Malware Analysis Report

2024-09-23 05:28

Sample ID 240601-jbkxvadh9w
Target 92ae0db2574f133269f27498b3745200_NeikiAnalytics.exe
SHA256 19231df441e959dbf943a3cb5f04585a9c24c31f2445e5ef6b77b2ef1be9955c
Tags
gandcrab backdoor ransomware persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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
10/10

SHA256

19231df441e959dbf943a3cb5f04585a9c24c31f2445e5ef6b77b2ef1be9955c

Threat Level: Known bad

The file 92ae0db2574f133269f27498b3745200_NeikiAnalytics.exe was found to be: Known bad.

Malicious Activity Summary

gandcrab backdoor ransomware persistence

GandCrab payload

Gandcrab family

Gandcrab

Adds Run key to start application

Enumerates connected drives

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-01 07:29

Signatures

GandCrab payload

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

Gandcrab family

gandcrab

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-01 07:29

Reported

2024-06-01 07:32

Platform

win7-20240221-en

Max time kernel

118s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\92ae0db2574f133269f27498b3745200_NeikiAnalytics.dll,#1

Signatures

GandCrab payload

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

Gandcrab

ransomware backdoor gandcrab

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2072 wrote to memory of 1736 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2072 wrote to memory of 1736 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2072 wrote to memory of 1736 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2072 wrote to memory of 1736 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2072 wrote to memory of 1736 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2072 wrote to memory of 1736 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2072 wrote to memory of 1736 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\92ae0db2574f133269f27498b3745200_NeikiAnalytics.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\92ae0db2574f133269f27498b3745200_NeikiAnalytics.dll,#1

Network

N/A

Files

memory/1736-0-0x0000000000140000-0x0000000000157000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-01 07:29

Reported

2024-06-01 07:32

Platform

win10v2004-20240226-en

Max time kernel

141s

Max time network

152s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\92ae0db2574f133269f27498b3745200_NeikiAnalytics.dll,#1

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\jnicclluwts = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\lnhlgf.exe\"" C:\Windows\SysWOW64\rundll32.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\J: 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) \??\Q: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\V: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\E: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\I: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\M: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\O: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\R: 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) \??\A: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\B: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\G: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\L: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\U: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\W: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\H: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\K: 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) \??\Z: C:\Windows\SysWOW64\rundll32.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Windows\SysWOW64\rundll32.exe N/A
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

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 WriteProcessMemory

Description Indicator Process Target
PID 1596 wrote to memory of 1588 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1596 wrote to memory of 1588 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1596 wrote to memory of 1588 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\92ae0db2574f133269f27498b3745200_NeikiAnalytics.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\92ae0db2574f133269f27498b3745200_NeikiAnalytics.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1588 -ip 1588

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1588 -s 624

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=4080 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 11.179.89.13.in-addr.arpa udp

Files

N/A