vjw0rm | 6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574

General

Target

34003198.pdf.js
Size

3.8MB
MD5

6812d6fba47adabb337563ca20fa84f8
SHA1

2ab5b312c71f2a60d53c16fad7690291ea6d5bb0
SHA256

6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574
SHA512

63d595755ddb4f6b680fb41068f285fbfa6b87d508b7efe1c2f481e70722a2d08669f15b08e362e8db0fdbd85f84796d1f1dd48717c7bf6392055dbbedfeaeae
SSDEEP

49152:DVz6cMuHZupT2iUkP6qOyJdCt6x9loTDW6bK53j+ji48++M0fTW/JDy4TaERYUbB:V

Score

10^/10

vjw0rm wshrat persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

C2

http://jemyy.theworkpc.com:5401

Extracted

Family

wshrat

C2

http://94.156.71.108:1604

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat

Blocklisted process makes network request 29 IoCs

Processes:

wscript.exewscript.exewscript.exe

flow	pid	process
7	2508	wscript.exe
8	2332	wscript.exe
10	2380	wscript.exe
11	2508	wscript.exe
13	2508	wscript.exe
16	2508	wscript.exe
19	2508	wscript.exe
22	2508	wscript.exe
24	2508	wscript.exe
26	2508	wscript.exe
28	2508	wscript.exe
31	2508	wscript.exe
33	2508	wscript.exe
35	2508	wscript.exe
38	2508	wscript.exe
40	2508	wscript.exe
42	2508	wscript.exe
46	2508	wscript.exe
48	2508	wscript.exe
50	2508	wscript.exe
53	2508	wscript.exe
55	2508	wscript.exe
57	2508	wscript.exe
60	2508	wscript.exe
62	2508	wscript.exe
64	2508	wscript.exe
66	2380	wscript.exe
68	2332	wscript.exe
70	2508	wscript.exe

Drops startup file 5 IoCs

Processes:

wscript.exewscript.exewscript.exewscript.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bCdHGOcGLp.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\34003198.pdf.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bCdHGOcGLp.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\34003198.pdf.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bCdHGOcGLp.js	wscript.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

wscript.exewscript.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\34003198 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\34003198.pdf.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\34003198 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\34003198.pdf.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\34003198 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\34003198.pdf.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\34003198 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\34003198.pdf.js\""	wscript.exe

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

System Information Discovery
T1082

Script User-Agent 25 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	42	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	22	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	28	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	11	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	31	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	53	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	60	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	33	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	64	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	70	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	40	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	46	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	13	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	24	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	38	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	48	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	55	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	57	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	62	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	16	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	35	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	50	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	7	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	19	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	26	WSHRAT\|688E6B44\|HKULBIBU\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

wscript.exewscript.exe

description	pid	process	target process
PID 1244 wrote to memory of 2332	1244	wscript.exe	wscript.exe
PID 1244 wrote to memory of 2332	1244	wscript.exe	wscript.exe
PID 1244 wrote to memory of 2332	1244	wscript.exe	wscript.exe
PID 1244 wrote to memory of 2508	1244	wscript.exe	wscript.exe
PID 1244 wrote to memory of 2508	1244	wscript.exe	wscript.exe
PID 1244 wrote to memory of 2508	1244	wscript.exe	wscript.exe
PID 2508 wrote to memory of 2380	2508	wscript.exe	wscript.exe
PID 2508 wrote to memory of 2380	2508	wscript.exe	wscript.exe
PID 2508 wrote to memory of 2380	2508	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\34003198.pdf.js
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\bCdHGOcGLp.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:2332
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\34003198.pdf.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2508
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\bCdHGOcGLp.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    PID:2380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\34003198.pdf.js

Filesize
3.8MB

MD5
6812d6fba47adabb337563ca20fa84f8

SHA1
2ab5b312c71f2a60d53c16fad7690291ea6d5bb0

SHA256
6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574

SHA512
63d595755ddb4f6b680fb41068f285fbfa6b87d508b7efe1c2f481e70722a2d08669f15b08e362e8db0fdbd85f84796d1f1dd48717c7bf6392055dbbedfeaeae

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

Filesize
346KB

MD5
ef0b971ae6f0713ad41a7774539bb787

SHA1
30e622c882a4e44b193d36c1a81d78850fe70c00

SHA256
62563b71eed9b8356f69bf8ba95e4664d6f936e485975d19cb04e7f456495fd3

SHA512
d9308bb70542e0ea6f080f5a2eafc528dd037fefe3a4b83a29721b161212572db27e20fa0d08d03dac0ae1691dd0f7c40471ab03d886158305d12ba4f48d1dc2

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads