9a126f666d7889b887d18ab4562a65198f79deee1dd1790914e6182c1b5888d7

General

Target

2c45f8a24c66cce326d4baee1abc91c0_NeikiAnalytics.exe
Size

47KB
MD5

2c45f8a24c66cce326d4baee1abc91c0
SHA1

56a2b6779385cd0fdebf0f11fe7a963999b553eb
SHA256

9a126f666d7889b887d18ab4562a65198f79deee1dd1790914e6182c1b5888d7
SHA512

fa016ce395c30d02cd4d98e3c4a55657c2003d396236e4c0a805d3ddad69545cdc244bb4bdfb8b429d9ecedd8863cb4df7d422994c9566430765cb888b403c69
SSDEEP

384:jIz4uL5LMOzIVRPae/Bu3LREiGM+myVgnSwViOpRA0jIys4k2EFygmHUL+cBfFg:jIUulLMOkaekNGMMgD9RAWi2DP0Xvg

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

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

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

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594C51-574a-434e-4759-4C51574A434e}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594C51-574a-434e-4759-4C51574A434e}\StubPath = "C:\\Windows\\system32\\ahuy.exe"	rmass.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594C51-574a-434e-4759-4C51574A434e}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594C51-574a-434e-4759-4C51574A434e}\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

description	ioc	Process
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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	rmass.exe

Executes dropped EXE 2 IoCs

pid	Process
2044	rmass.exe
2160	rmass.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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

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

description	ioc	Process
File created	C:\Windows\SysWOW64\rmass.exe	2c45f8a24c66cce326d4baee1abc91c0_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 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	2c45f8a24c66cce326d4baee1abc91c0_NeikiAnalytics.exe
File created	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

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

pid	Process
2044	rmass.exe
2044	rmass.exe
2044	rmass.exe
2044	rmass.exe
2044	rmass.exe
2044	rmass.exe
2160	rmass.exe
2160	rmass.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2044	rmass.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2044	2896	2c45f8a24c66cce326d4baee1abc91c0_NeikiAnalytics.exe	90
PID 2896 wrote to memory of 2044	2896	2c45f8a24c66cce326d4baee1abc91c0_NeikiAnalytics.exe	90
PID 2896 wrote to memory of 2044	2896	2c45f8a24c66cce326d4baee1abc91c0_NeikiAnalytics.exe	90
PID 2044 wrote to memory of 616	2044	rmass.exe	5
PID 2044 wrote to memory of 3464	2044	rmass.exe	56
PID 2044 wrote to memory of 2160	2044	rmass.exe	91
PID 2044 wrote to memory of 2160	2044	rmass.exe	91
PID 2044 wrote to memory of 2160	2044	rmass.exe	91

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\2c45f8a24c66cce326d4baee1abc91c0_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\2c45f8a24c66cce326d4baee1abc91c0_NeikiAnalytics.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2896
- - 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
    - 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:2044
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2160

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3856,i,5047420736443372512,9747851268033796534,262144 --variations-seed-version --mojo-platform-channel-handle=4420 /prefetch:8
1⤵
PID:5064

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
057a21706128112d891d3468fd3bb6da

SHA1
5b1bbda5cca1b985b4b924fe4f65a6d2ea6504fc

SHA256
8dcfaf541c094f5d2343f21ee3b59775be928146af8392da19bdee4e93131e6b

SHA512
5a6472b0a9e4aa6010f339df70e4a3235d04867e3a354d0e5a232fd58d9edbdf106cd54a0a9e84e68085e9359e8f6311d5c3211ec76704e891fb27af48776af3

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

Filesize
48KB

MD5
6c8456ce1fbfd9de8cf2a1babce6abef

SHA1
a9f7daf544f25acb33b15a5541ae67bb4abadf4b

SHA256
0f513c826c67e625367701a7ac65ec63212a3ab1904a9b66835d25f6f3492928

SHA512
f665a0ee1d963bb09d11e3fab848af1b538c1102929548e169562b0c032fb22455dba1ce4735611ff6b689dc068ad54154bd139bbc012abde72312392f2fc3fe

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

Filesize
45KB

MD5
469e7136a779462a8aa0177b81de0730

SHA1
3ee1b15020a6c781b78ca670f0a835ab5775e74b

SHA256
d210697ed7495cb7354a5021b6879891c22a709d0b52308b074837b544c8c894

SHA512
940579b4ec730a23763937a2df0650e6429a894c1890298f5a51a9d05bb7d2485089b6088cbef0f11bd3f96b0c816039556be4bf29a426c1986bbfd78c6001fe

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

Filesize
1KB

MD5
6f47b62de25d1745e296a06b3f98ed19

SHA1
a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f

SHA256
15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4

SHA512
dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7

Download Submit
memory/2044-47-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2160-48-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2896-3-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads