vjw0rm | cd5411864870384adeb4c0d0b4d81c700e75fbf53daeb1e57a4c6d38d9a5ca71

General

Target

AWB-14062022.js
Size

47KB
MD5

db27256d436350714fb51710dc897335
SHA1

ce68eda62d41b82fe24b0a2afa75204c401f33d4
SHA256

d5dde5256817dcaa65fa26a9a34283989c61aa3b675f3e9e3f87ad48045a47ff
SHA512

88ffd93ccd02a1505e7bf792500d48ea6f6784921edb7006fc85f90af3c6903088d210af1c4fb6c1f2c8f112dc1f5cc578ef17e0585588a196738de33fe288bf

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 18 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
14	4628	wscript.exe
16	4592	wscript.exe
17	4592	wscript.exe
18	4628	wscript.exe
29	4628	wscript.exe
30	4592	wscript.exe
34	4628	wscript.exe
35	4592	wscript.exe
46	4628	wscript.exe
47	4592	wscript.exe
50	4592	wscript.exe
54	4592	wscript.exe
58	4592	wscript.exe
59	4628	wscript.exe
60	4592	wscript.exe
65	4628	wscript.exe
66	4628	wscript.exe
67	4592	wscript.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-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation wscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 4 IoCs

Processes:

wscript.exewscript.exe

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

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exewscript.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Roaming\\IbabFGXugh.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coco = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\coco.vbs\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coco = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\coco.vbs\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows\CurrentVersion\Run	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 4 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 4064 wrote to memory of 4592	4064	wscript.exe	wscript.exe
PID 4064 wrote to memory of 4592	4064	wscript.exe	wscript.exe
PID 4064 wrote to memory of 4628	4064	wscript.exe	wscript.exe
PID 4064 wrote to memory of 4628	4064	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\AWB-14062022.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4064

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\IbabFGXugh.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:4592

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\coco.vbs"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:4628

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\coco.vbs
Filesize
13KB

MD5
c654a6599cf8a2a114c82cf39890527e

SHA1
0fdd2f5ac577d5491cdad11e9ab9682eb29f2e3b

SHA256
cc7f0bb9d21b137fd799468d7e6823881134b5c18a2d48a24a69c5af3286bdcc

SHA512
dc954af78c3e4daaa53ee81cbab5b6831e95b6fa80e7fff56febf884389da5feb473207b0121a81d704755039ed3b8d3870f07620e5fc58161df1c82210bf357

Download Submit
C:\Users\Admin\AppData\Roaming\IbabFGXugh.js
Filesize
9KB

MD5
a7ef36ca4a8acfd3cb53d47a03d038b6

SHA1
c927276040e11629198ad9417382c38472726cf2

SHA256
82495325de3618c6ccb18a342e852ea876e5e9deba2d8d0739807f7c2f882112

SHA512
1594a78af5df8ba4ece0e540859095f1a005a7d419b32c37ddb95a5d1b946dccfb6e00f76eee9dccf88bd7f7c86436cb2b619c579d14655e847679535fd7f027

Download Submit
memory/4592-130-0x0000000000000000-mapping.dmp

Download
memory/4628-131-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads