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\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 (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4256524B-4950-5453-4256-524B49505453}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4256524B-4950-5453-4256-524B49505453}\StubPath = "C:\\Windows\\system32\\ahuy.exe"	rmass.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4256524B-4950-5453-4256-524B49505453}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4256524B-4950-5453-4256-524B49505453}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	rmass.exe
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

Executes dropped EXE 2 IoCs

Processes:

rmass.exermass.exe

pid process

2972 rmass.exe
3184 rmass.exe

pid	process
2972	rmass.exe
3184	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\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
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:

d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exermass.exe

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

2972 rmass.exe
2972 rmass.exe
2972 rmass.exe
2972 rmass.exe
2972 rmass.exe
2972 rmass.exe
3184 rmass.exe
3184 rmass.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exermass.exe

description pid process

Token: SeDebugPrivilege 3456 d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe
Token: SeDebugPrivilege 2972 rmass.exe

pid	process
2972	rmass.exe
2972	rmass.exe
2972	rmass.exe
2972	rmass.exe
2972	rmass.exe
2972	rmass.exe
3184	rmass.exe
3184	rmass.exe

description	pid	process
Token: SeDebugPrivilege	3456	d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe
Token: SeDebugPrivilege	2972	rmass.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exermass.exe

description	pid	process	target process
PID 3456 wrote to memory of 2972	3456	d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe	rmass.exe
PID 3456 wrote to memory of 2972	3456	d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe	rmass.exe
PID 3456 wrote to memory of 2972	3456	d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe	rmass.exe
PID 2972 wrote to memory of 616	2972	rmass.exe	winlogon.exe
PID 2972 wrote to memory of 3184	2972	rmass.exe	rmass.exe
PID 2972 wrote to memory of 3184	2972	rmass.exe	rmass.exe
PID 2972 wrote to memory of 3184	2972	rmass.exe	rmass.exe
PID 2972 wrote to memory of 3464	2972	rmass.exe	Explorer.EXE

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:616

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3464
- C:\Users\Admin\AppData\Local\Temp\d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\d0b867f7ff562d8058f7dabe36345980_NeikiAnalytics.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3456
- - 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:2972
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:3184

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
9abd9eb0a7391643ec829a12dfeb28c8

SHA1
d3c447f9a60200da3ca8c90badad83556b834419

SHA256
064d0fcaf20f27d9795dfb53f21c169e54a26ff3b5db211a7c75f711b0b2be71

SHA512
1874147fcdcff33a040dd77060219f45e71eddcb6085840adb50b7d3299af982e9e90b9fefcf50e20226e8a6af80041192ff42c5f5ecfe258407585ee111a7f6

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

Filesize
48KB

MD5
1f795991acc6ea0e02cbe1f20e977787

SHA1
dca040998f5885a8c9bc03d2fe150fe3ab9e9e58

SHA256
91c86e859c4dc2f626dcb20abb3d04acf20311d440ce9a84a993e33112f684dd

SHA512
8f8bf2eeb57b58758d1b4ec85ebe646fe682151c4254addcca652b0313b5a220b8b8179d3d8cccb0916f2b666668bd5d45930efc7c9c952523534073bf85ede4

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

Filesize
45KB

MD5
d0b867f7ff562d8058f7dabe36345980

SHA1
56f4e743a55d78930316c6e795a1c1460a1eab92

SHA256
583f6348e0a91895619683d8df5e19ca186abee24ac4c2daa314004510769db2

SHA512
c132194987e94294fe153f618b794017a9f30a6d5a51f09b7777f1306e84f4e3da15a6d0a593b55e54cbbb2e38b7589d65c657f277bf59ca688ad267694235e4

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

Filesize
1KB

MD5
6f47b62de25d1745e296a06b3f98ed19

SHA1
a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f

SHA256
15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4

SHA512
dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7

Download Submit
memory/2972-49-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3184-50-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3456-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads