wshrat | 8f7d98aa6507d36a55f21687746b93034dd00c2e5a0c8af19dc3815b324fa194

Analysis

max time kernel
135s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
01-06-2023 14:55

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General

Target

Request For Quotation.js
Size

1.0MB
MD5

487375104a5fa7cb031f6da568ca65ec
SHA1

139429d45ba1f46d0bfe2d482b7f759239fa2b4a
SHA256

8f7d98aa6507d36a55f21687746b93034dd00c2e5a0c8af19dc3815b324fa194
SHA512

6cf4eb5a444f276ff9facce736a03226c8cd5e3245d969cf28af7130515f6b859afe178ceeedec9ff8f404ca14e1611ec64223aa5f72668f5bf1403c6b010264
SSDEEP

3072:QQ+8zkVUxDEuM3dQ45rhFGkBt6EURY3hPvx:QQ+8zkVUxDEuM3dFh

Score

10^/10

wshrat trojan

Malware Config

Extracted

Family

wshrat

http://harold.2waky.com:3609

Signatures

WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat
Blocklisted process makes network request 8 IoCs

Processes:

wscript.exe

flow pid process

9 368 wscript.exe
11 368 wscript.exe
25 368 wscript.exe
44 368 wscript.exe
45 368 wscript.exe
47 368 wscript.exe
48 368 wscript.exe
50 368 wscript.exe

flow	pid	process
9	368	wscript.exe
11	368	wscript.exe
25	368	wscript.exe
44	368	wscript.exe
45	368	wscript.exe
47	368	wscript.exe
48	368	wscript.exe
50	368	wscript.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

wscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 2 IoCs

Processes:

wscript.exewscript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Request For Quotation.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Request For Quotation.js	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.

Processes:

flow ioc

8 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

flow	ioc
8	ip-api.com

Script User-Agent 6 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	25	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	44	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	45	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	47	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	48	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	50	WSHRAT\|A0A385EE\|LYVTYGSI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 2192 wrote to memory of 368	2192	wscript.exe	wscript.exe
PID 2192 wrote to memory of 368	2192	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Request For Quotation.js"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2192

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Request For Quotation.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
PID:368

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Request For Quotation.js
Filesize
1.0MB

MD5
487375104a5fa7cb031f6da568ca65ec

SHA1
139429d45ba1f46d0bfe2d482b7f759239fa2b4a

SHA256
8f7d98aa6507d36a55f21687746b93034dd00c2e5a0c8af19dc3815b324fa194

SHA512
6cf4eb5a444f276ff9facce736a03226c8cd5e3245d969cf28af7130515f6b859afe178ceeedec9ff8f404ca14e1611ec64223aa5f72668f5bf1403c6b010264

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Request For Quotation.js
Filesize
1.0MB

MD5
487375104a5fa7cb031f6da568ca65ec

SHA1
139429d45ba1f46d0bfe2d482b7f759239fa2b4a

SHA256
8f7d98aa6507d36a55f21687746b93034dd00c2e5a0c8af19dc3815b324fa194

SHA512
6cf4eb5a444f276ff9facce736a03226c8cd5e3245d969cf28af7130515f6b859afe178ceeedec9ff8f404ca14e1611ec64223aa5f72668f5bf1403c6b010264

Download Submit
C:\Users\Admin\AppData\Roaming\Request For Quotation.js
Filesize
1.0MB

MD5
487375104a5fa7cb031f6da568ca65ec

SHA1
139429d45ba1f46d0bfe2d482b7f759239fa2b4a

SHA256
8f7d98aa6507d36a55f21687746b93034dd00c2e5a0c8af19dc3815b324fa194

SHA512
6cf4eb5a444f276ff9facce736a03226c8cd5e3245d969cf28af7130515f6b859afe178ceeedec9ff8f404ca14e1611ec64223aa5f72668f5bf1403c6b010264

Download Submit