wshrat | 61aea0e09f6bf0722ce9d516032d8d8dcc3e1a262a8a7c622f81158c12d55435

Analysis

max time kernel
147s
max time network
152s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
18-02-2023 13:31

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General

Target

ORDER-17886.vbs
Size

112KB
MD5

6aaf489923e41a6a48c3c70bd33763d6
SHA1

7bfb6ea711609aad62819faefe54cb4ee207b670
SHA256

61aea0e09f6bf0722ce9d516032d8d8dcc3e1a262a8a7c622f81158c12d55435
SHA512

3335601dbe6dd6b53e78895c3fdc87e49962ad8653fc04d8b2ac8a215a5cc25c3e18871c25639f42b161fb3d01bcf5611a609a79385bfdc920236a1c8790c98f
SSDEEP

1536:AdkYPxC2uPxC2JPxC2iPxC2cUOxk5eRHUH5:Adk98

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 21 IoCs

flow	pid	Process
4	1264	WScript.exe
5	1264	WScript.exe
6	1264	WScript.exe
9	1264	WScript.exe
10	1264	WScript.exe
11	1264	WScript.exe
13	1264	WScript.exe
14	1264	WScript.exe
15	1264	WScript.exe
17	1264	WScript.exe
18	1264	WScript.exe
19	1264	WScript.exe
21	1264	WScript.exe
22	1264	WScript.exe
23	1264	WScript.exe
25	1264	WScript.exe
26	1264	WScript.exe
27	1264	WScript.exe
29	1264	WScript.exe
30	1264	WScript.exe
31	1264	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-1-5-21-3385717845-2518323428-350143044-1000\software\microsoft\windows\currentversion\run	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\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:1264

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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