wshrat | 8addeade4351ffe1663f7c10977054eb460348480ba4fcaea34c20a7d6e7d9e4

General

Target

11252269963235765334.js
Size

21KB
MD5

ce7cfed3e965813a8050c46b5098ab9d
SHA1

aa788929ef8320180315421a8c79be2a539842eb
SHA256

8addeade4351ffe1663f7c10977054eb460348480ba4fcaea34c20a7d6e7d9e4
SHA512

379081eb4f5086b5d28d0be18304f756872827e04b65c45b46582feb53dfaa715aaa424fcd2b2d66423dc1d98623868ec65aff698bcde3367f046bfac0fa7cc2
SSDEEP

384:3/+tc8v+YhrKZKZXeX5U7CP9fD0eX5GrnB63vQOaSDsvkysjqFJ8TatW8TaUxTam:3/+tbv+YhdZXeXic9fD0eXknB6Y6Dsv7

Score

10^/10

wshrat persistence trojan

Malware Config

Extracted

Family

wshrat

C2

http://newjspeople.duckdns.org:9072

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	1668	wscript.exe
6	1668	wscript.exe
7	1668	wscript.exe
9	1668	wscript.exe
10	1668	wscript.exe
11	1668	wscript.exe
13	1668	wscript.exe
14	1668	wscript.exe
15	1668	wscript.exe
17	1668	wscript.exe
18	1668	wscript.exe
19	1668	wscript.exe
20	1668	wscript.exe
22	1668	wscript.exe
23	1668	wscript.exe
24	1668	wscript.exe
26	1668	wscript.exe
27	1668	wscript.exe
28	1668	wscript.exe
30	1668	wscript.exe
31	1668	wscript.exe
32	1668	wscript.exe
34	1668	wscript.exe
35	1668	wscript.exe
36	1668	wscript.exe
38	1668	wscript.exe
39	1668	wscript.exe
40	1668	wscript.exe
42	1668	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\11252269963235765334.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\11252269963235765334.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-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Windows\CurrentVersion\Run\11252269963235765334 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\11252269963235765334.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\11252269963235765334 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\11252269963235765334.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Windows\CurrentVersion\Run\11252269963235765334 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\11252269963235765334.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\11252269963235765334 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\11252269963235765334.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 22 IoCs

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

description	flow	ioc
HTTP User-Agent header	11	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	32	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	35	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	38	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	40	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	6	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	7	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	30	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	31	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	34	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	10	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	17	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	28	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	36	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	42	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	14	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	18	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	13	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	15	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	39	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	4	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript
HTTP User-Agent header	9	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 15/9/2023\|JavaScript

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 1668	2972	wscript.exe	28
PID 2972 wrote to memory of 1668	2972	wscript.exe	28
PID 2972 wrote to memory of 1668	2972	wscript.exe	28

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\11252269963235765334.js
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\11252269963235765334.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  PID:1668

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\11252269963235765334.js

Filesize
21KB

MD5
ce7cfed3e965813a8050c46b5098ab9d

SHA1
aa788929ef8320180315421a8c79be2a539842eb

SHA256
8addeade4351ffe1663f7c10977054eb460348480ba4fcaea34c20a7d6e7d9e4

SHA512
379081eb4f5086b5d28d0be18304f756872827e04b65c45b46582feb53dfaa715aaa424fcd2b2d66423dc1d98623868ec65aff698bcde3367f046bfac0fa7cc2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\11252269963235765334.js

Filesize
21KB

MD5
ce7cfed3e965813a8050c46b5098ab9d

SHA1
aa788929ef8320180315421a8c79be2a539842eb

SHA256
8addeade4351ffe1663f7c10977054eb460348480ba4fcaea34c20a7d6e7d9e4

SHA512
379081eb4f5086b5d28d0be18304f756872827e04b65c45b46582feb53dfaa715aaa424fcd2b2d66423dc1d98623868ec65aff698bcde3367f046bfac0fa7cc2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\11252269963235765334.js

Filesize
21KB

MD5
ce7cfed3e965813a8050c46b5098ab9d

SHA1
aa788929ef8320180315421a8c79be2a539842eb

SHA256
8addeade4351ffe1663f7c10977054eb460348480ba4fcaea34c20a7d6e7d9e4

SHA512
379081eb4f5086b5d28d0be18304f756872827e04b65c45b46582feb53dfaa715aaa424fcd2b2d66423dc1d98623868ec65aff698bcde3367f046bfac0fa7cc2

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads