vjw0rm | 5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2022, 23:54

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General

Target

5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f.js
Size

1.1MB
MD5

38384d69c165b100f3e0bb9628feab41
SHA1

e5d43d8c4e69c1b11eb0e98bef644440e7a1ea5a
SHA256

5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f
SHA512

e0cd055fd8dbcbeca87826e5f91ffdcc5b2aed225a9aa6136d1ee9538d9ca2d4ec9fe8d7d50bb9acaddb475b789c5cd9bbd9f78d0f3b8aa5074fd911f5672d3b
SSDEEP

12288:GtHYDeDuDLzi5Zvhxuw/9qfuu7u0mqY4KjqjxXlb67SlkEbDVk:Y7xp9qfuu7u0mqY4K+SmlkEXVk

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 54 IoCs

flow	pid	Process
5	4824	wscript.exe
7	2948	wscript.exe
8	4156	wscript.exe
10	4156	wscript.exe
21	4156	wscript.exe
22	4824	wscript.exe
23	2948	wscript.exe
29	4156	wscript.exe
30	4824	wscript.exe
31	2948	wscript.exe
32	4156	wscript.exe
34	4824	wscript.exe
35	2948	wscript.exe
40	4156	wscript.exe
46	4156	wscript.exe
47	4824	wscript.exe
48	2948	wscript.exe
52	4156	wscript.exe
54	4824	wscript.exe
55	2948	wscript.exe
56	4156	wscript.exe
57	4824	wscript.exe
58	2948	wscript.exe
59	4156	wscript.exe
62	4156	wscript.exe
63	4824	wscript.exe
64	2948	wscript.exe
66	4156	wscript.exe
67	4824	wscript.exe
68	2948	wscript.exe
69	4156	wscript.exe
70	4824	wscript.exe
71	2948	wscript.exe
72	4156	wscript.exe
73	4156	wscript.exe
74	4824	wscript.exe
75	2948	wscript.exe
76	4156	wscript.exe
77	4824	wscript.exe
78	2948	wscript.exe
79	4156	wscript.exe
80	4824	wscript.exe
81	2948	wscript.exe
82	4156	wscript.exe
85	4824	wscript.exe
86	2948	wscript.exe
87	4156	wscript.exe
88	4156	wscript.exe
89	4824	wscript.exe
90	2948	wscript.exe
91	4156	wscript.exe
92	4824	wscript.exe
93	2948	wscript.exe
94	4156	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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\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\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cGgozkzQYb.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cGgozkzQYb.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cGgozkzQYb.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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
6	ip-api.com

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 6 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 4824	3936	wscript.exe	80
PID 3936 wrote to memory of 4824	3936	wscript.exe	80
PID 3936 wrote to memory of 4156	3936	wscript.exe	81
PID 3936 wrote to memory of 4156	3936	wscript.exe	81
PID 4156 wrote to memory of 2948	4156	wscript.exe	82
PID 4156 wrote to memory of 2948	4156	wscript.exe	82

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f.js
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\cGgozkzQYb.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:4824
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f.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:4156
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\cGgozkzQYb.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    PID:2948

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f.js

Filesize
1.1MB

MD5
38384d69c165b100f3e0bb9628feab41

SHA1
e5d43d8c4e69c1b11eb0e98bef644440e7a1ea5a

SHA256
5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f

SHA512
e0cd055fd8dbcbeca87826e5f91ffdcc5b2aed225a9aa6136d1ee9538d9ca2d4ec9fe8d7d50bb9acaddb475b789c5cd9bbd9f78d0f3b8aa5074fd911f5672d3b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f.js

Filesize
1.1MB

MD5
38384d69c165b100f3e0bb9628feab41

SHA1
e5d43d8c4e69c1b11eb0e98bef644440e7a1ea5a

SHA256
5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f

SHA512
e0cd055fd8dbcbeca87826e5f91ffdcc5b2aed225a9aa6136d1ee9538d9ca2d4ec9fe8d7d50bb9acaddb475b789c5cd9bbd9f78d0f3b8aa5074fd911f5672d3b

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

Filesize
299KB

MD5
e25921817f40444325fb0903c802f7e8

SHA1
1378235074917b2322409957a81de7cc13cc516d

SHA256
51f3bdda25cd5c326a09abfbbe09b17cc71d5693a4d5650bb6d5a7a73980095a

SHA512
24c2c7dc61ddd95c55b69a29b7cf3b8336d24eabc0cd89b4639d701851508265564d53b4fa4db2f48a1aa770919983820474e79f8f6d2868755996c30a35ada2

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

Filesize
299KB

MD5
e25921817f40444325fb0903c802f7e8

SHA1
1378235074917b2322409957a81de7cc13cc516d

SHA256
51f3bdda25cd5c326a09abfbbe09b17cc71d5693a4d5650bb6d5a7a73980095a

SHA512
24c2c7dc61ddd95c55b69a29b7cf3b8336d24eabc0cd89b4639d701851508265564d53b4fa4db2f48a1aa770919983820474e79f8f6d2868755996c30a35ada2

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

Filesize
299KB

MD5
e25921817f40444325fb0903c802f7e8

SHA1
1378235074917b2322409957a81de7cc13cc516d

SHA256
51f3bdda25cd5c326a09abfbbe09b17cc71d5693a4d5650bb6d5a7a73980095a

SHA512
24c2c7dc61ddd95c55b69a29b7cf3b8336d24eabc0cd89b4639d701851508265564d53b4fa4db2f48a1aa770919983820474e79f8f6d2868755996c30a35ada2

Download Submit