wshrat | 0f860c0525fc35fafd22e282bc67c688828db9b53b1fb372f8953a2be5fd6f06

General

Target

Request For Quotation.js
Size

922KB
MD5

df16341b546c4513907c10ebe3e5baed
SHA1

6a36f75cf6f766fe916479f293424bfeb5e22fd2
SHA256

0f860c0525fc35fafd22e282bc67c688828db9b53b1fb372f8953a2be5fd6f06
SHA512

e395866def96a00a6ba1d7481a84c5d078dede83c3f25d5a80b82e326f70c7033a184553b2046522aa2a68da8fb59efa28b708f292ad4c2881c552bc39d1adc2
SSDEEP

6144:QQ2zjyhcHCrvrmbQXG9q8liIszutQEHQEBkxkN23pHC2vyLfSjHvPcY/4JGG3Yc2:TWXa0i

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 18 IoCs

flow	pid	Process
4	516	wscript.exe
6	516	wscript.exe
7	516	wscript.exe
8	516	wscript.exe
10	516	wscript.exe
12	516	wscript.exe
13	516	wscript.exe
15	516	wscript.exe
16	516	wscript.exe
17	516	wscript.exe
19	516	wscript.exe
20	516	wscript.exe
21	516	wscript.exe
23	516	wscript.exe
24	516	wscript.exe
25	516	wscript.exe
27	516	wscript.exe
28	516	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 17 IoCs

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

description	flow	ioc
HTTP User-Agent header	17	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	20	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	8	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	28	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	24	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	7	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	10	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	12	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	19	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	23	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	25	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	27	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	6	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	15	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	16	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	21	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	13	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 516	836	wscript.exe	29
PID 836 wrote to memory of 516	836	wscript.exe	29
PID 836 wrote to memory of 516	836	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:836
- 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:516

Network

MITRE ATT&CK Enterprise v6

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
922KB

MD5
df16341b546c4513907c10ebe3e5baed

SHA1
6a36f75cf6f766fe916479f293424bfeb5e22fd2

SHA256
0f860c0525fc35fafd22e282bc67c688828db9b53b1fb372f8953a2be5fd6f06

SHA512
e395866def96a00a6ba1d7481a84c5d078dede83c3f25d5a80b82e326f70c7033a184553b2046522aa2a68da8fb59efa28b708f292ad4c2881c552bc39d1adc2

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

Filesize
922KB

MD5
df16341b546c4513907c10ebe3e5baed

SHA1
6a36f75cf6f766fe916479f293424bfeb5e22fd2

SHA256
0f860c0525fc35fafd22e282bc67c688828db9b53b1fb372f8953a2be5fd6f06

SHA512
e395866def96a00a6ba1d7481a84c5d078dede83c3f25d5a80b82e326f70c7033a184553b2046522aa2a68da8fb59efa28b708f292ad4c2881c552bc39d1adc2

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

Filesize
922KB

MD5
df16341b546c4513907c10ebe3e5baed

SHA1
6a36f75cf6f766fe916479f293424bfeb5e22fd2

SHA256
0f860c0525fc35fafd22e282bc67c688828db9b53b1fb372f8953a2be5fd6f06

SHA512
e395866def96a00a6ba1d7481a84c5d078dede83c3f25d5a80b82e326f70c7033a184553b2046522aa2a68da8fb59efa28b708f292ad4c2881c552bc39d1adc2

Download Submit

Analysis

Sharing