Malware Analysis Report

2025-01-02 04:53

Sample ID 240423-gywlraea97
Target e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca
SHA256 e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca
Tags
smokeloader backdoor persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral8

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral9

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral7

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral10

Detonation Overview

Command Line

Signatures

Processes

Network

Files

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

e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca

Threat Level: Known bad

The file e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor persistence trojan

SmokeLoader

Adds policy Run key to start application

Loads dropped DLL

Executes dropped EXE

Unexpected DNS network traffic destination

Deletes itself

Maps connected drives based on registry

Suspicious use of SetThreadContext

Enumerates physical storage devices

Program crash

Unsigned PE

NSIS installer

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-23 06:13

Signatures

Unsigned PE

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

NSIS installer

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

Analysis: behavioral6

Detonation Overview

Submitted

2024-04-23 06:13

Reported

2024-04-23 06:16

Platform

win10v2004-20240412-en

Max time kernel

149s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

Signatures

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3088 wrote to memory of 1004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3088 wrote to memory of 1004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3088 wrote to memory of 1004 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\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1004 -ip 1004

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1004 -s 612

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.193:443 www.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 67.32.209.4.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 193.61.62.23.in-addr.arpa udp
NL 23.62.61.193:443 www.bing.com tcp
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 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 43.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 196.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
SE 192.229.221.95:80 tcp

Files

N/A

Analysis: behavioral8

Detonation Overview

Submitted

2024-04-23 06:13

Reported

2024-04-23 06:16

Platform

win10v2004-20240412-en

Max time kernel

141s

Max time network

142s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1

Signatures

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2800 wrote to memory of 3928 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2800 wrote to memory of 3928 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2800 wrote to memory of 3928 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\$PLUGINSDIR\nsDialogs.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3928 -ip 3928

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 636

Network

Country Destination Domain Proto
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
NL 23.62.61.193:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 67.32.209.4.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 193.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 200.121.18.2.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral9

Detonation Overview

Submitted

2024-04-23 06:13

Reported

2024-04-23 06:15

Platform

win7-20240221-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\uninstall.exe N/A

Enumerates physical storage devices

NSIS installer

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

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\uninstall.exe

"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"

C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\

Network

N/A

Files

\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

MD5 3dd164e1390999df68f79ddb0fb77818
SHA1 bd0fb9fff84ca0c89726d6669c32b46482911705
SHA256 c7358c274c33377a6aaeab76b13e5eec4f9af598875a59c07951b5ec0bf09e86
SHA512 3ffdcfa36bc7f4ef6b028be2942340e3c25e3cf9d5d82953479cc27303ad7ea522a950a10210afe0776a8f12cc459c49fa30607c914b137a38a216dbd50bd28b

Analysis: behavioral5

Detonation Overview

Submitted

2024-04-23 06:13

Reported

2024-04-23 06:13

Platform

win7-20240221-en

Max time kernel

15s

Max time network

17s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 224

Network

N/A

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-04-23 06:13

Reported

2024-04-23 06:13

Platform

win7-20231129-en

Max time kernel

6s

Max time network

2s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1108 -s 224

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-04-23 06:13

Reported

2024-04-23 06:15

Platform

win10v2004-20240412-en

Max time kernel

141s

Max time network

124s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1

Signatures

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4996 wrote to memory of 3324 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4996 wrote to memory of 3324 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4996 wrote to memory of 3324 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\$PLUGINSDIR\StartMenu.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3324 -ip 3324

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3324 -s 612

Network

Country Destination Domain Proto
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
NL 23.62.61.193:443 www.bing.com tcp
US 8.8.8.8:53 67.32.209.4.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 193.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 196.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral7

Detonation Overview

Submitted

2024-04-23 06:13

Reported

2024-04-23 06:13

Platform

win7-20240221-en

Max time kernel

20s

Max time network

18s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1

Signatures

Program crash

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

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2772 -s 248

Network

N/A

Files

N/A

Analysis: behavioral10

Detonation Overview

Submitted

2024-04-23 06:13

Reported

2024-04-23 06:16

Platform

win10v2004-20240412-en

Max time kernel

140s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe N/A

Enumerates physical storage devices

NSIS installer

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

Processes

C:\Users\Admin\AppData\Local\Temp\uninstall.exe

"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"

C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\

Network

Country Destination Domain Proto
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 206.221.208.4.in-addr.arpa udp
NL 23.62.61.193:443 www.bing.com tcp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 193.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 200.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

MD5 3dd164e1390999df68f79ddb0fb77818
SHA1 bd0fb9fff84ca0c89726d6669c32b46482911705
SHA256 c7358c274c33377a6aaeab76b13e5eec4f9af598875a59c07951b5ec0bf09e86
SHA512 3ffdcfa36bc7f4ef6b028be2942340e3c25e3cf9d5d82953479cc27303ad7ea522a950a10210afe0776a8f12cc459c49fa30607c914b137a38a216dbd50bd28b

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-23 06:13

Reported

2024-04-23 06:16

Platform

win7-20240221-en

Max time kernel

150s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Adds policy Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\cvujfwdg\\swtdwbhb.exe" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run C:\Windows\SysWOW64\explorer.exe N/A

Deletes itself

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

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 104.168.144.17 N/A N/A
Destination IP 185.121.177.177 N/A N/A
Destination IP 89.18.27.34 N/A N/A
Destination IP 178.63.145.230 N/A N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2740 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe
PID 2740 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe
PID 2740 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe
PID 2740 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe
PID 2740 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe
PID 2516 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe C:\Windows\SysWOW64\explorer.exe
PID 2516 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe C:\Windows\SysWOW64\explorer.exe
PID 2516 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe C:\Windows\SysWOW64\explorer.exe
PID 2516 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe C:\Windows\SysWOW64\explorer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe

"C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe"

C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe

"C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe"

C:\Windows\SysWOW64\explorer.exe

explorer.exe

Network

Country Destination Domain Proto
NL 23.62.61.72:80 www.bing.com tcp
US 8.8.8.8:53 java.com udp
NL 23.62.61.163:80 java.com tcp
US 8.8.8.8:53 www.videolan.org udp
FR 213.36.253.2:443 www.videolan.org tcp
US 8.8.8.8:53 www.videolan.org udp
FR 213.36.253.2:443 www.videolan.org tcp
FR 213.36.253.2:443 www.videolan.org tcp
US 8.8.8.8:53 www.microsoft.com udp
NL 72.246.173.187:443 www.microsoft.com tcp
NL 72.246.173.187:443 www.microsoft.com tcp
US 104.168.144.17:53 tcp
DE 178.63.145.230:53 tcp
RO 89.18.27.34:53 tcp
AT 185.121.177.177:53 tcp

Files

\Users\Admin\AppData\Local\Temp\nsd8D53.tmp\System.dll

MD5 55a26d7800446f1373056064c64c3ce8
SHA1 80256857e9a0a9c8897923b717f3435295a76002
SHA256 904fd5481d72f4e03b01a455f848dedd095d0fb17e33608e0d849f5196fb6ff8
SHA512 04b8ab7a85c26f188c0a06f524488d6f2ac2884bf107c860c82e94ae12c3859f825133d78338fd2b594dfc48f7dc9888ae76fee786c6252a5c77c88755128a5b

memory/2516-7-0x0000000000400000-0x0000000000404000-memory.dmp

memory/2516-8-0x00000000002B0000-0x00000000002BA000-memory.dmp

memory/2516-9-0x0000000000400000-0x0000000000404000-memory.dmp

memory/2516-10-0x00000000002B0000-0x00000000002BA000-memory.dmp

memory/2508-12-0x0000000000680000-0x0000000000901000-memory.dmp

memory/2508-13-0x0000000000680000-0x0000000000901000-memory.dmp

memory/2508-14-0x0000000000080000-0x000000000008A000-memory.dmp

memory/2508-17-0x0000000000080000-0x000000000008A000-memory.dmp

memory/2516-19-0x00000000002B0000-0x00000000002BA000-memory.dmp

memory/2508-28-0x0000000000080000-0x000000000008A000-memory.dmp

memory/2508-29-0x0000000000080000-0x000000000008A000-memory.dmp

memory/2508-31-0x0000000000080000-0x000000000008A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-23 06:13

Reported

2024-04-23 06:16

Platform

win10v2004-20240412-en

Max time kernel

150s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe

"C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe"

C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe

"C:\Users\Admin\AppData\Local\Temp\e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3280 -ip 3280

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3280 -s 908

Network

Country Destination Domain Proto
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
NL 23.62.61.170:443 www.bing.com tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 206.221.208.4.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 170.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 154.173.246.72.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 200.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 200.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 100.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 196.191.110.104.in-addr.arpa udp
BE 2.17.197.240:80 tcp

Files

C:\Users\Admin\AppData\Local\Temp\nsj3867.tmp\System.dll

MD5 55a26d7800446f1373056064c64c3ce8
SHA1 80256857e9a0a9c8897923b717f3435295a76002
SHA256 904fd5481d72f4e03b01a455f848dedd095d0fb17e33608e0d849f5196fb6ff8
SHA512 04b8ab7a85c26f188c0a06f524488d6f2ac2884bf107c860c82e94ae12c3859f825133d78338fd2b594dfc48f7dc9888ae76fee786c6252a5c77c88755128a5b