b0235aa6db349166f0b94fdfcfac7397207e6f6653c0c4803cb792f40ada4a2f

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28-05-2024 11:42

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General

Target

422d63953428c5873365c145f11cf440_NeikiAnalytics.exe
Size

65KB
MD5

422d63953428c5873365c145f11cf440
SHA1

748fc2e62f2775f77325d2fb464ce4d2fb83fa30
SHA256

b0235aa6db349166f0b94fdfcfac7397207e6f6653c0c4803cb792f40ada4a2f
SHA512

3ce428bfcc8b1b45f5de4fdb697964915981fc71a43d17a9c270dc5aac765f5cc22bfa8ed4708fd3425801f4ba9270f86c4f9370439a53e08d223da832059e44
SSDEEP

1536:ECq3yRuqrI01eArdW/O7JnI2e13XiLij40MkTUVqa/Ou6:7WNqkOJWmo1HpM0MkTUmu6

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Detects BazaLoader malware 1 IoCs

BazaLoader is a trojan that transmits logs to the Command and Control (C2) server, encoding them in BASE64 format through GET requests.

trojan

resource	yara_rule
behavioral2/memory/2572-36-0x0000000074FA0000-0x00000000750FD000-memory.dmp	BazaLoader

Modifies WinLogon for persistence 2 TTPs 2 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\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	svchost.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Modifies Installed Components in the registry 2 TTPs 8 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\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	svchost.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	svchost.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	svchost.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}	svchost.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	explorer.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
3712	explorer.exe
3332	spoolsv.exe
2572	svchost.exe
4852	spoolsv.exe

Adds Run key to start application 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\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO"	explorer.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\system\explorer.exe	explorer.exe
File opened for modification	\??\c:\windows\system\svchost.exe	svchost.exe
File opened for modification	C:\Windows\system\udsys.exe	explorer.exe
File opened for modification	\??\c:\windows\system\explorer.exe	422d63953428c5873365c145f11cf440_NeikiAnalytics.exe
File opened for modification	\??\c:\windows\system\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\system\svchost.exe	spoolsv.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3480	422d63953428c5873365c145f11cf440_NeikiAnalytics.exe
3480	422d63953428c5873365c145f11cf440_NeikiAnalytics.exe
3712	explorer.exe
3712	explorer.exe
3712	explorer.exe
3712	explorer.exe
3712	explorer.exe
3712	explorer.exe
3712	explorer.exe
3712	explorer.exe
2572	svchost.exe
2572	svchost.exe
2572	svchost.exe
2572	svchost.exe
3712	explorer.exe
3712	explorer.exe
2572	svchost.exe
2572	svchost.exe
3712	explorer.exe
3712	explorer.exe
2572	svchost.exe
2572	svchost.exe
3712	explorer.exe
3712	explorer.exe
2572	svchost.exe
2572	svchost.exe
3712	explorer.exe
3712	explorer.exe
2572	svchost.exe
2572	svchost.exe
2572	svchost.exe
3712	explorer.exe
2572	svchost.exe
3712	explorer.exe
3712	explorer.exe
2572	svchost.exe
3712	explorer.exe
2572	svchost.exe
2572	svchost.exe
3712	explorer.exe
2572	svchost.exe
3712	explorer.exe
3712	explorer.exe
2572	svchost.exe
3712	explorer.exe
2572	svchost.exe
2572	svchost.exe
3712	explorer.exe
2572	svchost.exe
3712	explorer.exe
3712	explorer.exe
2572	svchost.exe
3712	explorer.exe
2572	svchost.exe
2572	svchost.exe
3712	explorer.exe
3712	explorer.exe
2572	svchost.exe
2572	svchost.exe
3712	explorer.exe
2572	svchost.exe
3712	explorer.exe
3712	explorer.exe
2572	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
3712	explorer.exe
2572	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3480	422d63953428c5873365c145f11cf440_NeikiAnalytics.exe
3480	422d63953428c5873365c145f11cf440_NeikiAnalytics.exe
3712	explorer.exe
3712	explorer.exe
3332	spoolsv.exe
3332	spoolsv.exe
2572	svchost.exe
2572	svchost.exe
4852	spoolsv.exe
4852	spoolsv.exe
3712	explorer.exe
3712	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 3712	3480	422d63953428c5873365c145f11cf440_NeikiAnalytics.exe	83
PID 3480 wrote to memory of 3712	3480	422d63953428c5873365c145f11cf440_NeikiAnalytics.exe	83
PID 3480 wrote to memory of 3712	3480	422d63953428c5873365c145f11cf440_NeikiAnalytics.exe	83
PID 3712 wrote to memory of 3332	3712	explorer.exe	84
PID 3712 wrote to memory of 3332	3712	explorer.exe	84
PID 3712 wrote to memory of 3332	3712	explorer.exe	84
PID 3332 wrote to memory of 2572	3332	spoolsv.exe	85
PID 3332 wrote to memory of 2572	3332	spoolsv.exe	85
PID 3332 wrote to memory of 2572	3332	spoolsv.exe	85
PID 2572 wrote to memory of 4852	2572	svchost.exe	86
PID 2572 wrote to memory of 4852	2572	svchost.exe	86
PID 2572 wrote to memory of 4852	2572	svchost.exe	86
PID 2572 wrote to memory of 2588	2572	svchost.exe	88
PID 2572 wrote to memory of 2588	2572	svchost.exe	88
PID 2572 wrote to memory of 2588	2572	svchost.exe	88
PID 2572 wrote to memory of 2536	2572	svchost.exe	107
PID 2572 wrote to memory of 2536	2572	svchost.exe	107
PID 2572 wrote to memory of 2536	2572	svchost.exe	107
PID 2572 wrote to memory of 3512	2572	svchost.exe	117
PID 2572 wrote to memory of 3512	2572	svchost.exe	117
PID 2572 wrote to memory of 3512	2572	svchost.exe	117

C:\Users\Admin\AppData\Local\Temp\422d63953428c5873365c145f11cf440_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\422d63953428c5873365c145f11cf440_NeikiAnalytics.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3480
- \??\c:\windows\system\explorer.exe
  c:\windows\system\explorer.exe
  2⤵
  - Modifies WinLogon for persistence
  - Modifies visiblity of hidden/system files in Explorer
  - Modifies Installed Components in the registry
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3712
- - \??\c:\windows\system\spoolsv.exe
    c:\windows\system\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3332
  - - \??\c:\windows\system\svchost.exe
      c:\windows\system\svchost.exe
      4⤵
      Modifies WinLogon for persistence
      Modifies visiblity of hidden/system files in Explorer
      Modifies Installed Components in the registry
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2572
    - - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:4852
    - - C:\Windows\SysWOW64\at.exe
        
        at 11:54 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:2588
    - - C:\Windows\SysWOW64\at.exe
        
        at 11:55 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:2536
    - - C:\Windows\SysWOW64\at.exe
        
        at 11:56 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:3512

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\mrsys.exe

Filesize
65KB

MD5
8c6c922e661828e76216d0e4ba114e46

SHA1
7807ac06d62d33d0689d68a3119173d7a4adb1fd

SHA256
6108917e35e5975c1a4e1c3f5c09e9be7950533e46e5f3b983f7b397ee82e323

SHA512
f5d33a1a77ba798f2601fe3f04f799533267211595c5752081b9274cbbf1f3112b94053b0ac5678ba99e6714ae75bbaf4c8d584e97375ff5d52fdd6f32ead086

Download Submit
C:\Windows\System\spoolsv.exe

Filesize
65KB

MD5
49cf01b8c3efe72362b43c688a7fdf87

SHA1
89a43be2ed1a9bcf03918e28fe6baa1b5b726cca

SHA256
0a6576369ea3f7ed750a0161a41be6470aad3aa1f61c37633a36ae7f88544215

SHA512
ceac488602d75f8a8187370c07ac695c0dfc10defc8721f049064a7b4e67c09ca19a71a61a868536bac6575244759e227de01ffc301cec33858b4b27b048e306

Download Submit
\??\c:\windows\system\explorer.exe

Filesize
65KB

MD5
75fe30a2d5f94c6110afd0c70c92ebb4

SHA1
db526637e5b8ac3116d02ec53408e28fc0dc1b32

SHA256
78ae27c8249c835951602dc7a33207a2d0ccfe746927ca903e392109c8faf66a

SHA512
79690c50663823a0d7c72a0e746c7808402cfd549cbd27eb735d3ae12451335670089b1d9acd1d5a6f35bf85150982f14505d44e711969d5465c290c07a91fbe

Download Submit
\??\c:\windows\system\svchost.exe

Filesize
65KB

MD5
bb9a9b67534e8a12cbe50f55a18ebdde

SHA1
f51c7cc0f23eaa85f34e1b564cf25eaee8ddfa3a

SHA256
2375bc2566c2e4be9d27d8d22a65bbbee777e59c8246bf510baa2f7e19f5ba0d

SHA512
760f0c3bfd738f587f42e3c739060b80cf4f356718142b364d2e788819e90d2b64c24a7a5fff6e8a260af78171b3899e5db2091d8f7ceb5dcef7dd11da0e502f

Download Submit
memory/2572-57-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2572-36-0x0000000074FA0000-0x00000000750FD000-memory.dmp

Filesize
1.4MB

Download
memory/3332-52-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3332-24-0x0000000074FA0000-0x00000000750FD000-memory.dmp

Filesize
1.4MB

Download
memory/3332-30-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3332-28-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3480-53-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3480-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3480-1-0x00000000001C0000-0x00000000001C4000-memory.dmp

Filesize
16KB

Download
memory/3480-3-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3480-2-0x0000000074FA0000-0x00000000750FD000-memory.dmp

Filesize
1.4MB

Download
memory/3480-54-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/3480-5-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/3712-56-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3712-15-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3712-66-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3712-13-0x0000000074FA0000-0x00000000750FD000-memory.dmp

Filesize
1.4MB

Download
memory/4852-49-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4852-43-0x0000000074FA0000-0x00000000750FD000-memory.dmp

Filesize
1.4MB

Download
memory/4852-42-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download