wshrat | bdeb2422f1ed9b86282ad01e2c3593532260d255c5c049b1879c638ae09461ae

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
12-04-2023 12:38

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Machine_Quotation.vbs
Size

232KB
MD5

a44e4a05672c3d71d24e06ae1bd365b7
SHA1

fae43f0429d15d58dd11960dbfc44d8df746b551
SHA256

bdeb2422f1ed9b86282ad01e2c3593532260d255c5c049b1879c638ae09461ae
SHA512

2464309b8ee42623c715bdc7677ce399dc78d49fb347204bc0373b63d1fb769b9bc4a7b8dc61b86a499d0fb7e7789451d12cecdb6ca0ebe52052cd3a2d7b94c7
SSDEEP

768:EYyeC7GF14a5cgFUXgfUtvtxcxsXqujrruAuu7NZFBlvK:pL1

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 24 IoCs

flow	pid	Process
14	4324	WScript.exe
16	4324	WScript.exe
23	4324	WScript.exe
27	4324	WScript.exe
37	4324	WScript.exe
41	4324	WScript.exe
43	4324	WScript.exe
44	4324	WScript.exe
48	4324	WScript.exe
52	4324	WScript.exe
53	4324	WScript.exe
56	4324	WScript.exe
57	4324	WScript.exe
58	4324	WScript.exe
62	4324	WScript.exe
63	4324	WScript.exe
64	4324	WScript.exe
65	4324	WScript.exe
66	4324	WScript.exe
67	4324	WScript.exe
68	4324	WScript.exe
69	4324	WScript.exe
70	4324	WScript.exe
71	4324	WScript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Machine_Quotation.vbs	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Machine_Quotation.vbs	WScript.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Machine_Quotation = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\Machine_Quotation.vbs\""	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\Machine_Quotation = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\Machine_Quotation.vbs\""	WScript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	WScript.exe

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

System Information Discovery
T1082

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Machine_Quotation.vbs"
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:4324

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Machine_Quotation.vbs

Filesize
232KB

MD5
a44e4a05672c3d71d24e06ae1bd365b7

SHA1
fae43f0429d15d58dd11960dbfc44d8df746b551

SHA256
bdeb2422f1ed9b86282ad01e2c3593532260d255c5c049b1879c638ae09461ae

SHA512
2464309b8ee42623c715bdc7677ce399dc78d49fb347204bc0373b63d1fb769b9bc4a7b8dc61b86a499d0fb7e7789451d12cecdb6ca0ebe52052cd3a2d7b94c7

Download Submit