29e07432f1cbd3ceec43ff2e924c5c25241b748c2a29346dfa2bbb6d283b35c0

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2024, 13:46

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General

Target
814e0f704615229206c32d32fb6bcc30_NeikiAnalytics.exe
Size 22KB
Sample240613-q3ecps1eqe
SHA256 29e07432f1cbd3ceec43ff2e924c5c25241b748c2a29346dfa2bbb6d283b35c0
MD5 814e0f704615229206c32d32fb6bcc30
SHA1 bc85e75864f44c4d1c18c36d161794e2fae99e8f
SHA512 2a75b394642a4d82327f4b176c2409efce41c43a0262f4ab7704192024b3078bc1356a41d31b7a607ba28dfdfb089bbc95ab5db8c43d8f14d5d9e6cc73f02fd4
SSDEEP 384:UBWoC5GDr6wc/w3HgM6vDUTAXBGCVf4WVlFvX8Mb7a6Za4k:rRkiLw3HsDSARGG/MMb7rE
MD5 SHA1 SHA512 SSDEEP

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594C51-574a-434e-4759-4C51574A434e}\StubPath = "C:\\Windows\\system32\\ahuy.exe"	rmass.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594C51-574a-434e-4759-4C51574A434e}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594C51-574a-434e-4759-4C51574A434e}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594C51-574a-434e-4759-4C51574A434e}\IsInstalled = "1"	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
1456	rmass.exe
228	rmass.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5016-0-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/files/0x00090000000235af-5.dat	upx
behavioral2/memory/5016-7-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/228-18-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/1456-52-0x0000000000400000-0x0000000000411000-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\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

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	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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	rmass.exe

Drops file in System32 directory 12 IoCs

description	ioc	Process
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\aset32.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
File opened for modification	C:\Windows\SysWOW64\rmass.exe	814e0f704615229206c32d32fb6bcc30_NeikiAnalytics.exe
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\RECOVER32.DLL	rmass.exe
File created	C:\Windows\SysWOW64\rmass.exe	814e0f704615229206c32d32fb6bcc30_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\ahuy.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\RECOVER32.DLL	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
1456	rmass.exe
1456	rmass.exe
1456	rmass.exe
1456	rmass.exe
1456	rmass.exe
1456	rmass.exe
228	rmass.exe
228	rmass.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5016	814e0f704615229206c32d32fb6bcc30_NeikiAnalytics.exe
Token: SeDebugPrivilege	1456	rmass.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 1456	5016	814e0f704615229206c32d32fb6bcc30_NeikiAnalytics.exe	89
PID 5016 wrote to memory of 1456	5016	814e0f704615229206c32d32fb6bcc30_NeikiAnalytics.exe	89
PID 5016 wrote to memory of 1456	5016	814e0f704615229206c32d32fb6bcc30_NeikiAnalytics.exe	89
PID 1456 wrote to memory of 612	1456	rmass.exe	5
PID 1456 wrote to memory of 3448	1456	rmass.exe	56
PID 1456 wrote to memory of 228	1456	rmass.exe	90
PID 1456 wrote to memory of 228	1456	rmass.exe	90
PID 1456 wrote to memory of 228	1456	rmass.exe	90

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\814e0f704615229206c32d32fb6bcc30_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\814e0f704615229206c32d32fb6bcc30_NeikiAnalytics.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5016
- - 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:1456
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:228

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4504,i,6593821857742176458,13646536021844995125,262144 --variations-seed-version --mojo-platform-channel-handle=4212 /prefetch:8
1⤵
PID:3328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

RECOVER32.DLL

Path C:\Windows\SysWOW64\RECOVER32.DLL
Size 5KB
SHA256 9e00af53b1d0c0f5270d94a666d95aa7b4dcb9fea49487c210c055c9dcfcc9eb
MD5 2b2c28a7a01f9584fe220ef84003427f
SHA1 5fc023df0b5064045eb8de7f2dbe26f07f6fec70
SHA512 39192a8a91dec1abff25af8dac0cf39da4dfd51b3fb4f1ef0b4e776185d4280fbe8387c2ea778da7bbf2ce288b0bce4d23cbe8d9e87bbd250159044f5adbac78
SSDEEP 48:6CsrGV5e2/WJbm73k2vZcsrkqSq2cxc2G5ZwJOFl:SqV5Roa73kQ/kqqAD
MD5 SHA1 SHA512 SSDEEP

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ahuy.exe

Path C:\Windows\SysWOW64\ahuy.exe
Size 24KB
SHA256 7efa423bc2510fd92ae7ef9913af7a92ea686d7b9c814adef6088635faa9d89f
MD5 42be130962a45a2f2b1dbc799acadd5f
SHA1 80a99a8a3ce5ef48b3b0f1bbac6dd3058a7cd95f
SHA512 7a5a74b7a34a0861fa6213a3d710328538b0e1dd418fa13afe9ceab3411560032ab197dbe5756c54b73ec04919616b84574f82da2cf621add73d8de219e9d8fc
SSDEEP 384:jIz4TwG0EUIbQRjWHIDzjbhJOJBKKziZoin2wnoiilE/0oPCeDQsp5tNw7AZZle:jIUcW0jWGzjbWJBK0iKnO7QU5Yj
MD5 SHA1 SHA512 SSDEEP

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ntdbg.exe

Path C:\Windows\SysWOW64\ntdbg.exe
Size 25KB
SHA256 b03cfbe9245bd1a1eb2da14e9c83be69673f6bf43460dc66400702d3f5b1e657
MD5 5dc07b349463cf5553dda9f6f16f4d63
SHA1 6288d1c2b06b7efe9d34b821756462a38f4b748a
SHA512 95176a18051d7d2b0ee24c64ee5c7a41fbe407525e1c4ed327548cd9886ce8bc738ec5b629303c8461867f832d6dbbad8dd456a7178ef2d2889e85bf674c32f2
SSDEEP 384:ErzPQ1cLzO4lHsXnSDfIQxjqFIsBDZbUvQMaQZLl20/dbljsiduDpKmUU:ErzTzlHsOfIz5hZ/QrsqBBU
MD5 SHA1 SHA512 SSDEEP

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rmass.exe

Path C:\Windows\SysWOW64\rmass.exe
Size 22KB
SHA256 29e07432f1cbd3ceec43ff2e924c5c25241b748c2a29346dfa2bbb6d283b35c0
MD5 814e0f704615229206c32d32fb6bcc30
SHA1 bc85e75864f44c4d1c18c36d161794e2fae99e8f
SHA512 2a75b394642a4d82327f4b176c2409efce41c43a0262f4ab7704192024b3078bc1356a41d31b7a607ba28dfdfb089bbc95ab5db8c43d8f14d5d9e6cc73f02fd4
SSDEEP 384:UBWoC5GDr6wc/w3HgM6vDUTAXBGCVf4WVlFvX8Mb7a6Za4k:rRkiLw3HsDSARGG/MMb7rE
MD5 SHA1 SHA512 SSDEEP

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hosts

Path C:\Windows\System32\drivers\etc\hosts
Size 1KB
SHA256 15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4
MD5 6f47b62de25d1745e296a06b3f98ed19
SHA1 a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f
SHA512 dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7
MD5 SHA1 SHA512

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memory/228-18-0x0000000000400000-0x0000000000411000-memory.dmp

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memory/1456-52-0x0000000000400000-0x0000000000411000-memory.dmp

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memory/5016-0-0x0000000000400000-0x0000000000411000-memory.dmp

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memory/5016-7-0x0000000000400000-0x0000000000411000-memory.dmp

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