vjw0rm | ee4d4c17bf09054c1f23e7a41363a788c77e604b72360543a47c140b25e9e100

General

Target

Dhl Authorisation 0471.js
Size

2.7MB
MD5

eed1ebe93897be063de0e58e4727e202
SHA1

81d8a907c8b0c7aea595f19214588d14f8d34922
SHA256

ee4d4c17bf09054c1f23e7a41363a788c77e604b72360543a47c140b25e9e100
SHA512

be4395746b1b02af6262d65669c0d6df5228b84e960ee7c2f6dc30ef6aff8c49150235ab0bf1f2e4067a9236b0d95eeddb189c4ba368fb6d4ad2a11a5a9aaf19
SSDEEP

24576:nqCxdnXs0pApmfJL/SoAWQLE6/WXpVxzrO/J/HWVZBmqdYnV0tme/4lFOi51o39D:B

Score

10^/10

vjw0rm wshrat persistence trojan worm

Malware Config

Extracted

Family

wshrat

C2

http://80.85.154.247:5053

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 35 IoCs

flow	pid	Process
12	3728	wscript.exe
14	3728	wscript.exe
15	3728	wscript.exe
16	3728	wscript.exe
18	4640	wscript.exe
19	2804	wscript.exe
21	3728	wscript.exe
30	3728	wscript.exe
32	3728	wscript.exe
33	3728	wscript.exe
34	2804	wscript.exe
35	4640	wscript.exe
36	3728	wscript.exe
45	3728	wscript.exe
48	3728	wscript.exe
50	3728	wscript.exe
51	3728	wscript.exe
52	2804	wscript.exe
53	4640	wscript.exe
54	3728	wscript.exe
55	3728	wscript.exe
56	3728	wscript.exe
57	3728	wscript.exe
58	3728	wscript.exe
59	2804	wscript.exe
60	4640	wscript.exe
61	3728	wscript.exe
62	3728	wscript.exe
63	3728	wscript.exe
64	3728	wscript.exe
65	2804	wscript.exe
66	4640	wscript.exe
67	3728	wscript.exe
68	3728	wscript.exe
69	3728	wscript.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 5 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Dhl Authorisation 0471.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lOtnWPJMDG.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lOtnWPJMDG.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Dhl Authorisation 0471.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lOtnWPJMDG.js	wscript.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dhl Authorisation 0471 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Dhl Authorisation 0471.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dhl Authorisation 0471 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Dhl Authorisation 0471.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dhl Authorisation 0471 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Dhl Authorisation 0471.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dhl Authorisation 0471 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Dhl Authorisation 0471.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.

description	flow	ioc
HTTP User-Agent header	68	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	48	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	50	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	55	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	57	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	64	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	67	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	30	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	32	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	61	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	63	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	69	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	58	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	62	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	14	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	15	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	21	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	33	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	51	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	54	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	12	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	16	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	36	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	45	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript
HTTP User-Agent header	56	WSHRAT\|92B76E4A\|HGXAIWVE\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/6/2023\|JavaScript

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 400 wrote to memory of 2804	400	wscript.exe	81
PID 400 wrote to memory of 2804	400	wscript.exe	81
PID 400 wrote to memory of 3728	400	wscript.exe	82
PID 400 wrote to memory of 3728	400	wscript.exe	82
PID 3728 wrote to memory of 4640	3728	wscript.exe	83
PID 3728 wrote to memory of 4640	3728	wscript.exe	83

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Dhl Authorisation 0471.js"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:400
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\lOtnWPJMDG.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:2804
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Dhl Authorisation 0471.js"
  2⤵
  - Blocklisted process makes network request
  - Checks computer location settings
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3728
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\lOtnWPJMDG.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    PID:4640

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Dhl Authorisation 0471.js

Filesize
2.7MB

MD5
eed1ebe93897be063de0e58e4727e202

SHA1
81d8a907c8b0c7aea595f19214588d14f8d34922

SHA256
ee4d4c17bf09054c1f23e7a41363a788c77e604b72360543a47c140b25e9e100

SHA512
be4395746b1b02af6262d65669c0d6df5228b84e960ee7c2f6dc30ef6aff8c49150235ab0bf1f2e4067a9236b0d95eeddb189c4ba368fb6d4ad2a11a5a9aaf19

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Dhl Authorisation 0471.js

Filesize
2.7MB

MD5
d2fd579d2d5cab1600ff91f8d89b8ebf

SHA1
9c098da0aeedb73760d95617f33d3a49dc78f8f4

SHA256
ae9e4a3ebe5bca403d765980b28fd01cf73224b36c2baacf3cf86e2389088a69

SHA512
81976591b620663bb869aaaa9a259642c33cb57bd23d50008ccab7becaad6e77d9cb9457402c9103b5b37ac9aa702ca45a8688ebacd95154fc89efc031d8ec45

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Dhl Authorisation 0471.js

Filesize
2.7MB

MD5
eed1ebe93897be063de0e58e4727e202

SHA1
81d8a907c8b0c7aea595f19214588d14f8d34922

SHA256
ee4d4c17bf09054c1f23e7a41363a788c77e604b72360543a47c140b25e9e100

SHA512
be4395746b1b02af6262d65669c0d6df5228b84e960ee7c2f6dc30ef6aff8c49150235ab0bf1f2e4067a9236b0d95eeddb189c4ba368fb6d4ad2a11a5a9aaf19

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

Filesize
346KB

MD5
cf607336b51230f951c58662b5a1f5ce

SHA1
4415bc64be744d850ab85645b125794e85febff8

SHA256
b24957bc6b75d6b95b90e3dda12c8afe989a3a6b8e59dd418c0afc781267f202

SHA512
5520b012a1aa77b7a5b69d925e60ecab26e3ad83230ec5deea0254b26493bb1a1c9b9fc2aa8e786f21470fd0f5cde57473379b0edbeaf6e5d40a79ae7b7ffba5

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

Filesize
346KB

MD5
cf607336b51230f951c58662b5a1f5ce

SHA1
4415bc64be744d850ab85645b125794e85febff8

SHA256
b24957bc6b75d6b95b90e3dda12c8afe989a3a6b8e59dd418c0afc781267f202

SHA512
5520b012a1aa77b7a5b69d925e60ecab26e3ad83230ec5deea0254b26493bb1a1c9b9fc2aa8e786f21470fd0f5cde57473379b0edbeaf6e5d40a79ae7b7ffba5

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

Filesize
346KB

MD5
cf607336b51230f951c58662b5a1f5ce

SHA1
4415bc64be744d850ab85645b125794e85febff8

SHA256
b24957bc6b75d6b95b90e3dda12c8afe989a3a6b8e59dd418c0afc781267f202

SHA512
5520b012a1aa77b7a5b69d925e60ecab26e3ad83230ec5deea0254b26493bb1a1c9b9fc2aa8e786f21470fd0f5cde57473379b0edbeaf6e5d40a79ae7b7ffba5

Download Submit

Analysis

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