wshrat | af8168e035939256e97650454e425e61c561576570f82bc440327a2347d8966a

Analysis

max time kernel
132s
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

926KB
MD5

e1fce1614b7ce17de7b7de01ebcbf1a9
SHA1

83ca60f9e8e25437881338b8af9f8136b4925980
SHA256

af8168e035939256e97650454e425e61c561576570f82bc440327a2347d8966a
SHA512

6b9ba0e52ca0247d85aed3f3f4e00b294e595ddcb118992dc4cb315513dbb50188d7064a044b329b029929ddb5c1da7500a30de23a1d3e0de35385b4950bf66d
SSDEEP

6144:QQPrN4dEtorFCPqFnJKw1KYWn8b69Va0qP2XEhvv0QQpv+HtXoQZybO2slkTZJ3b:TuWUrA

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 7 IoCs

Processes:

wscript.exe

flow pid process

4 1352 wscript.exe
6 1352 wscript.exe
8 1352 wscript.exe
9 1352 wscript.exe
11 1352 wscript.exe
12 1352 wscript.exe
13 1352 wscript.exe

flow	pid	process
4	1352	wscript.exe
6	1352	wscript.exe
8	1352	wscript.exe
9	1352	wscript.exe
11	1352	wscript.exe
12	1352	wscript.exe
13	1352	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 3 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	9	WSHRAT\|945C4F3A\|THEQWNRW\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	12	WSHRAT\|945C4F3A\|THEQWNRW\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	13	WSHRAT\|945C4F3A\|THEQWNRW\|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 1732 wrote to memory of 1352	1732	wscript.exe	wscript.exe
PID 1732 wrote to memory of 1352	1732	wscript.exe	wscript.exe
PID 1732 wrote to memory of 1352	1732	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:1732

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:1352

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
Filesize
926KB

MD5
e1fce1614b7ce17de7b7de01ebcbf1a9

SHA1
83ca60f9e8e25437881338b8af9f8136b4925980

SHA256
af8168e035939256e97650454e425e61c561576570f82bc440327a2347d8966a

SHA512
6b9ba0e52ca0247d85aed3f3f4e00b294e595ddcb118992dc4cb315513dbb50188d7064a044b329b029929ddb5c1da7500a30de23a1d3e0de35385b4950bf66d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Request For Quotation.js
Filesize
926KB

MD5
e1fce1614b7ce17de7b7de01ebcbf1a9

SHA1
83ca60f9e8e25437881338b8af9f8136b4925980

SHA256
af8168e035939256e97650454e425e61c561576570f82bc440327a2347d8966a

SHA512
6b9ba0e52ca0247d85aed3f3f4e00b294e595ddcb118992dc4cb315513dbb50188d7064a044b329b029929ddb5c1da7500a30de23a1d3e0de35385b4950bf66d

Download Submit
C:\Users\Admin\AppData\Roaming\Request For Quotation.js
Filesize
926KB

MD5
e1fce1614b7ce17de7b7de01ebcbf1a9

SHA1
83ca60f9e8e25437881338b8af9f8136b4925980

SHA256
af8168e035939256e97650454e425e61c561576570f82bc440327a2347d8966a

SHA512
6b9ba0e52ca0247d85aed3f3f4e00b294e595ddcb118992dc4cb315513dbb50188d7064a044b329b029929ddb5c1da7500a30de23a1d3e0de35385b4950bf66d

Download Submit