wshrat | 9e7e1150a44950c4e0227ee843b51750167e60f57a1a1e93eafdddd973d95c90

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01-05-2024 03:06

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General

Target

01052024_0305_Promotion_(PO_3078320)_2024_04_29.js
Size

1.4MB
MD5

bea0edf272ae661cdec8fb350557a776
SHA1

1b204c187effc16ad30c0baa8e1a3bf45fb487a2
SHA256

9e7e1150a44950c4e0227ee843b51750167e60f57a1a1e93eafdddd973d95c90
SHA512

29572355eadad7e46c298971ec517a8a5805575a7654e7070ea929b03297c2700639cacdcc931c9f7af1d7399ee84f6d43ff1b66b6a66c5e43b1e289f4e08cf2
SSDEEP

12288:cixpS0xsV88+YvwCPAtTEmWOFCx4ngiNEXxSHZQPFEfaqNe7znG/PCtZCbhL5GSE:ggFcj6CvG39H5sNWNOlxxTEg

Score

10^/10

wshrat persistence trojan

Malware Config

Extracted

Family

wshrat

http://masterokrwh.duckdns.org:8426

Signatures

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

Blocklisted process makes network request 32 IoCs

flow	pid	Process
3	2204	wscript.exe
4	2204	wscript.exe
8	2204	wscript.exe
10	2204	wscript.exe
11	2204	wscript.exe
12	2204	wscript.exe
14	2204	wscript.exe
15	2204	wscript.exe
16	2204	wscript.exe
18	2204	wscript.exe
19	2204	wscript.exe
20	2204	wscript.exe
22	2204	wscript.exe
23	2204	wscript.exe
24	2204	wscript.exe
26	2204	wscript.exe
27	2204	wscript.exe
28	2204	wscript.exe
30	2204	wscript.exe
31	2204	wscript.exe
32	2204	wscript.exe
34	2204	wscript.exe
35	2204	wscript.exe
36	2204	wscript.exe
38	2204	wscript.exe
39	2204	wscript.exe
40	2204	wscript.exe
42	2204	wscript.exe
43	2204	wscript.exe
44	2204	wscript.exe
46	2204	wscript.exe
47	2204	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\01052024_0305_Promotion_(PO_3078320)_2024_04_29.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\01052024_0305_Promotion_(PO_3078320)_2024_04_29.js	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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\01052024_0305_Promotion_(PO_3078320)_2024_04_29 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\01052024_0305_Promotion_(PO_3078320)_2024_04_29.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\01052024_0305_Promotion_(PO_3078320)_2024_04_29 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\01052024_0305_Promotion_(PO_3078320)_2024_04_29.js\""	wscript.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
2	pastebin.com
4	pastebin.com

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
7	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 31 IoCs

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

description	flow	ioc
HTTP User-Agent header	26	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	27	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	44	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	3	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	15	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	19	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	31	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	47	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	11	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	24	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	28	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	32	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	35	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	42	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	39	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	12	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	16	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	30	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	34	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	40	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	10	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	18	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	23	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	46	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	14	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	20	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	22	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	36	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	43	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	38	WSHRAT\|D0F97DBD\|IZKCKOTP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/5/2024\|JavaScript-v3.4\|GB:United Kingdom

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\01052024_0305_Promotion_(PO_3078320)_2024_04_29.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:2204

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

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\01052024_0305_Promotion_(PO_3078320)_2024_04_29.js

Filesize
1.4MB

MD5
bea0edf272ae661cdec8fb350557a776

SHA1
1b204c187effc16ad30c0baa8e1a3bf45fb487a2

SHA256
9e7e1150a44950c4e0227ee843b51750167e60f57a1a1e93eafdddd973d95c90

SHA512
29572355eadad7e46c298971ec517a8a5805575a7654e7070ea929b03297c2700639cacdcc931c9f7af1d7399ee84f6d43ff1b66b6a66c5e43b1e289f4e08cf2

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads