wshrat | 8cae71910574fa96fdf20ddab8897e90d155e50036ddb2f3d033a7b13a45b90f

General

Target

Request For Quotation.js
Size

926KB
MD5

d88e96b01cbe12a5dbaefd28ccfcc7dc
SHA1

d1c01512b187176428440463eaae7b7d5be2aabf
SHA256

8cae71910574fa96fdf20ddab8897e90d155e50036ddb2f3d033a7b13a45b90f
SHA512

1dc22521994a390b97ad7e7880f1812b865a22b5c5681bacc3870f37baae37f2772e071f68a6a7b1669664f2c00d0f7c96d8815601bdcef69c43d008da348388
SSDEEP

6144:QQbl/QgzB5SMaGRnxrga5gxa17U7ck9d8JDr+DNgMPiColqGYXY/i/Dz9rcgVfEn:TNLfp

Score

10^/10

wshrat trojan

Malware Config

Extracted

Family

wshrat

C2

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 15 IoCs

flow	pid	Process
4	2116	wscript.exe
6	2116	wscript.exe
8	2116	wscript.exe
9	2116	wscript.exe
11	2116	wscript.exe
12	2116	wscript.exe
13	2116	wscript.exe
15	2116	wscript.exe
16	2116	wscript.exe
17	2116	wscript.exe
19	2116	wscript.exe
20	2116	wscript.exe
21	2116	wscript.exe
23	2116	wscript.exe
24	2116	wscript.exe

Drops startup file 2 IoCs

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.

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

Script User-Agent 14 IoCs

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

description	flow	ioc
HTTP User-Agent header	8	WSHRAT\|5417AB95\|DSWJWADP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 21/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	16	WSHRAT\|5417AB95\|DSWJWADP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 21/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	17	WSHRAT\|5417AB95\|DSWJWADP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 21/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	9	WSHRAT\|5417AB95\|DSWJWADP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 21/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	12	WSHRAT\|5417AB95\|DSWJWADP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 21/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	13	WSHRAT\|5417AB95\|DSWJWADP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 21/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	19	WSHRAT\|5417AB95\|DSWJWADP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 21/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	20	WSHRAT\|5417AB95\|DSWJWADP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 21/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	24	WSHRAT\|5417AB95\|DSWJWADP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 21/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	21	WSHRAT\|5417AB95\|DSWJWADP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 21/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	23	WSHRAT\|5417AB95\|DSWJWADP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 21/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	6	WSHRAT\|5417AB95\|DSWJWADP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 21/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	11	WSHRAT\|5417AB95\|DSWJWADP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 21/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	15	WSHRAT\|5417AB95\|DSWJWADP\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 21/7/2023\|JavaScript-v3.4\|NL:Netherlands

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 2116	1660	wscript.exe	29
PID 1660 wrote to memory of 2116	1660	wscript.exe	29
PID 1660 wrote to memory of 2116	1660	wscript.exe	29

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:1660
- 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:2116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
926KB

MD5
a6ef227370b32ca1b0d7567e172d5975

SHA1
7f1abd26e34c2dbdf0e998217a7cca34cdfe466a

SHA256
bde1c48442710e851f6e06d0363da0e8debbbc1ab08145d0f11ddc00af754c94

SHA512
7b2699a35f87efe41a7290020689016c8c590551e264dc4029720195a22ce4b891d86d88c97b47127ed5163ec066d2653359ba8969189575f4493488326e1b33

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

Filesize
926KB

MD5
d88e96b01cbe12a5dbaefd28ccfcc7dc

SHA1
d1c01512b187176428440463eaae7b7d5be2aabf

SHA256
8cae71910574fa96fdf20ddab8897e90d155e50036ddb2f3d033a7b13a45b90f

SHA512
1dc22521994a390b97ad7e7880f1812b865a22b5c5681bacc3870f37baae37f2772e071f68a6a7b1669664f2c00d0f7c96d8815601bdcef69c43d008da348388

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

Filesize
926KB

MD5
d88e96b01cbe12a5dbaefd28ccfcc7dc

SHA1
d1c01512b187176428440463eaae7b7d5be2aabf

SHA256
8cae71910574fa96fdf20ddab8897e90d155e50036ddb2f3d033a7b13a45b90f

SHA512
1dc22521994a390b97ad7e7880f1812b865a22b5c5681bacc3870f37baae37f2772e071f68a6a7b1669664f2c00d0f7c96d8815601bdcef69c43d008da348388

Download Submit

Analysis

Sharing