vjw0rm | 610726331bd48601f6762f3931e423635a85a9488ea214b76c95db2a1a3b339b

General

Target

Inquiry.js
Size

1.3MB
MD5

443caa6bef67a2be0e4bcec86619683e
SHA1

24801da9b7ee6f3bea3a877b4f2e1e5592d27a7c
SHA256

772fd8b1137becb5b3697fb1e10ba79f31367c7402d06235f96fc214d0338327
SHA512

eccc636da9661159c0e500e4eaa3cda94f1ceb220c766459e97ca759c289a0e70522f4cd12d60a4aa6d1ac98a2ef8594c0aff49976087397711cf3b1edbfe6d6
SSDEEP

24576:dwgFD4BiYRWfbd/RgU+FnkCt3fANRbonYMk37CMYY3lPg:dwgFD2ic6hRgU+1RuPoeYYK

Score

10^/10

vjw0rm collection spyware stealer trojan worm

Malware Config

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm

Blocklisted process makes network request 57 IoCs

Processes:

wscript.exe

flow	pid	process
5	1824	wscript.exe
27	1824	wscript.exe
42	1824	wscript.exe
94	1824	wscript.exe
96	1824	wscript.exe
102	1824	wscript.exe
105	1824	wscript.exe
106	1824	wscript.exe
109	1824	wscript.exe
110	1824	wscript.exe
111	1824	wscript.exe
112	1824	wscript.exe
113	1824	wscript.exe
114	1824	wscript.exe
115	1824	wscript.exe
116	1824	wscript.exe
117	1824	wscript.exe
118	1824	wscript.exe
119	1824	wscript.exe
120	1824	wscript.exe
121	1824	wscript.exe
122	1824	wscript.exe
123	1824	wscript.exe
124	1824	wscript.exe
125	1824	wscript.exe
126	1824	wscript.exe
127	1824	wscript.exe
128	1824	wscript.exe
129	1824	wscript.exe
130	1824	wscript.exe
134	1824	wscript.exe
135	1824	wscript.exe
136	1824	wscript.exe
137	1824	wscript.exe
138	1824	wscript.exe
139	1824	wscript.exe
140	1824	wscript.exe
141	1824	wscript.exe
142	1824	wscript.exe
143	1824	wscript.exe
144	1824	wscript.exe
145	1824	wscript.exe
146	1824	wscript.exe
147	1824	wscript.exe
148	1824	wscript.exe
149	1824	wscript.exe
150	1824	wscript.exe
151	1824	wscript.exe
152	1824	wscript.exe
153	1824	wscript.exe
154	1824	wscript.exe
155	1824	wscript.exe
156	1824	wscript.exe
157	1824	wscript.exe
158	1824	wscript.exe
159	1824	wscript.exe
160	1824	wscript.exe

Executes dropped EXE 1 IoCs

Processes:

Payload (3).exe

pid process

4968 Payload (3).exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

wscript.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation wscript.exe

pid	process
4968	Payload (3).exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 2 IoCs

Processes:

wscript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ygXhKsdexe.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ygXhKsdexe.js	wscript.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Payload (3).exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payload (3).exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payload (3).exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payload (3).exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

11 ipinfo.io
12 ipinfo.io
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	ioc
11	ipinfo.io
12	ipinfo.io

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Payload (3).exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	Payload (3).exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Payload (3).exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Payload (3).exe

description pid process

Token: SeDebugPrivilege 4968 Payload (3).exe

description	pid	process
Token: SeDebugPrivilege	4968	Payload (3).exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 3228 wrote to memory of 1824	3228	wscript.exe	wscript.exe
PID 3228 wrote to memory of 1824	3228	wscript.exe	wscript.exe
PID 3228 wrote to memory of 4968	3228	wscript.exe	Payload (3).exe
PID 3228 wrote to memory of 4968	3228	wscript.exe	Payload (3).exe
PID 3228 wrote to memory of 4968	3228	wscript.exe	Payload (3).exe

outlook_office_path 1 IoCs

Processes:

Payload (3).exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payload (3).exe

outlook_win_path 1 IoCs

Processes:

Payload (3).exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payload (3).exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Inquiry.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3228

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\ygXhKsdexe.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
PID:1824

C:\Users\Admin\AppData\Local\Temp\Payload (3).exe
"C:\Users\Admin\AppData\Local\Temp\Payload (3).exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4968

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Web Service

1

T1102

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Payload (3).exe
Filesize
755KB

MD5
3e8af9fffb1b980b193508f6a8a8cdc3

SHA1
e91e6f525952ae5a812d3cd3a795c6aeca94e527

SHA256
ba055f5ffcf5c345e37307673717f11319326e5c4b621f336b76c4826b09f7cc

SHA512
072bac20632cc30aa99715e4d5f508eab6a5b143704a0cdbbf0f5f22f86f4c02204efb1eb4acf8eeca97622c074bed2aa333119e842040e34ab55bff219a1f11

Download Submit
C:\Users\Admin\AppData\Local\Temp\Payload (3).exe
Filesize
755KB

MD5
3e8af9fffb1b980b193508f6a8a8cdc3

SHA1
e91e6f525952ae5a812d3cd3a795c6aeca94e527

SHA256
ba055f5ffcf5c345e37307673717f11319326e5c4b621f336b76c4826b09f7cc

SHA512
072bac20632cc30aa99715e4d5f508eab6a5b143704a0cdbbf0f5f22f86f4c02204efb1eb4acf8eeca97622c074bed2aa333119e842040e34ab55bff219a1f11

Download Submit
C:\Users\Admin\AppData\Roaming\ygXhKsdexe.js
Filesize
6KB

MD5
f5900623d262e28b5b5169d4307406df

SHA1
1eba3a193e440e9373133f69cff2f9cff6373189

SHA256
9530c305096a7bc5443c50079a77e7aee12d6dea1770f279ccf8f6e5f149f334

SHA512
d0ed8912d5ff927bfa0f05616f4712dbf6a60349839d4722691c02eb7cb0ebf2d1f1cbbe8becd1a77b5c71821b623323811d9255d1f8b9060cb928f31a996f97

Download Submit
memory/1824-132-0x0000000000000000-mapping.dmp

Download
memory/4968-134-0x0000000000000000-mapping.dmp

Download
memory/4968-137-0x0000000000D40000-0x0000000000E04000-memory.dmp

Filesize
784KB

Download
memory/4968-138-0x0000000007C90000-0x0000000007CF6000-memory.dmp

Filesize
408KB

Download
memory/4968-139-0x0000000009190000-0x00000000091B2000-memory.dmp

Filesize
136KB

Download
memory/4968-140-0x0000000009160000-0x000000000916A000-memory.dmp

Filesize
40KB

Download
memory/4968-141-0x00000000095D0000-0x00000000095E2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads