wshrat | 9dfca9429d741fb4b39d97c4d48e4c542193cc68930faead1c77e74f9bf3678f

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
03-04-2023 08:56

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General

Target

ORDER432023.vbs
Size

218KB
MD5

6ecd1b4c44ebec3bb195abc6e0aeb1fc
SHA1

d09b365dc98d35e3e53e49503184f38aa9efd9b5
SHA256

9dfca9429d741fb4b39d97c4d48e4c542193cc68930faead1c77e74f9bf3678f
SHA512

8974df412ee71fa4a54a702038bbcf45fa53ad439f8c8dfde84e3b15857f99560fbca44fd101fb13e649b647e888cf0fd0945fd83389ffe0f6c75a424baa3b0a
SSDEEP

768:uYcgYP1Tsg0HlHsf6I7j3nS3ftCSrCURr4n+xPJOxkvsWssnZ1BWKsnCWKsnSRQz:Aj

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 25 IoCs

flow	pid	Process
16	864	WScript.exe
18	864	WScript.exe
25	864	WScript.exe
26	864	WScript.exe
28	864	WScript.exe
30	864	WScript.exe
32	864	WScript.exe
33	864	WScript.exe
40	864	WScript.exe
44	864	WScript.exe
45	864	WScript.exe
46	864	WScript.exe
48	864	WScript.exe
49	864	WScript.exe
50	864	WScript.exe
52	864	WScript.exe
53	864	WScript.exe
54	864	WScript.exe
55	864	WScript.exe
57	864	WScript.exe
58	864	WScript.exe
59	864	WScript.exe
60	864	WScript.exe
62	864	WScript.exe
63	864	WScript.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ORDER432023.vbs	WScript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ORDER432023.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
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\software\microsoft\windows\currentversion\run	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ORDER432023 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\ORDER432023.vbs\""	WScript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ORDER432023 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\ORDER432023.vbs\""	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\ORDER432023.vbs"
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:864

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

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ORDER432023.vbs

Filesize
218KB

MD5
6ecd1b4c44ebec3bb195abc6e0aeb1fc

SHA1
d09b365dc98d35e3e53e49503184f38aa9efd9b5

SHA256
9dfca9429d741fb4b39d97c4d48e4c542193cc68930faead1c77e74f9bf3678f

SHA512
8974df412ee71fa4a54a702038bbcf45fa53ad439f8c8dfde84e3b15857f99560fbca44fd101fb13e649b647e888cf0fd0945fd83389ffe0f6c75a424baa3b0a

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