eba4546423950f453ca8d70d1fb0b624c25f71f0e328bc87fa37bf0d9496add0

General

Target

20aba42557ccc3d6fa6ae547f8814ba0_NeikiAnalytics.exe
Size

45KB
MD5

20aba42557ccc3d6fa6ae547f8814ba0
SHA1

ab4ef17f5f2750b258bf326ecd93b67cc4666eae
SHA256

eba4546423950f453ca8d70d1fb0b624c25f71f0e328bc87fa37bf0d9496add0
SHA512

60d1a3b3b52a179f24434d81e5295512fd43eee2478add711e584fbf3e74897e106132ec8e2fb14d398a53573936ae2ba246988f9d43a613dcf01557269c815d
SSDEEP

768:WAUJmQCcmLCXQq6fsKiJYsIkjJVzqsVG5kuGVAQvBucNx:RUNHFKQbIkHvGkAOX

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\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

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 (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{53434647-4252-4254-5343-464742524254}\StubPath = "C:\\Windows\\system32\\ahuy.exe"	rmass.exe
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

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
2136	rmass.exe
2548	rmass.exe

Loads dropped DLL 3 IoCs

pid	Process
1848	20aba42557ccc3d6fa6ae547f8814ba0_NeikiAnalytics.exe
1848	20aba42557ccc3d6fa6ae547f8814ba0_NeikiAnalytics.exe
2136	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	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	rmass.exe

Drops file in System32 directory 12 IoCs

description	ioc	Process
File opened for modification	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\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	20aba42557ccc3d6fa6ae547f8814ba0_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\rmass.exe	20aba42557ccc3d6fa6ae547f8814ba0_NeikiAnalytics.exe
File created	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\aset32.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 4 IoCs

pid	Process
2136	rmass.exe
2136	rmass.exe
2136	rmass.exe
2548	rmass.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1848	20aba42557ccc3d6fa6ae547f8814ba0_NeikiAnalytics.exe
Token: SeDebugPrivilege	2136	rmass.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 2136	1848	20aba42557ccc3d6fa6ae547f8814ba0_NeikiAnalytics.exe	28
PID 1848 wrote to memory of 2136	1848	20aba42557ccc3d6fa6ae547f8814ba0_NeikiAnalytics.exe	28
PID 1848 wrote to memory of 2136	1848	20aba42557ccc3d6fa6ae547f8814ba0_NeikiAnalytics.exe	28
PID 1848 wrote to memory of 2136	1848	20aba42557ccc3d6fa6ae547f8814ba0_NeikiAnalytics.exe	28
PID 2136 wrote to memory of 436	2136	rmass.exe	5
PID 2136 wrote to memory of 1380	2136	rmass.exe	21
PID 2136 wrote to memory of 2548	2136	rmass.exe	29
PID 2136 wrote to memory of 2548	2136	rmass.exe	29
PID 2136 wrote to memory of 2548	2136	rmass.exe	29
PID 2136 wrote to memory of 2548	2136	rmass.exe	29

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1380
- C:\Users\Admin\AppData\Local\Temp\20aba42557ccc3d6fa6ae547f8814ba0_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\20aba42557ccc3d6fa6ae547f8814ba0_NeikiAnalytics.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1848
- - 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:2136
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2548

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

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\RECOVER32.DLL

Filesize
5KB

MD5
2b2c28a7a01f9584fe220ef84003427f

SHA1
5fc023df0b5064045eb8de7f2dbe26f07f6fec70

SHA256
9e00af53b1d0c0f5270d94a666d95aa7b4dcb9fea49487c210c055c9dcfcc9eb

SHA512
39192a8a91dec1abff25af8dac0cf39da4dfd51b3fb4f1ef0b4e776185d4280fbe8387c2ea778da7bbf2ce288b0bce4d23cbe8d9e87bbd250159044f5adbac78

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

Filesize
48KB

MD5
7a28c80bf6b8f2a80aee1780e54b53b2

SHA1
2f534a7628e71c880bf735632c159a0c4e3f9a95

SHA256
518c2ce6a86c5c46492a26fac83a29127c9ddc7faec32aa4214b6272392223d6

SHA512
db0799d3248bc3e8ce7147c8750ce980436171cdce6cb02c2993376d9e5b7c4b89dcb5365951fe62c835b2161bc77b282e3ceaf7414f0ddbb650462757da3caa

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

Filesize
49KB

MD5
9fb435b76c48e9b67480b457a51088dd

SHA1
392a382814306a5279f156556c6d2dae204d5469

SHA256
20339b5dcf86cbaeea2b51af2e4511c3191413146526fcef5907852267f76194

SHA512
49be0215e78de12dcaced475cb7a2edda1c091a7bd7ea3f7b476041b52e0ee12cde60b3b86f7d15fffae4c0220701e0d7f019d921770320fad310c453adb0605

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

Filesize
45KB

MD5
20aba42557ccc3d6fa6ae547f8814ba0

SHA1
ab4ef17f5f2750b258bf326ecd93b67cc4666eae

SHA256
eba4546423950f453ca8d70d1fb0b624c25f71f0e328bc87fa37bf0d9496add0

SHA512
60d1a3b3b52a179f24434d81e5295512fd43eee2478add711e584fbf3e74897e106132ec8e2fb14d398a53573936ae2ba246988f9d43a613dcf01557269c815d

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

Filesize
1KB

MD5
b10b13206b0f2cf3968050072f6979bf

SHA1
699db21ba9cecf3f13ac3d76e22cfa41aa94da80

SHA256
0eef3217095cb97b695c434e74d6314bf9e869a013d6e9c88e58c34576a276b4

SHA512
d33bfd931be6676539507a69101d99fa4c5ef36b12422bd11f063b9b6a47b7444f6c4ad5f35e044714fdb872e96cd9fddf049e8329af1219483887f6ac5f4a5d

Download Submit
memory/1848-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2136-55-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2548-56-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads