92b5a1aa6b9ee325b8ac7953fcec6f3bcb74da7f385fcba8c7471563be6ccddb

General

Target

828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
Size

22KB
MD5

828612359d55d8d0619fcc991584a0e0
SHA1

9ab5d667640fb6fda3e20c117270f5e8823a5bf4
SHA256

92b5a1aa6b9ee325b8ac7953fcec6f3bcb74da7f385fcba8c7471563be6ccddb
SHA512

16a39ecef2f861d4dfa63d1bde5ab772bd37d7c82f8428e7d6c8747edc232f005868adb9cb996b97f9e87be5e155a5c255d6bcffed0872171173e4aaae073113
SSDEEP

384:UBWoC5GDr6wc/w3HgM6vDUTAXBGCVf4WVlFvXVB7PA:rRkiLw3HsDSARGG/rPA

Score

10^/10

evasion persistence trojan upx

Malware Config

Signatures

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

rmass.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "5120"	rmass.exe

Drops file in Drivers directory 1 IoCs

Processes:

rmass.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts rmass.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	rmass.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

rmass.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{484B554C-4249-4255-484B-554C42494255}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{484B554C-4249-4255-484B-554C42494255}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{484B554C-4249-4255-484B-554C42494255}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{484B554C-4249-4255-484B-554C42494255}\StubPath = "C:\\Windows\\system32\\ahuy.exe"	rmass.exe

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

rmass.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ntdbg.exe"	rmass.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	rmass.exe

Executes dropped EXE 2 IoCs

Processes:

rmass.exermass.exe

pid process

2872 rmass.exe
2596 rmass.exe
Loads dropped DLL 3 IoCs

Processes:

828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exermass.exe

pid process

2172 828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
2172 828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
2872 rmass.exe

pid	process
2872	rmass.exe
2596	rmass.exe

pid	process
2172	828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
2172	828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
2872	rmass.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2172-0-0x0000000000400000-0x0000000000411000-memory.dmp	upx
\Windows\SysWOW64\rmass.exe	upx
behavioral1/memory/2172-5-0x0000000000320000-0x0000000000331000-memory.dmp	upx
behavioral1/memory/2172-12-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2596-26-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2872-25-0x0000000000530000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2872-60-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2596-61-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2872-100-0x0000000000530000-0x0000000000541000-memory.dmp	upx

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

rmass.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "5120"	rmass.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

rmass.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	rmass.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	rmass.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\RECOVER32.DLL"	rmass.exe

Drops file in System32 directory 12 IoCs

Processes:

828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exermass.exe

description	ioc	process
File created	C:\Windows\SysWOW64\rmass.exe	828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\ntdbg.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\ahuy.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\winrnt.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\idbg32.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\rmass.exe	828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\ntdbg.exe	rmass.exe
File created	C:\Windows\SysWOW64\ahuy.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\RECOVER32.DLL	rmass.exe
File created	C:\Windows\SysWOW64\RECOVER32.DLL	rmass.exe
File opened for modification	C:\Windows\SysWOW64\aset32.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\rmass.exe	rmass.exe

Drops file in Program Files directory 3 IoCs

Processes:

rmass.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Common Files\System\idbg32.exe	rmass.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\winrnt.exe	rmass.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\aset32.exe	rmass.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rmass.exermass.exe

pid process

2872 rmass.exe
2872 rmass.exe
2872 rmass.exe
2596 rmass.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exermass.exe

description pid process

Token: SeDebugPrivilege 2172 828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
Token: SeDebugPrivilege 2872 rmass.exe

pid	process
2872	rmass.exe
2872	rmass.exe
2872	rmass.exe
2596	rmass.exe

description	pid	process
Token: SeDebugPrivilege	2172	828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
Token: SeDebugPrivilege	2872	rmass.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exermass.exe

description	pid	process	target process
PID 2172 wrote to memory of 2872	2172	828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe	rmass.exe
PID 2172 wrote to memory of 2872	2172	828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe	rmass.exe
PID 2172 wrote to memory of 2872	2172	828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe	rmass.exe
PID 2172 wrote to memory of 2872	2172	828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe	rmass.exe
PID 2872 wrote to memory of 436	2872	rmass.exe	winlogon.exe
PID 2872 wrote to memory of 1112	2872	rmass.exe	Explorer.EXE
PID 2872 wrote to memory of 2596	2872	rmass.exe	rmass.exe
PID 2872 wrote to memory of 2596	2872	rmass.exe	rmass.exe
PID 2872 wrote to memory of 2596	2872	rmass.exe	rmass.exe
PID 2872 wrote to memory of 2596	2872	rmass.exe	rmass.exe

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:436

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1112

C:\Users\Admin\AppData\Local\Temp\828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe"
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2172

C:\Windows\SysWOW64\rmass.exe
"C:\Windows\system32\rmass.exe"
3⤵
- Windows security bypass
- Drops file in Drivers directory
- Modifies Installed Components in the registry
- Sets file execution options in registry
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- Modifies WinLogon
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2872

C:\Windows\SysWOW64\rmass.exe
--k33p
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2596

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\SysWOW64\RECOVER32.DLL
Filesize
5KB

MD5
2b2c28a7a01f9584fe220ef84003427f

SHA1
5fc023df0b5064045eb8de7f2dbe26f07f6fec70

SHA256
9e00af53b1d0c0f5270d94a666d95aa7b4dcb9fea49487c210c055c9dcfcc9eb

SHA512
39192a8a91dec1abff25af8dac0cf39da4dfd51b3fb4f1ef0b4e776185d4280fbe8387c2ea778da7bbf2ce288b0bce4d23cbe8d9e87bbd250159044f5adbac78

Download Submit
C:\Windows\SysWOW64\ahuy.exe
Filesize
24KB

MD5
03b71eec16120634ed49237d8d08287f

SHA1
e4b6dc70b6f3805a29bbc0c4978531eb5dd9ddd9

SHA256
9d71182fb146d2f9be826a210dba554ad083bd08baf60ed4554f0b664c654db4

SHA512
87e80b6d6318b645f519e8a140ea15cccebaa0d49966ce484972d200a86fe6e82ab74948687dcace7e8ba12650fbcbfb101900b7dcd94579a6200598146e02d9

Download Submit
C:\Windows\SysWOW64\ntdbg.exe
Filesize
25KB

MD5
0ae36f537da105c4e76bd1616df74757

SHA1
a1fabfcfae364a81c0a0ccd635f7b8c87e41f45f

SHA256
6f3ca7f23398217d6dd7c40bf5c64488733cf0e36a944d76cb2f96d37a64ea32

SHA512
13b6894a1aec898f66acd53ac9b60e6ef1a0f70947d1cb1f16082e95f5d119dcb51d4f5e3daaf0f72b0fb8b4faee7437e324391eb59997d58e76107fd3bf84bc

Download Submit
C:\Windows\System32\drivers\etc\hosts
Filesize
1KB

MD5
b10b13206b0f2cf3968050072f6979bf

SHA1
699db21ba9cecf3f13ac3d76e22cfa41aa94da80

SHA256
0eef3217095cb97b695c434e74d6314bf9e869a013d6e9c88e58c34576a276b4

SHA512
d33bfd931be6676539507a69101d99fa4c5ef36b12422bd11f063b9b6a47b7444f6c4ad5f35e044714fdb872e96cd9fddf049e8329af1219483887f6ac5f4a5d

Download Submit
\Windows\SysWOW64\rmass.exe
Filesize
22KB

MD5
828612359d55d8d0619fcc991584a0e0

SHA1
9ab5d667640fb6fda3e20c117270f5e8823a5bf4

SHA256
92b5a1aa6b9ee325b8ac7953fcec6f3bcb74da7f385fcba8c7471563be6ccddb

SHA512
16a39ecef2f861d4dfa63d1bde5ab772bd37d7c82f8428e7d6c8747edc232f005868adb9cb996b97f9e87be5e155a5c255d6bcffed0872171173e4aaae073113

Download Submit
memory/2172-12-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2172-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2172-5-0x0000000000320000-0x0000000000331000-memory.dmp

Filesize
68KB

Download
memory/2596-26-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2596-61-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2872-25-0x0000000000530000-0x0000000000541000-memory.dmp

Filesize
68KB

Download
memory/2872-60-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2872-100-0x0000000000530000-0x0000000000541000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads