7c93ceb712e21f475f5f1177f486134a68c93b1b225355522df64415cbd7942a

General

Target

adcd3bd5c6b1a479db5af9138a9a6980_NeikiAnalytics.exe
Size

63KB
MD5

adcd3bd5c6b1a479db5af9138a9a6980
SHA1

1db9197b52e23d51b594ea04baf89166b94e8eef
SHA256

7c93ceb712e21f475f5f1177f486134a68c93b1b225355522df64415cbd7942a
SHA512

7539c62475b29c7cac1ae4cd201b021e5f44c5ee26a69e1ca2be81518377c2ae9cd9c03045dc8d18ad9e06cb3258851450a3acdcc605fc510bc9514bebcdba0d
SSDEEP

768:rAUJmQCcmLCXQq6fsKiJYsIkjJVzqsVG5kuGKQLddOW/24WvgMb7rAY:sUNHFKQbIkHvGMdOp4Zu7MY

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\{5350444F-4846-4d41-5350-444F48464d41}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5350444F-4846-4d41-5350-444F48464d41}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5350444F-4846-4d41-5350-444F48464d41}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5350444F-4846-4d41-5350-444F48464d41}\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
3000	rmass.exe
5076	rmass.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/760-0-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/files/0x000800000002327d-5.dat	upx
behavioral2/memory/760-7-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/3000-8-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/5076-18-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/3000-52-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/5076-53-0x0000000000400000-0x0000000000412000-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\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
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 opened for modification	C:\Windows\SysWOW64\ntdbg.exe	rmass.exe
File created	C:\Windows\SysWOW64\ntdbg.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\aset32.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\idbg32.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\rmass.exe	adcd3bd5c6b1a479db5af9138a9a6980_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\rmass.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\ahuy.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\winrnt.exe	rmass.exe
File created	C:\Windows\SysWOW64\rmass.exe	adcd3bd5c6b1a479db5af9138a9a6980_NeikiAnalytics.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
3000	rmass.exe
3000	rmass.exe
3000	rmass.exe
3000	rmass.exe
3000	rmass.exe
3000	rmass.exe
5076	rmass.exe
5076	rmass.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	760	adcd3bd5c6b1a479db5af9138a9a6980_NeikiAnalytics.exe
Token: SeDebugPrivilege	3000	rmass.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 3000	760	adcd3bd5c6b1a479db5af9138a9a6980_NeikiAnalytics.exe	84
PID 760 wrote to memory of 3000	760	adcd3bd5c6b1a479db5af9138a9a6980_NeikiAnalytics.exe	84
PID 760 wrote to memory of 3000	760	adcd3bd5c6b1a479db5af9138a9a6980_NeikiAnalytics.exe	84
PID 3000 wrote to memory of 608	3000	rmass.exe	5
PID 3000 wrote to memory of 3440	3000	rmass.exe	55
PID 3000 wrote to memory of 5076	3000	rmass.exe	85
PID 3000 wrote to memory of 5076	3000	rmass.exe	85
PID 3000 wrote to memory of 5076	3000	rmass.exe	85

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3440
- C:\Users\Admin\AppData\Local\Temp\adcd3bd5c6b1a479db5af9138a9a6980_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\adcd3bd5c6b1a479db5af9138a9a6980_NeikiAnalytics.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:760
- - 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:3000
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:5076

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
fda95bdc2756a71f0427e758796c4167

SHA1
fd030459e235b7760237bc0bac15339f5b0a1432

SHA256
fdff3e3c4bef3ef3eba4c952fec598cd5c027d6ba304a80a5765031755d240c8

SHA512
5d8ecc2003a21d9a1de5c56a67406cacb3281058ca18f7376f3a29c5d0827ec907897b35d8075367d54f5261e252c86dc0483886405acf9013f84c08494c5367

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

Filesize
66KB

MD5
f932e90bd0b62703ef5683d6b682fcb3

SHA1
d8836d413b878f4c5838a4585fd66ddc49f2af85

SHA256
631bd4dd6bd897725e6e41787557a51f855d71731a2242e63bfe87a9a4d2fddd

SHA512
7c8ff6cff093d6537071915430859b98e61f4fc974d147ef1fe365db5ed04bb386236bdd4c1969bc2bc4f52049038fcdd424fe809002825cc9b73fa8a7196452

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

Filesize
63KB

MD5
adcd3bd5c6b1a479db5af9138a9a6980

SHA1
1db9197b52e23d51b594ea04baf89166b94e8eef

SHA256
7c93ceb712e21f475f5f1177f486134a68c93b1b225355522df64415cbd7942a

SHA512
7539c62475b29c7cac1ae4cd201b021e5f44c5ee26a69e1ca2be81518377c2ae9cd9c03045dc8d18ad9e06cb3258851450a3acdcc605fc510bc9514bebcdba0d

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

Filesize
1KB

MD5
6f47b62de25d1745e296a06b3f98ed19

SHA1
a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f

SHA256
15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4

SHA512
dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7

Download Submit
memory/760-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/760-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3000-8-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3000-52-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/5076-18-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/5076-53-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads