945b63e12edf5b5cf1a0631271b42de5b9cdedc4772bf6ef714c4b7f9c74896a

General

Target

29949ed101512c51467d7ba23b12bcc0_NeikiAnalytics.exe
Size

22KB
MD5

29949ed101512c51467d7ba23b12bcc0
SHA1

42e09b92c2b68f7e1994008127975573ce188c40
SHA256

945b63e12edf5b5cf1a0631271b42de5b9cdedc4772bf6ef714c4b7f9c74896a
SHA512

e7892487d5149452b2e3e879cd725f9d21e20a5515babcc7eed27c8d278ee6997353d2cec41ad9f0a7d1751e5d65916797bb142af94a296aad15c02579841c16
SSDEEP

384:UBWoC5GDr6wc/w3HgM6vDUTAXBGCVf4WVlFvX8Mb7a6cUfr:rRkiLw3HsDSARGG/MMb7rxr

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\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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "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\{59434C45-5854-414c-5943-4C455854414c}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c}\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
4296	rmass.exe
2980	rmass.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1076-0-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/files/0x0007000000023305-6.dat	upx
behavioral2/memory/1076-7-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/4296-10-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/4296-51-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/2980-52-0x0000000000400000-0x0000000000411000-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\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

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 created	C:\Windows\SysWOW64\rmass.exe	29949ed101512c51467d7ba23b12bcc0_NeikiAnalytics.exe
File opened for modification	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\rmass.exe	29949ed101512c51467d7ba23b12bcc0_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\ntdbg.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 opened for modification	C:\Windows\SysWOW64\idbg32.exe	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\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
4296	rmass.exe
4296	rmass.exe
4296	rmass.exe
4296	rmass.exe
4296	rmass.exe
4296	rmass.exe
2980	rmass.exe
2980	rmass.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1076	29949ed101512c51467d7ba23b12bcc0_NeikiAnalytics.exe
Token: SeDebugPrivilege	4296	rmass.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 4296	1076	29949ed101512c51467d7ba23b12bcc0_NeikiAnalytics.exe	83
PID 1076 wrote to memory of 4296	1076	29949ed101512c51467d7ba23b12bcc0_NeikiAnalytics.exe	83
PID 1076 wrote to memory of 4296	1076	29949ed101512c51467d7ba23b12bcc0_NeikiAnalytics.exe	83
PID 4296 wrote to memory of 616	4296	rmass.exe	5
PID 4296 wrote to memory of 3500	4296	rmass.exe	56
PID 4296 wrote to memory of 2980	4296	rmass.exe	84
PID 4296 wrote to memory of 2980	4296	rmass.exe	84
PID 4296 wrote to memory of 2980	4296	rmass.exe	84

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:616

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3500
- C:\Users\Admin\AppData\Local\Temp\29949ed101512c51467d7ba23b12bcc0_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\29949ed101512c51467d7ba23b12bcc0_NeikiAnalytics.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1076
- - 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:4296
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2980

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
24KB

MD5
e8288b13846ff56ea8e01161573b023a

SHA1
23caa1563cb8c25236a30323e90a413e020ade50

SHA256
408f1ca1b9cbf44d63a58c7b836a7c7ee0b523866014410ff8077de38b974420

SHA512
ee9e902023b7a26245ff9867a9a9925f9bf497d36e8095594c0f787d14a081bf7f1cb486c35601ced0cdc0a09e1f71826f000ab79d0f70484e3030f116a54943

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

Filesize
25KB

MD5
dcbca6380b1234d59dea9e86a8d64786

SHA1
cc47174eb49ba58b8a16a14803b3b815bae794b7

SHA256
0ef1ad2326492d05af1c86f5c74963db4b42df300ccea3b4c09294475fb9a0c1

SHA512
03ba09a6234c1dc88f1ebad09dff12dd425d2fec9b11c6e7982a7aafbc849b10fba82aaa11ac7a4c184d345d614f6e6513ca48d2aa57cbe528a562805d290b6a

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

Filesize
22KB

MD5
29949ed101512c51467d7ba23b12bcc0

SHA1
42e09b92c2b68f7e1994008127975573ce188c40

SHA256
945b63e12edf5b5cf1a0631271b42de5b9cdedc4772bf6ef714c4b7f9c74896a

SHA512
e7892487d5149452b2e3e879cd725f9d21e20a5515babcc7eed27c8d278ee6997353d2cec41ad9f0a7d1751e5d65916797bb142af94a296aad15c02579841c16

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

Filesize
1KB

MD5
6f47b62de25d1745e296a06b3f98ed19

SHA1
a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f

SHA256
15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4

SHA512
dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7

Download Submit
memory/1076-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1076-7-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2980-52-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4296-10-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4296-51-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads