3c95777d2fca237439e206daa00e4667840c6ddfa04ce4962dfa27a89f838ff5

General

Target

a849b0ee7661118155c23cf19dea8600_NeikiAnalytics.exe
Size

47KB
MD5

a849b0ee7661118155c23cf19dea8600
SHA1

64222f398495d66e336443b35e465c0b18938565
SHA256

3c95777d2fca237439e206daa00e4667840c6ddfa04ce4962dfa27a89f838ff5
SHA512

14788e814df38ced3e620907b98b3ae7b0bd7bc7be70160b7d75ec19aa941acf0731ff2cff0392b408c10c7eb29a6a36b4c52c3d50f2afc2f79170bac7db44a2
SSDEEP

768:jIUWEPjngBnD/nrpPlOs6tSTMHhORSkVZWRfdeYmPRI:jsAnGj9PkLST+WSkVZWHcPRI

Score

10^/10

evasion persistence trojan

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\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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "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\{53434647-4252-4254-5343-464742524254}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{53434647-4252-4254-5343-464742524254}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{53434647-4252-4254-5343-464742524254}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{53434647-4252-4254-5343-464742524254}\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

2972 rmass.exe
2020 rmass.exe
Loads dropped DLL 3 IoCs

Processes:

a849b0ee7661118155c23cf19dea8600_NeikiAnalytics.exermass.exe

pid process

2924 a849b0ee7661118155c23cf19dea8600_NeikiAnalytics.exe
2924 a849b0ee7661118155c23cf19dea8600_NeikiAnalytics.exe
2972 rmass.exe

pid	process
2972	rmass.exe
2020	rmass.exe

pid	process
2924	a849b0ee7661118155c23cf19dea8600_NeikiAnalytics.exe
2924	a849b0ee7661118155c23cf19dea8600_NeikiAnalytics.exe
2972	rmass.exe

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\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

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

rmass.exe

description	ioc	process
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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	rmass.exe

Drops file in System32 directory 12 IoCs

Processes:

a849b0ee7661118155c23cf19dea8600_NeikiAnalytics.exermass.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\rmass.exe	a849b0ee7661118155c23cf19dea8600_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\RECOVER32.DLL	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 created	C:\Windows\SysWOW64\rmass.exe	a849b0ee7661118155c23cf19dea8600_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\ntdbg.exe	rmass.exe
File created	C:\Windows\SysWOW64\ahuy.exe	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\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 4 IoCs

Processes:

rmass.exermass.exe

pid process

2972 rmass.exe
2972 rmass.exe
2972 rmass.exe
2020 rmass.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rmass.exe

description pid process

Token: SeDebugPrivilege 2972 rmass.exe

pid	process
2972	rmass.exe
2972	rmass.exe
2972	rmass.exe
2020	rmass.exe

description	pid	process
Token: SeDebugPrivilege	2972	rmass.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

a849b0ee7661118155c23cf19dea8600_NeikiAnalytics.exermass.exe

description	pid	process	target process
PID 2924 wrote to memory of 2972	2924	a849b0ee7661118155c23cf19dea8600_NeikiAnalytics.exe	rmass.exe
PID 2924 wrote to memory of 2972	2924	a849b0ee7661118155c23cf19dea8600_NeikiAnalytics.exe	rmass.exe
PID 2924 wrote to memory of 2972	2924	a849b0ee7661118155c23cf19dea8600_NeikiAnalytics.exe	rmass.exe
PID 2924 wrote to memory of 2972	2924	a849b0ee7661118155c23cf19dea8600_NeikiAnalytics.exe	rmass.exe
PID 2972 wrote to memory of 436	2972	rmass.exe	winlogon.exe
PID 2972 wrote to memory of 1360	2972	rmass.exe	Explorer.EXE
PID 2972 wrote to memory of 2020	2972	rmass.exe	rmass.exe
PID 2972 wrote to memory of 2020	2972	rmass.exe	rmass.exe
PID 2972 wrote to memory of 2020	2972	rmass.exe	rmass.exe
PID 2972 wrote to memory of 2020	2972	rmass.exe	rmass.exe

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1360

C:\Users\Admin\AppData\Local\Temp\a849b0ee7661118155c23cf19dea8600_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\a849b0ee7661118155c23cf19dea8600_NeikiAnalytics.exe"
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2924

C:\Windows\SysWOW64\rmass.exe
"C:\Windows\SysWOW64\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:2972

C:\Windows\SysWOW64\rmass.exe
--k33p
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2020

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
47KB

MD5
3eb5320d4a2567d8039565eaab8770ae

SHA1
74484f408b5ca4368c335597cf86ac6e75a5ba0a

SHA256
8e52cbddd282414fc0ce81ed8213f8489c4e2fe3147430bb068b1f0ab13aa509

SHA512
f13bf421352b8a24412cc4b75cb37c19476ade3bfaed4c0e12e186cf6653396d29c513e5a199f46b9d9f75da8a774a85e27725fb851027f106d69556f9557d9c

Download Submit
C:\Windows\SysWOW64\ntdbg.exe
Filesize
48KB

MD5
6f1396b479d01ecd71034bcdaea9624e

SHA1
b859bf1cce7983e9e34d951f0d10cf3e29a391e3

SHA256
570156bd648e312a7a41ed62f2fe5960618f1160aeefe328971fd06bb286d3fd

SHA512
16e2ec7657e466abe935e1637d88352fa90835aefc3c321429a4405f60d0754cfba3258102da4303ffc1987a5bfdabe95a645571bc0f3d8cd0e79a5ca34aee86

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
45KB

MD5
615b7bd47e1b1d454bba370944be333d

SHA1
c3c26107230676fb223d1978ace63b1a4361129d

SHA256
a343e6dd117443912880d38742f0f980ff7177fb3b99b118bcc751704f131cf7

SHA512
71ec9a1ee48777281c3f3ea7ed26d95fc048b2254f9fed644154ac11a01e0b33b0e334192b6c01a8fe4b6d453af6e9403a40bf930394c8bf590e602d13ff3a66

Download Submit
memory/2020-54-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2924-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2972-53-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads