724137a1b343aa6fd8c16a0fe556d573ee348c88330d2de4c6e607dc79fd3c02

General

Target

d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.exe
Size

23KB
MD5

d942577c08f9fd0ca7364cfefc204490
SHA1

92a2cb5d4756d93ea9f810dda343444ad8bd5cff
SHA256

724137a1b343aa6fd8c16a0fe556d573ee348c88330d2de4c6e607dc79fd3c02
SHA512

dd0ccf8e34d957ff7e0ee0eec6a02373a5614a04d6e1fe85d3d581356f3bc84bd5d326490e7578582b9e5436b08d548663973acfd8302a7f5048041cbee6aeeb
SSDEEP

384:jIz45tQC5AVSc+u3Y8CFUZdRM2EYXKFJ9z6usMA8uN+6FxP8cZU:jIU5tQSeYfFUZdyBYXKF7MQuQ6skU

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\{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
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
868	rmass.exe
2524	rmass.exe

Loads dropped DLL 3 IoCs

pid	Process
2992	d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.exe
2992	d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.exe
868	rmass.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2992-2-0x0000000000020000-0x0000000000031000-memory.dmp	upx
behavioral1/files/0x000d000000012674-1.dat	upx
behavioral1/memory/2524-23-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/868-10-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/868-57-0x0000000000400000-0x0000000000411000-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\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	rmass.exe
File created	C:\Windows\SysWOW64\rmass.exe	d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.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
File opened for modification	C:\Windows\SysWOW64\rmass.exe	d942577c08f9fd0ca7364cfefc204490_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 created	C:\Windows\SysWOW64\ahuy.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
868	rmass.exe
868	rmass.exe
868	rmass.exe
2524	rmass.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	868	rmass.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 868	2992	d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.exe	28
PID 2992 wrote to memory of 868	2992	d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.exe	28
PID 2992 wrote to memory of 868	2992	d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.exe	28
PID 2992 wrote to memory of 868	2992	d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.exe	28
PID 868 wrote to memory of 436	868	rmass.exe	5
PID 868 wrote to memory of 1192	868	rmass.exe	21
PID 868 wrote to memory of 2524	868	rmass.exe	29
PID 868 wrote to memory of 2524	868	rmass.exe	29
PID 868 wrote to memory of 2524	868	rmass.exe	29
PID 868 wrote to memory of 2524	868	rmass.exe	29

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\d942577c08f9fd0ca7364cfefc204490_NeikiAnalytics.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2992
- - 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:868
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2524

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
23KB

MD5
0ce170393083a117b43a1424353411e4

SHA1
2146f561cee870dd740c3492e83a0cfe224eca69

SHA256
7905a075b03c988db2fcfd3531ffe8567514be527e0b1b4d4a164bcc15bf4524

SHA512
064d892dcc4eb5e0a3c92dfd7e7b2cecdd03e16182ebeb597c113810717195531e1e78e98004e7d73fc88ae4f08bd067c7e5d8c743d6937af3193dea424578b6

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

Filesize
24KB

MD5
8a23711db55584648287dded59efaa7d

SHA1
24d551ac0cf42039e4c3078655609363740215bb

SHA256
0aeaafa255298c12604b2f3027dde81371512e677ec0c993b56359c94dafdfb1

SHA512
e0eb7332a40ec9f97dc10fd93ad22c600c22ab392cb5f9a60c08ed7cd94aee93b60aeb0f63b9639dc9f60d8d86a5c00a7cafe65e900d625992896f92fe343929

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
11fc507e8105770ad729042b2ee7fafd

SHA1
4b2956ceabf709610d716c0c2d9834b213524295

SHA256
f5c6eeb99699ef4b92de20c9b709a6a972bfa29610863f4942053f243ac26963

SHA512
0acfb6708532440ee86900b59b5591d6ec71dc173791a94a0b3c0c856119b203ce740b27e0728126d65b2bdbc24d79a6260515f9595c30c63562f031767a8929

Download Submit
memory/868-21-0x00000000003C0000-0x00000000003D1000-memory.dmp

Filesize
68KB

Download
memory/868-10-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/868-57-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/868-88-0x00000000003C0000-0x00000000003D1000-memory.dmp

Filesize
68KB

Download
memory/2524-23-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2992-2-0x0000000000020000-0x0000000000031000-memory.dmp

Filesize
68KB

Download
memory/2992-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads