wshrat | 62dbe0f60858cf1d24dc2dd808b35d843f35e7456889323ce4b648cb15446d72

Analysis

max time kernel
146s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
30-05-2023 07:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ORDER-232903AF.js
Size

7KB
MD5

81d99b2657f3dc270466fbb9c2958a7c
SHA1

3c9541b0105664413b9ef3c8f9d13210443a43de
SHA256

62dbe0f60858cf1d24dc2dd808b35d843f35e7456889323ce4b648cb15446d72
SHA512

c0c4d057aa8fe52027e670d82d5d9a0b26d3fc3c008b5a1bdd87ac95975fb95ac229ee909d2b3190d027ca74676149bbfe0a3601ddd986b73ed18744d7517cd0
SSDEEP

24:hIErb05LU35YrOR/JM907TIy8+5UwLU5sVOv45w+v5CrNTtSr6m5pJx2:K4w5xBKdGdgUyre

Score

10^/10

wshrat persistence trojan

Malware Config

Extracted

Family

wshrat

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 28 IoCs

Processes:

wscript.exeWScript.exe

flow	pid	process
2	3080	wscript.exe
16	3080	wscript.exe
18	3080	wscript.exe
36	3036	WScript.exe
38	3036	WScript.exe
40	3036	WScript.exe
41	3036	WScript.exe
42	3036	WScript.exe
44	3036	WScript.exe
45	3036	WScript.exe
48	3036	WScript.exe
50	3036	WScript.exe
51	3036	WScript.exe
55	3036	WScript.exe
56	3036	WScript.exe
57	3036	WScript.exe
61	3036	WScript.exe
62	3036	WScript.exe
63	3036	WScript.exe
64	3036	WScript.exe
66	3036	WScript.exe
67	3036	WScript.exe
68	3036	WScript.exe
69	3036	WScript.exe
70	3036	WScript.exe
71	3036	WScript.exe
72	3036	WScript.exe
73	3036	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-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation wscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\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\BFFFQN.vbs	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\BFFFQN.vbs	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\USER\S-1-5-21-4238149048-355649189-894321705-1000\software\microsoft\windows\currentversion\run	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BFFFQN = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\BFFFQN.vbs\""	WScript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BFFFQN = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\BFFFQN.vbs\""	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-1-5-21-4238149048-355649189-894321705-1000_Classes\Local Settings wscript.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000_Classes\Local Settings	wscript.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 3080 wrote to memory of 3036	3080	wscript.exe	WScript.exe
PID 3080 wrote to memory of 3036	3080	wscript.exe	WScript.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\ORDER-232903AF.js
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3080

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\BFFFQN.vbs"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:3036

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\BFFFQN.vbs
Filesize
238KB

MD5
9e6396c0f6372ad9dabf49ac46c37b19

SHA1
532916ba3e0eb3e75bba96e46c10f28732f800cc

SHA256
cde3243e5d239396688c6a7bac14a6baf46e60a242fe4788c063ccb3bf0a0e49

SHA512
8fed54f8f61bf40f65689838782b59e4240f644841cf1f3667cf95789c75430c2143cc913493188d948e9c3a441251b702583380a80b9096904c91997c40a95f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\BFFFQN.vbs
Filesize
238KB

MD5
9e6396c0f6372ad9dabf49ac46c37b19

SHA1
532916ba3e0eb3e75bba96e46c10f28732f800cc

SHA256
cde3243e5d239396688c6a7bac14a6baf46e60a242fe4788c063ccb3bf0a0e49

SHA512
8fed54f8f61bf40f65689838782b59e4240f644841cf1f3667cf95789c75430c2143cc913493188d948e9c3a441251b702583380a80b9096904c91997c40a95f

Download Submit