wshrat | a90a264f0536addcea90db6def755d53df5324d82d1d92f88134cc0c24360ffb

General

Target

ORDER-23023A_pdf.js
Size

7KB
MD5

933b4514edd326ee6e30c96cd77d82f9
SHA1

6d5cb6a10bb6483f6ceaa704b7ec96afa505ba10
SHA256

7322460676a315a08fd2e0a2d3dc6c9d25225fca29d1aa21428bc38354cbbcbe
SHA512

551613e20d98d59b1f9d225c57351717094c32a6f47fd8d994863e0e7e834d8e419dfaa41bf80dc7e229102f3b6bcd58cf41bb03562279a20fa689192444822f
SSDEEP

96:EPq4bVViLK3Zo7PjEA914wVViC8a4fEVUcx3GNwqEq4S2VViyKLoyrV9RdACUNVL:5jbLLgDzj/KK8AhbhxnC+dTO

Score

10^/10

wshrat persistence trojan

Malware Config

Extracted

Family

wshrat

C2

http://chongmei33.publicvm.com:7045

Signatures

WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat

Blocklisted process makes network request 30 IoCs

Processes:

wscript.exeWScript.exe

flow	pid	process
9	3696	wscript.exe
18	3696	wscript.exe
20	3696	wscript.exe
30	1508	WScript.exe
35	1508	WScript.exe
38	1508	WScript.exe
43	1508	WScript.exe
44	1508	WScript.exe
47	1508	WScript.exe
49	1508	WScript.exe
50	1508	WScript.exe
51	1508	WScript.exe
58	1508	WScript.exe
59	1508	WScript.exe
61	1508	WScript.exe
63	1508	WScript.exe
64	1508	WScript.exe
65	1508	WScript.exe
66	1508	WScript.exe
68	1508	WScript.exe
69	1508	WScript.exe
70	1508	WScript.exe
72	1508	WScript.exe
74	1508	WScript.exe
75	1508	WScript.exe
76	1508	WScript.exe
77	1508	WScript.exe
79	1508	WScript.exe
80	1508	WScript.exe
81	1508	WScript.exe

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

wscript.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation wscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 2 IoCs

Processes:

WScript.exe

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

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

WScript.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LODOMN = "wscript.exe //B 'C:\\Users\\Admin\\AppData\\Local\\Temp\\LODOMN.js'"	WScript.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\software\microsoft\windows\currentversion\run	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LODOMN = "wscript.exe //B 'C:\\Users\\Admin\\AppData\\Local\\Temp\\LODOMN.js'"	WScript.exe

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

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

wscript.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000_Classes\Local Settings wscript.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000_Classes\Local Settings	wscript.exe

Script User-Agent 27 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	81	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	47	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	51	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	66	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	74	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	75	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	77	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	49	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	59	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	43	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	70	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	79	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	80	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	38	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	58	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	65	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	68	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	76	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	63	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	64	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	50	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	72	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	30	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	44	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	61	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	69	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript
HTTP User-Agent header	35	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/6/2023\|JavaScript

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 3696 wrote to memory of 1508	3696	wscript.exe	WScript.exe
PID 3696 wrote to memory of 1508	3696	wscript.exe	WScript.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\ORDER-23023A_pdf.js
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3696

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\LODOMN.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1508

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\LODOMN.js
Filesize
539KB

MD5
0284159948343867496533e56f590b4f

SHA1
bc30c2ad6e4c4cc8f931f0b19891a34eab65b06b

SHA256
3579c1346320ede28d523e6074c0729d2ae8e64e8e7983161097e733b259a7fd

SHA512
1473b7b562f05268ad8b97b713a7b77f7fa9de289ba33d31d3bdadd19f37e9d2e1eccc127ffba44b08c4cd6f87230d67b6ce35aee2a1d291d8e9e960af785882

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\LODOMN.js
Filesize
539KB

MD5
0284159948343867496533e56f590b4f

SHA1
bc30c2ad6e4c4cc8f931f0b19891a34eab65b06b

SHA256
3579c1346320ede28d523e6074c0729d2ae8e64e8e7983161097e733b259a7fd

SHA512
1473b7b562f05268ad8b97b713a7b77f7fa9de289ba33d31d3bdadd19f37e9d2e1eccc127ffba44b08c4cd6f87230d67b6ce35aee2a1d291d8e9e960af785882

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads