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 25 IoCs

flow	pid	Process
6	1460	wscript.exe
9	1536	wscript.exe
10	1876	wscript.exe
11	1460	wscript.exe
12	1536	wscript.exe
16	1876	wscript.exe
17	1536	wscript.exe
19	1460	wscript.exe
21	1460	wscript.exe
24	1876	wscript.exe
25	1460	wscript.exe
26	1536	wscript.exe
28	1460	wscript.exe
31	1536	wscript.exe
32	1460	wscript.exe
34	1876	wscript.exe
36	1536	wscript.exe
37	1460	wscript.exe
40	1536	wscript.exe
41	1460	wscript.exe
43	1876	wscript.exe
45	1460	wscript.exe
48	1536	wscript.exe
50	1876	wscript.exe
51	1460	wscript.exe

Drops startup file 5 IoCs

description	ioc	Process
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
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23.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
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\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-1-5-21-2961826002-3968192592-354541192-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\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-1-5-21-2961826002-3968192592-354541192-1000\software\microsoft\windows\currentversion\run	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 9 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 1460	2044	wscript.exe	28
PID 2044 wrote to memory of 1460	2044	wscript.exe	28
PID 2044 wrote to memory of 1460	2044	wscript.exe	28
PID 2044 wrote to memory of 1876	2044	wscript.exe	29
PID 2044 wrote to memory of 1876	2044	wscript.exe	29
PID 2044 wrote to memory of 1876	2044	wscript.exe	29
PID 1876 wrote to memory of 1536	1876	wscript.exe	31
PID 1876 wrote to memory of 1536	1876	wscript.exe	31
PID 1876 wrote to memory of 1536	1876	wscript.exe	31

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23.js
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2044
- 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:1460
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\3f3ee13d1a86d8f63c3c730556cfcff2a1f8d22980fdc001b5240ce7315dcd23.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1876
- - 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:1536

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

System Information Discovery

1

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\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

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