724137a1b343aa6fd8c16a0fe556d573ee348c88330d2de4c6e607dc79fd3c02

General

Target

d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.exe
Size

23KB
MD5

d942577c08f9fd0ca7364cfefc204490
SHA1

92a2cb5d4756d93ea9f810dda343444ad8bd5cff
SHA256

724137a1b343aa6fd8c16a0fe556d573ee348c88330d2de4c6e607dc79fd3c02
SHA512

dd0ccf8e34d957ff7e0ee0eec6a02373a5614a04d6e1fe85d3d581356f3bc84bd5d326490e7578582b9e5436b08d548663973acfd8302a7f5048041cbee6aeeb
SSDEEP

384:jIz45tQC5AVSc+u3Y8CFUZdRM2EYXKFJ9z6usMA8uN+6FxP8cZU:jIU5tQSeYfFUZdyBYXKF7MQuQ6skU

Score

10^/10

evasion persistence trojan upx

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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5350444F-4846-4d41-5350-444F48464d41}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5350444F-4846-4d41-5350-444F48464d41}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5350444F-4846-4d41-5350-444F48464d41}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5350444F-4846-4d41-5350-444F48464d41}\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

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

pid	Process
1616	rmass.exe
4616	rmass.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000800000002327d-2.dat	upx
behavioral2/memory/1616-5-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/4616-15-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/1616-49-0x0000000000400000-0x0000000000411000-memory.dmp	upx

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
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
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

Drops file in System32 directory 12 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rmass.exe	d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.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
File opened for modification	C:\Windows\SysWOW64\rmass.exe	d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\ntdbg.exe	rmass.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

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
1616	rmass.exe
1616	rmass.exe
1616	rmass.exe
1616	rmass.exe
1616	rmass.exe
1616	rmass.exe
4616	rmass.exe
4616	rmass.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1616	rmass.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 1616	1448	d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.exe	82
PID 1448 wrote to memory of 1616	1448	d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.exe	82
PID 1448 wrote to memory of 1616	1448	d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.exe	82
PID 1616 wrote to memory of 4616	1616	rmass.exe	83
PID 1616 wrote to memory of 4616	1616	rmass.exe	83
PID 1616 wrote to memory of 4616	1616	rmass.exe	83
PID 1616 wrote to memory of 624	1616	rmass.exe	5
PID 1616 wrote to memory of 3456	1616	rmass.exe	56

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:624

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3456
- C:\Users\Admin\AppData\Local\Temp\d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1448
- - 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:1616
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:4616

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

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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
23KB

MD5
cdc609ba65706ca5b3c33f2cb9e5b2d5

SHA1
30b8471840a2e07673911d11aafdbf1f7f28dcd3

SHA256
5681545eb0fb8000037321087c49257e7592bb3eacecdf84f178a55c1cef2c2b

SHA512
911759d46098f5db09f281fd5e4cf15dd07f5ed426f322401bfebca2549166174184d00bff0b754ea3aef6f785c8bfad7efd4e25c305d7e798d40c795e6b8deb

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

Filesize
24KB

MD5
cc9cf1f6ce7c5cf3f9430929a90233ee

SHA1
ef950e4c511537d440b3e2c9080ca1d165e1e425

SHA256
3f23ae18eee7e58e9e7e0a8dcf102d8ae8196032b89240b9b0af4a7bd30f98fb

SHA512
6ae3f9e1c040f833413f2c34ff6831491bd9645a9fd4f458ea700a6bb037d4983085c80cde5ea6163aa01ac43baab7ff697bf4f1104b0e9863e51f64f80b1961

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

Filesize
21KB

MD5
11fc507e8105770ad729042b2ee7fafd

SHA1
4b2956ceabf709610d716c0c2d9834b213524295

SHA256
f5c6eeb99699ef4b92de20c9b709a6a972bfa29610863f4942053f243ac26963

SHA512
0acfb6708532440ee86900b59b5591d6ec71dc173791a94a0b3c0c856119b203ce740b27e0728126d65b2bdbc24d79a6260515f9595c30c63562f031767a8929

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

Filesize
1KB

MD5
6f47b62de25d1745e296a06b3f98ed19

SHA1
a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f

SHA256
15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4

SHA512
dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7

Download Submit
memory/1448-3-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1616-5-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1616-49-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4616-15-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads