vjw0rm | 959c3c857866b02879204acd58e128eb352a3e7004362cfdc1a5703518bf9a4d

Resubmissions

26-02-2024 10:46

240226-mt7fcabh5y 10

26-02-2024 10:40

240226-mqrkqabd96 10

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-02-2024 10:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a626d7243811dc4d8ccca242d6795316.jar
Size

627KB
MD5

a626d7243811dc4d8ccca242d6795316
SHA1

513cc770efdea98330eaf69e87dc9b0b54fb6faa
SHA256

959c3c857866b02879204acd58e128eb352a3e7004362cfdc1a5703518bf9a4d
SHA512

6ed975a6f358cd5c9fbc211c468accccbc98fc46a01e40c5f376857b572d9e3bf317f7450d870f6e80d6c3f2c9435d755e4b71341b50493b1b5b889fc4ffa5a0
SSDEEP

12288:DzfOwy3k0VQxylA2fOkE4Xrp68OcIDApGxGSA59Z/6Q9CbMsRdHladw/7p:Dzvy3k0Gou2ZE4XMr0GE8VHYdwjp

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\psNSdLENFy.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\psNSdLENFy.js	WScript.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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\psNSdLENFy.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 9 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2712	1728	java.exe	29
PID 1728 wrote to memory of 2712	1728	java.exe	29
PID 1728 wrote to memory of 2712	1728	java.exe	29
PID 2712 wrote to memory of 2684	2712	wscript.exe	30
PID 2712 wrote to memory of 2684	2712	wscript.exe	30
PID 2712 wrote to memory of 2684	2712	wscript.exe	30
PID 2712 wrote to memory of 2520	2712	wscript.exe	31
PID 2712 wrote to memory of 2520	2712	wscript.exe	31
PID 2712 wrote to memory of 2520	2712	wscript.exe	31

C:\Windows\system32\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\a626d7243811dc4d8ccca242d6795316.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\system32\wscript.exe
  wscript C:\Users\Admin\_output.js
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\psNSdLENFy.js"
    3⤵
    - Drops startup file
    - Adds Run key to start application
    PID:2684
- - C:\Program Files\Java\jre7\bin\javaw.exe
    "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\xtqjrkga.txt"
    3⤵
    PID:2520

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
9KB

MD5
07e26d97dd43f02c7ec44c8840a86929

SHA1
6e14f39eb51a4c9eb050432871c4d2c2476f3db8

SHA256
f853432ce4c3522230e2c7dfba170fd36a694c3907ca7191b0c1328eb1a71a72

SHA512
b08061471ed3cc18db189fb8615971860e9feb630a7f4adcaa544900fc19d2596fb6b01991076f9e0b31cde31fd9453a74d280f33c813f46ed1b47ca927752f9

Download Submit
C:\Users\Admin\AppData\Roaming\xtqjrkga.txt

Filesize
479KB

MD5
2bc77cbaca6f8ac04a0e4d698cf5133a

SHA1
34252120652ba3a20588aa557337538d21e5ed88

SHA256
a87af64dfea31dd2e08ae33b9a595b37ed4fa1511f195caa498ee9d51199528c

SHA512
fc14834e588ac87ea762a181ac12d1a59ca0fc60edb20ac1323493543760b641a6d9951c1bc3e04c66cf3692a284b793eff2cf9d8ab4050fb58d543780c24563

Download Submit
C:\Users\Admin\_output.js

Filesize
911KB

MD5
4947f7f200a807ea0a916c8fe8fb77e1

SHA1
45eb227ad8019303e07e73001bf9f4cae39ddaab

SHA256
cd846dc05b92854bc148f4547bd5f3da192b420218a371b8c64a54601d3de16c

SHA512
aea4ef3dd95039c03401614e4cefde743a8540376508881f3c2052279efd338979f1f3e7b7258f8cc3dd097ca8598a3d2b3b6f6e216bbba2fc1b6ad92a15c7b9

Download Submit
memory/1728-3-0x0000000002760000-0x0000000005760000-memory.dmp

Filesize
48.0MB

Download
memory/1728-10-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2520-29-0x00000000025C0000-0x00000000055C0000-memory.dmp

Filesize
48.0MB

Download
memory/2520-31-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2520-34-0x00000000025C0000-0x00000000055C0000-memory.dmp

Filesize
48.0MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads