wshrat | 1605ba6b37eeca60319c2a18a2004856d01b7563aa660793d229a80acbfa669b

General

Target

Quote.js
Size

1.5MB
MD5

7d2d391002b97ff0652b9148902b6abd
SHA1

142abb8196206209738c16b1da79e9773d349ba5
SHA256

1605ba6b37eeca60319c2a18a2004856d01b7563aa660793d229a80acbfa669b
SHA512

f6c1ecba496b65b8ff7f78b22e846db8dc1adceae21fd5f2ac8c0720a81cfee3c18b106d6b7cf844a47443bbf697b3c7966b795996bbc46c84ff1ad3a687ea1a
SSDEEP

6144:KQiFy0BCvRBHByGr0cr4lUGZB4By1jnld66nsleTosWDRC/Gjt5PzoArRT9S5ZTI:Z6VR7loaaf

Score

10^/10

wshrat discovery execution persistence trojan

Malware Config

Extracted

Family

wshrat

C2

http://37.48.102.22:2020

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
27	2400	wscript.exe
28	2400	wscript.exe
44	2400	wscript.exe
45	2400	wscript.exe
46	2400	wscript.exe
48	2400	wscript.exe
49	2400	wscript.exe
51	2400	wscript.exe
53	2400	wscript.exe
55	2400	wscript.exe
56	2400	wscript.exe
59	2400	wscript.exe
60	2400	wscript.exe
66	2400	wscript.exe
70	2400	wscript.exe
71	2400	wscript.exe
72	2400	wscript.exe
76	2400	wscript.exe
88	2400	wscript.exe
89	2400	wscript.exe
90	2400	wscript.exe
91	2400	wscript.exe
92	2400	wscript.exe
93	2400	wscript.exe

Checks computer location settings 2 TTPs 4 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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	keylogger.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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\Quote.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Quote.js	wscript.exe

Executes dropped EXE 2 IoCs

pid	Process
956	keylogger.exe
4668	vkl.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Quote = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Quote.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Quote = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Quote.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Quote = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Quote.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Quote = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Quote.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VKL-GBS0LE = "\"C:\\Users\\Admin\\AppData\\Roaming\\ViottoKeylogger\\vkl.exe\""	keylogger.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VKL-GBS0LE = "\"C:\\Users\\Admin\\AppData\\Roaming\\ViottoKeylogger\\vkl.exe\""	keylogger.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VKL-GBS0LE = "\"C:\\Users\\Admin\\AppData\\Roaming\\ViottoKeylogger\\vkl.exe\""	vkl.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VKL-GBS0LE = "\"C:\\Users\\Admin\\AppData\\Roaming\\ViottoKeylogger\\vkl.exe\""	vkl.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
26	ip-api.com

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	keylogger.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vkl.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\Local Settings	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\Local Settings	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\Local Settings	keylogger.exe

Runs .reg file with regedit 2 IoCs

pid	Process
3244	regedit.exe
2252	regedit.exe

Script User-Agent 18 IoCs

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

description	flow	ioc
HTTP User-Agent header	45	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	60	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	66	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	88	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	90	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	91	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	46	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	70	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	72	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	89	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	44	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	59	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	71	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	92	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	28	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	56	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	76	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	93	WSHRAT\|24025E54\|UTKBEBLO\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 17/10/2024\|JavaScript-v3.4\|GB:United Kingdom

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4668	vkl.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 64 wrote to memory of 3244	64	wscript.exe	83
PID 64 wrote to memory of 3244	64	wscript.exe	83
PID 64 wrote to memory of 2400	64	wscript.exe	97
PID 64 wrote to memory of 2400	64	wscript.exe	97
PID 2400 wrote to memory of 2252	2400	wscript.exe	98
PID 2400 wrote to memory of 2252	2400	wscript.exe	98
PID 2400 wrote to memory of 956	2400	wscript.exe	99
PID 2400 wrote to memory of 956	2400	wscript.exe	99
PID 2400 wrote to memory of 956	2400	wscript.exe	99
PID 956 wrote to memory of 2088	956	keylogger.exe	101
PID 956 wrote to memory of 2088	956	keylogger.exe	101
PID 956 wrote to memory of 2088	956	keylogger.exe	101
PID 2088 wrote to memory of 4688	2088	WScript.exe	102
PID 2088 wrote to memory of 4688	2088	WScript.exe	102
PID 2088 wrote to memory of 4688	2088	WScript.exe	102
PID 4688 wrote to memory of 4668	4688	cmd.exe	104
PID 4688 wrote to memory of 4668	4688	cmd.exe	104
PID 4688 wrote to memory of 4668	4688	cmd.exe	104

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Quote.js
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:64
- C:\Windows\regedit.exe
  "regedit.exe" "C:\Users\Admin\AppData\Local\Temp\ebgeaegdbdecaedfebace.reg"
  2⤵
  - Runs .reg file with regedit
  PID:3244
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Quote.js"
  2⤵
  - Blocklisted process makes network request
  - Checks computer location settings
  - Drops startup file
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Windows\regedit.exe
    "regedit.exe" "C:\Users\Admin\AppData\Local\Temp\ebgeaegdbdecaedfebace.reg"
    3⤵
    - Runs .reg file with regedit
    PID:2252
- - C:\Users\Admin\AppData\Roaming\keylogger.exe
    "C:\Users\Admin\AppData\Roaming\keylogger.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:956
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
      4⤵
      Checks computer location settings
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2088
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\ViottoKeylogger\vkl.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4688
      - C:\Users\Admin\AppData\Roaming\ViottoKeylogger\vkl.exe
        
        C:\Users\Admin\AppData\Roaming\ViottoKeylogger\vkl.exe
        6⤵
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:4668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

JavaScript

1

T1059.007

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

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\ebgeaegdbdecaedfebace.reg

Filesize
143B

MD5
0e5411d7ecba9a435afda71c6c39d8fd

SHA1
2d6812052bf7be1b5e213e1d813ae39faa07284c

SHA256
cb68d50df5817e51ec5b2f72893dc4c749bf3504519107e0a78dda84d55f09e2

SHA512
903ac6e5c8a12607af267b54bcbbedfa5542c5b4f7ea289ab7c6a32a424d5b846ae406d830cb4ad48e2b46f92c504163c0856af8c3e09685a8855f39f616ddb1

Download Submit
C:\Users\Admin\AppData\Local\Temp\install.vbs

Filesize
430B

MD5
f4111f61c6d6f585ad20f674592ea89f

SHA1
35a84b1a1ab37853ce54560fcc71bca91b0e3ca7

SHA256
7b74cf34df17a030bc08fc12d519bda615d38bfe322865fad474a2c2266c171c

SHA512
15c2629ff9366277e1cfed9532e01c7c254b2dad0683ac3e19be9a448ad9fe8f2b5b5e1813da7f79fa930aaa10862da02f58077488ee92c91576e37c23fe66df

Download Submit
C:\Users\Admin\AppData\Roaming\Quote.js

Filesize
1.5MB

MD5
7d2d391002b97ff0652b9148902b6abd

SHA1
142abb8196206209738c16b1da79e9773d349ba5

SHA256
1605ba6b37eeca60319c2a18a2004856d01b7563aa660793d229a80acbfa669b

SHA512
f6c1ecba496b65b8ff7f78b22e846db8dc1adceae21fd5f2ac8c0720a81cfee3c18b106d6b7cf844a47443bbf697b3c7966b795996bbc46c84ff1ad3a687ea1a

Download Submit
C:\Users\Admin\AppData\Roaming\keylogger.exe

Filesize
82KB

MD5
7d1ec62e7af8e03924a871a1043febbe

SHA1
753b472506fafb875217090d518040bc66a330ab

SHA256
69b5981fbff2fbd191b8c786da080b3783252742fe47d00d6012ce572dc32d7d

SHA512
f4e5945183c4e150525e7b4a3bd1150efb311694e00a31bf2e15491138d27877b2cb0d2bbbe0c90abf2e88f4a4ec54da412794379c3aa130d10b4f71115b3c8f

Download Submit
C:\Users\Admin\AppData\Roaming\log.txt

Filesize
168B

MD5
e0b6eeb58fbd7d7428ab458c24865d37

SHA1
a2ae56fb6d1241072a204b8f6b0c3f5d306c240e

SHA256
a5089e715201ef2611994bab4f103bdf85eba71a5f4b0b87d6eab490859c53e8

SHA512
ceb03f9cb0bc2507efc1874283f6ca02a0fccb7371b54450adb1c3921f720bad1f4ba2ab6fe603179b094a693cd38915cac94d0bf5f7d8726aeed1611d5263c2

Download Submit
memory/956-20-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/956-29-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4668-38-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4668-68-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads