d50aeae6cf22c2936bc38b90a149f615e00716f67a5159fac08f6da273ca003f

General

Target

15ff4aa32eae43f2bf88f7a572a673e0_NeikiAnalytics.exe
Size

22KB
MD5

15ff4aa32eae43f2bf88f7a572a673e0
SHA1

869f94e43b07534094539733d5cf1ff928815d43
SHA256

d50aeae6cf22c2936bc38b90a149f615e00716f67a5159fac08f6da273ca003f
SHA512

b969cee948a2d85fae241484678d57416136fa78764ef60ff14f02853eb12382d80ea126e3904c258c31f2237f1a2e152f227c952457b161aa27a451432578d1
SSDEEP

384:UBWoC5GDr6wc/w3HgM6vDUTAXBGCVf4WVlFvX+N06nlk:rRkiLw3HsDSARGG/ON0qk

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\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4249534D-495a-4858-4249-534D495A4858}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4249534D-495a-4858-4249-534D495A4858}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4249534D-495a-4858-4249-534D495A4858}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4249534D-495a-4858-4249-534D495A4858}\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
2920	rmass.exe
2540	rmass.exe

Loads dropped DLL 3 IoCs

pid	Process
2908	15ff4aa32eae43f2bf88f7a572a673e0_NeikiAnalytics.exe
2908	15ff4aa32eae43f2bf88f7a572a673e0_NeikiAnalytics.exe
2920	rmass.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2908-0-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/files/0x000c000000012707-4.dat	upx
behavioral1/memory/2920-13-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2908-11-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2920-58-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2540-59-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2908-75-0x0000000000320000-0x0000000000331000-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	15ff4aa32eae43f2bf88f7a572a673e0_NeikiAnalytics.exe
File opened for modification	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
File created	C:\Windows\SysWOW64\rmass.exe	15ff4aa32eae43f2bf88f7a572a673e0_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\ntdbg.exe	rmass.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 opened for modification	C:\Windows\SysWOW64\winrnt.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
2920	rmass.exe
2920	rmass.exe
2920	rmass.exe
2540	rmass.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2908	15ff4aa32eae43f2bf88f7a572a673e0_NeikiAnalytics.exe
Token: SeDebugPrivilege	2920	rmass.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2920	2908	15ff4aa32eae43f2bf88f7a572a673e0_NeikiAnalytics.exe	28
PID 2908 wrote to memory of 2920	2908	15ff4aa32eae43f2bf88f7a572a673e0_NeikiAnalytics.exe	28
PID 2908 wrote to memory of 2920	2908	15ff4aa32eae43f2bf88f7a572a673e0_NeikiAnalytics.exe	28
PID 2908 wrote to memory of 2920	2908	15ff4aa32eae43f2bf88f7a572a673e0_NeikiAnalytics.exe	28
PID 2920 wrote to memory of 436	2920	rmass.exe	5
PID 2920 wrote to memory of 1084	2920	rmass.exe	18
PID 2920 wrote to memory of 2540	2920	rmass.exe	29
PID 2920 wrote to memory of 2540	2920	rmass.exe	29
PID 2920 wrote to memory of 2540	2920	rmass.exe	29
PID 2920 wrote to memory of 2540	2920	rmass.exe	29

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1084
- C:\Users\Admin\AppData\Local\Temp\15ff4aa32eae43f2bf88f7a572a673e0_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\15ff4aa32eae43f2bf88f7a572a673e0_NeikiAnalytics.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2908
- - 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:2920
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2540

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
24KB

MD5
2621cafcb1fac475e647a33c34368549

SHA1
e263cae4223094b630a485b7602c4c81f0951cee

SHA256
dfcad57ad38d9b442dd55569c262eaae3399b2ecce1304d61e11aee4f38b6b4c

SHA512
a3c139ae874ed93ca849f2be94a7e30c3673da3340c392d989e0fea6482624c2190505a696c7345ff0b6bc84491d21005995d432042939177dd5cc17801617a6

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

Filesize
25KB

MD5
7c1b71b0556c2fee535b8ef509de7804

SHA1
31762c47dca9aaa31403f4f41aa105ccd56af62a

SHA256
d9982d8050354aa983e850f7343eadc42faa0824dc5192e8190f07e92764d01b

SHA512
5fdd2e2d201d1cb759a8218b27bd34d3a8d7ea3a27af675528c0b26134f1916b33bfd83ab0ed6bbdae9e112f5730f62a951b3528c1191ba6381151e3871ee80f

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
15ff4aa32eae43f2bf88f7a572a673e0

SHA1
869f94e43b07534094539733d5cf1ff928815d43

SHA256
d50aeae6cf22c2936bc38b90a149f615e00716f67a5159fac08f6da273ca003f

SHA512
b969cee948a2d85fae241484678d57416136fa78764ef60ff14f02853eb12382d80ea126e3904c258c31f2237f1a2e152f227c952457b161aa27a451432578d1

Download Submit
memory/2540-59-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2908-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2908-11-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2908-75-0x0000000000320000-0x0000000000331000-memory.dmp

Filesize
68KB

Download
memory/2920-13-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2920-58-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2920-82-0x0000000000360000-0x0000000000371000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads