vjw0rm | e632c7853782a7d4251f761a03037ca33e2421b2bec28d4afefb8ae516460c88

Analysis

max time kernel
263s
max time network
316s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
14-10-2023 03:57

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General

Target

½ļ/1.js
Size

45KB
MD5

2b4fd5e86969e9a8b56ce60175c15866
SHA1

0e6890d6be1462aa5576a00ddaac640214e70256
SHA256

0075ad3afcd0768928f57844818f6c0765d84d358415075f047346ec119242b0
SHA512

7769908e20121e3e50fea394c16497a99ceae2313af6e7c8bd9952bd8ea8bf0a71aba1fbd47f1462281c91b0db7aa21896413660069b8e413ea8cd65f925f4db
SSDEEP

768:NZLlAbEuwYu+sN8Ra/4Rm9yLudr3i+ngm6rEZC0Sao4:C4uoNcawo9sUr3i+ngyC0Saj

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 5 IoCs

flow	pid	Process
9	2576	wscript.exe
18	2576	wscript.exe
27	2576	wscript.exe
39	2576	wscript.exe
46	2576	wscript.exe

Drops startup file 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mgmTAuaTmT.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mgmTAuaTmT.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mgmTAuaTmT.js	wscript.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\1.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows\CurrentVersion\Run\1 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\1.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\1.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows\CurrentVersion\Run\1 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\1.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 2148 wrote to memory of 2580	2148	wscript.exe	27
PID 2148 wrote to memory of 2580	2148	wscript.exe	27
PID 2148 wrote to memory of 2580	2148	wscript.exe	27
PID 2148 wrote to memory of 2576	2148	wscript.exe	28
PID 2148 wrote to memory of 2576	2148	wscript.exe	28
PID 2148 wrote to memory of 2576	2148	wscript.exe	28
PID 2576 wrote to memory of 2416	2576	wscript.exe	29
PID 2576 wrote to memory of 2416	2576	wscript.exe	29
PID 2576 wrote to memory of 2416	2576	wscript.exe	29

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\½ļ\1.js
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\mgmTAuaTmT.js"
  2⤵
  - Drops startup file
  PID:2580
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\1.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2576
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\mgmTAuaTmT.js"
    3⤵
    - Drops startup file
    PID:2416

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\1.js

Filesize
45KB

MD5
2b4fd5e86969e9a8b56ce60175c15866

SHA1
0e6890d6be1462aa5576a00ddaac640214e70256

SHA256
0075ad3afcd0768928f57844818f6c0765d84d358415075f047346ec119242b0

SHA512
7769908e20121e3e50fea394c16497a99ceae2313af6e7c8bd9952bd8ea8bf0a71aba1fbd47f1462281c91b0db7aa21896413660069b8e413ea8cd65f925f4db

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1.js

Filesize
45KB

MD5
2b4fd5e86969e9a8b56ce60175c15866

SHA1
0e6890d6be1462aa5576a00ddaac640214e70256

SHA256
0075ad3afcd0768928f57844818f6c0765d84d358415075f047346ec119242b0

SHA512
7769908e20121e3e50fea394c16497a99ceae2313af6e7c8bd9952bd8ea8bf0a71aba1fbd47f1462281c91b0db7aa21896413660069b8e413ea8cd65f925f4db

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1.js

Filesize
45KB

MD5
2b4fd5e86969e9a8b56ce60175c15866

SHA1
0e6890d6be1462aa5576a00ddaac640214e70256

SHA256
0075ad3afcd0768928f57844818f6c0765d84d358415075f047346ec119242b0

SHA512
7769908e20121e3e50fea394c16497a99ceae2313af6e7c8bd9952bd8ea8bf0a71aba1fbd47f1462281c91b0db7aa21896413660069b8e413ea8cd65f925f4db

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mgmTAuaTmT.js

Filesize
8KB

MD5
94dd9e1490caedd9dddf727c42c773f1

SHA1
8f65feb0c94185d5b514053851f2849956f2e5f7

SHA256
0aabf186522f4c8154c13f1a2c55ef0705de899f70f3e6261ac9816aaa39756b

SHA512
741f8c8814715c3459aa8c735623db5daefc4943d2effec94edf39535f530dc8597ad0c9b5dc5a91a0527e9130cad22ec56cd3736213a98764dc27d22ce2ffab

Download Submit
C:\Users\Admin\AppData\Roaming\mgmTAuaTmT.js

Filesize
8KB

MD5
94dd9e1490caedd9dddf727c42c773f1

SHA1
8f65feb0c94185d5b514053851f2849956f2e5f7

SHA256
0aabf186522f4c8154c13f1a2c55ef0705de899f70f3e6261ac9816aaa39756b

SHA512
741f8c8814715c3459aa8c735623db5daefc4943d2effec94edf39535f530dc8597ad0c9b5dc5a91a0527e9130cad22ec56cd3736213a98764dc27d22ce2ffab

Download Submit
C:\Users\Admin\AppData\Roaming\mgmTAuaTmT.js

Filesize
8KB

MD5
94dd9e1490caedd9dddf727c42c773f1

SHA1
8f65feb0c94185d5b514053851f2849956f2e5f7

SHA256
0aabf186522f4c8154c13f1a2c55ef0705de899f70f3e6261ac9816aaa39756b

SHA512
741f8c8814715c3459aa8c735623db5daefc4943d2effec94edf39535f530dc8597ad0c9b5dc5a91a0527e9130cad22ec56cd3736213a98764dc27d22ce2ffab

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads