6 = "C:\\Users\\Admin\\AppData\\Roaming\\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6\\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6.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\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6 = "C:\\Users\\Admin\\AppData\\Roaming\\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6\\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6.exe"	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4572	1156	WerFault.exe	96
4648	3912	WerFault.exe	100
952	4956	WerFault.exe	104
3064	3804	WerFault.exe	108

Suspicious use of SetThreadContext 11 IoCs

description	pid	Process	procid_target
PID 1376 set thread context of 4968	1376	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	85
PID 4968 set thread context of 5016	4968	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	86
PID 5016 set thread context of 600	5016	iexplore.exe	95
PID 5016 set thread context of 1156	5016	iexplore.exe	96
PID 5016 set thread context of 3912	5016	iexplore.exe	100
PID 5016 set thread context of 1924	5016	iexplore.exe	103
PID 5016 set thread context of 4956	5016	iexplore.exe	104
PID 5016 set thread context of 4964	5016	iexplore.exe	107
PID 5016 set thread context of 3804	5016	iexplore.exe	108
PID 5016 set thread context of 2392	5016	iexplore.exe	111
PID 5016 set thread context of 968	5016	iexplore.exe	112

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4968	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe
4968	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe
4968	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe
4968	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe
600	iexplore.exe
600	iexplore.exe
4964	iexplore.exe
4964	iexplore.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5016	iexplore.exe
Token: SeDebugPrivilege	600	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4968	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe
5016	iexplore.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 4968	1376	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	85
PID 1376 wrote to memory of 4968	1376	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	85
PID 1376 wrote to memory of 4968	1376	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	85
PID 1376 wrote to memory of 4968	1376	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	85
PID 1376 wrote to memory of 4968	1376	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	85
PID 1376 wrote to memory of 4968	1376	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	85
PID 1376 wrote to memory of 4968	1376	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	85
PID 4968 wrote to memory of 5016	4968	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	86
PID 4968 wrote to memory of 5016	4968	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	86
PID 4968 wrote to memory of 5016	4968	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	86
PID 4968 wrote to memory of 5016	4968	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	86
PID 4968 wrote to memory of 5016	4968	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	86
PID 4968 wrote to memory of 5016	4968	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	86
PID 4968 wrote to memory of 5016	4968	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	86
PID 4968 wrote to memory of 5016	4968	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe	86
PID 5016 wrote to memory of 600	5016	iexplore.exe	95
PID 5016 wrote to memory of 600	5016	iexplore.exe	95
PID 5016 wrote to memory of 600	5016	iexplore.exe	95
PID 5016 wrote to memory of 600	5016	iexplore.exe	95
PID 5016 wrote to memory of 600	5016	iexplore.exe	95
PID 5016 wrote to memory of 600	5016	iexplore.exe	95
PID 5016 wrote to memory of 600	5016	iexplore.exe	95
PID 5016 wrote to memory of 600	5016	iexplore.exe	95
PID 5016 wrote to memory of 1156	5016	iexplore.exe	96
PID 5016 wrote to memory of 1156	5016	iexplore.exe	96
PID 5016 wrote to memory of 1156	5016	iexplore.exe	96
PID 5016 wrote to memory of 1156	5016	iexplore.exe	96
PID 5016 wrote to memory of 1156	5016	iexplore.exe	96
PID 5016 wrote to memory of 1156	5016	iexplore.exe	96
PID 5016 wrote to memory of 1156	5016	iexplore.exe	96
PID 5016 wrote to memory of 1156	5016	iexplore.exe	96
PID 5016 wrote to memory of 1156	5016	iexplore.exe	96
PID 5016 wrote to memory of 3912	5016	iexplore.exe	100
PID 5016 wrote to memory of 3912	5016	iexplore.exe	100
PID 5016 wrote to memory of 3912	5016	iexplore.exe	100
PID 5016 wrote to memory of 3912	5016	iexplore.exe	100
PID 5016 wrote to memory of 3912	5016	iexplore.exe	100
PID 5016 wrote to memory of 3912	5016	iexplore.exe	100
PID 5016 wrote to memory of 3912	5016	iexplore.exe	100
PID 5016 wrote to memory of 3912	5016	iexplore.exe	100
PID 5016 wrote to memory of 3912	5016	iexplore.exe	100
PID 5016 wrote to memory of 1924	5016	iexplore.exe	103
PID 5016 wrote to memory of 1924	5016	iexplore.exe	103
PID 5016 wrote to memory of 1924	5016	iexplore.exe	103
PID 5016 wrote to memory of 1924	5016	iexplore.exe	103
PID 5016 wrote to memory of 1924	5016	iexplore.exe	103
PID 5016 wrote to memory of 1924	5016	iexplore.exe	103
PID 5016 wrote to memory of 1924	5016	iexplore.exe	103
PID 5016 wrote to memory of 1924	5016	iexplore.exe	103
PID 5016 wrote to memory of 1924	5016	iexplore.exe	103
PID 5016 wrote to memory of 4956	5016	iexplore.exe	104
PID 5016 wrote to memory of 4956	5016	iexplore.exe	104
PID 5016 wrote to memory of 4956	5016	iexplore.exe	104
PID 5016 wrote to memory of 4956	5016	iexplore.exe	104
PID 5016 wrote to memory of 4956	5016	iexplore.exe	104
PID 5016 wrote to memory of 4956	5016	iexplore.exe	104
PID 5016 wrote to memory of 4956	5016	iexplore.exe	104
PID 5016 wrote to memory of 4956	5016	iexplore.exe	104
PID 5016 wrote to memory of 4956	5016	iexplore.exe	104
PID 5016 wrote to memory of 4964	5016	iexplore.exe	107
PID 5016 wrote to memory of 4964	5016	iexplore.exe	107
PID 5016 wrote to memory of 4964	5016	iexplore.exe	107
PID 5016 wrote to memory of 4964	5016	iexplore.exe	107
PID 5016 wrote to memory of 4964	5016	iexplore.exe	107

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.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:4968
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SpyBotNET.25.4997.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:5016
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6\eenybgelg0.txt"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:600
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6\eenybgelg1.txt"
      4⤵
      PID:1156
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1156 -s 84
        5⤵
        Program crash
        
        PID:4572
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6\eenybgelg1.txt"
      4⤵
      PID:3912
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3912 -s 84
        5⤵
        Program crash
        
        PID:4648
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6\eenybgelg1.txt"
      4⤵
      Accesses Microsoft Outlook accounts
      PID:1924
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6\eenybgelg2.txt"
      4⤵
      PID:4956
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 84
        5⤵
        Program crash
        
        PID:952
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6\eenybgelg2.txt"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:4964
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6\eenybgelg3.txt"
      4⤵
      PID:3804
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3804 -s 84
        5⤵
        Program crash
        
        PID:3064
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6\eenybgelg3.txt"
      4⤵
      PID:2392
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6\eenybgelg4.txt"
      4⤵
      PID:968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1156 -ip 1156
1⤵
PID:1556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3912 -ip 3912
1⤵
PID:4972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4956 -ip 4956
1⤵
PID:1848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3804 -ip 3804
1⤵
PID:3932

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

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

eenybgelg2.txt

Path C:\Users\Admin\AppData\Roaming\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6\eenybgelg2.txt
Size 3KB
SHA256 a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
MD5 f94dc819ca773f1e3cb27abbc9e7fa27
SHA1 9a7700efadc5ea09ab288544ef1e3cd876255086
SHA512 72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
MD5 SHA1 SHA512

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eenybgelg4.txt

Path C:\Users\Admin\AppData\Roaming\Q4V8N5Y3-O0F7-P7T5-U113-K7R6L4T0H6H6\eenybgelg4.txt
Size 2B
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
MD5 SHA1 SHA512

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memory/1376-124-0x0000000000DB0000-0x0000000000E62000-memory.dmp

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memory/1376-125-0x0000000005F20000-0x00000000064C4000-memory.dmp

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memory/1376-126-0x0000000005860000-0x00000000058F2000-memory.dmp

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memory/1376-127-0x0000000005800000-0x000000000580A000-memory.dmp

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memory/1376-128-0x0000000007CD0000-0x0000000007D6C000-memory.dmp

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memory/1376-129-0x0000000008000000-0x0000000008066000-memory.dmp

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memory/4968-131-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/4968-133-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/4968-136-0x0000000000400000-0x000000000042C000-memory.dmp

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