5292a2ce8903520a405d56aacce112175af627da5196207e057542fc7d68cc60

General

Target

4a337f0ebf052ac548400ed184615d80_NeikiAnalytics.exe
Size

23KB
MD5

4a337f0ebf052ac548400ed184615d80
SHA1

d1db783c6b2f92ad1ac46996cccbc3fad52373e4
SHA256

5292a2ce8903520a405d56aacce112175af627da5196207e057542fc7d68cc60
SHA512

956a587bf7d9cac6be433cdafd92ba6ee3f8061c83f47ca1f95cbe1605cc236b93c060df6b2add23aa9d5c7abb0fd66af168378c9a5ce0ff319d35a62f668292
SSDEEP

384:jIz4TUnuKwuaIqtUtHZMc3hMuusA++pMllE6uxz6kMBfMIC:jIUTUnw0t5Mc3GzsA1ptBxuziIC

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\{50554D41-5254-4e52-5055-4D4152544e52}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{50554D41-5254-4e52-5055-4D4152544e52}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{50554D41-5254-4e52-5055-4D4152544e52}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{50554D41-5254-4e52-5055-4D4152544e52}\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
2144	rmass.exe
2816	rmass.exe

Loads dropped DLL 3 IoCs

pid	Process
2136	4a337f0ebf052ac548400ed184615d80_NeikiAnalytics.exe
2136	4a337f0ebf052ac548400ed184615d80_NeikiAnalytics.exe
2144	rmass.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000b000000012263-1.dat	upx
behavioral1/memory/2136-2-0x0000000000020000-0x0000000000031000-memory.dmp	upx
behavioral1/memory/2144-10-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2816-23-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2144-22-0x0000000000420000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/2144-57-0x0000000000400000-0x0000000000411000-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\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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "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\RECOVER32.DLL	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\rmass.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\ntdbg.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\ahuy.exe	rmass.exe
File created	C:\Windows\SysWOW64\ahuy.exe	rmass.exe
File created	C:\Windows\SysWOW64\RECOVER32.DLL	rmass.exe
File opened for modification	C:\Windows\SysWOW64\idbg32.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\rmass.exe	4a337f0ebf052ac548400ed184615d80_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\rmass.exe	4a337f0ebf052ac548400ed184615d80_NeikiAnalytics.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 4 IoCs

pid	Process
2144	rmass.exe
2144	rmass.exe
2144	rmass.exe
2816	rmass.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2144	rmass.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2144	2136	4a337f0ebf052ac548400ed184615d80_NeikiAnalytics.exe	29
PID 2136 wrote to memory of 2144	2136	4a337f0ebf052ac548400ed184615d80_NeikiAnalytics.exe	29
PID 2136 wrote to memory of 2144	2136	4a337f0ebf052ac548400ed184615d80_NeikiAnalytics.exe	29
PID 2136 wrote to memory of 2144	2136	4a337f0ebf052ac548400ed184615d80_NeikiAnalytics.exe	29
PID 2144 wrote to memory of 432	2144	rmass.exe	5
PID 2144 wrote to memory of 1232	2144	rmass.exe	21
PID 2144 wrote to memory of 2816	2144	rmass.exe	30
PID 2144 wrote to memory of 2816	2144	rmass.exe	30
PID 2144 wrote to memory of 2816	2144	rmass.exe	30
PID 2144 wrote to memory of 2816	2144	rmass.exe	30

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1232
- C:\Users\Admin\AppData\Local\Temp\4a337f0ebf052ac548400ed184615d80_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\4a337f0ebf052ac548400ed184615d80_NeikiAnalytics.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2136
- - 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:2144
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2816

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
23KB

MD5
b87c7d6a845c2eeab225a20a046c4606

SHA1
d77049315c102bb4749033e3bdfef170d61efb14

SHA256
bf76636d056bff77fd357a91784864590ed3f8a05a71e6c1ee3422a5cedadeae

SHA512
97c8b156a01a5f832c1bcffdc85124a2589f6b8cf2af0f0075602fe67e9d6514b0b21dc0daacdb1f1a558d210d5e1e4bc7d2c5bf0f1fbdad7a2b93d0d747575d

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

Filesize
24KB

MD5
a2a4ec0e37b0b2dc8528efcb5db6952a

SHA1
8ccfb3159d792df26ce34c0667dd737c0ddbf00e

SHA256
ffb7f70cfb3327dc4eb15fda8b318d1bc0de1c431d88c561a12700f6c8ef50cd

SHA512
b43afc4bde9a8933d92669fd41dcffa9788f507abc4d0a56ebdb120304ae9c2f7a5986d7e54845c7ce5909eb2cdc4cd3ea93dd08315efd31748044d5ea055e60

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
21KB

MD5
0ed04fb3e99e790f88941f42e49b4873

SHA1
05205500a7a9d6718b8aa747c7b3391e91027d14

SHA256
d3401bb17d49d7d1bddd334679a3054be2f0b1b3866da2b2921f2da288d8a980

SHA512
c4b04b7e49febef52feced8ff8da019bb3295c6aa84407cf2b08b26d2955fe58ee2910b3471dbd315f6c145e31919926bddd7935050d3e9295e1338b7b59e193

Download Submit
memory/2136-2-0x0000000000020000-0x0000000000031000-memory.dmp

Filesize
68KB

Download
memory/2136-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2144-10-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2144-22-0x0000000000420000-0x0000000000431000-memory.dmp

Filesize
68KB

Download
memory/2144-57-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2144-97-0x0000000000420000-0x0000000000431000-memory.dmp

Filesize
68KB

Download
memory/2816-23-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads