wshrat | 284839414beba349dfacfb02f8da76431513a9f072877d6cd9b783c60d8510fb

General

Target

Request For Quotation(RFQ).js
Size

946KB
MD5

70ebc4c266527efd8a70e6ff259d0ce1
SHA1

44209fe366081d1a1191f7b7dbfd27f34e23d755
SHA256

284839414beba349dfacfb02f8da76431513a9f072877d6cd9b783c60d8510fb
SHA512

72c742233a0d59777519c3b03af553bd43097d8d54782a8215343b6b01f48ba001dfe66d1210a1486808568db620a6277b78417621780e5483152b7c4d84ce3d
SSDEEP

6144:QQ7Eqk/qylpe5u9cyON5Q5iOG7xKMBjEZcqjIfgSPyDlLnMC31I1lvERmcfbqPo5:TGF

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 14 IoCs

flow	pid	Process
8	4648	wscript.exe
10	4648	wscript.exe
22	4648	wscript.exe
29	4648	wscript.exe
40	4648	wscript.exe
41	4648	wscript.exe
42	4648	wscript.exe
45	4648	wscript.exe
49	4648	wscript.exe
52	4648	wscript.exe
53	4648	wscript.exe
54	4648	wscript.exe
60	4648	wscript.exe
61	4648	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(RFQ).js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Request For Quotation(RFQ).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
7	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 13 IoCs

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

description	flow	ioc
HTTP User-Agent header	42	WSHRAT\|B000C75D\|LMMMEQUO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 10/8/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	45	WSHRAT\|B000C75D\|LMMMEQUO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 10/8/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	52	WSHRAT\|B000C75D\|LMMMEQUO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 10/8/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	54	WSHRAT\|B000C75D\|LMMMEQUO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 10/8/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	60	WSHRAT\|B000C75D\|LMMMEQUO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 10/8/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	10	WSHRAT\|B000C75D\|LMMMEQUO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 10/8/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	22	WSHRAT\|B000C75D\|LMMMEQUO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 10/8/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	41	WSHRAT\|B000C75D\|LMMMEQUO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 10/8/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	61	WSHRAT\|B000C75D\|LMMMEQUO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 10/8/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	53	WSHRAT\|B000C75D\|LMMMEQUO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 10/8/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	29	WSHRAT\|B000C75D\|LMMMEQUO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 10/8/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	40	WSHRAT\|B000C75D\|LMMMEQUO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 10/8/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	49	WSHRAT\|B000C75D\|LMMMEQUO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 10/8/2023\|JavaScript-v3.4\|NL:Netherlands

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 4648	2800	wscript.exe	83
PID 2800 wrote to memory of 4648	2800	wscript.exe	83

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Request For Quotation(RFQ).js"
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Request For Quotation(RFQ).js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:4648

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

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Downloads

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

Filesize
946KB

MD5
70ebc4c266527efd8a70e6ff259d0ce1

SHA1
44209fe366081d1a1191f7b7dbfd27f34e23d755

SHA256
284839414beba349dfacfb02f8da76431513a9f072877d6cd9b783c60d8510fb

SHA512
72c742233a0d59777519c3b03af553bd43097d8d54782a8215343b6b01f48ba001dfe66d1210a1486808568db620a6277b78417621780e5483152b7c4d84ce3d

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

Filesize
946KB

MD5
70ebc4c266527efd8a70e6ff259d0ce1

SHA1
44209fe366081d1a1191f7b7dbfd27f34e23d755

SHA256
284839414beba349dfacfb02f8da76431513a9f072877d6cd9b783c60d8510fb

SHA512
72c742233a0d59777519c3b03af553bd43097d8d54782a8215343b6b01f48ba001dfe66d1210a1486808568db620a6277b78417621780e5483152b7c4d84ce3d

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

Filesize
946KB

MD5
70ebc4c266527efd8a70e6ff259d0ce1

SHA1
44209fe366081d1a1191f7b7dbfd27f34e23d755

SHA256
284839414beba349dfacfb02f8da76431513a9f072877d6cd9b783c60d8510fb

SHA512
72c742233a0d59777519c3b03af553bd43097d8d54782a8215343b6b01f48ba001dfe66d1210a1486808568db620a6277b78417621780e5483152b7c4d84ce3d

Download Submit

Analysis

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