Malware Analysis Report

2024-11-30 15:43

Sample ID 230116-xl9wlsbf72
Target 109a25a65dcb12435377b0f9f4159f4c.bin
SHA256 0208f108430bf44b151d4e8b847077357db16bca486a70aa53c99ccc23130952
Tags
agenttesla vjw0rm collection keylogger persistence spyware stealer trojan worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

0208f108430bf44b151d4e8b847077357db16bca486a70aa53c99ccc23130952

Threat Level: Known bad

The file 109a25a65dcb12435377b0f9f4159f4c.bin was found to be: Known bad.

Malicious Activity Summary

agenttesla vjw0rm collection keylogger persistence spyware stealer trojan worm

Vjw0rm

AgentTesla

Blocklisted process makes network request

Executes dropped EXE

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Checks computer location settings

Drops startup file

Reads data files stored by FTP clients

Adds Run key to start application

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Enumerates physical storage devices

outlook_office_path

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

outlook_win_path

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-01-16 18:57

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-16 18:57

Reported

2023-01-16 19:00

Platform

win7-20221111-en

Max time kernel

144s

Max time network

153s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\1deb0b650909a1e7895b5b8f315428ac66353161513e5de9261c7477c7bdc386.js

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Vjw0rm

trojan worm vjw0rm

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vxvVKrKGEA.js C:\Windows\System32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vxvVKrKGEA.js C:\Windows\System32\wscript.exe N/A

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\audio_dg = "C:\\Users\\Admin\\AppData\\Roaming\\audio_dg\\audio_dg.exe" C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\1deb0b650909a1e7895b5b8f315428ac66353161513e5de9261c7477c7bdc386.js

C:\Windows\System32\wscript.exe

"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\vxvVKrKGEA.js"

C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe

"C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 javaautorun.duia.ro udp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 api.ipify.org udp
N/A 64.185.227.155:443 api.ipify.org tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 server240.web-hosting.com udp
N/A 199.188.200.15:587 server240.web-hosting.com tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp

Files

memory/1336-54-0x000007FEFC091000-0x000007FEFC093000-memory.dmp

memory/520-55-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\vxvVKrKGEA.js

MD5 3014bf13c6cb1ca0518562a0a68655a0
SHA1 23e817c073384a89933a01ac61b64f6d10d9fcc3
SHA256 a93fc20448edf04a1a6bd2f016767370aaf970de1db999f44908bcedb76af474
SHA512 c12f9359ba564f0a0fefb44211403c055e82aa35e92f91208adc0ad19516f161d8cc5a34d709525a25f785f7889aadd8445cd95a63e9b1a56d6c6c9892095b4d

memory/1508-57-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe

MD5 d38c08505b96562261c3920265bb4f97
SHA1 7b7bb2838e3e04d412fdde726b351ac0a6eaba80
SHA256 83a0e9ffbf7ec5895ec2062597c34e6e88cc48a608896e2722b78677e2e04ea9
SHA512 9eac7bb3dac64db0aa5c90d6609545fb1b2c07b7721c01046db11742e4097e9c6b842dadd9e97627e6f9df73abe98494e2616467a339051fc9cf8fc00df0b4d8

C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe

MD5 d38c08505b96562261c3920265bb4f97
SHA1 7b7bb2838e3e04d412fdde726b351ac0a6eaba80
SHA256 83a0e9ffbf7ec5895ec2062597c34e6e88cc48a608896e2722b78677e2e04ea9
SHA512 9eac7bb3dac64db0aa5c90d6609545fb1b2c07b7721c01046db11742e4097e9c6b842dadd9e97627e6f9df73abe98494e2616467a339051fc9cf8fc00df0b4d8

memory/1508-61-0x00000000000F0000-0x000000000012C000-memory.dmp

memory/1508-62-0x0000000075931000-0x0000000075933000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-01-16 18:57

Reported

2023-01-16 19:00

Platform

win10v2004-20220812-en

Max time kernel

153s

Max time network

160s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\1deb0b650909a1e7895b5b8f315428ac66353161513e5de9261c7477c7bdc386.js

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Vjw0rm

trojan worm vjw0rm

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation C:\Windows\system32\wscript.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vxvVKrKGEA.js C:\Windows\System32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vxvVKrKGEA.js C:\Windows\System32\wscript.exe N/A

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\audio_dg = "C:\\Users\\Admin\\AppData\\Roaming\\audio_dg\\audio_dg.exe" C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe N/A

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\1deb0b650909a1e7895b5b8f315428ac66353161513e5de9261c7477c7bdc386.js

C:\Windows\System32\wscript.exe

"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\vxvVKrKGEA.js"

C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe

"C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 javaautorun.duia.ro udp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 52.168.117.170:443 tcp
N/A 93.184.220.29:80 tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 api.ipify.org udp
N/A 64.185.227.155:443 api.ipify.org tcp
N/A 178.79.208.1:80 tcp
N/A 178.79.208.1:80 tcp
N/A 178.79.208.1:80 tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 server240.web-hosting.com udp
N/A 199.188.200.15:587 server240.web-hosting.com tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp

Files

memory/4264-132-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\vxvVKrKGEA.js

MD5 3014bf13c6cb1ca0518562a0a68655a0
SHA1 23e817c073384a89933a01ac61b64f6d10d9fcc3
SHA256 a93fc20448edf04a1a6bd2f016767370aaf970de1db999f44908bcedb76af474
SHA512 c12f9359ba564f0a0fefb44211403c055e82aa35e92f91208adc0ad19516f161d8cc5a34d709525a25f785f7889aadd8445cd95a63e9b1a56d6c6c9892095b4d

memory/4432-134-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe

MD5 d38c08505b96562261c3920265bb4f97
SHA1 7b7bb2838e3e04d412fdde726b351ac0a6eaba80
SHA256 83a0e9ffbf7ec5895ec2062597c34e6e88cc48a608896e2722b78677e2e04ea9
SHA512 9eac7bb3dac64db0aa5c90d6609545fb1b2c07b7721c01046db11742e4097e9c6b842dadd9e97627e6f9df73abe98494e2616467a339051fc9cf8fc00df0b4d8

C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe

MD5 d38c08505b96562261c3920265bb4f97
SHA1 7b7bb2838e3e04d412fdde726b351ac0a6eaba80
SHA256 83a0e9ffbf7ec5895ec2062597c34e6e88cc48a608896e2722b78677e2e04ea9
SHA512 9eac7bb3dac64db0aa5c90d6609545fb1b2c07b7721c01046db11742e4097e9c6b842dadd9e97627e6f9df73abe98494e2616467a339051fc9cf8fc00df0b4d8

memory/4432-137-0x00000000002B0000-0x00000000002EC000-memory.dmp

memory/4432-138-0x00000000051C0000-0x0000000005764000-memory.dmp

memory/4432-139-0x0000000004D20000-0x0000000004DBC000-memory.dmp

memory/4432-140-0x0000000005970000-0x00000000059D6000-memory.dmp

memory/4432-141-0x0000000006580000-0x00000000065D0000-memory.dmp

memory/4432-142-0x0000000006770000-0x0000000006802000-memory.dmp

memory/4432-143-0x0000000006A90000-0x0000000006A9A000-memory.dmp