wshrat | a71299692434556a06c5bc37082b91bf7736311070556390fa34cedcd44cd976

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
20-04-2023 12:14

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General

Target

ORDER_231804_List.vbs
Size

249KB
MD5

6afc65fd8742615b1505ec80ed3b40f6
SHA1

5731e7270d31672ba15f038271d16da68d56e148
SHA256

173136a6c173363068e7d7d16907f7fa38ec0d717dff663057304ee54adde4d7
SHA512

74c54092827e8f9e386381c64a8639b8d58a4e42fc608fad2687a127e5395de99c99f543f760e40029f830daa63faf49ecc9847476d0514eaaa825605cc52e25
SSDEEP

768:se4mo/QE6/2eWU6c25NXZ1kSEHSTYeB/AiAkpjXnd/NC:Td2tHuSg

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 22 IoCs

flow	pid	Process
4	1384	WScript.exe
5	1384	WScript.exe
6	1384	WScript.exe
8	1384	WScript.exe
10	1384	WScript.exe
11	1384	WScript.exe
13	1384	WScript.exe
14	1384	WScript.exe
15	1384	WScript.exe
17	1384	WScript.exe
18	1384	WScript.exe
19	1384	WScript.exe
21	1384	WScript.exe
22	1384	WScript.exe
23	1384	WScript.exe
25	1384	WScript.exe
26	1384	WScript.exe
27	1384	WScript.exe
29	1384	WScript.exe
30	1384	WScript.exe
31	1384	WScript.exe
33	1384	WScript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ORDER_231804_List.vbs	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ORDER_231804_List.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-1-5-21-1283023626-844874658-3193756055-1000\software\microsoft\windows\currentversion\run	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows\CurrentVersion\Run\ORDER_231804_List = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\ORDER_231804_List.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_231804_List = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\ORDER_231804_List.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_231804_List.vbs"
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1384

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ORDER_231804_List.vbs

Filesize
249KB

MD5
6afc65fd8742615b1505ec80ed3b40f6

SHA1
5731e7270d31672ba15f038271d16da68d56e148

SHA256
173136a6c173363068e7d7d16907f7fa38ec0d717dff663057304ee54adde4d7

SHA512
74c54092827e8f9e386381c64a8639b8d58a4e42fc608fad2687a127e5395de99c99f543f760e40029f830daa63faf49ecc9847476d0514eaaa825605cc52e25

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