e453864ee00e8613b9501b65a190f7f604778aff061277add4ed2d8200d83130

General

Target

46fee5990cf50ea7d9e2906c9825f7f0_NeikiAnalytics.exe
Size

24KB
MD5

46fee5990cf50ea7d9e2906c9825f7f0
SHA1

d2b0f165238f62bd470467287b2e69ab7eb82ce4
SHA256

e453864ee00e8613b9501b65a190f7f604778aff061277add4ed2d8200d83130
SHA512

3a181c0cd6739136b91cca0e83876377ee65df516ef6cc0c25493b95e38dcf196992b493fd95f49ca9009ea43d97364df113672839c6d81239ce22609eb077a1
SSDEEP

384:jIz4QFC6l7f3qw+GyMjkNFeIcs1zPR+vJGRzUtV+/O0O+8oUfzjm:jIUmC6NfIWwNAp4dJRzUtV+/VJszjm

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\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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "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\{51475451-5a54-5245-5147-54515A545245}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245}\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
2196	rmass.exe
2024	rmass.exe

Loads dropped DLL 3 IoCs

pid	Process
2364	46fee5990cf50ea7d9e2906c9825f7f0_NeikiAnalytics.exe
2364	46fee5990cf50ea7d9e2906c9825f7f0_NeikiAnalytics.exe
2196	rmass.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c000000014228-1.dat	upx
behavioral1/memory/2364-2-0x0000000000020000-0x0000000000031000-memory.dmp	upx
behavioral1/memory/2196-13-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2196-56-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2024-57-0x0000000000400000-0x0000000000411000-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}\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	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\aset32.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\idbg32.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\rmass.exe	46fee5990cf50ea7d9e2906c9825f7f0_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\RECOVER32.DLL	rmass.exe
File opened for modification	C:\Windows\SysWOW64\rmass.exe	rmass.exe
File created	C:\Windows\SysWOW64\rmass.exe	46fee5990cf50ea7d9e2906c9825f7f0_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\ahuy.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\RECOVER32.DLL	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
2196	rmass.exe
2196	rmass.exe
2196	rmass.exe
2024	rmass.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2196	rmass.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2196	2364	46fee5990cf50ea7d9e2906c9825f7f0_NeikiAnalytics.exe	28
PID 2364 wrote to memory of 2196	2364	46fee5990cf50ea7d9e2906c9825f7f0_NeikiAnalytics.exe	28
PID 2364 wrote to memory of 2196	2364	46fee5990cf50ea7d9e2906c9825f7f0_NeikiAnalytics.exe	28
PID 2364 wrote to memory of 2196	2364	46fee5990cf50ea7d9e2906c9825f7f0_NeikiAnalytics.exe	28
PID 2196 wrote to memory of 436	2196	rmass.exe	5
PID 2196 wrote to memory of 1196	2196	rmass.exe	21
PID 2196 wrote to memory of 2024	2196	rmass.exe	29
PID 2196 wrote to memory of 2024	2196	rmass.exe	29
PID 2196 wrote to memory of 2024	2196	rmass.exe	29
PID 2196 wrote to memory of 2024	2196	rmass.exe	29

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\46fee5990cf50ea7d9e2906c9825f7f0_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\46fee5990cf50ea7d9e2906c9825f7f0_NeikiAnalytics.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2364
- - 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
    - 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:2196
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2024

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
9ff7c9120f64ee104d00a5c4dd93a8dd

SHA1
3ff6c9ce044e1e989e20339b28056d803fefd335

SHA256
050bbd18d99733434be41e1eba4f2dc567bf55d6337398235249bf3eff6f12a2

SHA512
042ebae9743e5cbb7d8658578f910d776a3b08027ef32b8d7b143fc3537c3ddc9725ffd990e22460cb57b3af8858dc4582cd76997b418294ca85d0c9d56aed9b

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

Filesize
25KB

MD5
62bde4aa4ae81fa2de95d74011e91c87

SHA1
5c9b200a6f2b60d620609416bc4c7d72c3c7cebd

SHA256
c20590df26b8855cacfee17b539b3df72f2a597b557f4e063ca8018712930c3e

SHA512
1cee9f65af2d2ae6a1a5f2a1ce3a50b290e292c5f9b8507f122e37298c8f6cf3818e030a4f9c2a0e1abe72eede22c53514ba3fc9cbb8b9f71b908d7be6688a96

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
419123698f01b3b91fb1c596ace3f608

SHA1
cfe93e70d6d6475f5784c8425a86d1c6f1360531

SHA256
f9b5926cbae9c6b8345810c1f331b33e25daf29f2931733383a6e901aaf2be0f

SHA512
5c9186a1ccb4906e14ac90b517f284d92966f69ebf0e86a7acb29233a6fbca9769c18341d2498a49c8f468c51e979f96bdac3847098328b6f0ac2bb335a3ce4c

Download Submit
memory/2024-57-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2196-13-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2196-56-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2196-96-0x0000000000360000-0x0000000000371000-memory.dmp

Filesize
68KB

Download
memory/2364-2-0x0000000000020000-0x0000000000031000-memory.dmp

Filesize
68KB

Download
memory/2364-9-0x0000000000020000-0x0000000000031000-memory.dmp

Filesize
68KB

Download
memory/2364-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads