wshrat | 246e8fe7a99ace6d57abbd8f66e1bced65f68cd81f08f7229b478b2ef7b38274

General

Target

5684eaf9be940a6d7c5a559182c8d54b46151de46c72b60bf1c1112e2aeb9e4b.js
Size

187KB
MD5

36c7ea69a51fdcb7eb3b66eafbbcf516
SHA1

8a81452869a67d8abfe5f2165b3475286274139e
SHA256

5684eaf9be940a6d7c5a559182c8d54b46151de46c72b60bf1c1112e2aeb9e4b
SHA512

2c99f20c1b4c2796501c03ea78d6704efab1fda7e4356d35797e1ac853dd7b0cff6378d6af5250f65daa855bb46591d5902b6cab3332501c24faba018c7ac4f3
SSDEEP

3072:nrVZAmAl1luVkQS7bURCwbIpklgVDSxGfmuZrvEzs8ZPr+eGK/68Q0bamqg:rVZAmAl1luVkQS8RCuAklgF2GuuZTXe7

Score

10^/10

wshrat persistence trojan

Malware Config

Extracted

Family

wshrat

C2

http://wshh.ourhobby.com:2084

Signatures

WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat

WSHRAT payload 1 IoCs

resource	yara_rule
behavioral2/files/0x0009000000023158-138.dat	family_wshrat

Blocklisted process makes network request 28 IoCs

flow	pid	Process
7	2288	wscript.exe
10	2288	wscript.exe
24	2288	wscript.exe
26	2288	wscript.exe
33	2288	wscript.exe
35	2288	wscript.exe
36	2288	wscript.exe
38	2288	wscript.exe
41	2288	wscript.exe
45	2288	wscript.exe
47	2288	wscript.exe
51	2288	wscript.exe
53	2288	wscript.exe
54	2288	wscript.exe
56	2288	wscript.exe
57	2288	wscript.exe
58	2288	wscript.exe
59	2288	wscript.exe
61	2288	wscript.exe
62	2288	wscript.exe
63	2288	wscript.exe
65	2288	wscript.exe
66	2288	wscript.exe
67	2288	wscript.exe
68	2288	wscript.exe
70	2288	wscript.exe
71	2288	wscript.exe
72	2288	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5684eaf9be940a6d7c5a559182c8d54b46151de46c72b60bf1c1112e2aeb9e4b.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5684eaf9be940a6d7c5a559182c8d54b46151de46c72b60bf1c1112e2aeb9e4b.js	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5684eaf9be940a6d7c5a559182c8d54b46151de46c72b60bf1c1112e2aeb9e4b = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\5684eaf9be940a6d7c5a559182c8d54b46151de46c72b60bf1c1112e2aeb9e4b.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5684eaf9be940a6d7c5a559182c8d54b46151de46c72b60bf1c1112e2aeb9e4b = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\5684eaf9be940a6d7c5a559182c8d54b46151de46c72b60bf1c1112e2aeb9e4b.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
6	ip-api.com

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

System Information Discovery
T1082

Script User-Agent 27 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	33	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	38	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	54	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	56	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	62	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	10	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	36	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	51	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	59	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	63	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	35	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	41	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	67	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	72	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	65	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	68	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	26	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	53	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	57	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	58	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	61	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	66	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	45	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	47	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	24	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	70	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	71	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 24/5/2023\|JavaScript-v3.4\|IN:India

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\5684eaf9be940a6d7c5a559182c8d54b46151de46c72b60bf1c1112e2aeb9e4b.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:2288

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5684eaf9be940a6d7c5a559182c8d54b46151de46c72b60bf1c1112e2aeb9e4b.js

Filesize
187KB

MD5
36c7ea69a51fdcb7eb3b66eafbbcf516

SHA1
8a81452869a67d8abfe5f2165b3475286274139e

SHA256
5684eaf9be940a6d7c5a559182c8d54b46151de46c72b60bf1c1112e2aeb9e4b

SHA512
2c99f20c1b4c2796501c03ea78d6704efab1fda7e4356d35797e1ac853dd7b0cff6378d6af5250f65daa855bb46591d5902b6cab3332501c24faba018c7ac4f3

Download Submit

Analysis

Sharing