99ac66cff66282938d5a271102acfd9ce27a3a34bc589e97ab53343a43d93949

General

Target

7a74bf5f9be59465435ea6f234055210_NeikiAnalytics.exe
Size

22KB
MD5

7a74bf5f9be59465435ea6f234055210
SHA1

4646a083c977067a42f182ad3954ccb5944841d9
SHA256

99ac66cff66282938d5a271102acfd9ce27a3a34bc589e97ab53343a43d93949
SHA512

23f55e2b7a8af643a9bd1f3b0602dec4786aee1c4164d3b358f7b2fa4b9df5f01761b6ddec4635278546b05e545604cb7a7852f3185c560322f466557f8185b1
SSDEEP

384:UBWoC5GDr6wc/w3HgM6vDUTAXBGCVf4WVlFvX8Mb7a60:rRkiLw3HsDSARGG/MMb7r0

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\{52484154-5145-4451-5248-415451454451}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{52484154-5145-4451-5248-415451454451}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{52484154-5145-4451-5248-415451454451}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{52484154-5145-4451-5248-415451454451}\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
852	rmass.exe
1252	rmass.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2388-0-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/files/0x0007000000023288-5.dat	upx
behavioral2/memory/2388-8-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/852-13-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/1252-19-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/852-53-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/1252-54-0x0000000000400000-0x0000000000411000-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
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 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\aset32.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\idbg32.exe	rmass.exe
File created	C:\Windows\SysWOW64\rmass.exe	7a74bf5f9be59465435ea6f234055210_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\rmass.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\rmass.exe	7a74bf5f9be59465435ea6f234055210_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\ahuy.exe	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\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
852	rmass.exe
852	rmass.exe
852	rmass.exe
852	rmass.exe
852	rmass.exe
852	rmass.exe
1252	rmass.exe
1252	rmass.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2388	7a74bf5f9be59465435ea6f234055210_NeikiAnalytics.exe
Token: SeDebugPrivilege	852	rmass.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 852	2388	7a74bf5f9be59465435ea6f234055210_NeikiAnalytics.exe	83
PID 2388 wrote to memory of 852	2388	7a74bf5f9be59465435ea6f234055210_NeikiAnalytics.exe	83
PID 2388 wrote to memory of 852	2388	7a74bf5f9be59465435ea6f234055210_NeikiAnalytics.exe	83
PID 852 wrote to memory of 612	852	rmass.exe	5
PID 852 wrote to memory of 3444	852	rmass.exe	56
PID 852 wrote to memory of 1252	852	rmass.exe	84
PID 852 wrote to memory of 1252	852	rmass.exe	84
PID 852 wrote to memory of 1252	852	rmass.exe	84

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3444
- C:\Users\Admin\AppData\Local\Temp\7a74bf5f9be59465435ea6f234055210_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\7a74bf5f9be59465435ea6f234055210_NeikiAnalytics.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2388
- - 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
    - 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:852
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:1252

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
89e123594f50301a8516ce222e193a75

SHA1
5d1ba03d6401e8b4688ffa1c1fd7fbcff7dbe183

SHA256
393d974e54e62b2efc91f2386b122f77c52e0b9bc647782bd9ff0e4034a61b06

SHA512
d3dc4d974e33e6fe9210e8b54dbc92fef3082c083183b02e1b74d8f3459ca5e59aae8afdc9af53dc22cda009ec5adfc2e1cd63e477c73be1f6fadb30bab3f1a9

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

Filesize
25KB

MD5
3caca325b0ea0f8d1413618be001ee5a

SHA1
db46c637b102596999a3a0549ba42585329b90ec

SHA256
f3a8b56b68cd0cb3015befc88a4f31c766d817f1e83df6567eadcb60a4a109ac

SHA512
9c7673f32f42f371c3120a141617fc86001edf040eeff89bdb60fd3837a0a8d97c8380132b71dd2b9a29730ed9e51c3cdf1cd04eb830357e84c23b09298c3fee

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

Filesize
22KB

MD5
7a74bf5f9be59465435ea6f234055210

SHA1
4646a083c977067a42f182ad3954ccb5944841d9

SHA256
99ac66cff66282938d5a271102acfd9ce27a3a34bc589e97ab53343a43d93949

SHA512
23f55e2b7a8af643a9bd1f3b0602dec4786aee1c4164d3b358f7b2fa4b9df5f01761b6ddec4635278546b05e545604cb7a7852f3185c560322f466557f8185b1

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

Filesize
1KB

MD5
6f47b62de25d1745e296a06b3f98ed19

SHA1
a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f

SHA256
15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4

SHA512
dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7

Download Submit
memory/852-13-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/852-53-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1252-19-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1252-54-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2388-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2388-8-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads