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 30 IoCs

flow	pid	Process
4	2028	wscript.exe
7	2664	wscript.exe
9	1676	wscript.exe
11	2664	wscript.exe
12	2664	wscript.exe
15	2664	wscript.exe
18	2664	wscript.exe
20	2664	wscript.exe
23	2664	wscript.exe
26	2664	wscript.exe
27	2664	wscript.exe
30	2664	wscript.exe
32	2664	wscript.exe
34	2664	wscript.exe
37	2664	wscript.exe
39	2664	wscript.exe
43	2664	wscript.exe
45	2664	wscript.exe
47	2664	wscript.exe
49	2664	wscript.exe
52	2664	wscript.exe
54	2664	wscript.exe
56	2664	wscript.exe
59	2664	wscript.exe
62	1676	wscript.exe
63	2028	wscript.exe
65	2664	wscript.exe
66	2664	wscript.exe
69	2664	wscript.exe
72	2664	wscript.exe

Drops startup file 5 IoCs

description	ioc	Process
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
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\34003198.pdf.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\USER\S-1-5-21-3452737119-3959686427-228443150-1000\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-1-5-21-3452737119-3959686427-228443150-1000\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 26 IoCs

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

description	flow	ioc
HTTP User-Agent header	54	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	65	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	32	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	49	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	26	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	15	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	20	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	72	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	12	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	23	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	52	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	7	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	43	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	39	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	45	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	59	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	11	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	37	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	47	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	69	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	18	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	27	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	56	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	66	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	30	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript
HTTP User-Agent header	34	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 19/4/2024\|JavaScript

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 2028	868	wscript.exe	28
PID 868 wrote to memory of 2028	868	wscript.exe	28
PID 868 wrote to memory of 2028	868	wscript.exe	28
PID 868 wrote to memory of 2664	868	wscript.exe	29
PID 868 wrote to memory of 2664	868	wscript.exe	29
PID 868 wrote to memory of 2664	868	wscript.exe	29
PID 2664 wrote to memory of 1676	2664	wscript.exe	31
PID 2664 wrote to memory of 1676	2664	wscript.exe	31
PID 2664 wrote to memory of 1676	2664	wscript.exe	31

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:868
- 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:2028
- 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:2664
- - 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:1676

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\Microsoft\Windows\Start Menu\Programs\Startup\34003198.pdf.js

Filesize
3.8MB

MD5
acc4997b961d6e2fb9659beaf1077f75

SHA1
ec007e1e870a4c5f038ba37486ea9d2943e4fff3

SHA256
520d885613c72773fd72ede782fc3ce8d78e264ede40488383572d95f0df4daa

SHA512
754fa81006bbdecc32fb5854b0eb43b098bd2e8ed4ce5e6daa21429a30cf514dbc17aff5f1739da49c1ad9d1eb94d32c9f94a1a36797d3a179054cb0b151cde8

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