vjw0rm | 2e60c3ba7e545ebb75f91c51b085be7b61d34374f178f9bca45e96624727dc9b

Analysis

max time kernel
142s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 04:10

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General

Target

279ba39874bda6eba21ce2ec81361659.js
Size

201KB
MD5

279ba39874bda6eba21ce2ec81361659
SHA1

4d44cefbfce10930858e8a0f9ee8510e27152dcf
SHA256

2e60c3ba7e545ebb75f91c51b085be7b61d34374f178f9bca45e96624727dc9b
SHA512

aba2055963cab29261df5d14386235ea53535ccc6b58485d8a9758fb171deb84f7034deb38c8f209d80a15584bc2cf252edf62b956e70a09614abf00d536aa42
SSDEEP

3072:GIUkZFN8yRu8pXSn77+oFyLELt0GV3hfQYPGUba:fFN7Fi77rFeC+weYP+

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\RQJrwUperv.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RQJrwUperv.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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\RQJrwUperv.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 6 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 1988	2640	wscript.exe	28
PID 2640 wrote to memory of 1988	2640	wscript.exe	28
PID 2640 wrote to memory of 1988	2640	wscript.exe	28
PID 2640 wrote to memory of 2704	2640	wscript.exe	29
PID 2640 wrote to memory of 2704	2640	wscript.exe	29
PID 2640 wrote to memory of 2704	2640	wscript.exe	29

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\279ba39874bda6eba21ce2ec81361659.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\RQJrwUperv.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:1988
- C:\Program Files\Java\jre7\bin\javaw.exe
  "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\djlbilkozs.txt"
  2⤵
  PID:2704

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

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Downloads

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

Filesize
9KB

MD5
8809b0d0197b3cd57b6708280097e505

SHA1
9ce907eb77d894c721bac3b95ec10198b673cf90

SHA256
08a35def10fe25f0e7ba5ab9f9225617752d008b77c3c8038e7f4e6e22efca97

SHA512
0619a90ee431c855718ef66166886c166ee2d3461514220e46fb8cfdfc78bdade23fc6823860dedf6f1a8d65dae9e8e0c94343fe250d469ba63ecd6ef3cfe1a1

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

Filesize
92KB

MD5
06f61cd3d0cdf9257fcdac6483d4c1ba

SHA1
f4eec20fdbc68dbdd8bb5fd1dfecd918b099ef2f

SHA256
424ba40767618afade696d3714c1ba1960ff91e3bc1658fa510cd2332baf2a2f

SHA512
9aa7d19fb9999d0414d2399e14ccf43b66cbd6a1bf54be6538b6a0a9e9ac096bdc065a43e4d776ed5cd01a14562446fcd535979b0756781e132e13b27b575657

Download Submit
memory/2704-10-0x0000000002230000-0x0000000005230000-memory.dmp

Filesize
48.0MB

Download
memory/2704-17-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2704-18-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2704-40-0x0000000002230000-0x0000000005230000-memory.dmp

Filesize
48.0MB

Download
memory/2704-42-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2704-48-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads