wshrat | 1c546a6548beda639640ebfbb52abd5f6013c33500172cfccf0e8716c96bb196

Analysis

max time kernel
145s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 16:35

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General

Target

230507-k7njaafd9x.vbs
Size

527KB
MD5

8faf36edfae1ec0e8eccd3c562c03903
SHA1

0c44c3c6291c67c4eae6e1f8238f098adaee1a32
SHA256

1c546a6548beda639640ebfbb52abd5f6013c33500172cfccf0e8716c96bb196
SHA512

a54ea5e74c1320259b23d43e2eaadf83cf0705306df6dd1ba4bd4e9d77889d04449aa5161ad33165814a8b0f7baf41567537b721a048222f655216d1efdca56b
SSDEEP

384:Lu1hvWiWMmkNULg4viK3Ai44MXziJGUSJ0Pw6qVskjhj6Zxc6Xx0f3+hFx+gItIL:cvO

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
14	2636	WScript.exe
23	2636	WScript.exe
30	2636	WScript.exe
35	2636	WScript.exe
38	2636	WScript.exe
43	2636	WScript.exe
53	2636	WScript.exe
57	2636	WScript.exe
58	2636	WScript.exe
59	2636	WScript.exe
60	2636	WScript.exe
61	2636	WScript.exe
68	2636	WScript.exe
69	2636	WScript.exe
70	2636	WScript.exe
71	2636	WScript.exe
72	2636	WScript.exe
73	2636	WScript.exe
74	2636	WScript.exe
75	2636	WScript.exe
76	2636	WScript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\230507-k7njaafd9x.vbs	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\230507-k7njaafd9x.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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\230507-k7njaafd9x = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\230507-k7njaafd9x.vbs\""	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\230507-k7njaafd9x = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\230507-k7njaafd9x.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\230507-k7njaafd9x.vbs"
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:2636

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\230507-k7njaafd9x.vbs

Filesize
527KB

MD5
8faf36edfae1ec0e8eccd3c562c03903

SHA1
0c44c3c6291c67c4eae6e1f8238f098adaee1a32

SHA256
1c546a6548beda639640ebfbb52abd5f6013c33500172cfccf0e8716c96bb196

SHA512
a54ea5e74c1320259b23d43e2eaadf83cf0705306df6dd1ba4bd4e9d77889d04449aa5161ad33165814a8b0f7baf41567537b721a048222f655216d1efdca56b

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads