Malware Analysis Report

2025-03-15 05:45

Sample ID 240510-b479vaeg75
Target 3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics
SHA256 ac5c05346f31bf63f7618e4b8118846fd98bec14f471568f1a6212f4ddd50f70
Tags
aspackv2 bootkit persistence spyware stealer
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

ac5c05346f31bf63f7618e4b8118846fd98bec14f471568f1a6212f4ddd50f70

Threat Level: Likely malicious

The file 3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics was found to be: Likely malicious.

Malicious Activity Summary

aspackv2 bootkit persistence spyware stealer

Blocklisted process makes network request

Deletes itself

Executes dropped EXE

Reads user/profile data of web browsers

ASPack v2.12-2.42

Loads dropped DLL

Adds Run key to start application

Enumerates connected drives

Writes to the Master Boot Record (MBR)

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-10 01:43

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 01:43

Reported

2024-05-10 01:45

Platform

win7-20240508-en

Max time kernel

142s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe"

Signatures

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Deletes itself

Description Indicator Process Target
N/A N/A \??\c:\rgvvb.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A \??\c:\rgvvb.exe N/A

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\goognxxc\\hevtf.dll\",GetWindowClass" \??\c:\windows\SysWOW64\rundll32.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\b: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\o: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\t: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\w: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\a: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\i: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\k: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\r: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\m: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\q: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\s: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\x: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\e: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\g: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\h: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\j: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\z: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\v: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\y: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\l: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\n: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\p: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\u: \??\c:\windows\SysWOW64\rundll32.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 \??\c:\windows\SysWOW64\rundll32.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 \??\c:\windows\SysWOW64\rundll32.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString \??\c:\windows\SysWOW64\rundll32.exe N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A \??\c:\windows\SysWOW64\rundll32.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe N/A
N/A N/A \??\c:\rgvvb.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2028 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe C:\Windows\SysWOW64\cmd.exe
PID 2028 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe C:\Windows\SysWOW64\cmd.exe
PID 2028 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe C:\Windows\SysWOW64\cmd.exe
PID 2028 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe C:\Windows\SysWOW64\cmd.exe
PID 2208 wrote to memory of 3060 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2208 wrote to memory of 3060 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2208 wrote to memory of 3060 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2208 wrote to memory of 3060 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2208 wrote to memory of 2936 N/A C:\Windows\SysWOW64\cmd.exe \??\c:\rgvvb.exe
PID 2208 wrote to memory of 2936 N/A C:\Windows\SysWOW64\cmd.exe \??\c:\rgvvb.exe
PID 2208 wrote to memory of 2936 N/A C:\Windows\SysWOW64\cmd.exe \??\c:\rgvvb.exe
PID 2208 wrote to memory of 2936 N/A C:\Windows\SysWOW64\cmd.exe \??\c:\rgvvb.exe
PID 2936 wrote to memory of 3008 N/A \??\c:\rgvvb.exe \??\c:\windows\SysWOW64\rundll32.exe
PID 2936 wrote to memory of 3008 N/A \??\c:\rgvvb.exe \??\c:\windows\SysWOW64\rundll32.exe
PID 2936 wrote to memory of 3008 N/A \??\c:\rgvvb.exe \??\c:\windows\SysWOW64\rundll32.exe
PID 2936 wrote to memory of 3008 N/A \??\c:\rgvvb.exe \??\c:\windows\SysWOW64\rundll32.exe
PID 2936 wrote to memory of 3008 N/A \??\c:\rgvvb.exe \??\c:\windows\SysWOW64\rundll32.exe
PID 2936 wrote to memory of 3008 N/A \??\c:\rgvvb.exe \??\c:\windows\SysWOW64\rundll32.exe
PID 2936 wrote to memory of 3008 N/A \??\c:\rgvvb.exe \??\c:\windows\SysWOW64\rundll32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe"

C:\Windows\SysWOW64\cmd.exe

cmd.exe /c ping 127.0.0.1 -n 2&c:\rgvvb.exe "C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1 -n 2

\??\c:\rgvvb.exe

c:\rgvvb.exe "C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe"

\??\c:\windows\SysWOW64\rundll32.exe

c:\windows\system32\rundll32.exe "c:\goognxxc\hevtf.dll",GetWindowClass c:\rgvvb.exe

Network

Country Destination Domain Proto
US 67.229.232.230:803 tcp
US 67.229.232.230:803 tcp
US 67.229.232.226:3204 tcp
US 67.229.232.229:805 tcp
US 67.229.232.229:805 tcp
US 67.229.232.229:805 tcp
US 67.229.232.229:805 tcp
US 67.229.232.226:3204 tcp
US 67.229.232.226:3204 tcp
US 67.229.232.226:3204 tcp

Files

\??\c:\rgvvb.exe

MD5 e86866113606c2465f0382fa67ed12d3
SHA1 f6bfb3abd5803c66e470dc72753ce94da2af70bc
SHA256 e5961fb1a3a9b062af8b06028532f25e73899f13321e1ec0ac30cd7758a0cc75
SHA512 3def63e8dd3f24311e57f3bcc1ef711b81ec65a041d68feb298018ee4be2e53da1df738ae63c848d0d1971ef1192aff614b2b3d229080886d5aa845259433d93

\??\c:\goognxxc\hevtf.dll

MD5 3f82de3a24b560d4d5135bf4074bdd9b
SHA1 7b6c9ef2d53c58bba7d6114794b9240d0fe7b208
SHA256 be0756d8916bff40899d62deb0f084211490910e2d5d6ff77cd7c73bdc26bd3c
SHA512 fea15cc2ab56be6fd7a65c0a1d356db5595bbde69cabdf92347b865f76c1acdaaab5962b9cb21b7d88b9d72ee79c4d93f11fa88f3998bdc761e272961bc21ae8

memory/3008-9-0x0000000010000000-0x0000000010036000-memory.dmp

memory/3008-10-0x0000000010000000-0x0000000010036000-memory.dmp

memory/3008-12-0x0000000010000000-0x0000000010036000-memory.dmp

memory/3008-11-0x0000000010000000-0x0000000010036000-memory.dmp

memory/3008-13-0x0000000010033000-0x0000000010034000-memory.dmp

memory/3008-14-0x0000000010000000-0x0000000010036000-memory.dmp

memory/3008-18-0x0000000010000000-0x0000000010036000-memory.dmp

memory/3008-19-0x0000000010000000-0x0000000010036000-memory.dmp

memory/3008-20-0x0000000010000000-0x0000000010036000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-10 01:43

Reported

2024-05-10 01:45

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe"

Signatures

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Deletes itself

Description Indicator Process Target
N/A N/A \??\c:\eujyg.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A \??\c:\eujyg.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\ffgpq\\kmvcroqpc.dll\",GetWindowClass" \??\c:\windows\SysWOW64\rundll32.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\i: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\s: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\u: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\v: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\w: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\g: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\e: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\l: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\x: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\a: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\j: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\k: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\m: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\n: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\r: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\t: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\y: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\b: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\o: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\p: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\q: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\z: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\h: \??\c:\windows\SysWOW64\rundll32.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 \??\c:\windows\SysWOW64\rundll32.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 \??\c:\windows\SysWOW64\rundll32.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString \??\c:\windows\SysWOW64\rundll32.exe N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A \??\c:\windows\SysWOW64\rundll32.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe N/A
N/A N/A \??\c:\eujyg.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe"

C:\Windows\SysWOW64\cmd.exe

cmd.exe /c ping 127.0.0.1 -n 2&c:\eujyg.exe "C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1 -n 2

\??\c:\eujyg.exe

c:\eujyg.exe "C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe"

\??\c:\windows\SysWOW64\rundll32.exe

c:\windows\system32\rundll32.exe "c:\ffgpq\kmvcroqpc.dll",GetWindowClass c:\eujyg.exe

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 --field-trial-handle=4216,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=3404 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
BE 2.17.196.137:443 www.bing.com tcp
BE 2.17.196.137:443 www.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 67.229.232.230:803 tcp
US 8.8.8.8:53 137.196.17.2.in-addr.arpa udp
US 67.229.232.226:3204 tcp
US 67.229.232.229:805 tcp
US 67.229.232.229:805 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 67.229.232.229:805 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 67.229.232.226:3204 tcp
US 67.229.232.226:3204 tcp
US 8.8.8.8:53 6.173.189.20.in-addr.arpa udp
US 67.229.232.226:3204 tcp
US 67.229.232.226:3204 tcp

Files

C:\eujyg.exe

MD5 d2f13a110060990811dca62c13d442e9
SHA1 ce786031394f4b31a76dd926b12bd27db6d15ac3
SHA256 1edae181cc3b36bce5fd74554531b6b779f78e259fc66b1768799d002c05eb18
SHA512 02b2c8dfb95916b953b110fb849b4aa781e4207c40fb8ab416a4245844f4a5532087cb9c8f3d5514439c84e2f0aca6ba6ca243132493b6f15544f02ca0c5ea32

\??\c:\ffgpq\kmvcroqpc.dll

MD5 3f82de3a24b560d4d5135bf4074bdd9b
SHA1 7b6c9ef2d53c58bba7d6114794b9240d0fe7b208
SHA256 be0756d8916bff40899d62deb0f084211490910e2d5d6ff77cd7c73bdc26bd3c
SHA512 fea15cc2ab56be6fd7a65c0a1d356db5595bbde69cabdf92347b865f76c1acdaaab5962b9cb21b7d88b9d72ee79c4d93f11fa88f3998bdc761e272961bc21ae8

memory/1148-7-0x0000000010000000-0x0000000010036000-memory.dmp

memory/1148-8-0x0000000010000000-0x0000000010036000-memory.dmp

memory/1148-10-0x0000000010000000-0x0000000010036000-memory.dmp

memory/1148-9-0x0000000010000000-0x0000000010036000-memory.dmp

memory/1148-11-0x0000000010000000-0x0000000010036000-memory.dmp

memory/1148-13-0x0000000010000000-0x0000000010036000-memory.dmp

memory/1148-15-0x0000000010000000-0x0000000010036000-memory.dmp

memory/1148-16-0x0000000010000000-0x0000000010036000-memory.dmp