wshrat | 8f7d98aa6507d36a55f21687746b93034dd00c2e5a0c8af19dc3815b324fa194

Analysis

max time kernel
143s
max time network
149s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-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 12 IoCs

Processes:

wscript.exe

flow	pid	process
4	1628	wscript.exe
6	1628	wscript.exe
7	1628	wscript.exe
8	1628	wscript.exe
10	1628	wscript.exe
12	1628	wscript.exe
13	1628	wscript.exe
14	1628	wscript.exe
16	1628	wscript.exe
17	1628	wscript.exe
20	1628	wscript.exe
21	1628	wscript.exe

Drops startup file 2 IoCs

Processes:

wscript.exewscript.exe

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

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

System Information Discovery
T1082

flow	ioc
3	ip-api.com

Script User-Agent 9 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	16	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	6	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	7	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	8	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	10	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	12	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	14	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	20	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	21	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 1476 wrote to memory of 1628	1476	wscript.exe	wscript.exe
PID 1476 wrote to memory of 1628	1476	wscript.exe	wscript.exe
PID 1476 wrote to memory of 1628	1476	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Request For Quotation.js"
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:1476

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:1628

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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