31484b188f29309c6ac3ebdd5133721c1a51c65f7511f7f8d05a4ffcb2b7b0f7

General

Target

d558b479606b9f077db2e691bd467310_NeikiAnalytics.exe
Size

65KB
MD5

d558b479606b9f077db2e691bd467310
SHA1

bf1dcbf9fea95ed1e3be586ef1cbfad0e7a317cf
SHA256

31484b188f29309c6ac3ebdd5133721c1a51c65f7511f7f8d05a4ffcb2b7b0f7
SHA512

3d058a6054c2685ed44b20dafaaf7a5e948735bd129b7b7da2ecbf877c9f323e6a8cc4db537e56c591024cc7356ed16e3621acc54e1c2733ea0d12201aa54e9b
SSDEEP

768:jIUcOfjivF0qaipNRY8B8xSX5v8JgXYM9rnLE6z+A4xD8wyiHM+KCmuLN1jstlCe:jo2ip7Y8ASN8JMYmMQqMuXQnuMv

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\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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "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\{465A4258-4458-5541-465A-425844585541}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{465A4258-4458-5541-465A-425844585541}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{465A4258-4458-5541-465A-425844585541}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{465A4258-4458-5541-465A-425844585541}\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
3692	rmass.exe
1108	rmass.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0006000000023298-2.dat	upx
behavioral2/memory/3692-5-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/1108-15-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/3692-49-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/1108-50-0x0000000000400000-0x0000000000412000-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\rmass.exe	d558b479606b9f077db2e691bd467310_NeikiAnalytics.exe
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\rmass.exe	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 created	C:\Windows\SysWOW64\rmass.exe	d558b479606b9f077db2e691bd467310_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\idbg32.exe	rmass.exe
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

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3692	rmass.exe
3692	rmass.exe
3692	rmass.exe
3692	rmass.exe
3692	rmass.exe
3692	rmass.exe
1108	rmass.exe
1108	rmass.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3692	rmass.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 3692	4696	d558b479606b9f077db2e691bd467310_NeikiAnalytics.exe	81
PID 4696 wrote to memory of 3692	4696	d558b479606b9f077db2e691bd467310_NeikiAnalytics.exe	81
PID 4696 wrote to memory of 3692	4696	d558b479606b9f077db2e691bd467310_NeikiAnalytics.exe	81
PID 3692 wrote to memory of 612	3692	rmass.exe	5
PID 3692 wrote to memory of 3448	3692	rmass.exe	56
PID 3692 wrote to memory of 1108	3692	rmass.exe	83
PID 3692 wrote to memory of 1108	3692	rmass.exe	83
PID 3692 wrote to memory of 1108	3692	rmass.exe	83

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3448
- C:\Users\Admin\AppData\Local\Temp\d558b479606b9f077db2e691bd467310_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\d558b479606b9f077db2e691bd467310_NeikiAnalytics.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4696
- - 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
    - 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:3692
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:1108

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
c308061622a36bd9881aa7418a1e4242

SHA1
ff62688dd255a3bcf98588191ace7b99c20a9788

SHA256
277ce6b7f7a49e4ec0f3da9e7337841c1daaaccf0148d663768f1e76395abce7

SHA512
f8e80f78a21a953a290665cec944df814173b140656f3084136f0d0167180722109d3cabad7160bad0b8a61dd98cc33cd11011feccf2dd1c3aa5ce50a77bfbf8

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

Filesize
66KB

MD5
3ee38478c7508bda96b9850ceac060fe

SHA1
ae2d448c6c76859ee27e5abc2c8e06aa480db764

SHA256
769ac7976f20c4e9b09a07dddcb3a8c5fe6d5df9346ced85a1910e41dca10c34

SHA512
7f1f3003725c391b9dad2848034b1bfbbe70719abeb6e03fa6deae51a9e217546d0cf393e47746c89f277867e6754bf3ba8fa2ddf9c76229187906995bfd9bee

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

Filesize
63KB

MD5
2521b62b5a0a153c7317bd8d2be89135

SHA1
473de7e75fc83adab486178367f048961e1cc5a3

SHA256
34efe39e736697b77b0c177ff6fa917a48d593fa0053740e61f8a895b278091e

SHA512
88d23968172a9bb9c72422c1816f8fe2f3f3220b8c971424fd835f05afbdbc96de39e55142704b0bfd13da023ea789e4aef35e168d91a4e100393dbe6c0d1870

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

Filesize
1KB

MD5
6f47b62de25d1745e296a06b3f98ed19

SHA1
a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f

SHA256
15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4

SHA512
dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7

Download Submit
memory/1108-15-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1108-50-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3692-5-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3692-49-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4696-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads