wshrat | 61aea0e09f6bf0722ce9d516032d8d8dcc3e1a262a8a7c622f81158c12d55435

Analysis

max time kernel
146s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
18/02/2023, 13:31

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General

Target
ORDER-17886.vbs
Size 112KB
Sample230218-qsdcnacc77
SHA256 61aea0e09f6bf0722ce9d516032d8d8dcc3e1a262a8a7c622f81158c12d55435
MD5 6aaf489923e41a6a48c3c70bd33763d6
SHA1 7bfb6ea711609aad62819faefe54cb4ee207b670
SHA512 3335601dbe6dd6b53e78895c3fdc87e49962ad8653fc04d8b2ac8a215a5cc25c3e18871c25639f42b161fb3d01bcf5611a609a79385bfdc920236a1c8790c98f
SSDEEP 1536:AdkYPxC2uPxC2JPxC2iPxC2cUOxk5eRHUH5:Adk98
MD5 SHA1 SHA512 SSDEEP

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 26 IoCs

flow	pid	Process
11	4248	WScript.exe
18	4248	WScript.exe
19	4248	WScript.exe
27	4248	WScript.exe
28	4248	WScript.exe
33	4248	WScript.exe
39	4248	WScript.exe
40	4248	WScript.exe
41	4248	WScript.exe
44	4248	WScript.exe
45	4248	WScript.exe
49	4248	WScript.exe
50	4248	WScript.exe
51	4248	WScript.exe
52	4248	WScript.exe
54	4248	WScript.exe
55	4248	WScript.exe
56	4248	WScript.exe
57	4248	WScript.exe
58	4248	WScript.exe
59	4248	WScript.exe
60	4248	WScript.exe
61	4248	WScript.exe
62	4248	WScript.exe
63	4248	WScript.exe
64	4248	WScript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ORDER-17886.vbs	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ORDER-17886.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-1-5-21-4246620582-653642754-1174164128-1000\software\microsoft\windows\currentversion\run	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ORDER-17886 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\ORDER-17886.vbs\""	WScript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ORDER-17886 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\ORDER-17886.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\ORDER-17886.vbs"
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:4248

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

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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