ba9eec35d4cc7a953538e0d38c9439b5838692e4217f24ee6d74ee0c2ba6bf3f

Analysis

max time kernel
150s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03/06/2024, 17:46

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General

Target

35a6b34cd556426a4027523f49a2bae0_NeikiAnalytics.exe
Size

65KB
MD5

35a6b34cd556426a4027523f49a2bae0
SHA1

89d19052169778f9a7efb1784ef7a3678e996c81
SHA256

ba9eec35d4cc7a953538e0d38c9439b5838692e4217f24ee6d74ee0c2ba6bf3f
SHA512

9907b51340f308b9fda4332ea1babd405d935425eec7a41a1d427df62f54f944b8741041fc32a5ae81efc22d548046901003f62d17e667e3302724faaae2d376
SSDEEP

1536:ECq3yRuqrI01eArdW/O7JnI2e13XiLij40MkTUVqa/OuL:7WNqkOJWmo1HpM0MkTUmuL

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/2892-35-0x0000000074F00000-0x000000007505D000-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
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
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

Executes dropped EXE 4 IoCs

pid	Process
2588	explorer.exe
3812	spoolsv.exe
2892	svchost.exe
3500	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"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO"	explorer.exe
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

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\system\explorer.exe	35a6b34cd556426a4027523f49a2bae0_NeikiAnalytics.exe
File opened for modification	\??\c:\windows\system\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\system\svchost.exe	spoolsv.exe
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

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
2004	35a6b34cd556426a4027523f49a2bae0_NeikiAnalytics.exe
2004	35a6b34cd556426a4027523f49a2bae0_NeikiAnalytics.exe
2588	explorer.exe
2588	explorer.exe
2588	explorer.exe
2588	explorer.exe
2588	explorer.exe
2588	explorer.exe
2892	svchost.exe
2892	svchost.exe
2892	svchost.exe
2892	svchost.exe
2588	explorer.exe
2588	explorer.exe
2892	svchost.exe
2892	svchost.exe
2588	explorer.exe
2588	explorer.exe
2892	svchost.exe
2892	svchost.exe
2588	explorer.exe
2588	explorer.exe
2892	svchost.exe
2892	svchost.exe
2588	explorer.exe
2588	explorer.exe
2892	svchost.exe
2892	svchost.exe
2588	explorer.exe
2588	explorer.exe
2892	svchost.exe
2892	svchost.exe
2588	explorer.exe
2588	explorer.exe
2892	svchost.exe
2892	svchost.exe
2588	explorer.exe
2588	explorer.exe
2892	svchost.exe
2892	svchost.exe
2588	explorer.exe
2588	explorer.exe
2892	svchost.exe
2892	svchost.exe
2588	explorer.exe
2588	explorer.exe
2892	svchost.exe
2892	svchost.exe
2588	explorer.exe
2588	explorer.exe
2892	svchost.exe
2892	svchost.exe
2588	explorer.exe
2588	explorer.exe
2892	svchost.exe
2892	svchost.exe
2588	explorer.exe
2588	explorer.exe
2892	svchost.exe
2892	svchost.exe
2588	explorer.exe
2588	explorer.exe
2892	svchost.exe
2892	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2588	explorer.exe
2892	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2004	35a6b34cd556426a4027523f49a2bae0_NeikiAnalytics.exe
2004	35a6b34cd556426a4027523f49a2bae0_NeikiAnalytics.exe
2588	explorer.exe
2588	explorer.exe
3812	spoolsv.exe
3812	spoolsv.exe
2892	svchost.exe
2892	svchost.exe
3500	spoolsv.exe
3500	spoolsv.exe
2588	explorer.exe
2588	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 2588	2004	35a6b34cd556426a4027523f49a2bae0_NeikiAnalytics.exe	83
PID 2004 wrote to memory of 2588	2004	35a6b34cd556426a4027523f49a2bae0_NeikiAnalytics.exe	83
PID 2004 wrote to memory of 2588	2004	35a6b34cd556426a4027523f49a2bae0_NeikiAnalytics.exe	83
PID 2588 wrote to memory of 3812	2588	explorer.exe	84
PID 2588 wrote to memory of 3812	2588	explorer.exe	84
PID 2588 wrote to memory of 3812	2588	explorer.exe	84
PID 3812 wrote to memory of 2892	3812	spoolsv.exe	85
PID 3812 wrote to memory of 2892	3812	spoolsv.exe	85
PID 3812 wrote to memory of 2892	3812	spoolsv.exe	85
PID 2892 wrote to memory of 3500	2892	svchost.exe	86
PID 2892 wrote to memory of 3500	2892	svchost.exe	86
PID 2892 wrote to memory of 3500	2892	svchost.exe	86
PID 2892 wrote to memory of 4648	2892	svchost.exe	88
PID 2892 wrote to memory of 4648	2892	svchost.exe	88
PID 2892 wrote to memory of 4648	2892	svchost.exe	88
PID 2892 wrote to memory of 4488	2892	svchost.exe	103
PID 2892 wrote to memory of 4488	2892	svchost.exe	103
PID 2892 wrote to memory of 4488	2892	svchost.exe	103
PID 2892 wrote to memory of 1400	2892	svchost.exe	108
PID 2892 wrote to memory of 1400	2892	svchost.exe	108
PID 2892 wrote to memory of 1400	2892	svchost.exe	108

C:\Users\Admin\AppData\Local\Temp\35a6b34cd556426a4027523f49a2bae0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\35a6b34cd556426a4027523f49a2bae0_NeikiAnalytics.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2004
- \??\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:2588
- - \??\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:3812
  - - \??\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:2892
    - - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:3500
    - - C:\Windows\SysWOW64\at.exe
        
        at 17:48 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:4648
    - - C:\Windows\SysWOW64\at.exe
        
        at 17:49 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:4488
    - - C:\Windows\SysWOW64\at.exe
        
        at 17:50 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:1400

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
c835e2d85a84f95374bcce017e0a16b2

SHA1
cae784ebf3b319c6491e628bcae019d69fbf8b83

SHA256
06e59d1b1a82ebdd8580f8bc0f34f389b03ae91ceba830756f51cfadff10d882

SHA512
8686f978ec851bef8437b277220b855a7768c6371712f2f162c9b33a1fa7ff6b38028bc00a93737b073089ccdbb70cbe894f00e12657a3500bd50b086651821d

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

Filesize
65KB

MD5
154787cea6c5d8e676cbbe14ccda8567

SHA1
3407db5f363364211e03511fc7713bb71da6092b

SHA256
8673e0c57fe153be44d67d1aa347e75e69586de0ec26a41dccd0a19cdd1d565d

SHA512
9036ee7c66974f5c66f156bff9a056ec1e484a9ab2bc73cb9949b3fec6329081e65a1b1521c64b3550c34c945946014a5856121af5f00badc31080fd880267af

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

Filesize
65KB

MD5
dbbb964ec11bd89046b85933047f0439

SHA1
6a837cf3cf6a0b54f26e63d7c84faeb914d3e9ad

SHA256
b99fb59a585f722704c7fea1f93ad21fbc0fc00d68da116c5d72187a0184e9db

SHA512
05c1ad016e96a0364933ab0dfbb638fcd97966bfc1f13c1121e313cb04df905b119be5a7b2aa9d60b9ea1244c5b82b40fa1f184fc422f01b9882b1c5ed36adf0

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

Filesize
65KB

MD5
841bb14c1f0e5f272c7a2e12e8b3c0a9

SHA1
547762abdd50dd49eca10e8602a1a2a06be40219

SHA256
25bf230b92c220f68ab141ddf243d2d4040c60fd7f8ec4c1d5f2e0154b525c16

SHA512
b20dd8898f0d109cabe30b613c21fef90355d9f889c1f7103cd06cf2dfce379ec5e9e695476b1c0e895a9282471b93f1a50427b10f601adcab3471766d6b3441

Download Submit
memory/2004-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2004-4-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/2004-2-0x0000000074F00000-0x000000007505D000-memory.dmp

Filesize
1.4MB

Download
memory/2004-3-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2004-54-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2004-55-0x00000000001C0000-0x00000000001C4000-memory.dmp

Filesize
16KB

Download
memory/2004-1-0x00000000001C0000-0x00000000001C4000-memory.dmp

Filesize
16KB

Download
memory/2004-56-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/2588-13-0x0000000074F00000-0x000000007505D000-memory.dmp

Filesize
1.4MB

Download
memory/2588-58-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2588-69-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2588-15-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2892-40-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2892-35-0x0000000074F00000-0x000000007505D000-memory.dmp

Filesize
1.4MB

Download
memory/2892-60-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3500-42-0x0000000074F00000-0x000000007505D000-memory.dmp

Filesize
1.4MB

Download
memory/3500-51-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3812-52-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3812-25-0x0000000074F00000-0x000000007505D000-memory.dmp

Filesize
1.4MB

Download
memory/3812-24-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download