wshrat | 582ea24cd2052b74375774919a7e1f0de80e4bf9884234b26cb417502c1d2a74

General

Target

6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a.js
Size

899KB
MD5

7fc3ab727001bb3f552bee872b7c90a7
SHA1

f0fa0bdb338ecb45308bc83718559265077b9a86
SHA256

6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a
SHA512

13711dca473fc99c572273189531d45d037858c7fb2406c5457e9244aec2c15bd3cf20c6307fe10606a2b1ce3af911d06390f71c93f44f554fdf19f4c82ec24a
SSDEEP

6144:QQ5r1A7G9u13eV4pO5SolqKCvOZYuHYKq/ofQZvN0+QPJkh3dqYB2r8YOdchB1VF:TJ

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 24 IoCs

flow	pid	Process
7	1584	wscript.exe
9	1584	wscript.exe
14	1584	wscript.exe
15	1584	wscript.exe
19	1584	wscript.exe
27	1584	wscript.exe
34	1584	wscript.exe
41	1584	wscript.exe
44	1584	wscript.exe
49	1584	wscript.exe
50	1584	wscript.exe
51	1584	wscript.exe
53	1584	wscript.exe
54	1584	wscript.exe
57	1584	wscript.exe
62	1584	wscript.exe
63	1584	wscript.exe
64	1584	wscript.exe
65	1584	wscript.exe
67	1584	wscript.exe
68	1584	wscript.exe
69	1584	wscript.exe
71	1584	wscript.exe
72	1584	wscript.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a.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
6	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 23 IoCs

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

description	flow	ioc
HTTP User-Agent header	27	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	51	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	54	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	65	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	62	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	63	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	67	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	19	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	49	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	50	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	53	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	57	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	71	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	9	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	41	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	64	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	68	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	72	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	14	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	15	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	34	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	44	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	69	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 27/5/2023\|JavaScript-v3.4\|IN:India

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 1584	2724	wscript.exe	82
PID 2724 wrote to memory of 1584	2724	wscript.exe	82

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a.js
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:1584

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a.js

Filesize
899KB

MD5
7fc3ab727001bb3f552bee872b7c90a7

SHA1
f0fa0bdb338ecb45308bc83718559265077b9a86

SHA256
6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a

SHA512
13711dca473fc99c572273189531d45d037858c7fb2406c5457e9244aec2c15bd3cf20c6307fe10606a2b1ce3af911d06390f71c93f44f554fdf19f4c82ec24a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a.js

Filesize
899KB

MD5
7fc3ab727001bb3f552bee872b7c90a7

SHA1
f0fa0bdb338ecb45308bc83718559265077b9a86

SHA256
6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a

SHA512
13711dca473fc99c572273189531d45d037858c7fb2406c5457e9244aec2c15bd3cf20c6307fe10606a2b1ce3af911d06390f71c93f44f554fdf19f4c82ec24a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a.js

Filesize
899KB

MD5
7fc3ab727001bb3f552bee872b7c90a7

SHA1
f0fa0bdb338ecb45308bc83718559265077b9a86

SHA256
6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a

SHA512
13711dca473fc99c572273189531d45d037858c7fb2406c5457e9244aec2c15bd3cf20c6307fe10606a2b1ce3af911d06390f71c93f44f554fdf19f4c82ec24a

Download Submit

Analysis

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