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\{4249534D-495a-4858-4249-534D495A4858}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4249534D-495a-4858-4249-534D495A4858}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4249534D-495a-4858-4249-534D495A4858}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4249534D-495a-4858-4249-534D495A4858}\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
2436	rmass.exe
2544	rmass.exe

Loads dropped DLL 3 IoCs

pid	Process
2276	07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.exe
2276	07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.exe
2436	rmass.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000d00000001230f-1.dat	upx
behavioral1/memory/2276-2-0x0000000000020000-0x0000000000031000-memory.dmp	upx
behavioral1/memory/2436-10-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2544-22-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2436-56-0x0000000000400000-0x0000000000411000-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
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\rmass.exe	07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.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 opened for modification	C:\Windows\SysWOW64\rmass.exe	rmass.exe
File created	C:\Windows\SysWOW64\rmass.exe	07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\ntdbg.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\aset32.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\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
2436	rmass.exe
2436	rmass.exe
2436	rmass.exe
2544	rmass.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2436	rmass.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2436	2276	07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.exe	28
PID 2276 wrote to memory of 2436	2276	07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.exe	28
PID 2276 wrote to memory of 2436	2276	07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.exe	28
PID 2276 wrote to memory of 2436	2276	07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.exe	28
PID 2436 wrote to memory of 436	2436	rmass.exe	5
PID 2436 wrote to memory of 1152	2436	rmass.exe	20
PID 2436 wrote to memory of 2544	2436	rmass.exe	29
PID 2436 wrote to memory of 2544	2436	rmass.exe	29
PID 2436 wrote to memory of 2544	2436	rmass.exe	29
PID 2436 wrote to memory of 2544	2436	rmass.exe	29

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1152
- C:\Users\Admin\AppData\Local\Temp\07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\07557bab54457b768b82937e5cba655a3c56e3b77994ec36fd47541fd578e753_NeikiAnalytics.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2276
- - 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:2436
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2544

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

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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
35f0716432b3e68f3bbf91f9bd220689

SHA1
e817364c911b32cfa543045ff9acd68ad2c5a7a9

SHA256
159abcd03e3ffd618af2ee67c6d20d52afd35747a793e625d0ddab9f6891bf27

SHA512
19ec1524bfbb54cf47350b221b15164d711ffb18af1c7ff7c750b81271b13c5889376980aa579eb47b5ee08772f4a525d8968e3af1764e717ab45288a2dc741c

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

Filesize
25KB

MD5
f075dcd106f3ab3e9b98cecde2b0f378

SHA1
5314e4946dd8ee2848a3ec5a3cc37d23e156396b

SHA256
6784fe62cf8a4eedb44a87869d387a375e75bbe04169d796be78bed59a4b5134

SHA512
53021f5c433c797cfad80335f777bb3015d6d4bfc6e981586df18d8d2a7899506d84c67888aa83189093f193d40ada939b8664bd7f9fd04d1940eba611d838c2

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
ac13ee5ce9f1bc74a8878f829a6875d2

SHA1
04c1ddc68dc071d35cfe1d3d81ced3675ffd2828

SHA256
49cb25ebdcb84e7bf6476f276c158ec86823001b54d79eb437274a21db0e13e1

SHA512
7356840599e613e56eb5a568e1ec78f9ad65882d7d51914a630e12c01c57f653905d3c71ee619277f4fa791ad12ee538f8b9e049cbc2a512a410e6a4dc6e12e1

Download Submit
memory/2276-2-0x0000000000020000-0x0000000000031000-memory.dmp

Filesize
68KB

Download
memory/2276-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2436-10-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2436-56-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2544-22-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads