Malware Analysis Report

2024-11-30 15:45

Sample ID 230123-k7hb9sec9s
Target 6ed6de4f3937d74a4a890fd63a731913.bin
SHA256 a084e2e6518b0326f38a0dfd087dc9ca17c2ef953e4cb05f1ccc3b35acc8ab01
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

a084e2e6518b0326f38a0dfd087dc9ca17c2ef953e4cb05f1ccc3b35acc8ab01

Threat Level: Known bad

The file 6ed6de4f3937d74a4a890fd63a731913.bin was found to be: Known bad.

Malicious Activity Summary

vjw0rm collection spyware stealer trojan worm

Vjw0rm

Blocklisted process makes network request

Executes dropped EXE

Reads user/profile data of web browsers

Drops startup file

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

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

Checks processor information in registry

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-01-23 09:14

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-23 09:14

Reported

2023-01-23 09:16

Platform

win7-20220812-en

Max time kernel

145s

Max time network

149s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\d545270fe4ea4823d14c419ec38d3c1f861c6a24c096b3b0953960428c4ef395.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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-1-5-21-3845472200-3839195424-595303356-1000\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-1-5-21-3845472200-3839195424-595303356-1000\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\d545270fe4ea4823d14c419ec38d3c1f861c6a24c096b3b0953960428c4ef395.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 1612 -s 1828

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 javaautorun.duia.ro udp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 discord.com udp
N/A 162.159.136.232:443 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 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp

Files

memory/2040-54-0x000007FEFBB81000-0x000007FEFBB83000-memory.dmp

memory/1580-55-0x0000000000000000-mapping.dmp

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

MD5 bc7e3f3b7e656d7210168ade916e46ed
SHA1 210515856852a1563147ce7e86504c6ceede5f27
SHA256 9cfe508ba1049698650251a3ae53bdc78770d77d1bbe6d30653eb5c4fa29acba
SHA512 bb8424b6b60d66db6e021fcc6ab132437addbb196bd1709e855ea184c5dcfdd5aa8c3008c3526dc6f8c475165f18b966766850e758fccdd40bfd04874c6e5c17

memory/1612-57-0x0000000000000000-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/1612-61-0x0000000000100000-0x00000000001C4000-memory.dmp

memory/1612-62-0x0000000076041000-0x0000000076043000-memory.dmp

memory/1612-63-0x0000000001EF0000-0x0000000001EFE000-memory.dmp

memory/1612-64-0x0000000008530000-0x00000000085E2000-memory.dmp

memory/1720-65-0x0000000000000000-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

2023-01-23 09:14

Reported

2023-01-23 09:16

Platform

win10v2004-20220812-en

Max time kernel

142s

Max time network

147s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\d545270fe4ea4823d14c419ec38d3c1f861c6a24c096b3b0953960428c4ef395.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-1-5-21-2629973501-4017243118-3254762364-1000\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-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Payload.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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 4988 wrote to memory of 2636 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 4988 wrote to memory of 2636 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 4988 wrote to memory of 5028 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\Payload.exe
PID 4988 wrote to memory of 5028 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\Payload.exe
PID 4988 wrote to memory of 5028 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-1-5-21-2629973501-4017243118-3254762364-1000\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-1-5-21-2629973501-4017243118-3254762364-1000\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\d545270fe4ea4823d14c419ec38d3c1f861c6a24c096b3b0953960428c4ef395.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 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 discord.com udp
N/A 162.159.135.232:443 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 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 93.184.221.240:80 tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp
N/A 91.193.75.231:5443 javaautorun.duia.ro tcp

Files

memory/2636-132-0x0000000000000000-mapping.dmp

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

MD5 bc7e3f3b7e656d7210168ade916e46ed
SHA1 210515856852a1563147ce7e86504c6ceede5f27
SHA256 9cfe508ba1049698650251a3ae53bdc78770d77d1bbe6d30653eb5c4fa29acba
SHA512 bb8424b6b60d66db6e021fcc6ab132437addbb196bd1709e855ea184c5dcfdd5aa8c3008c3526dc6f8c475165f18b966766850e758fccdd40bfd04874c6e5c17

memory/5028-134-0x0000000000000000-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/5028-137-0x0000000000D80000-0x0000000000E44000-memory.dmp

memory/5028-138-0x0000000007C80000-0x0000000007CE6000-memory.dmp

memory/5028-139-0x00000000091C0000-0x00000000091E2000-memory.dmp

memory/5028-140-0x0000000003110000-0x000000000311A000-memory.dmp

memory/5028-141-0x0000000003140000-0x0000000003152000-memory.dmp