vjw0rm | bdab468e09e09e94af0df6fc3978789712d8b8188276660b7281d39aa27f7a2c

General

Target

3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23.js
Size

4.6MB
MD5

e8150ba03200183abce718f6b028b2c3
SHA1

606491a54f6dc244fc533317a0f936b818de9a4c
SHA256

3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23
SHA512

4aa7fd5b696933155143f66a54785c48ff368bb6fbf7f5afcc24ababd2436c31b0d847f32b3d66888867f179a34dd9284a9c9a8f54f3f96ea23601804bafacb5
SSDEEP

24576:p5K1gGMDzG6PbjQ46Te9iEQokfhrC/SwzkfHGi9xM7LHyG9XqUrQdAtzkTGCJTrK:G3Fmv

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
8	4324	wscript.exe
17	3468	wscript.exe
18	540	wscript.exe
25	4324	wscript.exe
26	540	wscript.exe
39	4324	wscript.exe
40	3468	wscript.exe
42	540	wscript.exe
43	4324	wscript.exe
44	540	wscript.exe
63	4324	wscript.exe
64	540	wscript.exe
65	3468	wscript.exe
66	4324	wscript.exe
67	540	wscript.exe
68	4324	wscript.exe
69	540	wscript.exe
70	3468	wscript.exe
71	4324	wscript.exe
72	4324	wscript.exe
73	540	wscript.exe
74	4324	wscript.exe
75	540	wscript.exe
76	3468	wscript.exe
77	4324	wscript.exe
78	4324	wscript.exe
79	540	wscript.exe
80	4324	wscript.exe
81	3468	wscript.exe
82	540	wscript.exe
83	4324	wscript.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 5 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VQlpXNzQJz.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VQlpXNzQJz.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VQlpXNzQJz.js	wscript.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23.js\""	wscript.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4388 wrote to memory of 4324	4388	wscript.exe	84
PID 4388 wrote to memory of 4324	4388	wscript.exe	84
PID 4388 wrote to memory of 3468	4388	wscript.exe	85
PID 4388 wrote to memory of 3468	4388	wscript.exe	85
PID 3468 wrote to memory of 540	3468	wscript.exe	86
PID 3468 wrote to memory of 540	3468	wscript.exe	86

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23.js
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4388
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\VQlpXNzQJz.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:4324
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23.js"
  2⤵
  - Blocklisted process makes network request
  - Checks computer location settings
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3468
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\VQlpXNzQJz.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    PID:540

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23.js

Filesize
4.6MB

MD5
e8150ba03200183abce718f6b028b2c3

SHA1
606491a54f6dc244fc533317a0f936b818de9a4c

SHA256
3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23

SHA512
4aa7fd5b696933155143f66a54785c48ff368bb6fbf7f5afcc24ababd2436c31b0d847f32b3d66888867f179a34dd9284a9c9a8f54f3f96ea23601804bafacb5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23.js

Filesize
4.6MB

MD5
e8150ba03200183abce718f6b028b2c3

SHA1
606491a54f6dc244fc533317a0f936b818de9a4c

SHA256
3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23

SHA512
4aa7fd5b696933155143f66a54785c48ff368bb6fbf7f5afcc24ababd2436c31b0d847f32b3d66888867f179a34dd9284a9c9a8f54f3f96ea23601804bafacb5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VQlpXNzQJz.js

Filesize
346KB

MD5
3ed07b2cfc14457c448129ac338d1a9b

SHA1
e07cd37475c0a9e2c53d4f7df317c8b4be70855e

SHA256
ed505690251f92f79fb3341968a3283e69bcd4ffe08539593b1601fac515c36b

SHA512
db34f63ad7cd4580c200040f1ced68ef7477cf61e44304932a2989cda520a56e90bf51d27bcd8474f14600a92f25664befa9a64caf26c009d5ecb6a610b78fa5

Download Submit
C:\Users\Admin\AppData\Roaming\VQlpXNzQJz.js

Filesize
346KB

MD5
3ed07b2cfc14457c448129ac338d1a9b

SHA1
e07cd37475c0a9e2c53d4f7df317c8b4be70855e

SHA256
ed505690251f92f79fb3341968a3283e69bcd4ffe08539593b1601fac515c36b

SHA512
db34f63ad7cd4580c200040f1ced68ef7477cf61e44304932a2989cda520a56e90bf51d27bcd8474f14600a92f25664befa9a64caf26c009d5ecb6a610b78fa5

Download Submit
C:\Users\Admin\AppData\Roaming\VQlpXNzQJz.js

Filesize
346KB

MD5
3ed07b2cfc14457c448129ac338d1a9b

SHA1
e07cd37475c0a9e2c53d4f7df317c8b4be70855e

SHA256
ed505690251f92f79fb3341968a3283e69bcd4ffe08539593b1601fac515c36b

SHA512
db34f63ad7cd4580c200040f1ced68ef7477cf61e44304932a2989cda520a56e90bf51d27bcd8474f14600a92f25664befa9a64caf26c009d5ecb6a610b78fa5

Download Submit

Analysis

Sharing