3753e867225346a32e12b052fe1300a2bdbe3fb9e1f693f2eca340bce5cb2b0b

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
03/06/2024, 10:45

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General

Target

a097fe52bb82e6fdf906a8b0fb3f3080_NeikiAnalytics.exe
Size

315KB
MD5

a097fe52bb82e6fdf906a8b0fb3f3080
SHA1

af85160aaaedc83995d3977bcc497506d247051d
SHA256

3753e867225346a32e12b052fe1300a2bdbe3fb9e1f693f2eca340bce5cb2b0b
SHA512

acc26bbfa93794e7c360d5722be6fe1e9075faf7b06514e6ef5f82f0ac19ffa27c96f2e1a38fca8326d1f19aa74ad46a7eb7726175f3bcef426ee3b76412221a
SSDEEP

3072:7sgCullUQN7gsBh1LLQikygCullUQN7gsBh1L1P:7LleK771Q/RleK7715

Score

10^/10

evasion persistence upx

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-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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\{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
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

Executes dropped EXE 4 IoCs

pid	Process
4708	explorer.exe
2092	spoolsv.exe
4192	svchost.exe
4760	spoolsv.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3600-0-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/files/0x0008000000023298-7.dat	upx
behavioral2/memory/4708-9-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/files/0x0008000000023425-14.dat	upx
behavioral2/files/0x0008000000023426-24.dat	upx
behavioral2/memory/4760-33-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/2092-36-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/3600-37-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/files/0x0008000000023427-38.dat	upx
behavioral2/memory/4708-39-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4192-40-0x0000000000400000-0x0000000000422000-memory.dmp	upx

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 7 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\tjud.exe	explorer.exe
File opened for modification	C:\Windows\System\tjcm.cmn	explorer.exe
File opened for modification	\??\c:\windows\system\explorer.exe	a097fe52bb82e6fdf906a8b0fb3f3080_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
3600	a097fe52bb82e6fdf906a8b0fb3f3080_NeikiAnalytics.exe
3600	a097fe52bb82e6fdf906a8b0fb3f3080_NeikiAnalytics.exe
4708	explorer.exe
4708	explorer.exe
4708	explorer.exe
4708	explorer.exe
4708	explorer.exe
4708	explorer.exe
4192	svchost.exe
4192	svchost.exe
4192	svchost.exe
4192	svchost.exe
4708	explorer.exe
4708	explorer.exe
4192	svchost.exe
4192	svchost.exe
4708	explorer.exe
4708	explorer.exe
4192	svchost.exe
4192	svchost.exe
4708	explorer.exe
4708	explorer.exe
4192	svchost.exe
4192	svchost.exe
4708	explorer.exe
4708	explorer.exe
4192	svchost.exe
4192	svchost.exe
4708	explorer.exe
4708	explorer.exe
4192	svchost.exe
4192	svchost.exe
4708	explorer.exe
4708	explorer.exe
4192	svchost.exe
4192	svchost.exe
4708	explorer.exe
4708	explorer.exe
4192	svchost.exe
4192	svchost.exe
4708	explorer.exe
4708	explorer.exe
4192	svchost.exe
4192	svchost.exe
4708	explorer.exe
4708	explorer.exe
4192	svchost.exe
4192	svchost.exe
4708	explorer.exe
4708	explorer.exe
4192	svchost.exe
4192	svchost.exe
4708	explorer.exe
4708	explorer.exe
4192	svchost.exe
4192	svchost.exe
4708	explorer.exe
4708	explorer.exe
4192	svchost.exe
4192	svchost.exe
4708	explorer.exe
4708	explorer.exe
4192	svchost.exe
4192	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4708	explorer.exe
4192	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
3600	a097fe52bb82e6fdf906a8b0fb3f3080_NeikiAnalytics.exe
3600	a097fe52bb82e6fdf906a8b0fb3f3080_NeikiAnalytics.exe
4708	explorer.exe
4708	explorer.exe
2092	spoolsv.exe
2092	spoolsv.exe
4192	svchost.exe
4192	svchost.exe
4760	spoolsv.exe
4760	spoolsv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3600 wrote to memory of 4708	3600	a097fe52bb82e6fdf906a8b0fb3f3080_NeikiAnalytics.exe	82
PID 3600 wrote to memory of 4708	3600	a097fe52bb82e6fdf906a8b0fb3f3080_NeikiAnalytics.exe	82
PID 3600 wrote to memory of 4708	3600	a097fe52bb82e6fdf906a8b0fb3f3080_NeikiAnalytics.exe	82
PID 4708 wrote to memory of 2092	4708	explorer.exe	83
PID 4708 wrote to memory of 2092	4708	explorer.exe	83
PID 4708 wrote to memory of 2092	4708	explorer.exe	83
PID 2092 wrote to memory of 4192	2092	spoolsv.exe	84
PID 2092 wrote to memory of 4192	2092	spoolsv.exe	84
PID 2092 wrote to memory of 4192	2092	spoolsv.exe	84
PID 4192 wrote to memory of 4760	4192	svchost.exe	85
PID 4192 wrote to memory of 4760	4192	svchost.exe	85
PID 4192 wrote to memory of 4760	4192	svchost.exe	85

C:\Users\Admin\AppData\Local\Temp\a097fe52bb82e6fdf906a8b0fb3f3080_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\a097fe52bb82e6fdf906a8b0fb3f3080_NeikiAnalytics.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3600
- \??\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:4708
- - \??\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:2092
  - - \??\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:4192
    - - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:4760

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
315KB

MD5
1cf82aed378b3430044f6f35cc4188ee

SHA1
c491158c901ca52518e62af7dfde2f74d49d7b08

SHA256
eab74cd2decb0004f6af7ccb68a5de53af33198ed0fd74d87f0e61f86240479f

SHA512
228c9602723996e0f5c2c9f60ef14390017a9af9ee9f297e887f5b7b3fdb85251429f807fa34cb2e464f85c4b34bdf0e26973712da8bb435122420be543b5f66

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

Filesize
314KB

MD5
cdba7fc1e0a5b655382035945ae4b1f6

SHA1
b5256656bd39b3778e58aa26f65ad0f5d97973be

SHA256
9fa7e4618b7652474159b3a385ab6397fd840a145034d463b262ad8804b7a5e9

SHA512
eb098858e1fba31e5299e5a18d68ee399301e1270f1c23f0133bd0cf688006b87e979726ad1523bb0194ebcf81813c3e5e5500619bb2a4fcf1bb3f0adb965a67

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

Filesize
314KB

MD5
7ba0e75f8becab89c033cbd19b72b21c

SHA1
08b07583a1cfe2415e33fc09e737073e46b54581

SHA256
da96bd94690ae3cc1447bd55faa01e445e3b4a4a79491618526d3531241f4d82

SHA512
6b71a5f1ab81c24e7b4441e22e2dd17a780417a16330e98af8d45fc54242ea2988ab8240a4a43d239d2913fe4b94f8a0a012051cee78c98c0436a1b7888f1fb3

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

Filesize
315KB

MD5
4ca95f8c40fca102f640aeb05fce8a7e

SHA1
c6fc4dbd68a5a8f6cad07ad645769838655cdc1e

SHA256
79918403c2c70fcc63c3bb5da6741a3eb2bffa9762c86c13af022a10cad97615

SHA512
38417a8f059a6c9fa731d948df2c2513fb0078ceaf5db3f0a9a1298b00ffe50574c97acd23bf952e821afee79119a97889c145369673183c312d7d8c844e3e22

Download Submit
memory/2092-36-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3600-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3600-37-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4192-40-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4708-9-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4708-39-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4760-33-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download