wshrat | 8b6a61f9e22244f006e883033cb69da1bdf6245b60fecfeff27a8d3b60f57cc3

Analysis

max time kernel
146s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
18/05/2023, 14:35

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General

Target

ORDER_230322.vbs
Size

250KB
MD5

2a76503660d140d0aa08bd758cb9c29c
SHA1

55c1ba23321e11c0298450fb9dfa1ccebdea2d86
SHA256

5f0329e51f347ca573ea69cd865bb03d0526d9e9e91477a4502a9fe35c3fbddf
SHA512

f50da5213bf53b02199a2d3c5c8d06643315bd939b5047bfe44a904b8cb45be22793155f9055e9529c3ebd1861d14ae39528a9914e841ab3a91c6540c29b7390
SSDEEP

768:19C8cPTeUGV5V4ky1rHHPskYROOowLXMJuzHHMH+HCo/LiGi2tl33xRXC:yR

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
9	2196	WScript.exe
18	2196	WScript.exe
20	2196	WScript.exe
22	2196	WScript.exe
31	2196	WScript.exe
33	2196	WScript.exe
41	2196	WScript.exe
45	2196	WScript.exe
50	2196	WScript.exe
51	2196	WScript.exe
52	2196	WScript.exe
53	2196	WScript.exe
55	2196	WScript.exe
56	2196	WScript.exe
59	2196	WScript.exe
61	2196	WScript.exe
62	2196	WScript.exe
63	2196	WScript.exe
64	2196	WScript.exe
66	2196	WScript.exe
67	2196	WScript.exe
68	2196	WScript.exe
69	2196	WScript.exe
71	2196	WScript.exe
72	2196	WScript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ORDER_230322.vbs	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ORDER_230322.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-1-5-21-144354903-2550862337-1367551827-1000\software\microsoft\windows\currentversion\run	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ORDER_230322 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\ORDER_230322.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_230322 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\ORDER_230322.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\ORDER_230322.vbs"
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:2196

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

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ORDER_230322.vbs

Filesize
250KB

MD5
2a76503660d140d0aa08bd758cb9c29c

SHA1
55c1ba23321e11c0298450fb9dfa1ccebdea2d86

SHA256
5f0329e51f347ca573ea69cd865bb03d0526d9e9e91477a4502a9fe35c3fbddf

SHA512
f50da5213bf53b02199a2d3c5c8d06643315bd939b5047bfe44a904b8cb45be22793155f9055e9529c3ebd1861d14ae39528a9914e841ab3a91c6540c29b7390

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