2a695d24933483add379f6d553d1a6742eb05f7678f6714cee2d2c930558e912

Analysis

max time kernel
155s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/06/2024, 01:26

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General

Target

2595d6ebf78378d12a336c0b5ff44040_NeikiAnalytics.exe
Size

66KB
MD5

2595d6ebf78378d12a336c0b5ff44040
SHA1

3c4a6ee5ef4ebfbafcb96fcbd11e2b24a0a7bf79
SHA256

2a695d24933483add379f6d553d1a6742eb05f7678f6714cee2d2c930558e912
SHA512

2a1cf201597fd21968772d351fdbc9664e9781041afc443ce0fafa74059fbd4f90f5a1f9e5a1ddc1f42393714381eb137fa908a136062fddc40713564f6f32df
SSDEEP

1536:EHfetdklPp+07gDSrB8Xru2zGeJxgawTzpXzrDJrXil:IeklMMYJhqezw/pXzH9il

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/2520-39-0x0000000074C80000-0x0000000074DDD000-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"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	explorer.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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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\{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
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

Executes dropped EXE 4 IoCs

pid	Process
884	explorer.exe
3616	spoolsv.exe
2520	svchost.exe
3076	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	2595d6ebf78378d12a336c0b5ff44040_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
3176	2595d6ebf78378d12a336c0b5ff44040_NeikiAnalytics.exe
3176	2595d6ebf78378d12a336c0b5ff44040_NeikiAnalytics.exe
884	explorer.exe
884	explorer.exe
884	explorer.exe
884	explorer.exe
884	explorer.exe
884	explorer.exe
884	explorer.exe
884	explorer.exe
2520	svchost.exe
2520	svchost.exe
2520	svchost.exe
2520	svchost.exe
884	explorer.exe
884	explorer.exe
2520	svchost.exe
2520	svchost.exe
884	explorer.exe
884	explorer.exe
2520	svchost.exe
2520	svchost.exe
884	explorer.exe
884	explorer.exe
2520	svchost.exe
2520	svchost.exe
884	explorer.exe
884	explorer.exe
2520	svchost.exe
2520	svchost.exe
884	explorer.exe
884	explorer.exe
2520	svchost.exe
2520	svchost.exe
884	explorer.exe
884	explorer.exe
2520	svchost.exe
2520	svchost.exe
884	explorer.exe
884	explorer.exe
2520	svchost.exe
2520	svchost.exe
884	explorer.exe
884	explorer.exe
2520	svchost.exe
2520	svchost.exe
884	explorer.exe
884	explorer.exe
2520	svchost.exe
2520	svchost.exe
884	explorer.exe
884	explorer.exe
2520	svchost.exe
2520	svchost.exe
884	explorer.exe
884	explorer.exe
2520	svchost.exe
2520	svchost.exe
884	explorer.exe
884	explorer.exe
2520	svchost.exe
2520	svchost.exe
884	explorer.exe
884	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
884	explorer.exe
2520	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3176	2595d6ebf78378d12a336c0b5ff44040_NeikiAnalytics.exe
3176	2595d6ebf78378d12a336c0b5ff44040_NeikiAnalytics.exe
884	explorer.exe
884	explorer.exe
3616	spoolsv.exe
3616	spoolsv.exe
2520	svchost.exe
2520	svchost.exe
3076	spoolsv.exe
3076	spoolsv.exe
884	explorer.exe
884	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 884	3176	2595d6ebf78378d12a336c0b5ff44040_NeikiAnalytics.exe	92
PID 3176 wrote to memory of 884	3176	2595d6ebf78378d12a336c0b5ff44040_NeikiAnalytics.exe	92
PID 3176 wrote to memory of 884	3176	2595d6ebf78378d12a336c0b5ff44040_NeikiAnalytics.exe	92
PID 884 wrote to memory of 3616	884	explorer.exe	93
PID 884 wrote to memory of 3616	884	explorer.exe	93
PID 884 wrote to memory of 3616	884	explorer.exe	93
PID 3616 wrote to memory of 2520	3616	spoolsv.exe	94
PID 3616 wrote to memory of 2520	3616	spoolsv.exe	94
PID 3616 wrote to memory of 2520	3616	spoolsv.exe	94
PID 2520 wrote to memory of 3076	2520	svchost.exe	95
PID 2520 wrote to memory of 3076	2520	svchost.exe	95
PID 2520 wrote to memory of 3076	2520	svchost.exe	95
PID 2520 wrote to memory of 1656	2520	svchost.exe	96
PID 2520 wrote to memory of 1656	2520	svchost.exe	96
PID 2520 wrote to memory of 1656	2520	svchost.exe	96
PID 2520 wrote to memory of 3876	2520	svchost.exe	107
PID 2520 wrote to memory of 3876	2520	svchost.exe	107
PID 2520 wrote to memory of 3876	2520	svchost.exe	107
PID 2520 wrote to memory of 2300	2520	svchost.exe	109
PID 2520 wrote to memory of 2300	2520	svchost.exe	109
PID 2520 wrote to memory of 2300	2520	svchost.exe	109

C:\Users\Admin\AppData\Local\Temp\2595d6ebf78378d12a336c0b5ff44040_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\2595d6ebf78378d12a336c0b5ff44040_NeikiAnalytics.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3176
- \??\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:884
- - \??\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:3616
  - - \??\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:2520
    - - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:3076
    - - C:\Windows\SysWOW64\at.exe
        
        at 01:28 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:1656
    - - C:\Windows\SysWOW64\at.exe
        
        at 01:29 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:3876
    - - C:\Windows\SysWOW64\at.exe
        
        at 01:30 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:2300

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 --mojo-platform-channel-handle=4048 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
1⤵
PID:3544

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
66KB

MD5
9f3e0447f9527cb7b711cddcb9f57e3c

SHA1
c97d57ecc4514a199f90d28efc98682fab2be14c

SHA256
5cd01902245bc6ec5f6fa0607d4def36841e1183f59c0b8807b3e69d1ff0bcd9

SHA512
537ecade1c78fdbfda060679f16c7a5a9d32b781c2f29b2eaee2ea8f8e766d36a1ceb29b87fe9c4ba2ed69a0495fea3355d7cc9cc436a571b69d0a30894f0461

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

Filesize
66KB

MD5
273d8ac9be56222c25db21e46dffdf26

SHA1
ae779262d4e4e6590d47c42794601cf65a8e98bd

SHA256
18d05104c9ed4c90ec72015a70df2603169f30a46fdc2e0bcbfef235a6d8a754

SHA512
31907de4acc1e54e919c75e45c46a1b9753a2c566aeaee6a751116d0a73e1635d01ba2e8ec29794b8707917d9dbc6c8f63a47a6d2052944808f56c5aecc1180c

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

Filesize
66KB

MD5
d1fa72760871dea982b3f2aa71313798

SHA1
25ea94c841d841b01050b618a47a9ec8f29065af

SHA256
94b81bb7851cd8c55d1d3e008312cad3b59bbb087d124561414a9c6c38363f00

SHA512
2702dec1989b7e1b0387b43faed33cb2c141e0123ff86d528383c0486bd524804de6345eadc97499bdedb4d9679feb1de66bfc4f85c06fe3dcc451a15e7d60f0

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

Filesize
66KB

MD5
43495a7d39a70b86a2c1601b7c702931

SHA1
345fb45f62fa3dc80431cef5c2906f78fecae4a9

SHA256
362b416e8948cf932527f7435428939ff3fb529c217021b5dc0105bc88320011

SHA512
43b250529e8993fa35b77eb40e135c5c4afcf03d935d94d01f9c456a4e340a570ceb76166d45c567c883cc49cfca87cfb9e349dc074b81ad67da8a914b40685f

Download Submit
memory/884-73-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/884-60-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/884-14-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/884-15-0x0000000074C80000-0x0000000074DDD000-memory.dmp

Filesize
1.4MB

Download
memory/884-17-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2520-62-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2520-39-0x0000000074C80000-0x0000000074DDD000-memory.dmp

Filesize
1.4MB

Download
memory/2520-41-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3076-46-0x0000000074C80000-0x0000000074DDD000-memory.dmp

Filesize
1.4MB

Download
memory/3076-52-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3176-8-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3176-38-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/3176-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3176-36-0x00000000001C0000-0x00000000001C4000-memory.dmp

Filesize
16KB

Download
memory/3176-58-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/3176-57-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3176-2-0x0000000074C80000-0x0000000074DDD000-memory.dmp

Filesize
1.4MB

Download
memory/3176-4-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/3176-3-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3176-1-0x00000000001C0000-0x00000000001C4000-memory.dmp

Filesize
16KB

Download
memory/3616-26-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3616-27-0x0000000074C80000-0x0000000074DDD000-memory.dmp

Filesize
1.4MB

Download
memory/3616-53-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download