vjw0rm | 2501e01c4f196967e005c2969f1d692ca8adcb24a23c5d6fb13f9a0b71f2d8c8

Analysis

max time kernel
161s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2024 20:09

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General

Target

53d9dc9fa9cc34f33fe03b7c5f5fce6b.js
Size

1.1MB
MD5

53d9dc9fa9cc34f33fe03b7c5f5fce6b
SHA1

8d906ed4bfd58c0220765721298ce2e75256b568
SHA256

2501e01c4f196967e005c2969f1d692ca8adcb24a23c5d6fb13f9a0b71f2d8c8
SHA512

baa55aa8cad643bf63ef21b6413d4bd3fb92c702588f95b650187b06189ae2a191945a777856662fd5d0801115700e4c7a6de3143b1e03a5bb666040bfdb1ca7
SSDEEP

24576:VnnSnOBVKSjE0WomnrAXLjEYwbsC6fwC1prbsHn0NO2IOU:lcnraeWHrAg0J

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FXdRinYHQL.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FXdRinYHQL.js	wscript.exe

Executes dropped EXE 1 IoCs

pid	Process
1192	NEW COPY DOC_SCANNED ORDER_AUG_IMG_6210332111_CIF_EXW.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\FXdRinYHQL.js\""	wscript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 3216	3644	wscript.exe	93
PID 3644 wrote to memory of 3216	3644	wscript.exe	93
PID 3644 wrote to memory of 1192	3644	wscript.exe	94
PID 3644 wrote to memory of 1192	3644	wscript.exe	94
PID 3644 wrote to memory of 1192	3644	wscript.exe	94

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\53d9dc9fa9cc34f33fe03b7c5f5fce6b.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3644
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\FXdRinYHQL.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:3216
- C:\Users\Admin\AppData\Roaming\NEW COPY DOC_SCANNED ORDER_AUG_IMG_6210332111_CIF_EXW.exe
  "C:\Users\Admin\AppData\Roaming\NEW COPY DOC_SCANNED ORDER_AUG_IMG_6210332111_CIF_EXW.exe"
  2⤵
  - Executes dropped EXE
  PID:1192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\FXdRinYHQL.js

Filesize
10KB

MD5
aaaad4740541507c2973b037f8bd605d

SHA1
52c00b23e70731ef08bfb590d7cc8f0bd48bdb60

SHA256
e577630c07a417270fd23da46f477da5b6ca3a059abbb26befe750418e860fce

SHA512
ca9e073a91c1f761ddfb047a662a4a2a2ca6c50f5cfe41c7919185e8d1d41f13d8ce1240f68accf4c7909702a4d369d178b05cfd7c927086f1b6fad380ba1a18

Download Submit
C:\Users\Admin\AppData\Roaming\NEW COPY DOC_SCANNED ORDER_AUG_IMG_6210332111_CIF_EXW.exe

Filesize
619KB

MD5
4255e9ead1e7fe49993169f7136069f4

SHA1
e936b187eb244006e9868a8491dfc267e5f71292

SHA256
b8daa1f10978ebc4a615f241f783cbdf7a5f90f3e5ea686c90809708aef14848

SHA512
a27b3bfd2885589a2f201a7c31e1218cf9c4d895d30bb3a3104b36973030b61b1884c9925ca50301b52ac521c6f416b1e5ba3add897bc229bc397ce54f0e0e4e

Download Submit
memory/1192-14-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1192-15-0x0000000000140000-0x00000000001E0000-memory.dmp

Filesize
640KB

Download
memory/1192-16-0x0000000005200000-0x00000000057A4000-memory.dmp

Filesize
5.6MB

Download
memory/1192-17-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1192-18-0x0000000000AF0000-0x0000000000B82000-memory.dmp

Filesize
584KB

Download
memory/1192-19-0x0000000004C80000-0x0000000004C90000-memory.dmp

Filesize
64KB

Download
memory/1192-20-0x0000000005000000-0x000000000500A000-memory.dmp

Filesize
40KB

Download
memory/1192-21-0x0000000004C80000-0x0000000004C90000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads