6eeacb1dbd789ab0783e72844750852223704cbba2c3bc2aa8217d5809e0f4f6

Analysis

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

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04/06/2024, 01:18

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General

Target

1bff664f930564db077ebf93e31385e0_NeikiAnalytics.exe
Size

206KB
MD5

1bff664f930564db077ebf93e31385e0
SHA1

9825754d11b7d941809073b884a19d05361cefc2
SHA256

6eeacb1dbd789ab0783e72844750852223704cbba2c3bc2aa8217d5809e0f4f6
SHA512

1dca77bcc3359df1a93913b0d1676276d27e2ef36335f839b464ffca5d7c98400b63ba844207e5630dc2915ace2ac977ca91dff4858d403a53755eefe7c12a76
SSDEEP

3072:5vEfVUzSLhIVbV6i5LirrlZrHyrUHUckoMQ2RN6unLi:5vEN2U+T6i5LirrllHy4HUcMQY6Ki

Score

10^/10

evasion persistence

Malware Config

Signatures

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 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
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

Executes dropped EXE 4 IoCs

pid	Process
2432	explorer.exe
2136	spoolsv.exe
4496	svchost.exe
1704	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\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
File opened for modification	\??\c:\windows\system\explorer.exe	1bff664f930564db077ebf93e31385e0_NeikiAnalytics.exe
File opened for modification	\??\c:\windows\system\spoolsv.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
4520	1bff664f930564db077ebf93e31385e0_NeikiAnalytics.exe
4520	1bff664f930564db077ebf93e31385e0_NeikiAnalytics.exe
2432	explorer.exe
2432	explorer.exe
2432	explorer.exe
2432	explorer.exe
2432	explorer.exe
2432	explorer.exe
4496	svchost.exe
4496	svchost.exe
4496	svchost.exe
4496	svchost.exe
2432	explorer.exe
2432	explorer.exe
4496	svchost.exe
4496	svchost.exe
2432	explorer.exe
2432	explorer.exe
4496	svchost.exe
4496	svchost.exe
2432	explorer.exe
2432	explorer.exe
4496	svchost.exe
4496	svchost.exe
2432	explorer.exe
2432	explorer.exe
4496	svchost.exe
4496	svchost.exe
2432	explorer.exe
2432	explorer.exe
4496	svchost.exe
4496	svchost.exe
2432	explorer.exe
2432	explorer.exe
4496	svchost.exe
4496	svchost.exe
2432	explorer.exe
2432	explorer.exe
4496	svchost.exe
4496	svchost.exe
2432	explorer.exe
2432	explorer.exe
4496	svchost.exe
4496	svchost.exe
2432	explorer.exe
2432	explorer.exe
4496	svchost.exe
4496	svchost.exe
2432	explorer.exe
2432	explorer.exe
4496	svchost.exe
4496	svchost.exe
2432	explorer.exe
2432	explorer.exe
4496	svchost.exe
4496	svchost.exe
2432	explorer.exe
2432	explorer.exe
4496	svchost.exe
4496	svchost.exe
2432	explorer.exe
2432	explorer.exe
4496	svchost.exe
4496	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2432	explorer.exe
4496	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4520	1bff664f930564db077ebf93e31385e0_NeikiAnalytics.exe
4520	1bff664f930564db077ebf93e31385e0_NeikiAnalytics.exe
2432	explorer.exe
2432	explorer.exe
2136	spoolsv.exe
2136	spoolsv.exe
4496	svchost.exe
4496	svchost.exe
1704	spoolsv.exe
1704	spoolsv.exe
2432	explorer.exe
2432	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4520 wrote to memory of 2432	4520	1bff664f930564db077ebf93e31385e0_NeikiAnalytics.exe	82
PID 4520 wrote to memory of 2432	4520	1bff664f930564db077ebf93e31385e0_NeikiAnalytics.exe	82
PID 4520 wrote to memory of 2432	4520	1bff664f930564db077ebf93e31385e0_NeikiAnalytics.exe	82
PID 2432 wrote to memory of 2136	2432	explorer.exe	83
PID 2432 wrote to memory of 2136	2432	explorer.exe	83
PID 2432 wrote to memory of 2136	2432	explorer.exe	83
PID 2136 wrote to memory of 4496	2136	spoolsv.exe	84
PID 2136 wrote to memory of 4496	2136	spoolsv.exe	84
PID 2136 wrote to memory of 4496	2136	spoolsv.exe	84
PID 4496 wrote to memory of 1704	4496	svchost.exe	85
PID 4496 wrote to memory of 1704	4496	svchost.exe	85
PID 4496 wrote to memory of 1704	4496	svchost.exe	85
PID 4496 wrote to memory of 2616	4496	svchost.exe	86
PID 4496 wrote to memory of 2616	4496	svchost.exe	86
PID 4496 wrote to memory of 2616	4496	svchost.exe	86
PID 4496 wrote to memory of 3836	4496	svchost.exe	105
PID 4496 wrote to memory of 3836	4496	svchost.exe	105
PID 4496 wrote to memory of 3836	4496	svchost.exe	105
PID 4496 wrote to memory of 824	4496	svchost.exe	115
PID 4496 wrote to memory of 824	4496	svchost.exe	115
PID 4496 wrote to memory of 824	4496	svchost.exe	115

C:\Users\Admin\AppData\Local\Temp\1bff664f930564db077ebf93e31385e0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\1bff664f930564db077ebf93e31385e0_NeikiAnalytics.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4520
- \??\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:2432
- - \??\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:2136
  - - \??\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:4496
    - - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:1704
    - - C:\Windows\SysWOW64\at.exe
        
        at 01:20 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:2616
    - - C:\Windows\SysWOW64\at.exe
        
        at 01:21 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:3836
    - - C:\Windows\SysWOW64\at.exe
        
        at 01:22 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:824

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
207KB

MD5
a0ba4701918d8bd649b22304d29261b1

SHA1
657133071d4e0649a7c514d3f5608907464d50a4

SHA256
4b770b71fadce3ca69f81fb44d04efb81d70a8731d18c8a1982134553c2f2307

SHA512
c450be39b2cfa1a2a93c0127e9c1c874a3c7c01acfff471733e9827a43a5f0dc4118a6feeeee2387daf09870c1d7d1bdd79d1cb802bf0f89ed89fa4d7167f6ef

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

Filesize
207KB

MD5
c5eb7e0d89b97c220620d98d38283652

SHA1
f413a0f5b4c188e8a8286da8ffa57752cdbcc236

SHA256
2d96d8a831538e01d89ac9eedd7182eb3381f703243414bcc18c120104b16b79

SHA512
27f34b71ea421f8a09918d11ce9e26603e9520779b267f453e3f6d26074de534d022e995947b179ebe060e133e7f666d2b383c90f53568a256e6d4b8ab8a1ec5

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

Filesize
206KB

MD5
10f6bb014131befd42eed68bfeb5c9a3

SHA1
de714d3f6d63c34a83dc143ad64b674d29f9b40c

SHA256
3c17ce67905e7d5db87d09f0dc3aaa867334d889437ac54a8873040f1c91254b

SHA512
4ef7e2eb6bd367d8cdc2da5a4eeb6b121e1d0f91e5bae0b431872e33fc1915991f50d8851cdd4cc3add0a6d38f537eca9b28200a681e203f51426a5b7df1dfc2

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

Filesize
206KB

MD5
07b109be6464a336134ca15de7702bf1

SHA1
b6752e614229d92e32ea107d7c186bf9fb67b342

SHA256
338c836c7d392c794fad4b17a0a2b608603be945dfc106b3d1cb9aa2cad6bcdb

SHA512
5ab720fcc478b17e80282590014d5b888691639c7b16ba11edadb723a746013b0e8b7ac0170db361b80ffc3535c737a5eb6f3626bb84661fd118271c3b7b361f

Download Submit
memory/1704-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2136-35-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4520-0-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4520-36-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download