wshrat | 5ad4d5fb75a277e31b05e1a6f19c5fc3c007b5c2be03109d876ca457173a135a

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
19-08-2023 19:56

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General

Target

wpp.vbs
Size

257KB
MD5

d87d4c42c10f332a96aa10ffb455f49d
SHA1

c6167ce4e59f14ce826a50e8d32847101e5e9dc8
SHA256

5ad4d5fb75a277e31b05e1a6f19c5fc3c007b5c2be03109d876ca457173a135a
SHA512

d01c7072b7f9e85dbc8f160f0afc17116a5ec5039a1f07a9201d517d8029acc8f31b446ccd66f832eb5ea58c3e88db88b2e442c7965e0318af32852512c3aa8a
SSDEEP

384:GWbSLcLgOioL0XHys4KJPlTkXZ64SAzu7t7Q0TDh7O74DJxWO0K6dBjcOXoxAFuR:GZ8BcmuMwg4

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
4	2532	WScript.exe
6	2532	WScript.exe
7	2532	WScript.exe
9	2532	WScript.exe
10	2532	WScript.exe
11	2532	WScript.exe
13	2532	WScript.exe
14	2532	WScript.exe
15	2532	WScript.exe
17	2532	WScript.exe
18	2532	WScript.exe
19	2532	WScript.exe
21	2532	WScript.exe
22	2532	WScript.exe
23	2532	WScript.exe
25	2532	WScript.exe
26	2532	WScript.exe
27	2532	WScript.exe
29	2532	WScript.exe
30	2532	WScript.exe
31	2532	WScript.exe
33	2532	WScript.exe
34	2532	WScript.exe
35	2532	WScript.exe
37	2532	WScript.exe

Drops startup file 2 IoCs

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Windows\CurrentVersion\Run\wpp = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\wpp.vbs\""	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wpp = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\wpp.vbs\""	WScript.exe

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

System Information Discovery
T1082

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\wpp.vbs"
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:2532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
257KB

MD5
d87d4c42c10f332a96aa10ffb455f49d

SHA1
c6167ce4e59f14ce826a50e8d32847101e5e9dc8

SHA256
5ad4d5fb75a277e31b05e1a6f19c5fc3c007b5c2be03109d876ca457173a135a

SHA512
d01c7072b7f9e85dbc8f160f0afc17116a5ec5039a1f07a9201d517d8029acc8f31b446ccd66f832eb5ea58c3e88db88b2e442c7965e0318af32852512c3aa8a

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads