vjw0rm | 5f8233b2a9235541fd9e1b526c546c911dd69e9ee5e917c2540e2123748a6eba

General

Target

receipt.js
Size

139KB
MD5

553ae64ec92c74a02701ca3881915b7b
SHA1

a6c4676312e2bb96226fbcddbed738b30d15ec1c
SHA256

5f8233b2a9235541fd9e1b526c546c911dd69e9ee5e917c2540e2123748a6eba
SHA512

0a39079d2a4a2a03356396da5339cce8d8754261437ca74212aa71a19ab6726701404462c82c02914ddb5e7c957871b434a647b592d3266415c4eb906ea687a7

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

C2

http://zeegod.duckdns.org:9003

Signatures

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

Blocklisted process makes network request 17 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
5	1580	wscript.exe
8	112	wscript.exe
9	112	wscript.exe
11	112	wscript.exe
14	112	wscript.exe
18	112	wscript.exe
20	112	wscript.exe
22	112	wscript.exe
25	112	wscript.exe
26	112	wscript.exe
29	112	wscript.exe
31	112	wscript.exe
33	112	wscript.exe
37	112	wscript.exe
39	112	wscript.exe
40	112	wscript.exe
43	112	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\receipt.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DiIvjwrRBk.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DiIvjwrRBk.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
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Roaming\\DiIvjwrRBk.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\1NBCD3W1VR = "\"C:\\Users\\Admin\\AppData\\Roaming\\receipt.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run	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 3 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 1580 wrote to memory of 112	1580	wscript.exe	wscript.exe
PID 1580 wrote to memory of 112	1580	wscript.exe	wscript.exe
PID 1580 wrote to memory of 112	1580	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\receipt.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1580

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\DiIvjwrRBk.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:112

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\DiIvjwrRBk.js
Filesize
49KB

MD5
51a764a1843be91da6398b3db85a4522

SHA1
123f9f2bf93092dc01685dcb0efa0967ad451ccd

SHA256
ea062b959e8551f2f206bfb67fc8ce1c7f6d2909fa56228f81582ceca136a932

SHA512
965314adb06f7dbcd189c76321b5926e9340dee25dadff74356a97fca005ae86429376044b08d65f6916ab9431a0c7ec2754345ce8549efea3c84e6b236be074

Download Submit
memory/112-55-0x0000000000000000-mapping.dmp

Download
memory/1580-54-0x000007FEFBF01000-0x000007FEFBF03000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads