vjw0rm | 6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 01:21

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General

Target

6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.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

wshrat

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 39 IoCs

flow	pid	Process
4	2628	wscript.exe
7	2564	wscript.exe
9	2436	wscript.exe
10	2564	wscript.exe
12	2628	wscript.exe
14	2436	wscript.exe
16	2564	wscript.exe
18	2628	wscript.exe
19	2564	wscript.exe
22	2564	wscript.exe
25	2564	wscript.exe
28	2436	wscript.exe
30	2564	wscript.exe
33	2628	wscript.exe
34	2564	wscript.exe
36	2436	wscript.exe
38	2628	wscript.exe
39	2564	wscript.exe
43	2436	wscript.exe
44	2564	wscript.exe
46	2628	wscript.exe
48	2564	wscript.exe
49	2436	wscript.exe
52	2564	wscript.exe
55	2564	wscript.exe
57	2628	wscript.exe
58	2564	wscript.exe
61	2564	wscript.exe
63	2628	wscript.exe
64	2436	wscript.exe
68	2436	wscript.exe
69	2564	wscript.exe
72	2436	wscript.exe
74	2564	wscript.exe
75	2628	wscript.exe
76	2564	wscript.exe
81	2564	wscript.exe
84	2436	wscript.exe
86	2628	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\bCdHGOcGLp.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.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\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.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 19 IoCs

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

description	flow	ioc
HTTP User-Agent header	7	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	48	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	55	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	22	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	39	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	81	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	44	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	52	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	58	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	10	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	19	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	30	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	61	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	69	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	74	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	76	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	16	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	25	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript
HTTP User-Agent header	34	WSHRAT\|B4048E31\|KXIPPCKF\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 20/4/2024\|JavaScript

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2628	1752	wscript.exe	28
PID 1752 wrote to memory of 2628	1752	wscript.exe	28
PID 1752 wrote to memory of 2628	1752	wscript.exe	28
PID 1752 wrote to memory of 2564	1752	wscript.exe	29
PID 1752 wrote to memory of 2564	1752	wscript.exe	29
PID 1752 wrote to memory of 2564	1752	wscript.exe	29
PID 2564 wrote to memory of 2436	2564	wscript.exe	31
PID 2564 wrote to memory of 2436	2564	wscript.exe	31
PID 2564 wrote to memory of 2436	2564	wscript.exe	31

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.js
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1752
- 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:2628
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2564
- - 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:2436

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\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.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\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.js

Filesize
3.8MB

MD5
20865119be6c2734f467db49e6ddb182

SHA1
30abc75017d639f5e80310dcf08302d4da83e148

SHA256
f2bd4436298377fcb4f129e086a5ce859da709c0a109ed1e0df37c6273725721

SHA512
9d467e556b863a4bc3d458820f7bdccd480ea0bafddf310268ed5ba55a8248b1f992b2a889fee74b111ef5ff4eb8415885ff1aed0ed348e3299392a83f7b3b46

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

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads