vjw0rm | 5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-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 53 IoCs

flow	pid	Process
6	1340	wscript.exe
9	664	wscript.exe
11	968	wscript.exe
13	664	wscript.exe
14	664	wscript.exe
16	1340	wscript.exe
17	968	wscript.exe
19	664	wscript.exe
22	968	wscript.exe
24	1340	wscript.exe
27	664	wscript.exe
30	968	wscript.exe
32	1340	wscript.exe
33	664	wscript.exe
35	664	wscript.exe
37	1340	wscript.exe
39	968	wscript.exe
41	664	wscript.exe
43	968	wscript.exe
45	1340	wscript.exe
48	664	wscript.exe
50	968	wscript.exe
52	1340	wscript.exe
53	664	wscript.exe
56	664	wscript.exe
58	968	wscript.exe
60	1340	wscript.exe
62	664	wscript.exe
64	968	wscript.exe
65	1340	wscript.exe
68	664	wscript.exe
71	1340	wscript.exe
72	968	wscript.exe
74	664	wscript.exe
77	968	wscript.exe
78	1340	wscript.exe
79	664	wscript.exe
81	664	wscript.exe
83	968	wscript.exe
85	1340	wscript.exe
89	664	wscript.exe
91	968	wscript.exe
93	1340	wscript.exe
94	664	wscript.exe
97	968	wscript.exe
98	1340	wscript.exe
99	664	wscript.exe
103	968	wscript.exe
104	664	wscript.exe
106	1340	wscript.exe
109	664	wscript.exe
111	1340	wscript.exe
113	968	wscript.exe

Drops startup file 5 IoCs

description	ioc	Process
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
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f.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-1-5-21-1214520366-621468234-4062160515-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\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-1-5-21-1214520366-621468234-4062160515-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\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
8	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 9 IoCs

description	pid	Process	procid_target
PID 656 wrote to memory of 1340	656	wscript.exe	28
PID 656 wrote to memory of 1340	656	wscript.exe	28
PID 656 wrote to memory of 1340	656	wscript.exe	28
PID 656 wrote to memory of 664	656	wscript.exe	29
PID 656 wrote to memory of 664	656	wscript.exe	29
PID 656 wrote to memory of 664	656	wscript.exe	29
PID 664 wrote to memory of 968	664	wscript.exe	31
PID 664 wrote to memory of 968	664	wscript.exe	31
PID 664 wrote to memory of 968	664	wscript.exe	31

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f.js
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:656
- 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:1340
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\5597f148d24f8999fa0e961445c95d0b854a8c296a46cb92db48ddbc1ecc341f.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:664
- - 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:968

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

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
memory/1340-58-0x000007FEFC131000-0x000007FEFC133000-memory.dmp

Filesize
8KB

Download