vjw0rm | 44aec011118a0f9692f2f7a53d9dfeb70835c8c1cf80338f48833c65d625ad80

General

Target

eReceipt.js
Size

7KB
MD5

c6e1e11d1f9f05501b0eea97141302fa
SHA1

f80eeea1b2414c1438a53eccec4065913fb76ee2
SHA256

44aec011118a0f9692f2f7a53d9dfeb70835c8c1cf80338f48833c65d625ad80
SHA512

4f22da1454bd9c35e8722f6568d0d5ebe2e25c3a0269821e17d1ff92cc905db70dd63f545a2c9257ef374ffc0f52fa80b585166023345e913249fc51d0ccd8db

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

C2

http://zeegod.duckdns.org:9004

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
Blocklisted process makes network request 1 IoCs

Processes:

wscript.exe

flow pid process

4 956 wscript.exe
Drops startup file 1 IoCs

Processes:

wscript.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eReceipt.js wscript.exe

flow	pid	process
4	956	wscript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eReceipt.js	wscript.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\KYXNMD0WI5 = "\"C:\\Users\\Admin\\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
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1676 schtasks.exe

pid	process
1676	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 956 wrote to memory of 1416	956	wscript.exe	wscript.exe
PID 956 wrote to memory of 1416	956	wscript.exe	wscript.exe
PID 956 wrote to memory of 1416	956	wscript.exe	wscript.exe
PID 956 wrote to memory of 1676	956	wscript.exe	schtasks.exe
PID 956 wrote to memory of 1676	956	wscript.exe	schtasks.exe
PID 956 wrote to memory of 1676	956	wscript.exe	schtasks.exe

C:\Windows\system32\wscript.exe
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:956

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\RepLnVOlLK.js"
2⤵
PID:1416

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\eReceipt.js
2⤵
- Creates scheduled task(s)
PID:1676

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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\RepLnVOlLK.js
Filesize
534B

MD5
aa4b9cad70ba92e675c6d716599dafb4

SHA1
2bbabee120011aa3cd665f2c40cce9191e4afded

SHA256
758e4e99009829dcfd512bb28b2f5a11bb99fdaac232a59f261e226ff76260a8

SHA512
fbd8abe4df2d581fca057173157ee1afc438f2703f70d55d9855ac0ecff4ae8437e10ef267a52746f851ebe3d4c77a67ed606f919695052f6aeb36519d2b9eb4

Download Submit
memory/956-54-0x000007FEFC281000-0x000007FEFC283000-memory.dmp

Filesize
8KB

Download
memory/1416-55-0x0000000000000000-mapping.dmp

Download
memory/1676-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads