7ed3c25a6dbef5127e84cc263dfc77333718b5c56166c870efe8c3167d5f3bc9

General

Target

3df695efa49df1378a5663f0bbfe9960_NeikiAnalytics.exe
Size

63KB
MD5

3df695efa49df1378a5663f0bbfe9960
SHA1

e3b7b1cd45041f400cafc40ac4a186fb533894c4
SHA256

7ed3c25a6dbef5127e84cc263dfc77333718b5c56166c870efe8c3167d5f3bc9
SHA512

0ec1e2bca891d90a8e581df6049f12ea328f127787e0397ccf0c66c2e3215c52785242aeb015d344076bad2f3630ccdeb4e46e631be8b56f48aae42b33dbd8b5
SSDEEP

768:rAUJmQCcmLCXQq6fsKiJYsIkjJVzqsVG5kuGKQLddOW/g4WvU+o/:sUNHFKQbIkHvGMdO747

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\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

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\{47534147-4d48-4351-4753-41474D484351}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47534147-4d48-4351-4753-41474D484351}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47534147-4d48-4351-4753-41474D484351}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47534147-4d48-4351-4753-41474D484351}\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
1648	rmass.exe
1644	rmass.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2944-0-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/files/0x000600000002326f-5.dat	upx
behavioral2/memory/2944-6-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/1644-17-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/1648-51-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/1644-52-0x0000000000400000-0x0000000000412000-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\ntdbg.exe	rmass.exe
File created	C:\Windows\SysWOW64\ntdbg.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	3df695efa49df1378a5663f0bbfe9960_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\rmass.exe	3df695efa49df1378a5663f0bbfe9960_NeikiAnalytics.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\RECOVER32.DLL	rmass.exe
File created	C:\Windows\SysWOW64\RECOVER32.DLL	rmass.exe
File opened for modification	C:\Windows\SysWOW64\rmass.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
1648	rmass.exe
1648	rmass.exe
1648	rmass.exe
1648	rmass.exe
1648	rmass.exe
1648	rmass.exe
1644	rmass.exe
1644	rmass.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2944	3df695efa49df1378a5663f0bbfe9960_NeikiAnalytics.exe
Token: SeDebugPrivilege	1648	rmass.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 1648	2944	3df695efa49df1378a5663f0bbfe9960_NeikiAnalytics.exe	83
PID 2944 wrote to memory of 1648	2944	3df695efa49df1378a5663f0bbfe9960_NeikiAnalytics.exe	83
PID 2944 wrote to memory of 1648	2944	3df695efa49df1378a5663f0bbfe9960_NeikiAnalytics.exe	83
PID 1648 wrote to memory of 1644	1648	rmass.exe	84
PID 1648 wrote to memory of 1644	1648	rmass.exe	84
PID 1648 wrote to memory of 1644	1648	rmass.exe	84
PID 1648 wrote to memory of 608	1648	rmass.exe	5
PID 1648 wrote to memory of 3416	1648	rmass.exe	56

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:608

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3416
- C:\Users\Admin\AppData\Local\Temp\3df695efa49df1378a5663f0bbfe9960_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\3df695efa49df1378a5663f0bbfe9960_NeikiAnalytics.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2944
- - 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:1648
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:1644

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
65KB

MD5
455011690288aced0d58dc868802acf4

SHA1
383f0bd318e74dcec7bf22ac4e648580bc92596d

SHA256
5f2a17782fa2061e85ecf0e0ec9de8e86c4154d25052417aaebc41af61dce516

SHA512
7d7fc4764e91864665291841904328d96a39f88c239950f668e44478d4e96e348901c9db1fe96292804d0d14bfd9dd2411f1c9220b6126455a96e5c377acab01

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

Filesize
66KB

MD5
14a1024bd26e797fb982dd79c8b4b0cb

SHA1
7246e8c7c0b5916d84dce25f4bcc33c382b28b3c

SHA256
b8d77a801eb3622d3c1957031c422984474051785935bc2816caac6896151609

SHA512
7553c8b32759e01e70db08b88aa9048dda95302958a121e8c8414c3572b427fc3d6e4aa12578296907a62df1f9b32f4225783f9e555a836e55fa74bca9c3748a

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

Filesize
63KB

MD5
3df695efa49df1378a5663f0bbfe9960

SHA1
e3b7b1cd45041f400cafc40ac4a186fb533894c4

SHA256
7ed3c25a6dbef5127e84cc263dfc77333718b5c56166c870efe8c3167d5f3bc9

SHA512
0ec1e2bca891d90a8e581df6049f12ea328f127787e0397ccf0c66c2e3215c52785242aeb015d344076bad2f3630ccdeb4e46e631be8b56f48aae42b33dbd8b5

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

Filesize
1KB

MD5
6f47b62de25d1745e296a06b3f98ed19

SHA1
a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f

SHA256
15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4

SHA512
dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7

Download Submit
memory/1644-17-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1644-52-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1648-51-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2944-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2944-6-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads