Malware Analysis Report

2024-09-11 13:06

Sample ID 240613-27vq2aycjk
Target 5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433
SHA256 5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433
Tags
evasion persistence trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433

Threat Level: Known bad

The file 5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433 was found to be: Known bad.

Malicious Activity Summary

evasion persistence trojan upx

Windows security bypass

Drops file in Drivers directory

Modifies Installed Components in the registry

Sets file execution options in registry

Executes dropped EXE

Windows security modification

Loads dropped DLL

UPX packed file

Modifies WinLogon

Drops file in System32 directory

Drops file in Program Files directory

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Winlogon Helper DLL
T1547.004
Privilege Escalation
TA0004
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Winlogon Helper DLL
T1547.004
Defense Evasion
TA0005
Impair Defenses
T1562
Disable or Modify Tools
T1562.001
Modify Registry
T1112
Credential Access
TA0006
Discovery
TA0007
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-13 23:13

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 23:13

Reported

2024-06-13 23:16

Platform

win7-20240508-en

Max time kernel

149s

Max time network

118s

Command Line

winlogon.exe

Signatures

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "5120" C:\Windows\SysWOW64\rmass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "5120" C:\Windows\SysWOW64\rmass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "5120" C:\Windows\SysWOW64\rmass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "5120" C:\Windows\SysWOW64\rmass.exe N/A

Drops file in Drivers directory

Description Indicator Process Target
File opened for modification C:\Windows\system32\drivers\etc\hosts C:\Windows\SysWOW64\rmass.exe N/A

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{55485251-4b4a-4350-5548-52514B4A4350}\StubPath = "C:\\Windows\\system32\\ahuy.exe" C:\Windows\SysWOW64\rmass.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{55485251-4b4a-4350-5548-52514B4A4350} C:\Windows\SysWOW64\rmass.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{55485251-4b4a-4350-5548-52514B4A4350}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" C:\Windows\SysWOW64\rmass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{55485251-4b4a-4350-5548-52514B4A4350}\IsInstalled = "1" C:\Windows\SysWOW64\rmass.exe N/A

Sets file execution options in registry

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe C:\Windows\SysWOW64\rmass.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" C:\Windows\SysWOW64\rmass.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ntdbg.exe" C:\Windows\SysWOW64\rmass.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe N/A
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "5120" C:\Windows\SysWOW64\rmass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "5120" C:\Windows\SysWOW64\rmass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "5120" C:\Windows\SysWOW64\rmass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "5120" C:\Windows\SysWOW64\rmass.exe N/A

Modifies WinLogon

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} C:\Windows\SysWOW64\rmass.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify C:\Windows\SysWOW64\rmass.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" C:\Windows\SysWOW64\rmass.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\RECOVER32.DLL" C:\Windows\SysWOW64\rmass.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" C:\Windows\SysWOW64\rmass.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\RECOVER32.DLL C:\Windows\SysWOW64\rmass.exe N/A
File opened for modification C:\Windows\SysWOW64\winrnt.exe C:\Windows\SysWOW64\rmass.exe N/A
File opened for modification C:\Windows\SysWOW64\idbg32.exe C:\Windows\SysWOW64\rmass.exe N/A
File opened for modification C:\Windows\SysWOW64\ntdbg.exe C:\Windows\SysWOW64\rmass.exe N/A
File created C:\Windows\SysWOW64\ahuy.exe C:\Windows\SysWOW64\rmass.exe N/A
File created C:\Windows\SysWOW64\ntdbg.exe C:\Windows\SysWOW64\rmass.exe N/A
File opened for modification C:\Windows\SysWOW64\ahuy.exe C:\Windows\SysWOW64\rmass.exe N/A
File created C:\Windows\SysWOW64\RECOVER32.DLL C:\Windows\SysWOW64\rmass.exe N/A
File opened for modification C:\Windows\SysWOW64\aset32.exe C:\Windows\SysWOW64\rmass.exe N/A
File opened for modification C:\Windows\SysWOW64\rmass.exe C:\Windows\SysWOW64\rmass.exe N/A
File opened for modification C:\Windows\SysWOW64\rmass.exe C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe N/A
File created C:\Windows\SysWOW64\rmass.exe C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Common Files\System\winrnt.exe C:\Windows\SysWOW64\rmass.exe N/A
File opened for modification C:\Program Files (x86)\Common Files\System\aset32.exe C:\Windows\SysWOW64\rmass.exe N/A
File opened for modification C:\Program Files (x86)\Common Files\System\idbg32.exe C:\Windows\SysWOW64\rmass.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rmass.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1744 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe C:\Windows\SysWOW64\rmass.exe
PID 1744 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe C:\Windows\SysWOW64\rmass.exe
PID 1744 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe C:\Windows\SysWOW64\rmass.exe
PID 1744 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe C:\Windows\SysWOW64\rmass.exe
PID 2804 wrote to memory of 432 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\system32\winlogon.exe
PID 2804 wrote to memory of 1196 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\Explorer.EXE
PID 2804 wrote to memory of 2632 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\SysWOW64\rmass.exe
PID 2804 wrote to memory of 2632 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\SysWOW64\rmass.exe
PID 2804 wrote to memory of 2632 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\SysWOW64\rmass.exe
PID 2804 wrote to memory of 2632 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\SysWOW64\rmass.exe

Processes

C:\Windows\system32\winlogon.exe

winlogon.exe

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe

"C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe"

C:\Windows\SysWOW64\rmass.exe

"C:\Windows\SysWOW64\rmass.exe"

C:\Windows\SysWOW64\rmass.exe

--k33p

Network

Country Destination Domain Proto
US 8.8.8.8:53 odaytvqca.pw udp
US 8.8.8.8:53 odaytvqca.pw udp

Files

\Windows\SysWOW64\rmass.exe

MD5 f1113646a6a356a81b960aa6c8b4239f
SHA1 e3a7784b0179f07da5c8c8ce1e019b6bb105e3fd
SHA256 6025173244f04ea84d7d7c2666787457668e744c46531abfd323575fc7d66e37
SHA512 d6540c6a2cd5651e416c377f0fb7f3a10965619a767e8c7c166f9837dc17090e8349e796b7041aaa22d32d956a173c84dfbf25e6dc1e951c62e1f59afcf61271

memory/1744-2-0x0000000000020000-0x0000000000031000-memory.dmp

memory/1744-8-0x0000000000400000-0x0000000000403000-memory.dmp

memory/2804-10-0x0000000000400000-0x0000000000411000-memory.dmp

memory/2804-21-0x00000000003B0000-0x00000000003C1000-memory.dmp

memory/2632-23-0x0000000000400000-0x0000000000411000-memory.dmp

C:\Windows\SysWOW64\RECOVER32.DLL

MD5 2b2c28a7a01f9584fe220ef84003427f
SHA1 5fc023df0b5064045eb8de7f2dbe26f07f6fec70
SHA256 9e00af53b1d0c0f5270d94a666d95aa7b4dcb9fea49487c210c055c9dcfcc9eb
SHA512 39192a8a91dec1abff25af8dac0cf39da4dfd51b3fb4f1ef0b4e776185d4280fbe8387c2ea778da7bbf2ce288b0bce4d23cbe8d9e87bbd250159044f5adbac78

C:\Windows\SysWOW64\ntdbg.exe

MD5 f0f5432fbd924ce7147e4e620d291181
SHA1 30c75957f4353c2fa4f8a583caa34be28fd258bc
SHA256 ef252ec0996c44f1c6ea604fd274e0d1ad3e046ef2d112e6b42524dc992e5312
SHA512 716aeb4f2a2f9fb5d49b61d084fcf4c3c835de781cfa424ecc163a0b28c18aa3d2a190a4f23e10523f795f8d221743610836145ce3b9c824888e344bb38be191

C:\Windows\SysWOW64\ahuy.exe

MD5 0352b50eebae90f0e9891126ac8468e2
SHA1 179c43620775335d27ab328a9636558a2749c56e
SHA256 efd461f0e396a4620e34c653b2868a0882eae8fa1704540fb29d69aac7af3527
SHA512 932f921ba1a7dae02b987eaf4e8486fc2bb50ce32f3e5a129684652a452b06171235b363cd9ca3a4b9aacbd14430ef1964ada95539639359e3f850a94a39e55d

memory/2804-57-0x0000000000400000-0x0000000000411000-memory.dmp

memory/2632-58-0x0000000000400000-0x0000000000411000-memory.dmp

C:\Windows\System32\drivers\etc\hosts

MD5 b10b13206b0f2cf3968050072f6979bf
SHA1 699db21ba9cecf3f13ac3d76e22cfa41aa94da80
SHA256 0eef3217095cb97b695c434e74d6314bf9e869a013d6e9c88e58c34576a276b4
SHA512 d33bfd931be6676539507a69101d99fa4c5ef36b12422bd11f063b9b6a47b7444f6c4ad5f35e044714fdb872e96cd9fddf049e8329af1219483887f6ac5f4a5d

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 23:13

Reported

2024-06-13 23:16

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

56s

Command Line

winlogon.exe

Signatures

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "5120" C:\Windows\SysWOW64\rmass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "5120" C:\Windows\SysWOW64\rmass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "5120" C:\Windows\SysWOW64\rmass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "5120" C:\Windows\SysWOW64\rmass.exe N/A

Drops file in Drivers directory

Description Indicator Process Target
File opened for modification C:\Windows\system32\drivers\etc\hosts C:\Windows\SysWOW64\rmass.exe N/A

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47534147-4d48-4351-4753-41474D484351} C:\Windows\SysWOW64\rmass.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47534147-4d48-4351-4753-41474D484351}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" C:\Windows\SysWOW64\rmass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47534147-4d48-4351-4753-41474D484351}\IsInstalled = "1" C:\Windows\SysWOW64\rmass.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47534147-4d48-4351-4753-41474D484351}\StubPath = "C:\\Windows\\system32\\ahuy.exe" C:\Windows\SysWOW64\rmass.exe N/A

Sets file execution options in registry

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe C:\Windows\SysWOW64\rmass.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" C:\Windows\SysWOW64\rmass.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ntdbg.exe" C:\Windows\SysWOW64\rmass.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "5120" C:\Windows\SysWOW64\rmass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "5120" C:\Windows\SysWOW64\rmass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "5120" C:\Windows\SysWOW64\rmass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "5120" C:\Windows\SysWOW64\rmass.exe N/A

Modifies WinLogon

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} C:\Windows\SysWOW64\rmass.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify C:\Windows\SysWOW64\rmass.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" C:\Windows\SysWOW64\rmass.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\RECOVER32.DLL" C:\Windows\SysWOW64\rmass.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" C:\Windows\SysWOW64\rmass.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\rmass.exe C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe N/A
File opened for modification C:\Windows\SysWOW64\winrnt.exe C:\Windows\SysWOW64\rmass.exe N/A
File opened for modification C:\Windows\SysWOW64\RECOVER32.DLL C:\Windows\SysWOW64\rmass.exe N/A
File created C:\Windows\SysWOW64\RECOVER32.DLL C:\Windows\SysWOW64\rmass.exe N/A
File opened for modification C:\Windows\SysWOW64\aset32.exe C:\Windows\SysWOW64\rmass.exe N/A
File created C:\Windows\SysWOW64\rmass.exe C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe N/A
File opened for modification C:\Windows\SysWOW64\ntdbg.exe C:\Windows\SysWOW64\rmass.exe N/A
File created C:\Windows\SysWOW64\ntdbg.exe C:\Windows\SysWOW64\rmass.exe N/A
File opened for modification C:\Windows\SysWOW64\ahuy.exe C:\Windows\SysWOW64\rmass.exe N/A
File created C:\Windows\SysWOW64\ahuy.exe C:\Windows\SysWOW64\rmass.exe N/A
File opened for modification C:\Windows\SysWOW64\idbg32.exe C:\Windows\SysWOW64\rmass.exe N/A
File opened for modification C:\Windows\SysWOW64\rmass.exe C:\Windows\SysWOW64\rmass.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Common Files\System\winrnt.exe C:\Windows\SysWOW64\rmass.exe N/A
File opened for modification C:\Program Files (x86)\Common Files\System\aset32.exe C:\Windows\SysWOW64\rmass.exe N/A
File opened for modification C:\Program Files (x86)\Common Files\System\idbg32.exe C:\Windows\SysWOW64\rmass.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A
N/A N/A C:\Windows\SysWOW64\rmass.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rmass.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2300 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe C:\Windows\SysWOW64\rmass.exe
PID 2300 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe C:\Windows\SysWOW64\rmass.exe
PID 2300 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe C:\Windows\SysWOW64\rmass.exe
PID 1448 wrote to memory of 616 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\system32\winlogon.exe
PID 1448 wrote to memory of 3460 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\Explorer.EXE
PID 1448 wrote to memory of 1164 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\SysWOW64\rmass.exe
PID 1448 wrote to memory of 1164 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\SysWOW64\rmass.exe
PID 1448 wrote to memory of 1164 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\SysWOW64\rmass.exe

Processes

C:\Windows\system32\winlogon.exe

winlogon.exe

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe

"C:\Users\Admin\AppData\Local\Temp\5a54e57a8054961caaee3e8ad6d5aeb7703e9e68147a5cfbd05d71dbe9481433.exe"

C:\Windows\SysWOW64\rmass.exe

"C:\Windows\SysWOW64\rmass.exe"

C:\Windows\SysWOW64\rmass.exe

--k33p

Network

Country Destination Domain Proto
US 8.8.8.8:53 bymizagzeu.st udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 bymizagzeu.st udp

Files

C:\Windows\SysWOW64\rmass.exe

MD5 f1113646a6a356a81b960aa6c8b4239f
SHA1 e3a7784b0179f07da5c8c8ce1e019b6bb105e3fd
SHA256 6025173244f04ea84d7d7c2666787457668e744c46531abfd323575fc7d66e37
SHA512 d6540c6a2cd5651e416c377f0fb7f3a10965619a767e8c7c166f9837dc17090e8349e796b7041aaa22d32d956a173c84dfbf25e6dc1e951c62e1f59afcf61271

memory/2300-3-0x0000000000400000-0x0000000000403000-memory.dmp

memory/1448-5-0x0000000000400000-0x0000000000411000-memory.dmp

memory/1164-15-0x0000000000400000-0x0000000000411000-memory.dmp

C:\Windows\SysWOW64\ahuy.exe

MD5 61dad0d84b4f15434c7b7bb3002d8e2f
SHA1 9782949ba3bb09f5c91b60904782e0fbd8b56b87
SHA256 47cfda31e67417d5b211724bc8df8c3e27de73d6055511d9428294171cebc98c
SHA512 9e8c38e7fcdcf66c6ad8898164b9e2114178102705be0b504ca2117e39d3731756e04f0bc59f62740f4f874de2a225ef8b745c14cae1f88181cf83ef5565aa9e

C:\Windows\SysWOW64\ntdbg.exe

MD5 fad8945cda2dc408318b1c816090ed47
SHA1 b07f2f5d15be94c8d3fdde6e1e6a011e6ba6e1ff
SHA256 a2ec17e49952cc58fbca272cb065e8cfc83b02d0aada4842480428634d1f5418
SHA512 2acd57c38fcd49c6bbd4825dce8d72c6e0feac4886823a6833df22f2b23de59ee24e4f1ae83ccf65c2bbf7339c98576c12ec15e7ad108ebfc14198a5c4d519da

C:\Windows\SysWOW64\RECOVER32.DLL

MD5 2b2c28a7a01f9584fe220ef84003427f
SHA1 5fc023df0b5064045eb8de7f2dbe26f07f6fec70
SHA256 9e00af53b1d0c0f5270d94a666d95aa7b4dcb9fea49487c210c055c9dcfcc9eb
SHA512 39192a8a91dec1abff25af8dac0cf39da4dfd51b3fb4f1ef0b4e776185d4280fbe8387c2ea778da7bbf2ce288b0bce4d23cbe8d9e87bbd250159044f5adbac78

memory/1448-49-0x0000000000400000-0x0000000000411000-memory.dmp

C:\Windows\System32\drivers\etc\hosts

MD5 6f47b62de25d1745e296a06b3f98ed19
SHA1 a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f
SHA256 15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4
SHA512 dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7