b5d3645ffca53830aa52b36b6486ba07bfd6b9764a478b1a6539f32731c869e2

Analysis

max time kernel
142s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26-05-2024 01:08

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General

Target

45ab27b7822125bd7860bb3b48db4580_NeikiAnalytics.exe
Size

74KB
MD5

45ab27b7822125bd7860bb3b48db4580
SHA1

8ad9961ad7c48aa92a310161cfcf141bf0ae4b54
SHA256

b5d3645ffca53830aa52b36b6486ba07bfd6b9764a478b1a6539f32731c869e2
SHA512

9d52a7035ee4f39f6f10f2ecd7fb7c631ee39c0099d5b66620f4f3c56a1971657f56fe79edf89e50e6f9e7a8cd27de0d53234835831c930dfb2cbe092e4bfafb
SSDEEP

1536:6LxJJlguY/NbvWU2VkWlVvtlqDyKJR40AEEo:cc/R+U23vtlPR0p

Score

8^/10

bootkit persistence spyware stealer upx

Malware Config

Signatures

Blocklisted process makes network request 8 IoCs

Processes:

rundll32.exe

flow	pid	process
21	3464	rundll32.exe
28	3464	rundll32.exe
30	3464	rundll32.exe
29	3464	rundll32.exe
41	3464	rundll32.exe
42	3464	rundll32.exe
49	3464	rundll32.exe
61	3464	rundll32.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\??\c:\dkrej\ivkrg.dll	acprotect

Deletes itself 1 IoCs

Processes:

vnukkjih.exe

pid process

5048 vnukkjih.exe
Executes dropped EXE 1 IoCs

Processes:

vnukkjih.exe

pid process

5048 vnukkjih.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

3464 rundll32.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
5048	vnukkjih.exe

pid	process
5048	vnukkjih.exe

pid	process
3464	rundll32.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
\??\c:\dkrej\ivkrg.dll	upx
behavioral2/memory/3464-14-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral2/memory/3464-15-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral2/memory/3464-17-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral2/memory/3464-19-0x0000000010000000-0x0000000010024000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\dkrej\\ivkrg.dll\",init"	rundll32.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

rundll32.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 rundll32.exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	rundll32.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

536 PING.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rundll32.exe

pid process

3464 rundll32.exe
3464 rundll32.exe
3464 rundll32.exe
3464 rundll32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 3464 rundll32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

45ab27b7822125bd7860bb3b48db4580_NeikiAnalytics.exevnukkjih.exe

pid process

212 45ab27b7822125bd7860bb3b48db4580_NeikiAnalytics.exe
5048 vnukkjih.exe

pid	process
536	PING.EXE

pid	process
3464	rundll32.exe
3464	rundll32.exe
3464	rundll32.exe
3464	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	3464	rundll32.exe

pid	process
212	45ab27b7822125bd7860bb3b48db4580_NeikiAnalytics.exe
5048	vnukkjih.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

45ab27b7822125bd7860bb3b48db4580_NeikiAnalytics.execmd.exevnukkjih.exe

description	pid	process	target process
PID 212 wrote to memory of 4920	212	45ab27b7822125bd7860bb3b48db4580_NeikiAnalytics.exe	cmd.exe
PID 212 wrote to memory of 4920	212	45ab27b7822125bd7860bb3b48db4580_NeikiAnalytics.exe	cmd.exe
PID 212 wrote to memory of 4920	212	45ab27b7822125bd7860bb3b48db4580_NeikiAnalytics.exe	cmd.exe
PID 4920 wrote to memory of 536	4920	cmd.exe	PING.EXE
PID 4920 wrote to memory of 536	4920	cmd.exe	PING.EXE
PID 4920 wrote to memory of 536	4920	cmd.exe	PING.EXE
PID 4920 wrote to memory of 5048	4920	cmd.exe	vnukkjih.exe
PID 4920 wrote to memory of 5048	4920	cmd.exe	vnukkjih.exe
PID 4920 wrote to memory of 5048	4920	cmd.exe	vnukkjih.exe
PID 5048 wrote to memory of 3464	5048	vnukkjih.exe	rundll32.exe
PID 5048 wrote to memory of 3464	5048	vnukkjih.exe	rundll32.exe
PID 5048 wrote to memory of 3464	5048	vnukkjih.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\45ab27b7822125bd7860bb3b48db4580_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\45ab27b7822125bd7860bb3b48db4580_NeikiAnalytics.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:212

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&c:\vnukkjih.exe "C:\Users\Admin\AppData\Local\Temp\45ab27b7822125bd7860bb3b48db4580_NeikiAnalytics.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4920

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
3⤵
- Runs ping.exe
PID:536

\??\c:\vnukkjih.exe
c:\vnukkjih.exe "C:\Users\Admin\AppData\Local\Temp\45ab27b7822125bd7860bb3b48db4580_NeikiAnalytics.exe"
3⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5048

\??\c:\windows\SysWOW64\rundll32.exe
c:\windows\system32\rundll32.exe "c:\dkrej\ivkrg.dll",init c:\vnukkjih.exe
4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3464

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Remote System Discovery

T1018

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\vnukkjih.exe
Filesize
74KB

MD5
adc46d3189fc82b66ea60134b92087e0

SHA1
e4dab6ebb60f41181ecbae365743dbb57f7deb05

SHA256
7989df50093ba726bf18115a574d71e5adc848bd0b8bff3f9b3bd131369611b1

SHA512
91b6596f524e424feee0b6828c1de99e00bd98759508b9d7c8ab41b47e267d4383f13c966fdfe0337b5ec402fa43b3133d0fc2a5b4e17f329bc6d888d87d1179

Download Submit
\??\c:\dkrej\ivkrg.dll
Filesize
46KB

MD5
42fe886bcb6460f7c2a46e21ecac5da6

SHA1
7d9a1c9fe17121cf61444da965f29e974a95ede2

SHA256
b6bc7902da0250f6ca920b35b222f6a0fe62102caf05d2a1722c4d3b225a0a9e

SHA512
3d1a7dc1d9ca8a4376302ba20df584ad59b98e0d3b18b06b22d7f5a455833ce124e412fc1922a3b704dcbafa31987cda3115c9a71dd6299683502cebae33567c

Download Submit
memory/212-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/212-1-0x0000000000660000-0x0000000000662000-memory.dmp

Filesize
8KB

Download
memory/212-3-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3464-14-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/3464-15-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/3464-17-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/3464-19-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/5048-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5048-8-0x00000000020D0000-0x00000000020D2000-memory.dmp

Filesize
8KB

Download
memory/5048-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download