wshrat | febb058976fa7da37593ac4e0349c4ec36c7be0aab8e5189eef5f371e8b85202

Analysis

max time kernel
146s
max time network
147s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01-05-2024 06:41

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General

Target

01052024_0641_ops.txt.js
Size

1.0MB
MD5

42daa7bdf868134ceab8d25811a002d4
SHA1

84a272ef955d083506ffcc5e26b3c31d534e6a3c
SHA256

febb058976fa7da37593ac4e0349c4ec36c7be0aab8e5189eef5f371e8b85202
SHA512

fce466ee3309c5e2f47120f01b723653a48fb92a10d32f4211eb671b61bfbbf875657ac034afa662b2e86942fbaa737146cb0a0a54d93376729b75e0f38841b4
SSDEEP

24576:91fVMfI63FPav4bmlaTKj+OosGdZIGoWg3eIjWbmXCWHYkH1uYTGDM:LfSfI63FPavibujHosGdGpBeIibmXCuR

Score

10^/10

wshrat persistence trojan

Malware Config

Extracted

Family

wshrat

http://masterokrwh.duckdns.org:7963

Signatures

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

Blocklisted process makes network request 31 IoCs

flow	pid	Process
3	2752	wscript.exe
4	2752	wscript.exe
8	2752	wscript.exe
10	2752	wscript.exe
11	2752	wscript.exe
12	2752	wscript.exe
14	2752	wscript.exe
15	2752	wscript.exe
16	2752	wscript.exe
18	2752	wscript.exe
19	2752	wscript.exe
20	2752	wscript.exe
22	2752	wscript.exe
23	2752	wscript.exe
24	2752	wscript.exe
26	2752	wscript.exe
27	2752	wscript.exe
28	2752	wscript.exe
30	2752	wscript.exe
31	2752	wscript.exe
32	2752	wscript.exe
34	2752	wscript.exe
35	2752	wscript.exe
36	2752	wscript.exe
38	2752	wscript.exe
39	2752	wscript.exe
40	2752	wscript.exe
42	2752	wscript.exe
43	2752	wscript.exe
44	2752	wscript.exe
46	2752	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\01052024_0641_ops.txt.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\01052024_0641_ops.txt.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_0641_ops = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\01052024_0641_ops.txt.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\01052024_0641_ops = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\01052024_0641_ops.txt.js\""	wscript.exe

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

Web Service

T1102

flow	ioc
4	pastebin.com
2	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 30 IoCs

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

description	flow	ioc
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	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	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	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	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	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	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	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	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	3	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	4	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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_0641_ops.txt.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:2752

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_0641_ops.txt.js

Filesize
1.0MB

MD5
42daa7bdf868134ceab8d25811a002d4

SHA1
84a272ef955d083506ffcc5e26b3c31d534e6a3c

SHA256
febb058976fa7da37593ac4e0349c4ec36c7be0aab8e5189eef5f371e8b85202

SHA512
fce466ee3309c5e2f47120f01b723653a48fb92a10d32f4211eb671b61bfbbf875657ac034afa662b2e86942fbaa737146cb0a0a54d93376729b75e0f38841b4

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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