d34d0a75e0be84749bd8da8304f42ae8d874c5bf7b4b5d992245115a6e5d7a64

General

Target

2864cad602dcf5d68d95c19709244d80_NeikiAnalytics.exe
Size

22KB
MD5

2864cad602dcf5d68d95c19709244d80
SHA1

ec1fa271bd724f6f40ca0e14a34cc964b734a814
SHA256

d34d0a75e0be84749bd8da8304f42ae8d874c5bf7b4b5d992245115a6e5d7a64
SHA512

fb9accc7a675680e92e41336993426457f835ead2ece1c2d18501e33b314be51ca2fb71e32f2fec6c15dcf01e99a7471be3eeaa5036135fb7d2add6b8ecfc837
SSDEEP

384:UBWoC5GDr6wc/w3HgM6vDUTAXBGCVf4WVlFvX8Mb7a6w:rRkiLw3HsDSARGG/MMb7rw

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\{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

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

pid	Process
2808	rmass.exe
2936	rmass.exe

Loads dropped DLL 3 IoCs

pid	Process
1336	2864cad602dcf5d68d95c19709244d80_NeikiAnalytics.exe
1336	2864cad602dcf5d68d95c19709244d80_NeikiAnalytics.exe
2808	rmass.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1336-0-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/1336-5-0x0000000000320000-0x0000000000331000-memory.dmp	upx
behavioral1/files/0x0009000000014738-4.dat	upx
behavioral1/memory/2808-15-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/1336-13-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2808-61-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2936-62-0x0000000000400000-0x0000000000411000-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\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

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 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	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	2864cad602dcf5d68d95c19709244d80_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\rmass.exe	2864cad602dcf5d68d95c19709244d80_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\ntdbg.exe	rmass.exe
File created	C:\Windows\SysWOW64\ntdbg.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\aset32.exe	rmass.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\idbg32.exe	rmass.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\winrnt.exe	rmass.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2808	rmass.exe
2808	rmass.exe
2808	rmass.exe
2936	rmass.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1336	2864cad602dcf5d68d95c19709244d80_NeikiAnalytics.exe
Token: SeDebugPrivilege	2808	rmass.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 2808	1336	2864cad602dcf5d68d95c19709244d80_NeikiAnalytics.exe	28
PID 1336 wrote to memory of 2808	1336	2864cad602dcf5d68d95c19709244d80_NeikiAnalytics.exe	28
PID 1336 wrote to memory of 2808	1336	2864cad602dcf5d68d95c19709244d80_NeikiAnalytics.exe	28
PID 1336 wrote to memory of 2808	1336	2864cad602dcf5d68d95c19709244d80_NeikiAnalytics.exe	28
PID 2808 wrote to memory of 424	2808	rmass.exe	5
PID 2808 wrote to memory of 1216	2808	rmass.exe	21
PID 2808 wrote to memory of 2936	2808	rmass.exe	29
PID 2808 wrote to memory of 2936	2808	rmass.exe	29
PID 2808 wrote to memory of 2936	2808	rmass.exe	29
PID 2808 wrote to memory of 2936	2808	rmass.exe	29

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:424

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\2864cad602dcf5d68d95c19709244d80_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\2864cad602dcf5d68d95c19709244d80_NeikiAnalytics.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1336
- - 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:2808
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2936

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
24KB

MD5
e2bdf158841f489c8272d6e99e6c2a31

SHA1
f22a1aba14253b46e4cb37f39ce49fac4feba4d8

SHA256
a36344c46b3e864ec13da75b21c684c12c0ebd4c5fb8e9aa268fc7576640bdb4

SHA512
59c477aad04c7d0e8d0778aa4ef6ab87314eaee9ca63bbb779c450b61a0f2b77cd8ff420c8211af30b33a91a3387cd2e5404c83ba1a1beaa2312a557a4580dd8

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

Filesize
25KB

MD5
26c30b2e9510de60d815ecd1caa23624

SHA1
0038544e7eae430fc8063f001947c8fc8380a0b8

SHA256
8a678f1c9b8bbcce3901e2a7f708ff241ec8a04a3b49f34ae60ae5bdd0310b25

SHA512
de38341aee1c40a9afc72866f057101c10b8fd9829ed1a0e41093e115272dd3adb23379936942f82c8e749a2e34bd5e3bf24563706e9c2e35f57599840de3263

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
22KB

MD5
2864cad602dcf5d68d95c19709244d80

SHA1
ec1fa271bd724f6f40ca0e14a34cc964b734a814

SHA256
d34d0a75e0be84749bd8da8304f42ae8d874c5bf7b4b5d992245115a6e5d7a64

SHA512
fb9accc7a675680e92e41336993426457f835ead2ece1c2d18501e33b314be51ca2fb71e32f2fec6c15dcf01e99a7471be3eeaa5036135fb7d2add6b8ecfc837

Download Submit
memory/1336-12-0x0000000000320000-0x0000000000331000-memory.dmp

Filesize
68KB

Download
memory/1336-13-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1336-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1336-84-0x0000000000320000-0x0000000000331000-memory.dmp

Filesize
68KB

Download
memory/1336-5-0x0000000000320000-0x0000000000331000-memory.dmp

Filesize
68KB

Download
memory/2808-27-0x0000000000360000-0x0000000000371000-memory.dmp

Filesize
68KB

Download
memory/2808-15-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2808-61-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2808-102-0x0000000000360000-0x0000000000371000-memory.dmp

Filesize
68KB

Download
memory/2936-62-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads