vjw0rm | e1c16f7c77280f307b671baaf7409b6ca7772bcddec3d3bd2b667034df320e27

Resubmissions

31/03/2024, 21:21

240331-z7jbwsda39 10

31/03/2024, 21:18

240331-z5rv9ace3z 10

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
31/03/2024, 21:18

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General

Target

5e6114efe56d6a4cb3b9efaeeb18a2c1_JaffaCakes118.js
Size

24KB
MD5

5e6114efe56d6a4cb3b9efaeeb18a2c1
SHA1

6ff4182105261e965ad8f3b373c98a9cf7b4d1bb
SHA256

e1c16f7c77280f307b671baaf7409b6ca7772bcddec3d3bd2b667034df320e27
SHA512

b4f0ccbee4c3e891f085ef6108d36b2f65c7efb3d01bb28ed848072bb25426d831df24f7651a41067b34311b1e2b30c381ba456ca8f2a7535e8b687ac702d105
SSDEEP

384:Jm3uw3bKnVw/cj2i3TvskXpuYno5w9FW0z7KQuDFPlglpxivySfj/MGznhfd1:klrKOfiYkXpNn4wHjz0gT6BP

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

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

Blocklisted process makes network request 17 IoCs

flow	pid	Process
5	3172	wscript.exe
16	3172	wscript.exe
25	3172	wscript.exe
27	3172	wscript.exe
43	3172	wscript.exe
45	3172	wscript.exe
47	3172	wscript.exe
53	3172	wscript.exe
55	3172	wscript.exe
57	3172	wscript.exe
65	3172	wscript.exe
67	3172	wscript.exe
69	3172	wscript.exe
72	3172	wscript.exe
74	3172	wscript.exe
76	3172	wscript.exe
78	3172	wscript.exe

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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5e6114efe56d6a4cb3b9efaeeb18a2c1_JaffaCakes118.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IgOMTiUSwr.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IgOMTiUSwr.js	wscript.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\IgOMTiUSwr.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3W2CQPM6PM = "\"C:\\Users\\Admin\\AppData\\Roaming\\5e6114efe56d6a4cb3b9efaeeb18a2c1_JaffaCakes118.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 2 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 4320	3172	wscript.exe	88
PID 3172 wrote to memory of 4320	3172	wscript.exe	88

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\5e6114efe56d6a4cb3b9efaeeb18a2c1_JaffaCakes118.js
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\IgOMTiUSwr.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:4320

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\IgOMTiUSwr.js

Filesize
8KB

MD5
e3e02044f9c52b7ccc612c7018a6e8cb

SHA1
4b09da4abe3f8d626043a3302f607622496c4df5

SHA256
d6fda24f2c7f287aefe429557a7b6dc2c4b3f6e8c04fe753352dc79cf6d14938

SHA512
8e491eef71548162d30d1e11bf09ec2a3d1223c2b1a5314ff6939dcfc5e261da5ea62e3a201c9e07c0d965df82db489907513cfa57e0b8b963e4cb7d3d2e2e85

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads