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 26 IoCs

Processes:

wscript.exewscript.exewscript.exe

flow	pid	process
4	3004	wscript.exe
8	2692	wscript.exe
9	1680	wscript.exe
10	1680	wscript.exe
12	1680	wscript.exe
15	1680	wscript.exe
18	1680	wscript.exe
21	1680	wscript.exe
23	1680	wscript.exe
25	1680	wscript.exe
27	1680	wscript.exe
30	1680	wscript.exe
32	1680	wscript.exe
34	1680	wscript.exe
37	1680	wscript.exe
39	1680	wscript.exe
41	1680	wscript.exe
45	1680	wscript.exe
47	1680	wscript.exe
49	1680	wscript.exe
52	1680	wscript.exe
55	1680	wscript.exe
57	1680	wscript.exe
61	1680	wscript.exe
63	1680	wscript.exe
65	1680	wscript.exe

Drops startup file 5 IoCs

Processes:

wscript.exewscript.exewscript.exewscript.exe

description	ioc	process
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
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

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-1-5-21-3627615824-4061627003-3019543961-1000\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-1-5-21-3627615824-4061627003-3019543961-1000\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 24 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	27	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	34	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	37	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	49	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	52	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	65	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	10	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	15	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	21	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	47	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	61	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	63	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	9	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	12	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	55	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	57	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	23	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	30	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	32	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	39	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	41	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	45	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	18	WSHRAT\|54781DE4\|SCFGBRBT\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	25	WSHRAT\|54781DE4\|SCFGBRBT\|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 1420 wrote to memory of 3004	1420	wscript.exe	wscript.exe
PID 1420 wrote to memory of 3004	1420	wscript.exe	wscript.exe
PID 1420 wrote to memory of 3004	1420	wscript.exe	wscript.exe
PID 1420 wrote to memory of 1680	1420	wscript.exe	wscript.exe
PID 1420 wrote to memory of 1680	1420	wscript.exe	wscript.exe
PID 1420 wrote to memory of 1680	1420	wscript.exe	wscript.exe
PID 1680 wrote to memory of 2692	1680	wscript.exe	wscript.exe
PID 1680 wrote to memory of 2692	1680	wscript.exe	wscript.exe
PID 1680 wrote to memory of 2692	1680	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:1420
- 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:3004
- 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:1680
- - 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:2692

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

Replay Monitor

Loading Replay Monitor...

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

Replay Monitor

Loading Replay Monitor...

Downloads