69cc4927ab3b80822a08288a5dd05bee474fe7c5ca4d32906538e00775fc1b38

General

Target

712df43c55fa73dde83f6c30c7a19400_NeikiAnalytics.exe
Size

64KB
MD5

712df43c55fa73dde83f6c30c7a19400
SHA1

d2b48d3986832b02256c5afd2d799dca38ce0fed
SHA256

69cc4927ab3b80822a08288a5dd05bee474fe7c5ca4d32906538e00775fc1b38
SHA512

92e52f6c68800bedbaeed7bd8e190ee24d6aeabe22cf1ff8b0e1dc6283633cad82e5f9d6a6514ec9b07b41edcb96d7bd0e257c6cfe67e02898540b05f29d5b3f
SSDEEP

768:rAUJmQCcmLCXQq6fsKiJYsIkjJVzqsVG5kuGKQLddOW/24WvgMb7rr:sUNHFKQbIkHvGMdOp4Zu7H

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{554F5448-4350-4851-554F-544843504851}\StubPath = "C:\\Windows\\system32\\ahuy.exe"	rmass.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{554F5448-4350-4851-554F-544843504851}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{554F5448-4350-4851-554F-544843504851}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{554F5448-4350-4851-554F-544843504851}\IsInstalled = "1"	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
2124	rmass.exe
2276	rmass.exe

Loads dropped DLL 3 IoCs

pid	Process
2080	712df43c55fa73dde83f6c30c7a19400_NeikiAnalytics.exe
2080	712df43c55fa73dde83f6c30c7a19400_NeikiAnalytics.exe
2124	rmass.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2080-0-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral1/files/0x0009000000012280-4.dat	upx
behavioral1/memory/2080-5-0x0000000000320000-0x0000000000332000-memory.dmp	upx
behavioral1/memory/2080-11-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral1/memory/2124-18-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral1/memory/2124-85-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral1/memory/2276-95-0x0000000000400000-0x0000000000412000-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 created	C:\Windows\SysWOW64\rmass.exe	712df43c55fa73dde83f6c30c7a19400_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\aset32.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\rmass.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\rmass.exe	712df43c55fa73dde83f6c30c7a19400_NeikiAnalytics.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\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\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
2124	rmass.exe
2124	rmass.exe
2124	rmass.exe
2276	rmass.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2080	712df43c55fa73dde83f6c30c7a19400_NeikiAnalytics.exe
Token: SeDebugPrivilege	2124	rmass.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2124	2080	712df43c55fa73dde83f6c30c7a19400_NeikiAnalytics.exe	28
PID 2080 wrote to memory of 2124	2080	712df43c55fa73dde83f6c30c7a19400_NeikiAnalytics.exe	28
PID 2080 wrote to memory of 2124	2080	712df43c55fa73dde83f6c30c7a19400_NeikiAnalytics.exe	28
PID 2080 wrote to memory of 2124	2080	712df43c55fa73dde83f6c30c7a19400_NeikiAnalytics.exe	28
PID 2124 wrote to memory of 428	2124	rmass.exe	5
PID 2124 wrote to memory of 1200	2124	rmass.exe	21
PID 2124 wrote to memory of 2276	2124	rmass.exe	29
PID 2124 wrote to memory of 2276	2124	rmass.exe	29
PID 2124 wrote to memory of 2276	2124	rmass.exe	29
PID 2124 wrote to memory of 2276	2124	rmass.exe	29

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:428

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\712df43c55fa73dde83f6c30c7a19400_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\712df43c55fa73dde83f6c30c7a19400_NeikiAnalytics.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2080
- - 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:2124
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2276

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
66KB

MD5
4da90613fc837a212f8b4486b1cbb54d

SHA1
4ef38580257d581a9d8bb3719344d9c85c041c41

SHA256
18d50c9df18b17a9e6ab81a45c161d5046f43154b60de0859c96d0546e1e796f

SHA512
334ca53b573bb41ea4e20bdad813b06a761bbe78a164b97d07a2d470e372ca49af6798c24cc4d3f99df4f7aa7b202af6aa3f49debbe55e58eb9a1e827a8afa65

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

Filesize
67KB

MD5
6cb0d07ae44f2b8f23c11432966857a4

SHA1
ce33ffae060f865bab1748ecfb3ff57c2d57448a

SHA256
6c315f04810c762e3d6715e92462d24cdd9967eb02c8f3ce9dff8a0966c9d0aa

SHA512
53249eec5d541456c3689cb73d76ebc5adf72ba94cbc4f14841800ea9f7de14e0382bc1d2d4912154404e03a6788854b2b39f78770d22c8180378b681b198c76

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
64KB

MD5
712df43c55fa73dde83f6c30c7a19400

SHA1
d2b48d3986832b02256c5afd2d799dca38ce0fed

SHA256
69cc4927ab3b80822a08288a5dd05bee474fe7c5ca4d32906538e00775fc1b38

SHA512
92e52f6c68800bedbaeed7bd8e190ee24d6aeabe22cf1ff8b0e1dc6283633cad82e5f9d6a6514ec9b07b41edcb96d7bd0e257c6cfe67e02898540b05f29d5b3f

Download Submit
memory/2080-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2080-5-0x0000000000320000-0x0000000000332000-memory.dmp

Filesize
72KB

Download
memory/2080-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2124-18-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2124-85-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2276-95-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads