0dc83c286f8dd1894c0b2d22610ca67588e242a8920e46ba0723642afe8a7911

General

Target

82f2b580acc4e17757fb10247d435300_NeikiAnalytics.exe
Size

22KB
MD5

82f2b580acc4e17757fb10247d435300
SHA1

8e5acc3761da2a5a9ff3aab2ade2b8ecced46998
SHA256

0dc83c286f8dd1894c0b2d22610ca67588e242a8920e46ba0723642afe8a7911
SHA512

074776e3d7796b583fab3e476ec681627b29cb960f4252329f3f76074c328208a06b2206fd73171c51e3ff5cb72cb34ce57501fe138e31bb6d4fdd72954f9ccb
SSDEEP

384:UBWoC5GDr6wc/w3HgM6vDUTAXBGCVf4WVlFvXVB77S:rRkiLw3HsDSARGG/r7S

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\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

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\{4748505A-5247-4643-4748-505A52474643}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4748505A-5247-4643-4748-505A52474643}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4748505A-5247-4643-4748-505A52474643}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4748505A-5247-4643-4748-505A52474643}\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
3044	rmass.exe
2036	rmass.exe

Loads dropped DLL 3 IoCs

pid	Process
2416	82f2b580acc4e17757fb10247d435300_NeikiAnalytics.exe
2416	82f2b580acc4e17757fb10247d435300_NeikiAnalytics.exe
3044	rmass.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2416-0-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2416-5-0x00000000002B0000-0x00000000002C1000-memory.dmp	upx
behavioral1/files/0x000d000000014323-4.dat	upx
behavioral1/memory/2416-13-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/3044-15-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2036-27-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/3044-61-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2036-62-0x0000000000400000-0x0000000000411000-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\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 opened for modification	C:\Windows\SysWOW64\rmass.exe	82f2b580acc4e17757fb10247d435300_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\rmass.exe	82f2b580acc4e17757fb10247d435300_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\ntdbg.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 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 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\idbg32.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 4 IoCs

pid	Process
3044	rmass.exe
3044	rmass.exe
3044	rmass.exe
2036	rmass.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2416	82f2b580acc4e17757fb10247d435300_NeikiAnalytics.exe
Token: SeDebugPrivilege	3044	rmass.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 3044	2416	82f2b580acc4e17757fb10247d435300_NeikiAnalytics.exe	28
PID 2416 wrote to memory of 3044	2416	82f2b580acc4e17757fb10247d435300_NeikiAnalytics.exe	28
PID 2416 wrote to memory of 3044	2416	82f2b580acc4e17757fb10247d435300_NeikiAnalytics.exe	28
PID 2416 wrote to memory of 3044	2416	82f2b580acc4e17757fb10247d435300_NeikiAnalytics.exe	28
PID 3044 wrote to memory of 432	3044	rmass.exe	5
PID 3044 wrote to memory of 1212	3044	rmass.exe	21
PID 3044 wrote to memory of 2036	3044	rmass.exe	29
PID 3044 wrote to memory of 2036	3044	rmass.exe	29
PID 3044 wrote to memory of 2036	3044	rmass.exe	29
PID 3044 wrote to memory of 2036	3044	rmass.exe	29

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\82f2b580acc4e17757fb10247d435300_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\82f2b580acc4e17757fb10247d435300_NeikiAnalytics.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2416
- - 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:3044
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2036

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
24KB

MD5
ccece982f7d6f8af7f979b5630c9d2ea

SHA1
70f48ba38b9c82969acc23fd01e1fd8ffc81236e

SHA256
5d0986fe61e0d64b943f3306dce2d0bff62c138dbd940b0ffd9fba8c97828e4a

SHA512
a857a8d1cfd29cb32e714a45e715690c261c9c95043acb9f48899121e4055413fab73361cd051199c82720b720e065d02fdd51408916a40cc58b96c609e9f704

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

Filesize
25KB

MD5
b5e972ffbee5f1ec93f10fc25f7497f5

SHA1
e00403ad1122f74469b80f118dd06dfc84a62697

SHA256
7e85b50ed5d498029544fc120103919777dd3c8666ffb938425910d88db5975d

SHA512
78e55eea05dfd13560a155c5d323ffb0ca96785177488e73c4ac7977fe409247a7daec051f2a8860412ce6b69f6b98934c947640a4a59198669dba63cace0bd6

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
82f2b580acc4e17757fb10247d435300

SHA1
8e5acc3761da2a5a9ff3aab2ade2b8ecced46998

SHA256
0dc83c286f8dd1894c0b2d22610ca67588e242a8920e46ba0723642afe8a7911

SHA512
074776e3d7796b583fab3e476ec681627b29cb960f4252329f3f76074c328208a06b2206fd73171c51e3ff5cb72cb34ce57501fe138e31bb6d4fdd72954f9ccb

Download Submit
memory/2036-27-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2036-62-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2416-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2416-13-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2416-5-0x00000000002B0000-0x00000000002C1000-memory.dmp

Filesize
68KB

Download
memory/3044-25-0x0000000000570000-0x0000000000581000-memory.dmp

Filesize
68KB

Download
memory/3044-15-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3044-61-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3044-92-0x0000000000570000-0x0000000000581000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads