vjw0rm | 85e2252b565492389e6dc161551a3c82b9fcc6b3873ca2f7f4a2e99d87ca6c9f

General

Target

Request for PO_2023.js
Size

1.3MB
MD5

70653ab99274c82b0a279a3385f62d04
SHA1

fc35767cfddafe185ec263c1eaf2d5acc65714a8
SHA256

85e2252b565492389e6dc161551a3c82b9fcc6b3873ca2f7f4a2e99d87ca6c9f
SHA512

5686564725d64a1883e62d50399d8b650e3deb45e7b569b0def53573bc9dd21c2fc276c1e5422c4b26ba66b0cdccb032ebe770b6f974bea45679ea4adc88042b
SSDEEP

24576:ju9bPTr3v4HG3dvjcYxRVBw+H8AirMFTYs0RU:iFTrw4LcfpMCRK

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 16 IoCs

Processes:

wscript.exe

flow	pid	process
8	2428	wscript.exe
26	2428	wscript.exe
28	2428	wscript.exe
38	2428	wscript.exe
39	2428	wscript.exe
42	2428	wscript.exe
44	2428	wscript.exe
45	2428	wscript.exe
46	2428	wscript.exe
48	2428	wscript.exe
49	2428	wscript.exe
50	2428	wscript.exe
51	2428	wscript.exe
52	2428	wscript.exe
53	2428	wscript.exe
54	2428	wscript.exe

Executes dropped EXE 1 IoCs

Processes:

Payload p.exe

pid process

1816 Payload p.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation wscript.exe

pid	process
1816	Payload p.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 2 IoCs

Processes:

wscript.exe

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

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payload p.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payload p.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payload p.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

14 ipinfo.io
15 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
14	ipinfo.io
15	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 p.exe

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Payload p.exe

description pid process

Token: SeDebugPrivilege 1816 Payload p.exe

description	pid	process
Token: SeDebugPrivilege	1816	Payload p.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 2124 wrote to memory of 2428	2124	wscript.exe	wscript.exe
PID 2124 wrote to memory of 2428	2124	wscript.exe	wscript.exe
PID 2124 wrote to memory of 1816	2124	wscript.exe	Payload p.exe
PID 2124 wrote to memory of 1816	2124	wscript.exe	Payload p.exe
PID 2124 wrote to memory of 1816	2124	wscript.exe	Payload p.exe

outlook_office_path 1 IoCs

Processes:

Payload p.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payload p.exe

outlook_win_path 1 IoCs

Processes:

Payload p.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payload p.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Request for PO_2023.js"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2124

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\wHxgzZKiRX.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
PID:2428

C:\Users\Admin\AppData\Local\Temp\Payload p.exe
"C:\Users\Admin\AppData\Local\Temp\Payload p.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:1816

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 p.exe
Filesize
755KB

MD5
24ed8d2e4ab971b4145ee8af48ba91e6

SHA1
1be10a9e71d9fccf3234c16ef5e2f5a04e9ed105

SHA256
c19f573b3628986c4c4437c97596de9d15bfce93a34cb0d813fe935c1118b230

SHA512
0f2e096b57b32fb1c24777c550d54529dcccfc2485897b44f10c98f7c77692a2753950b36b78279058be8d1e5b65ad753209a247d4988c58ede9c27b1a1090da

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

MD5
24ed8d2e4ab971b4145ee8af48ba91e6

SHA1
1be10a9e71d9fccf3234c16ef5e2f5a04e9ed105

SHA256
c19f573b3628986c4c4437c97596de9d15bfce93a34cb0d813fe935c1118b230

SHA512
0f2e096b57b32fb1c24777c550d54529dcccfc2485897b44f10c98f7c77692a2753950b36b78279058be8d1e5b65ad753209a247d4988c58ede9c27b1a1090da

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

MD5
7b4a3c37cef8e86bbe9662efbd48356f

SHA1
f31035920f5ce28b46c857b580127a0e04641b6b

SHA256
eeab7b35432f06c27731ea671544b738ca2327afb57477fc20e8a29370f2a3b4

SHA512
cc8ee4153e691b1e62945bb9cb6c1f59fe02f4ec98b74eab2a6c5ce99a2cb6cbb610602a8683d76056b95aec29fd208819ad96b54fec9977fdcdf6a5a7605faa

Download Submit
memory/1816-134-0x0000000000000000-mapping.dmp

Download
memory/1816-137-0x0000000000770000-0x0000000000834000-memory.dmp

Filesize
784KB

Download
memory/1816-138-0x00000000051E0000-0x0000000005246000-memory.dmp

Filesize
408KB

Download
memory/1816-139-0x0000000008BC0000-0x0000000008BE2000-memory.dmp

Filesize
136KB

Download
memory/1816-140-0x0000000009070000-0x000000000907A000-memory.dmp

Filesize
40KB

Download
memory/1816-141-0x00000000090A0000-0x00000000090B2000-memory.dmp

Filesize
72KB

Download
memory/2428-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads