583f6348e0a91895619683d8df5e19ca186abee24ac4c2daa314004510769db2

General

Target

d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe
Size

45KB
MD5

d0b867f7ff562d8058f7dabe36345980
SHA1

56f4e743a55d78930316c6e795a1c1460a1eab92
SHA256

583f6348e0a91895619683d8df5e19ca186abee24ac4c2daa314004510769db2
SHA512

c132194987e94294fe153f618b794017a9f30a6d5a51f09b7777f1306e84f4e3da15a6d0a593b55e54cbbb2e38b7589d65c657f277bf59ca688ad267694235e4
SSDEEP

768:WAUJmQCcmLCXQq6fsKiJYsIkjJVzqsVG5kuGVAQvBucNh:RUNHFKQbIkHvGkAOn

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\{4B584950-5043-4b46-4B58-495050434b46}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46}\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

2736 rmass.exe
2908 rmass.exe
Loads dropped DLL 3 IoCs

Processes:

d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exermass.exe

pid process

2744 d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe
2744 d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe
2736 rmass.exe

pid	process
2736	rmass.exe
2908	rmass.exe

pid	process
2744	d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe
2744	d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe
2736	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\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
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:

rmass.exed0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe

description	ioc	process
File created	C:\Windows\SysWOW64\ntdbg.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\rmass.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\idbg32.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\rmass.exe	d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\rmass.exe	d0b867f7ff562d8058f7dabe36345980_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 created	C:\Windows\SysWOW64\RECOVER32.DLL	rmass.exe
File opened for modification	C:\Windows\SysWOW64\aset32.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

2736 rmass.exe
2736 rmass.exe
2736 rmass.exe
2908 rmass.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exermass.exe

description pid process

Token: SeDebugPrivilege 2744 d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe
Token: SeDebugPrivilege 2736 rmass.exe

pid	process
2736	rmass.exe
2736	rmass.exe
2736	rmass.exe
2908	rmass.exe

description	pid	process
Token: SeDebugPrivilege	2744	d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe
Token: SeDebugPrivilege	2736	rmass.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exermass.exe

description	pid	process	target process
PID 2744 wrote to memory of 2736	2744	d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe	rmass.exe
PID 2744 wrote to memory of 2736	2744	d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe	rmass.exe
PID 2744 wrote to memory of 2736	2744	d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe	rmass.exe
PID 2744 wrote to memory of 2736	2744	d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe	rmass.exe
PID 2736 wrote to memory of 428	2736	rmass.exe	winlogon.exe
PID 2736 wrote to memory of 1192	2736	rmass.exe	Explorer.EXE
PID 2736 wrote to memory of 2908	2736	rmass.exe	rmass.exe
PID 2736 wrote to memory of 2908	2736	rmass.exe	rmass.exe
PID 2736 wrote to memory of 2908	2736	rmass.exe	rmass.exe
PID 2736 wrote to memory of 2908	2736	rmass.exe	rmass.exe

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:428

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2744
- - 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:2736
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

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
9454e7f55ae028caf3a1b8a83d067571

SHA1
14e0d23ba3a1b8eacc8b9ef083424a53d76f22a4

SHA256
6d1d09c9fdae2bd58e648a6977f8061ceb10b0a714fc2bdd5718f2007dab6142

SHA512
d5ce2a76514a03c20f0eaaad24b3c29e3a8406750c40f1f8dfc3f7b09cab5ec2df9697d7bae751bb77a62245dd61a1e97e77c5951ec81eb5f34d790681f68bd4

Download Submit
C:\Windows\SysWOW64\ntdbg.exe

Filesize
48KB

MD5
de7060d5673a99277fc73ba861e0eefc

SHA1
cf4b2cef1af97bc5c87ba3eaf13b172c90ba38f1

SHA256
60d4afe2ed2d1c371ae7d0411673d9ac025a9dbe2eea5b60b242220183865797

SHA512
98251b52a0d83265117d41d16c60dcad6db1627c5497c3321f3a3cdec4ef26cf2326872412484bbf5e9376fc5157900dbfc398a31794053f07cc6ac0bd7d2a23

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
d0b867f7ff562d8058f7dabe36345980

SHA1
56f4e743a55d78930316c6e795a1c1460a1eab92

SHA256
583f6348e0a91895619683d8df5e19ca186abee24ac4c2daa314004510769db2

SHA512
c132194987e94294fe153f618b794017a9f30a6d5a51f09b7777f1306e84f4e3da15a6d0a593b55e54cbbb2e38b7589d65c657f277bf59ca688ad267694235e4

Download Submit
memory/2736-52-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2744-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2908-53-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads