vjw0rm | 26c461c102538e0758dbc3f003850cf7c30760ff2d180dab4759f34e2cd951a1

General

Target

d534da11-be41-4c1b-ab00-ddcf7bc442d0.js
Size

1.4MB
MD5

29bd036b564280a0e9b876ece0c39e95
SHA1

010441ddb171de2e865a185f45d9973f62c01294
SHA256

26c461c102538e0758dbc3f003850cf7c30760ff2d180dab4759f34e2cd951a1
SHA512

96c7624210db1403cded45418c671ab368f6c2aa90837551a9fd9f6de4110d319482c56f715e438d16f3e1ef305d71819363bd8ce9e2c034f7b032ab4c222c1d
SSDEEP

24576:VFDNjSzh3ZleO8du2Ih8XNn1ixHoZIK9zF2zbYeXGA93Uz:LDNjSN3b7b2Ih891ZT9JNAu

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 14 IoCs

flow	pid	Process
26	1628	wscript.exe
35	1628	wscript.exe
45	1628	wscript.exe
46	1628	wscript.exe
49	1628	wscript.exe
52	1628	wscript.exe
53	1628	wscript.exe
54	1628	wscript.exe
55	1628	wscript.exe
56	1628	wscript.exe
57	1628	wscript.exe
58	1628	wscript.exe
59	1628	wscript.exe
60	1628	wscript.exe

Executes dropped EXE 1 IoCs

pid	Process
4808	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 2 IoCs

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payload (3).exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payload (3).exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\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.

flow	ioc
27	ipinfo.io
28	ipinfo.io

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

System Information Discovery
T1082

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

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

description	pid	Process
Token: SeDebugPrivilege	4808	Payload (3).exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 1628	1612	wscript.exe	88
PID 1612 wrote to memory of 1628	1612	wscript.exe	88
PID 1612 wrote to memory of 4808	1612	wscript.exe	89
PID 1612 wrote to memory of 4808	1612	wscript.exe	89
PID 1612 wrote to memory of 4808	1612	wscript.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payload (3).exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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\d534da11-be41-4c1b-ab00-ddcf7bc442d0.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\PEDrooilsg.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:1628
- 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:4808

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

1

T1102

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Web Service

1

T1102

Exfiltration

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\PEDrooilsg.js

Filesize
18KB

MD5
2ae3f4bf78428996391b735422d69932

SHA1
c7cabe2cb2488d4dec8c31ec5d3694244f559149

SHA256
c2f18d683b7e47c1758130920b336bdd440c3e879a2175b241b4b5d58e79604d

SHA512
9f95c35cca567fb73fe4164402e5662fbe8839934491cc7e447338235ee4584f0c94ecb4dd1477cf2fe9f931b1a6ce0223f610cae54aab0d3aa789674bb880d8

Download Submit
memory/4808-137-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/4808-138-0x0000000006F30000-0x0000000006F96000-memory.dmp

Filesize
408KB

Download
memory/4808-139-0x00000000082F0000-0x0000000008312000-memory.dmp

Filesize
136KB

Download
memory/4808-140-0x00000000082C0000-0x00000000082CA000-memory.dmp

Filesize
40KB

Download
memory/4808-141-0x0000000008730000-0x0000000008742000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads