07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753

General

Target

07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.exe
Size

24KB
MD5

68587b038eedacd64aba24fa8e1546b0
SHA1

afa9bccccfcc54ebaf80087195c4c696c783cad6
SHA256

07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753
SHA512

c475c5a4344a1c85ad1621de79c9f09ada89e3f7b090ea5b61dd07491589252a8828c21aaaa424ec38c9bac2db9d1cbe1e10a4ec92c1c7e003668ac3dadefd9b
SSDEEP

384:jIz4u6jtrusk+3E7ZDrAHxFXf4JyVN0P1TQeUDTl9BaHM+NE:jIUbh1H3E7hAHnRN0lvUfBaHm

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\{52494A54-4f4f-5658-5249-4A544F4F5658}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{52494A54-4f4f-5658-5249-4A544F4F5658}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{52494A54-4f4f-5658-5249-4A544F4F5658}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{52494A54-4f4f-5658-5249-4A544F4F5658}\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\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
2708	rmass.exe
1924	rmass.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00050000000232a4-2.dat	upx
behavioral2/memory/2708-5-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/1924-15-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/2708-49-0x0000000000400000-0x0000000000411000-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\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
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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	rmass.exe

Drops file in System32 directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\aset32.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\idbg32.exe	rmass.exe
File created	C:\Windows\SysWOW64\rmass.exe	07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.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\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\rmass.exe	07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_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\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
2708	rmass.exe
2708	rmass.exe
2708	rmass.exe
2708	rmass.exe
2708	rmass.exe
2708	rmass.exe
1924	rmass.exe
1924	rmass.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	rmass.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 916 wrote to memory of 2708	916	07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.exe	83
PID 916 wrote to memory of 2708	916	07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.exe	83
PID 916 wrote to memory of 2708	916	07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.exe	83
PID 2708 wrote to memory of 608	2708	rmass.exe	5
PID 2708 wrote to memory of 3480	2708	rmass.exe	56
PID 2708 wrote to memory of 1924	2708	rmass.exe	84
PID 2708 wrote to memory of 1924	2708	rmass.exe	84
PID 2708 wrote to memory of 1924	2708	rmass.exe	84

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:608

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3480
- C:\Users\Admin\AppData\Local\Temp\07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:916
- - 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:2708
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:1924

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
11ab26a5e34c960146d71a9033c2ba50

SHA1
a63fa76ce0fc1c9a9c793fbb02e5f456da3914a2

SHA256
47c717b8a5e9dca9b5a5916153aee01084912bc9635d9642f93a91691b176fdf

SHA512
db7bdee74d18604d2654e9ecad1444e1e647a7513cb14500c945a7199e6477f404e1e41f09bb7c2a027fad00d51d13b99c059107a8faece2ec3d15d3744258d6

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

Filesize
25KB

MD5
6eeede57f58a9e62fdca2bc2736237e0

SHA1
fa447f29988927fd8ef8a3f05e90973305646092

SHA256
792c79c05bde21f1b77890e03ba5f64f0d18fda07ff02488afc2b383a168a71f

SHA512
7776a66619fbdaef8ab88e8eb9bd0b25c8e24c0d6e19650ed17bbc515122ef9efc4a3ef20d29cd140716ab3486c8483f9046d35e2fd2e7ef3ee1b7b82bc694e5

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

Filesize
22KB

MD5
ac13ee5ce9f1bc74a8878f829a6875d2

SHA1
04c1ddc68dc071d35cfe1d3d81ced3675ffd2828

SHA256
49cb25ebdcb84e7bf6476f276c158ec86823001b54d79eb437274a21db0e13e1

SHA512
7356840599e613e56eb5a568e1ec78f9ad65882d7d51914a630e12c01c57f653905d3c71ee619277f4fa791ad12ee538f8b9e049cbc2a512a410e6a4dc6e12e1

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

Filesize
1KB

MD5
6f47b62de25d1745e296a06b3f98ed19

SHA1
a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f

SHA256
15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4

SHA512
dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7

Download Submit
memory/916-3-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1924-15-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2708-5-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2708-49-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads