vjw0rm | efcdeefba79358f7c7fe176e3efb65513b34c5c4f4e0f12192dfb544149105ba

General

Target

receipt.js
Size

66KB
MD5

42d55b6f9eca214d8322f6f8d3fd97fa
SHA1

bba7f2f09e21e94170771276bb543056a9fafa15
SHA256

efcdeefba79358f7c7fe176e3efb65513b34c5c4f4e0f12192dfb544149105ba
SHA512

7376cfa00a4bece9614c98ccbc0bccf2de0f7949564d5ec219338871c1dbf27a930383e10b11e709df467ee6512c658830106de2861b6ab8319c2db4ff5601bd

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

C2

http://zeegod.duckdns.org:9998

Signatures

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

Blocklisted process makes network request 19 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
8	1632	wscript.exe
9	1960	wscript.exe
11	1632	wscript.exe
13	1632	wscript.exe
15	1632	wscript.exe
17	1632	wscript.exe
20	1632	wscript.exe
23	1632	wscript.exe
25	1632	wscript.exe
27	1632	wscript.exe
29	1632	wscript.exe
32	1632	wscript.exe
34	1632	wscript.exe
36	1632	wscript.exe
39	1632	wscript.exe
41	1632	wscript.exe
43	1632	wscript.exe
46	1632	wscript.exe
48	1632	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\PjAkivHuis.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PjAkivHuis.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-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run\00FAYTSXGU = "\"C:\\Users\\Admin\\AppData\\Roaming\\PjAkivHuis.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run\YSAGQWKNY8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\receipt.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

764 schtasks.exe

pid	process
764	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 1960 wrote to memory of 1632	1960	wscript.exe	wscript.exe
PID 1960 wrote to memory of 1632	1960	wscript.exe	wscript.exe
PID 1960 wrote to memory of 1632	1960	wscript.exe	wscript.exe
PID 1960 wrote to memory of 764	1960	wscript.exe	schtasks.exe
PID 1960 wrote to memory of 764	1960	wscript.exe	schtasks.exe
PID 1960 wrote to memory of 764	1960	wscript.exe	schtasks.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:1960

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\PjAkivHuis.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1632

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\receipt.js
2⤵
- Creates scheduled task(s)
PID:764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\PjAkivHuis.js
MD5
458502e2563a658624c8f0b366f01c95

SHA1
c09a86d6381df9613689315119c7cf3441a7ce40

SHA256
c4cf9fe07191cfafef4b722962c990f8949cb98acebbc5f4b60fc871593d21e6

SHA512
f69688610175e30302c3a20787259ee1badc24325230cea98f7dacfe83a624af8ca3e421d0007ef17a42f99f529a290eb596d5f191088b7046948169b69f8323

Download Submit
memory/1960-54-0x000007FEFC161000-0x000007FEFC163000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads