Malware Analysis Report

2024-11-30 15:43

Sample ID 230113-vfpmdaed9t
Target Proforma DA request.js
SHA256 d545270fe4ea4823d14c419ec38d3c1f861c6a24c096b3b0953960428c4ef395
Tags
vjw0rm collection 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

d545270fe4ea4823d14c419ec38d3c1f861c6a24c096b3b0953960428c4ef395

Threat Level: Known bad

The file Proforma DA request.js was found to be: Known bad.

Malicious Activity Summary

vjw0rm collection spyware stealer trojan worm

Vjw0rm

Blocklisted process makes network request

Executes dropped EXE

Drops startup file

Reads user/profile data of web browsers

Loads dropped DLL

Checks computer location settings

Legitimate hosting services abused for malware hosting/C2

Accesses Microsoft Outlook profiles

Program crash

Enumerates physical storage devices

outlook_win_path

Checks processor information in registry

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-01-13 16:56

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-13 16:56

Reported

2023-01-13 16:58

Platform

win7-20220901-en

Max time kernel

151s

Max time network

147s

Command Line

wscript.exe "C:\Users\Admin\AppData\Local\Temp\Proforma DA request.js"

Signatures

Vjw0rm

trojan worm vjw0rm

Executes dropped EXE

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

Drops startup file

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

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\Payload.exe

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A

Suspicious use of AdjustPrivilegeToken

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

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A

Processes

C:\Windows\system32\wscript.exe

wscript.exe "C:\Users\Admin\AppData\Local\Temp\Proforma DA request.js"

C:\Windows\System32\wscript.exe

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

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 1844

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 8.8.8.8:53 discord.com udp
N/A 162.159.128.233:443 discord.com tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 api.telegram.org udp
N/A 149.154.167.220:443 api.telegram.org 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
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp

Files

memory/1816-54-0x000007FEFC001000-0x000007FEFC003000-memory.dmp

memory/2024-55-0x0000000000000000-mapping.dmp

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

MD5 bc7e3f3b7e656d7210168ade916e46ed
SHA1 210515856852a1563147ce7e86504c6ceede5f27
SHA256 9cfe508ba1049698650251a3ae53bdc78770d77d1bbe6d30653eb5c4fa29acba
SHA512 bb8424b6b60d66db6e021fcc6ab132437addbb196bd1709e855ea184c5dcfdd5aa8c3008c3526dc6f8c475165f18b966766850e758fccdd40bfd04874c6e5c17

memory/1472-57-0x0000000000000000-mapping.dmp

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

MD5 2b7f757f0a02ced496481020f0b8f1eb
SHA1 21f11c5f725648d27af684ecff61c3ef7ecbcba3
SHA256 e9104e917f45761bacb425fc97f53175c3ad82ac1961fd68b749c574ec81b3e9
SHA512 1a13cd7f10099cfb679974fb8984ed9698bd5f2bef3beac3f06027e25ecb8147864c6b15768a204991e8e5d6eef75e3447dd816d9c00497b31f479b72197a9d7

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

MD5 2b7f757f0a02ced496481020f0b8f1eb
SHA1 21f11c5f725648d27af684ecff61c3ef7ecbcba3
SHA256 e9104e917f45761bacb425fc97f53175c3ad82ac1961fd68b749c574ec81b3e9
SHA512 1a13cd7f10099cfb679974fb8984ed9698bd5f2bef3beac3f06027e25ecb8147864c6b15768a204991e8e5d6eef75e3447dd816d9c00497b31f479b72197a9d7

memory/1472-60-0x0000000000300000-0x00000000003C4000-memory.dmp

memory/1472-62-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

memory/1472-63-0x00000000005B0000-0x00000000005BE000-memory.dmp

memory/1472-64-0x0000000007DA0000-0x0000000007E52000-memory.dmp

memory/964-65-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Local\Temp\Payload.exe

MD5 2b7f757f0a02ced496481020f0b8f1eb
SHA1 21f11c5f725648d27af684ecff61c3ef7ecbcba3
SHA256 e9104e917f45761bacb425fc97f53175c3ad82ac1961fd68b749c574ec81b3e9
SHA512 1a13cd7f10099cfb679974fb8984ed9698bd5f2bef3beac3f06027e25ecb8147864c6b15768a204991e8e5d6eef75e3447dd816d9c00497b31f479b72197a9d7

\Users\Admin\AppData\Local\Temp\Payload.exe

MD5 2b7f757f0a02ced496481020f0b8f1eb
SHA1 21f11c5f725648d27af684ecff61c3ef7ecbcba3
SHA256 e9104e917f45761bacb425fc97f53175c3ad82ac1961fd68b749c574ec81b3e9
SHA512 1a13cd7f10099cfb679974fb8984ed9698bd5f2bef3beac3f06027e25ecb8147864c6b15768a204991e8e5d6eef75e3447dd816d9c00497b31f479b72197a9d7

\Users\Admin\AppData\Local\Temp\Payload.exe

MD5 2b7f757f0a02ced496481020f0b8f1eb
SHA1 21f11c5f725648d27af684ecff61c3ef7ecbcba3
SHA256 e9104e917f45761bacb425fc97f53175c3ad82ac1961fd68b749c574ec81b3e9
SHA512 1a13cd7f10099cfb679974fb8984ed9698bd5f2bef3beac3f06027e25ecb8147864c6b15768a204991e8e5d6eef75e3447dd816d9c00497b31f479b72197a9d7

\Users\Admin\AppData\Local\Temp\Payload.exe

MD5 2b7f757f0a02ced496481020f0b8f1eb
SHA1 21f11c5f725648d27af684ecff61c3ef7ecbcba3
SHA256 e9104e917f45761bacb425fc97f53175c3ad82ac1961fd68b749c574ec81b3e9
SHA512 1a13cd7f10099cfb679974fb8984ed9698bd5f2bef3beac3f06027e25ecb8147864c6b15768a204991e8e5d6eef75e3447dd816d9c00497b31f479b72197a9d7

\Users\Admin\AppData\Local\Temp\Payload.exe

MD5 2b7f757f0a02ced496481020f0b8f1eb
SHA1 21f11c5f725648d27af684ecff61c3ef7ecbcba3
SHA256 e9104e917f45761bacb425fc97f53175c3ad82ac1961fd68b749c574ec81b3e9
SHA512 1a13cd7f10099cfb679974fb8984ed9698bd5f2bef3beac3f06027e25ecb8147864c6b15768a204991e8e5d6eef75e3447dd816d9c00497b31f479b72197a9d7

Analysis: behavioral2

Detonation Overview

Submitted

2023-01-13 16:56

Reported

2023-01-13 16:58

Platform

win10v2004-20221111-en

Max time kernel

144s

Max time network

152s

Command Line

wscript.exe "C:\Users\Admin\AppData\Local\Temp\Proforma DA request.js"

Signatures

Vjw0rm

trojan worm vjw0rm

Executes dropped EXE

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\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\HJuNhYQRCb.js C:\Windows\System32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HJuNhYQRCb.js C:\Windows\System32\wscript.exe N/A

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4936 wrote to memory of 2696 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 4936 wrote to memory of 2696 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 4936 wrote to memory of 3552 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\Payload.exe
PID 4936 wrote to memory of 3552 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\Payload.exe
PID 4936 wrote to memory of 3552 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\Payload.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A

Processes

C:\Windows\system32\wscript.exe

wscript.exe "C:\Users\Admin\AppData\Local\Temp\Proforma DA request.js"

C:\Windows\System32\wscript.exe

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

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

"C:\Users\Admin\AppData\Local\Temp\Payload.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 8.8.8.8:53 discord.com udp
N/A 162.159.128.233:443 discord.com tcp
N/A 8.8.8.8:53 api.telegram.org udp
N/A 149.154.167.220:443 api.telegram.org tcp
N/A 149.154.167.220:443 api.telegram.org tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 93.184.221.240:80 tcp
N/A 104.80.225.205:443 tcp
N/A 51.11.192.48:443 tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 93.184.221.240:80 tcp
N/A 93.184.221.240:80 tcp
N/A 93.184.221.240:80 tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 15.89.54.20.in-addr.arpa udp
N/A 8.8.8.8:53 7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.2.0.0.0.0.2.0.1.3.0.6.2.ip6.arpa 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 194.5.98.97:5443 javaautorun.duia.ro tcp
N/A 194.5.98.97:5443 javaautorun.duia.ro tcp

Files

memory/2696-132-0x0000000000000000-mapping.dmp

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

MD5 bc7e3f3b7e656d7210168ade916e46ed
SHA1 210515856852a1563147ce7e86504c6ceede5f27
SHA256 9cfe508ba1049698650251a3ae53bdc78770d77d1bbe6d30653eb5c4fa29acba
SHA512 bb8424b6b60d66db6e021fcc6ab132437addbb196bd1709e855ea184c5dcfdd5aa8c3008c3526dc6f8c475165f18b966766850e758fccdd40bfd04874c6e5c17

memory/3552-134-0x0000000000000000-mapping.dmp

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

MD5 2b7f757f0a02ced496481020f0b8f1eb
SHA1 21f11c5f725648d27af684ecff61c3ef7ecbcba3
SHA256 e9104e917f45761bacb425fc97f53175c3ad82ac1961fd68b749c574ec81b3e9
SHA512 1a13cd7f10099cfb679974fb8984ed9698bd5f2bef3beac3f06027e25ecb8147864c6b15768a204991e8e5d6eef75e3447dd816d9c00497b31f479b72197a9d7

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

MD5 2b7f757f0a02ced496481020f0b8f1eb
SHA1 21f11c5f725648d27af684ecff61c3ef7ecbcba3
SHA256 e9104e917f45761bacb425fc97f53175c3ad82ac1961fd68b749c574ec81b3e9
SHA512 1a13cd7f10099cfb679974fb8984ed9698bd5f2bef3beac3f06027e25ecb8147864c6b15768a204991e8e5d6eef75e3447dd816d9c00497b31f479b72197a9d7

memory/3552-137-0x0000000000640000-0x0000000000704000-memory.dmp

memory/3552-138-0x0000000007540000-0x00000000075A6000-memory.dmp

memory/3552-139-0x0000000008940000-0x0000000008962000-memory.dmp

memory/3552-140-0x0000000002840000-0x000000000284A000-memory.dmp

memory/3552-141-0x0000000002870000-0x0000000002882000-memory.dmp