wshrat | 645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808

General

Target

645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808_JC.js
Size

21KB
MD5

c8f19fa9f346f7409e3bba98c1e3f058
SHA1

d857192d59c0ce2196925ce59436e0e36d94b6ee
SHA256

645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808
SHA512

cf214cd1c41ee8b42e1f1ea55d61802a1f35d89626406e02bed1874dfae15ccd24629c7ec2bf0686131691fdd8efefd4d91833afad6c3976fb908c69c4f2f326
SSDEEP

384:n/+tc8v+YhrKZKZXeX5U7CP9fD0eX5GrnB63vQOaSDsvkysjqFJ8TatW8TaUxTam:n/+tbv+YhdZXeXic9fD0eXknB6Y6Dsv7

Score

10^/10

wshrat persistence trojan

Malware Config

Extracted

Family

wshrat

C2

http://homesafe1000.duckdns.org:1604

Signatures

WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat

Blocklisted process makes network request 29 IoCs

flow	pid	Process
4	2456	wscript.exe
6	2456	wscript.exe
7	2456	wscript.exe
9	2456	wscript.exe
10	2456	wscript.exe
11	2456	wscript.exe
13	2456	wscript.exe
14	2456	wscript.exe
15	2456	wscript.exe
17	2456	wscript.exe
18	2456	wscript.exe
19	2456	wscript.exe
21	2456	wscript.exe
22	2456	wscript.exe
23	2456	wscript.exe
25	2456	wscript.exe
26	2456	wscript.exe
27	2456	wscript.exe
29	2456	wscript.exe
30	2456	wscript.exe
31	2456	wscript.exe
33	2456	wscript.exe
34	2456	wscript.exe
35	2456	wscript.exe
37	2456	wscript.exe
38	2456	wscript.exe
39	2456	wscript.exe
41	2456	wscript.exe
42	2456	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808_JC.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808_JC.js	wscript.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000\Software\Microsoft\Windows\CurrentVersion\Run\645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808_JC = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808_JC.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808_JC = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808_JC.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000\Software\Microsoft\Windows\CurrentVersion\Run\645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808_JC = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808_JC.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808_JC = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808_JC.js\""	wscript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Script User-Agent 29 IoCs

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

description	flow	ioc
HTTP User-Agent header	10	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	34	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	38	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	41	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	35	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	37	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	13	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	19	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	21	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	29	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	33	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	39	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	7	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	9	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	11	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	22	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	31	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	25	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	6	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	15	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	23	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	26	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	30	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	4	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	17	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	18	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	42	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	14	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	27	WSHRAT\|64631CBE\|GPFFWLPI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 2456	1704	wscript.exe	28
PID 1704 wrote to memory of 2456	1704	wscript.exe	28
PID 1704 wrote to memory of 2456	1704	wscript.exe	28

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808_JC.js
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808_JC.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  PID:2456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808_JC.js

Filesize
21KB

MD5
c8f19fa9f346f7409e3bba98c1e3f058

SHA1
d857192d59c0ce2196925ce59436e0e36d94b6ee

SHA256
645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808

SHA512
cf214cd1c41ee8b42e1f1ea55d61802a1f35d89626406e02bed1874dfae15ccd24629c7ec2bf0686131691fdd8efefd4d91833afad6c3976fb908c69c4f2f326

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808_JC.js

Filesize
21KB

MD5
c8f19fa9f346f7409e3bba98c1e3f058

SHA1
d857192d59c0ce2196925ce59436e0e36d94b6ee

SHA256
645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808

SHA512
cf214cd1c41ee8b42e1f1ea55d61802a1f35d89626406e02bed1874dfae15ccd24629c7ec2bf0686131691fdd8efefd4d91833afad6c3976fb908c69c4f2f326

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808_JC.js

Filesize
21KB

MD5
c8f19fa9f346f7409e3bba98c1e3f058

SHA1
d857192d59c0ce2196925ce59436e0e36d94b6ee

SHA256
645074638e8c896237a2340918cb99558103c717bbcb20a483651e6e242c5808

SHA512
cf214cd1c41ee8b42e1f1ea55d61802a1f35d89626406e02bed1874dfae15ccd24629c7ec2bf0686131691fdd8efefd4d91833afad6c3976fb908c69c4f2f326

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads