vjw0rm | 89a2a7815855b133037b34f1447fc79e5609e219a83acb670eea650d6cdb31ac

General

Target

Enquiry-1161222.js
Size

51KB
MD5

0ad118eb681ab6c9cd0fa88e91e98816
SHA1

66fb2386dd439a370cc9535b0b9178550f7664bd
SHA256

89a2a7815855b133037b34f1447fc79e5609e219a83acb670eea650d6cdb31ac
SHA512

cc58e92c3ccd0d3385702387059749f1d144de9d8aa346a5a6b9f34f00cc072a3cc7f6a09a3148e93b3ad52be2d11214bced685294acf69a7df8bd0085ca96a7
SSDEEP

768:d+6c/gBd6vKwkBpa4pUKuITIW4RqOtF4l8j/Oy1RG7JdMu6g9fzLVtHO8JPk0Jd:81CBYRfF4lE/Oy1fu6g9fPTHO8BXd

Score

10^/10

vjw0rm wshrat persistence trojan worm

Malware Config

Extracted

Family

wshrat

C2

http://185.222.57.147:1989

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat

Blocklisted process makes network request 36 IoCs

flow	pid	Process
26	4568	wscript.exe
28	1812	wscript.exe
29	1692	wscript.exe
34	4568	wscript.exe
41	1812	wscript.exe
42	1692	wscript.exe
43	4568	wscript.exe
48	4568	wscript.exe
49	4568	wscript.exe
50	4568	wscript.exe
51	4568	wscript.exe
54	1812	wscript.exe
55	1692	wscript.exe
56	4568	wscript.exe
57	4568	wscript.exe
58	4568	wscript.exe
59	4568	wscript.exe
60	4568	wscript.exe
61	4568	wscript.exe
62	1812	wscript.exe
63	1692	wscript.exe
64	4568	wscript.exe
70	4568	wscript.exe
71	4568	wscript.exe
72	4568	wscript.exe
73	1692	wscript.exe
74	1812	wscript.exe
75	4568	wscript.exe
76	4568	wscript.exe
77	4568	wscript.exe
78	4568	wscript.exe
79	4568	wscript.exe
80	4568	wscript.exe
81	1692	wscript.exe
82	1812	wscript.exe
83	4568	wscript.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 5 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Enquiry-1161222.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Enquiry-1161222.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AXAJDPjtkq.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AXAJDPjtkq.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AXAJDPjtkq.js	wscript.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Enquiry-1161222 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Enquiry-1161222.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Enquiry-1161222 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Enquiry-1161222.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Enquiry-1161222 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Enquiry-1161222.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Enquiry-1161222 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Enquiry-1161222.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe

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

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	56	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	72	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	76	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	80	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	26	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	43	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	70	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	71	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	75	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	77	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	78	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	57	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	61	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	59	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	79	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	49	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	58	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	51	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	60	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	64	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	83	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	48	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript
HTTP User-Agent header	50	WSHRAT\|94D95F5C\|GBQHURCC\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/10/2022\|JavaScript

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 372 wrote to memory of 1812	372	wscript.exe	81
PID 372 wrote to memory of 1812	372	wscript.exe	81
PID 372 wrote to memory of 4568	372	wscript.exe	82
PID 372 wrote to memory of 4568	372	wscript.exe	82
PID 4568 wrote to memory of 1692	4568	wscript.exe	83
PID 4568 wrote to memory of 1692	4568	wscript.exe	83

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Enquiry-1161222.js
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:372
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\AXAJDPjtkq.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:1812
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Enquiry-1161222.js"
  2⤵
  - Blocklisted process makes network request
  - Checks computer location settings
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4568
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\AXAJDPjtkq.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    PID:1692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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\AXAJDPjtkq.js

Filesize
10KB

MD5
ecea96b5108a497be1170a64b9cfbb4d

SHA1
4b7fde85644170c57b884b53a40c74f8029ae5ce

SHA256
27005c7ae911159dae0825df201001bfb873dba6c4c45cc87db23d0c46288c64

SHA512
4488ee6ac02232205dcd3f1f73929bb5305c34417be3efb6b999a43f2e19b1ed9be46c77f20e5203fc9cce9273574fc26d4aee7a7e09c1c65beebb3e7b193beb

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

Filesize
10KB

MD5
ecea96b5108a497be1170a64b9cfbb4d

SHA1
4b7fde85644170c57b884b53a40c74f8029ae5ce

SHA256
27005c7ae911159dae0825df201001bfb873dba6c4c45cc87db23d0c46288c64

SHA512
4488ee6ac02232205dcd3f1f73929bb5305c34417be3efb6b999a43f2e19b1ed9be46c77f20e5203fc9cce9273574fc26d4aee7a7e09c1c65beebb3e7b193beb

Download Submit
C:\Users\Admin\AppData\Roaming\Enquiry-1161222.js

Filesize
51KB

MD5
0ad118eb681ab6c9cd0fa88e91e98816

SHA1
66fb2386dd439a370cc9535b0b9178550f7664bd

SHA256
89a2a7815855b133037b34f1447fc79e5609e219a83acb670eea650d6cdb31ac

SHA512
cc58e92c3ccd0d3385702387059749f1d144de9d8aa346a5a6b9f34f00cc072a3cc7f6a09a3148e93b3ad52be2d11214bced685294acf69a7df8bd0085ca96a7

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

Filesize
10KB

MD5
ecea96b5108a497be1170a64b9cfbb4d

SHA1
4b7fde85644170c57b884b53a40c74f8029ae5ce

SHA256
27005c7ae911159dae0825df201001bfb873dba6c4c45cc87db23d0c46288c64

SHA512
4488ee6ac02232205dcd3f1f73929bb5305c34417be3efb6b999a43f2e19b1ed9be46c77f20e5203fc9cce9273574fc26d4aee7a7e09c1c65beebb3e7b193beb

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Enquiry-1161222.js

Filesize
51KB

MD5
0ad118eb681ab6c9cd0fa88e91e98816

SHA1
66fb2386dd439a370cc9535b0b9178550f7664bd

SHA256
89a2a7815855b133037b34f1447fc79e5609e219a83acb670eea650d6cdb31ac

SHA512
cc58e92c3ccd0d3385702387059749f1d144de9d8aa346a5a6b9f34f00cc072a3cc7f6a09a3148e93b3ad52be2d11214bced685294acf69a7df8bd0085ca96a7

Download Submit
memory/1692-136-0x0000000000000000-mapping.dmp

Download
memory/1812-132-0x0000000000000000-mapping.dmp

Download
memory/4568-133-0x0000000000000000-mapping.dmp

Download

Analysis

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