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\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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{534E4656-4751-4c55-534E-465647514c55}\StubPath = "C:\\Windows\\system32\\ahuy.exe"	rmass.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{534E4656-4751-4c55-534E-465647514c55}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{534E4656-4751-4c55-534E-465647514c55}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{534E4656-4751-4c55-534E-465647514c55}\IsInstalled = "1"	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

2268 rmass.exe
1804 rmass.exe

pid	process
2268	rmass.exe
1804	rmass.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1712-0-0x0000000000400000-0x0000000000411000-memory.dmp	upx
C:\Windows\SysWOW64\rmass.exe	upx
behavioral2/memory/1712-8-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/2268-10-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/1804-19-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/2268-53-0x0000000000400000-0x0000000000411000-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\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

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}\DLLName = "C:\\Windows\\system32\\RECOVER32.DLL"	rmass.exe
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

Drops file in System32 directory 12 IoCs

Processes:

828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exermass.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\rmass.exe	828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\ntdbg.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\idbg32.exe	rmass.exe
File created	C:\Windows\SysWOW64\rmass.exe	828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\ntdbg.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\ahuy.exe	rmass.exe
File created	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\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\winrnt.exe	rmass.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\aset32.exe	rmass.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\idbg32.exe	rmass.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

rmass.exermass.exe

pid process

2268 rmass.exe
2268 rmass.exe
2268 rmass.exe
2268 rmass.exe
2268 rmass.exe
2268 rmass.exe
1804 rmass.exe
1804 rmass.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exermass.exe

description pid process

Token: SeDebugPrivilege 1712 828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
Token: SeDebugPrivilege 2268 rmass.exe

pid	process
2268	rmass.exe
2268	rmass.exe
2268	rmass.exe
2268	rmass.exe
2268	rmass.exe
2268	rmass.exe
1804	rmass.exe
1804	rmass.exe

description	pid	process
Token: SeDebugPrivilege	1712	828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
Token: SeDebugPrivilege	2268	rmass.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exermass.exe

description	pid	process	target process
PID 1712 wrote to memory of 2268	1712	828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe	rmass.exe
PID 1712 wrote to memory of 2268	1712	828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe	rmass.exe
PID 1712 wrote to memory of 2268	1712	828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe	rmass.exe
PID 2268 wrote to memory of 1804	2268	rmass.exe	rmass.exe
PID 2268 wrote to memory of 1804	2268	rmass.exe	rmass.exe
PID 2268 wrote to memory of 1804	2268	rmass.exe	rmass.exe
PID 2268 wrote to memory of 612	2268	rmass.exe	winlogon.exe
PID 2268 wrote to memory of 3424	2268	rmass.exe	Explorer.EXE

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3424

C:\Users\Admin\AppData\Local\Temp\828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe"
2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712

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
- 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:2268

C:\Windows\SysWOW64\rmass.exe
--k33p
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1804

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
3d1e9f8315a6c3713a2da8ae3954f869

SHA1
c3a6a93cb0429c04eedfbf5a7d9ced21b4329054

SHA256
35bf73f0af3fad0eb8ce373ef04952f8a99a2b59c61a0efa9f3befa36855b08c

SHA512
2d6605a85956888069ee284052f24b1f84e097d3f620ec7f877f125e9cf86cf5f3d746222ea8f22c85a5827e227735e38ab7a5373a035722f0b919896261e19f

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

MD5
bf59fea89c1a37c59f1d392331b75ad8

SHA1
0f8f82ad29dcd63e7ed09a02ee675fed5cc942c6

SHA256
709d48606821d7292490028766008d7589f614e57b836d0dce65ccaeb3b23ac7

SHA512
d86bae748ea87c004cfa3cdaeb8184edd9d84b6471bbdae10c9869ef4da52bff19ba6890a55a25208fb9dce46a97abb75bc9029ff726e31dc610e4e545028b49

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

MD5
828612359d55d8d0619fcc991584a0e0

SHA1
9ab5d667640fb6fda3e20c117270f5e8823a5bf4

SHA256
92b5a1aa6b9ee325b8ac7953fcec6f3bcb74da7f385fcba8c7471563be6ccddb

SHA512
16a39ecef2f861d4dfa63d1bde5ab772bd37d7c82f8428e7d6c8747edc232f005868adb9cb996b97f9e87be5e155a5c255d6bcffed0872171173e4aaae073113

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

MD5
6f47b62de25d1745e296a06b3f98ed19

SHA1
a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f

SHA256
15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4

SHA512
dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7

Download Submit
memory/1712-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1712-8-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1804-19-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2268-10-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2268-53-0x0000000000400000-0x0000000000411000-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