vjw0rm | bb71355902607d2c6b880b49cbfce0c9fd98f03297e0836d3adbcbfba9ea5feb

Analysis

max time kernel
155s
max time network
157s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/11/2022, 07:50

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General

Target

Payment.js
Size

28KB
MD5

359404b0cab1f6527c6f200437696451
SHA1

9da5f4937f158978047db38d38eb9bc20196dc8d
SHA256

bb71355902607d2c6b880b49cbfce0c9fd98f03297e0836d3adbcbfba9ea5feb
SHA512

3bd9c816a8ab8515f7a02b9085c6b321fc6fd7d49d8d8b5e42d274b4db606cfa3f927ddb5741aa94edfb40fa2b4d042fa26e6e98d967920f22ab90ecef04d122
SSDEEP

768:73PRmOQmiKb7OjxQIjkhqxOjrptJ4fOhnFT:7OmiQkkhjrFzN

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

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

Blocklisted process makes network request 31 IoCs

flow	pid	Process
6	560	wscript.exe
7	740	wscript.exe
8	740	wscript.exe
10	740	wscript.exe
11	740	wscript.exe
13	740	wscript.exe
14	740	wscript.exe
16	560	wscript.exe
19	740	wscript.exe
20	740	wscript.exe
22	740	wscript.exe
23	740	wscript.exe
24	740	wscript.exe
26	560	wscript.exe
27	740	wscript.exe
30	740	wscript.exe
31	740	wscript.exe
33	740	wscript.exe
35	740	wscript.exe
36	560	wscript.exe
38	740	wscript.exe
39	740	wscript.exe
41	740	wscript.exe
43	740	wscript.exe
45	740	wscript.exe
46	740	wscript.exe
47	560	wscript.exe
49	740	wscript.exe
50	740	wscript.exe
52	740	wscript.exe
54	740	wscript.exe

Drops startup file 4 IoCs

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\2JZFR52JWJ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Payment.js\""	wscript.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 560	740	wscript.exe	27
PID 740 wrote to memory of 560	740	wscript.exe	27
PID 740 wrote to memory of 560	740	wscript.exe	27

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Payment.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:740
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\QoWJFExORY.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:560

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
9KB

MD5
b887f638862355636804bbe6e55e3a94

SHA1
35b8933be5d930d4cf360f2e8652d3d3bffe601c

SHA256
c0a37899c089539026ac8580aa286cb460f3d0e0ba8b4a6c411b88fe84893bdd

SHA512
b8c8f0d59b368c407993ab9b6c561f50bdb750e4e8c858415f387f94bac96915238b427b4847258808395ceb5af30848dba322511384bbe2c052b273ba141317

Download Submit
memory/740-54-0x000007FEFB9B1000-0x000007FEFB9B3000-memory.dmp

Filesize
8KB

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