Malware Analysis Report

2024-09-11 13:00

Sample ID 240613-14bnbascpg
Target 449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646
SHA256 449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646
Tags
upx evasion persistence trojan
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

449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646

Threat Level: Known bad

The file 449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646 was found to be: Known bad.

Malicious Activity Summary

upx evasion persistence trojan

Windows security bypass

Sets file execution options in registry

Drops file in Drivers directory

Modifies Installed Components in the registry

Loads dropped DLL

UPX packed file

Executes dropped EXE

Windows security modification

Modifies WinLogon

Drops file in System32 directory

Drops file in Program Files directory

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

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 22:11

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 22:11

Reported

2024-06-13 22:14

Platform

win7-20240508-en

Max time kernel

149s

Max time network

119s

Command Line

winlogon.exe

Signatures

Windows security bypass

evasion trojan
Description Indicator Process Target
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
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "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\{50554D41-5254-4e52-5055-4D4152544e52}\StubPath = "C:\\Windows\\system32\\ahuy.exe" C:\Windows\SysWOW64\rmass.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{50554D41-5254-4e52-5055-4D4152544e52} C:\Windows\SysWOW64\rmass.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{50554D41-5254-4e52-5055-4D4152544e52}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" C:\Windows\SysWOW64\rmass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{50554D41-5254-4e52-5055-4D4152544e52}\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\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.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
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 created 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 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\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\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe N/A
File opened for modification 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\idbg32.exe C:\Windows\SysWOW64\rmass.exe N/A
File created C:\Windows\SysWOW64\rmass.exe C:\Users\Admin\AppData\Local\Temp\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.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:\Users\Admin\AppData\Local\Temp\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rmass.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1632 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe C:\Windows\SysWOW64\rmass.exe
PID 1632 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe C:\Windows\SysWOW64\rmass.exe
PID 1632 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe C:\Windows\SysWOW64\rmass.exe
PID 1632 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe C:\Windows\SysWOW64\rmass.exe
PID 2732 wrote to memory of 428 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\system32\winlogon.exe
PID 2732 wrote to memory of 1136 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\Explorer.EXE
PID 2732 wrote to memory of 2720 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\SysWOW64\rmass.exe
PID 2732 wrote to memory of 2720 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\SysWOW64\rmass.exe
PID 2732 wrote to memory of 2720 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\SysWOW64\rmass.exe
PID 2732 wrote to memory of 2720 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\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe

"C:\Users\Admin\AppData\Local\Temp\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe"

C:\Windows\SysWOW64\rmass.exe

"C:\Windows\system32\rmass.exe"

C:\Windows\SysWOW64\rmass.exe

--k33p

Network

Country Destination Domain Proto
US 8.8.8.8:53 ukovmsau.cd udp
US 8.8.8.8:53 ukovmsau.cd udp

Files

memory/1632-0-0x0000000000400000-0x0000000000411000-memory.dmp

\Windows\SysWOW64\rmass.exe

MD5 7034d5d91c2548e5b96fc29034cd745d
SHA1 a097cba58d7c1300edf6a8d4e6221c6855344261
SHA256 449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646
SHA512 4154bc637dd07b0d3a374601f8697c6367e1d3faeec1ebc02c48b9ffac6cc09ae4ff9d5305cb0220334e61b81d6aa861c0ed32d1e319363b53de3274d50f3a9c

memory/1632-5-0x0000000000360000-0x0000000000371000-memory.dmp

memory/1632-13-0x0000000000400000-0x0000000000411000-memory.dmp

memory/2732-14-0x0000000000400000-0x0000000000411000-memory.dmp

memory/2720-26-0x0000000000400000-0x0000000000411000-memory.dmp

C:\Windows\SysWOW64\ahuy.exe

MD5 c2054230b45f5d9f9e6bd1a372997098
SHA1 7d6a819136d816cd9602fea3d4d5d19165c86b75
SHA256 82725321568a0f06bfcbbeab8fe094f9e97e263d59b6c2dbac51fd4f7facaa12
SHA512 a0a5d2f8cf61c1d641cf440fe64dc70207730632f9f6a78569fc55d9a5cda9434e8840ca7753c0272358c48a140e4b2c8fcd680190293adddac104728241fc11

C:\Windows\SysWOW64\ntdbg.exe

MD5 c80dd273dc5981c01a8aafadfa5efe14
SHA1 19e7cd050ba1452bcd65a084ccd647927462fa33
SHA256 1b56b40e58762110f8154766f96ce5ddbf45f58d2e5c5bb3b86da5ccced5a36c
SHA512 7450a1e1ef38ff534a82a5a0ce237d60943113e92b91b7e7e0579afce12c495aef9a6f3d0143c34ef519ec7c23346ed2ec585bd4fb45d0e75bd7a09dd7983557

C:\Windows\SysWOW64\RECOVER32.DLL

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

memory/2732-60-0x0000000000400000-0x0000000000411000-memory.dmp

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

MD5 b10b13206b0f2cf3968050072f6979bf
SHA1 699db21ba9cecf3f13ac3d76e22cfa41aa94da80
SHA256 0eef3217095cb97b695c434e74d6314bf9e869a013d6e9c88e58c34576a276b4
SHA512 d33bfd931be6676539507a69101d99fa4c5ef36b12422bd11f063b9b6a47b7444f6c4ad5f35e044714fdb872e96cd9fddf049e8329af1219483887f6ac5f4a5d

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 22:11

Reported

2024-06-13 22:14

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

95s

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\{454E5851-4845-5442-454E-585148455442} C:\Windows\SysWOW64\rmass.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{454E5851-4845-5442-454E-585148455442}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" C:\Windows\SysWOW64\rmass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{454E5851-4845-5442-454E-585148455442}\IsInstalled = "1" C:\Windows\SysWOW64\rmass.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{454E5851-4845-5442-454E-585148455442}\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
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\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe N/A
File opened for modification 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\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\winrnt.exe 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\idbg32.exe C:\Windows\SysWOW64\rmass.exe N/A
File created C:\Windows\SysWOW64\rmass.exe C:\Users\Admin\AppData\Local\Temp\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe N/A
File created C:\Windows\SysWOW64\ntdbg.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:\Users\Admin\AppData\Local\Temp\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rmass.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 324 wrote to memory of 3224 N/A C:\Users\Admin\AppData\Local\Temp\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe C:\Windows\SysWOW64\rmass.exe
PID 324 wrote to memory of 3224 N/A C:\Users\Admin\AppData\Local\Temp\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe C:\Windows\SysWOW64\rmass.exe
PID 324 wrote to memory of 3224 N/A C:\Users\Admin\AppData\Local\Temp\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe C:\Windows\SysWOW64\rmass.exe
PID 3224 wrote to memory of 616 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\system32\winlogon.exe
PID 3224 wrote to memory of 3456 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\Explorer.EXE
PID 3224 wrote to memory of 2456 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\SysWOW64\rmass.exe
PID 3224 wrote to memory of 2456 N/A C:\Windows\SysWOW64\rmass.exe C:\Windows\SysWOW64\rmass.exe
PID 3224 wrote to memory of 2456 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\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe

"C:\Users\Admin\AppData\Local\Temp\449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646.exe"

C:\Windows\SysWOW64\rmass.exe

"C:\Windows\system32\rmass.exe"

C:\Windows\SysWOW64\rmass.exe

--k33p

Network

Country Destination Domain Proto
US 8.8.8.8:53 wyrok.pw udp
US 8.8.8.8:53 wyrok.pw udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 98.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/324-0-0x0000000000400000-0x0000000000411000-memory.dmp

C:\Windows\SysWOW64\rmass.exe

MD5 7034d5d91c2548e5b96fc29034cd745d
SHA1 a097cba58d7c1300edf6a8d4e6221c6855344261
SHA256 449caeb87ecc337c58ad327d728130eade2ca4b641d27cc6d20bdaa054597646
SHA512 4154bc637dd07b0d3a374601f8697c6367e1d3faeec1ebc02c48b9ffac6cc09ae4ff9d5305cb0220334e61b81d6aa861c0ed32d1e319363b53de3274d50f3a9c

memory/324-8-0x0000000000400000-0x0000000000411000-memory.dmp

memory/3224-10-0x0000000000400000-0x0000000000411000-memory.dmp

memory/2456-19-0x0000000000400000-0x0000000000411000-memory.dmp

C:\Windows\SysWOW64\ahuy.exe

MD5 7c73f908e9ab04dc97b0e36a7c6367f1
SHA1 3c791cb2a5acdf189710c2544264d3e0c5e386fb
SHA256 2cf42e9d33e0c562281fb42879a0de14688541b7a95f9ba4da0d8435c32a67e2
SHA512 7d8b05e499534f75dc138528ee8c0fd3d13ecd1c2851128ed71f34226b9dfe9ce97443d9600c7f1dc76b900c2f1d9466e22fa35e7ab76e9500fab3fcfd6ae382

C:\Windows\SysWOW64\ntdbg.exe

MD5 3b0477f323ada4da3b88b6b8d329c9be
SHA1 0e7d12d814ec4d2908d3d0f814a525edb4d8cb57
SHA256 bf4be0173ef7d2a8e4a9878926c83dcc41a90790b1f85fc450db8bf185cebc1e
SHA512 553f12188f99efac2cf0a370a0d88906499552a0ad357ff8d3d86922c33ad9bf99ef941cd1cc1831aafecd70ef1378beecad8708f4b241a85d9cbe27f5a99ceb

C:\Windows\SysWOW64\RECOVER32.DLL

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

memory/3224-53-0x0000000000400000-0x0000000000411000-memory.dmp

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

MD5 6f47b62de25d1745e296a06b3f98ed19
SHA1 a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f
SHA256 15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4
SHA512 dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7