vjw0rm | ed8e23c9297e8ead61aff74b1cf398c5fdcb1998ff8bc09baeece1ef9453061c

General

Target

ERECEIPT.JS
Size

23KB
MD5

f041d2da1a5839119c042afda5c966ad
SHA1

78dee5cee82ae393737ddbff9ccf13ad460f6711
SHA256

88831eb51e1546b02091a0b2508f19e82c1feea3fec4d4c10fac83e3df107677
SHA512

1838dc189474e0896cc5e800d0595ede6a6bc0c6535a3eb247cb2b0525763c923615762de7857ade40ecd970b8b3ef0a33075d2bae9b22e2d5aad7ae0ba37a81

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

C2

http://loadcash.duckdns.org:7779

http://gameserver-789.duia.ro:6789

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm

Blocklisted process makes network request 15 IoCs

Processes:

wscript.exeWScript.exe

flow	pid	process
10	660	wscript.exe
11	2156	WScript.exe
21	660	wscript.exe
26	660	wscript.exe
29	660	wscript.exe
30	660	wscript.exe
32	660	wscript.exe
35	660	wscript.exe
36	660	wscript.exe
37	660	wscript.exe
38	660	wscript.exe
39	660	wscript.exe
40	660	wscript.exe
41	660	wscript.exe
42	660	wscript.exe

Drops startup file 3 IoCs

Processes:

WScript.exewscript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ERECEIPT.JS	WScript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\hHHTUAlbjt.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\hHHTUAlbjt.js	wscript.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exeWScript.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\hHHTUAlbjt.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\XIKPFFU2BI = "\"C:\\Users\\Admin\\AppData\\Roaming\\ERECEIPT.JS\""	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 2 IoCs

Processes:

WScript.exe

description	pid	process	target process
PID 2156 wrote to memory of 660	2156	WScript.exe	wscript.exe
PID 2156 wrote to memory of 660	2156	WScript.exe	wscript.exe

C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Local\Temp\ERECEIPT.JS"
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2156

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\hHHTUAlbjt.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:660

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\hHHTUAlbjt.js
MD5
92267ddaf97462922152ddb1e0165db8

SHA1
99d87937a9844ce24481a4499ae9bc5dd39a0604

SHA256
61c77f0004a30e87cb6a0b27b56b54e50436b1e532342f01790b398847640b02

SHA512
6d349ce485a573700990c26b845fe559172097c58bf2fee31d61e6feebd73d2be17b61957c582bb4be5f6f6671abe40ec9f8ebe24e360ce26dca9988343220a9

Download Submit
memory/660-115-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads