vjw0rm | be642fbf0a49582e7fee104a7d8dad9eebd11e3ec175256a8a6c86b7fe93bb0c

General

Target
d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9.js
Size 4.5MB
Sample230330-dkv7aaag59
SHA256 d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9
MD5 9cf2c793029ae8dd84a387ba66e8c432
SHA1 48f6d8e5c4f55434a3d1fdc1531bd37fb6248d10
SHA512 33dd2fbc290c8feb31570e200f469729d5385e3f214edb4299b47bd841a0cd24a9ea211808e6c58cef63a812b27558852dbed2daf0cfac8953b3d028fd019848
SSDEEP 24576:8NLb0+2xYFsLoDw9svltZ7r55HNYYkY4WOxbZQCgvRo5PD1rMLSeGU0pOlBY9Pcw:3ueQa
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm

Blocklisted process makes network request 6 IoCs

flow	pid	Process
8	1708	wscript.exe
10	1708	wscript.exe
21	1708	wscript.exe
31	1708	wscript.exe
39	1708	wscript.exe
50	1708	wscript.exe

Drops startup file 5 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xQgwkAjhRq.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xQgwkAjhRq.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xQgwkAjhRq.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\d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	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). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 932	2032	wscript.exe	27
PID 2032 wrote to memory of 932	2032	wscript.exe	27
PID 2032 wrote to memory of 932	2032	wscript.exe	27
PID 2032 wrote to memory of 1708	2032	wscript.exe	28
PID 2032 wrote to memory of 1708	2032	wscript.exe	28
PID 2032 wrote to memory of 1708	2032	wscript.exe	28
PID 1708 wrote to memory of 1936	1708	wscript.exe	30
PID 1708 wrote to memory of 1936	1708	wscript.exe	30
PID 1708 wrote to memory of 1936	1708	wscript.exe	30

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9.js
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\xQgwkAjhRq.js"
  2⤵
  - Drops startup file
  PID:932
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1708
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\xQgwkAjhRq.js"
    3⤵
    - Drops startup file
    PID:1936

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9.js

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9.js
Size 4.5MB
SHA256 d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9
MD5 9cf2c793029ae8dd84a387ba66e8c432
SHA1 48f6d8e5c4f55434a3d1fdc1531bd37fb6248d10
SHA512 33dd2fbc290c8feb31570e200f469729d5385e3f214edb4299b47bd841a0cd24a9ea211808e6c58cef63a812b27558852dbed2daf0cfac8953b3d028fd019848
SSDEEP 24576:8NLb0+2xYFsLoDw9svltZ7r55HNYYkY4WOxbZQCgvRo5PD1rMLSeGU0pOlBY9Pcw:3ueQa
MD5 SHA1 SHA512 SSDEEP

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d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9.js

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9.js
Size 4.5MB
SHA256 d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9
MD5 9cf2c793029ae8dd84a387ba66e8c432
SHA1 48f6d8e5c4f55434a3d1fdc1531bd37fb6248d10
SHA512 33dd2fbc290c8feb31570e200f469729d5385e3f214edb4299b47bd841a0cd24a9ea211808e6c58cef63a812b27558852dbed2daf0cfac8953b3d028fd019848
SSDEEP 24576:8NLb0+2xYFsLoDw9svltZ7r55HNYYkY4WOxbZQCgvRo5PD1rMLSeGU0pOlBY9Pcw:3ueQa
MD5 SHA1 SHA512 SSDEEP

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xQgwkAjhRq.js

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xQgwkAjhRq.js
Size 346KB
SHA256 c518c547d809de7ccae1259611bcb52d6fa435cff67c910d25c5b961ddc45466
MD5 0fbcb6f83b0f64e57835d021bb6e917d
SHA1 0fa656e1cf06a0ea20e19a4ddd951f0d0d05dc38
SHA512 70f322596a2ba8e079d39d35a10e771f8269dc08e03713736ba070f6cf34cf9bbcb9ac1065a66ad0a0afb66ad68e000953e593164d8858224ce1aeb4cde5120f
SSDEEP 6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV8T4:eQ3B7qgpe
MD5 SHA1 SHA512 SSDEEP

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d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9.js

Path C:\Users\Admin\AppData\Roaming\d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9.js
Size 4.5MB
SHA256 d76d9fa7fa75a31b2a62804c8925a1c352f407831865bebc005b7f01676b5ac9
MD5 9cf2c793029ae8dd84a387ba66e8c432
SHA1 48f6d8e5c4f55434a3d1fdc1531bd37fb6248d10
SHA512 33dd2fbc290c8feb31570e200f469729d5385e3f214edb4299b47bd841a0cd24a9ea211808e6c58cef63a812b27558852dbed2daf0cfac8953b3d028fd019848
SSDEEP 24576:8NLb0+2xYFsLoDw9svltZ7r55HNYYkY4WOxbZQCgvRo5PD1rMLSeGU0pOlBY9Pcw:3ueQa
MD5 SHA1 SHA512 SSDEEP

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xQgwkAjhRq.js

Path C:\Users\Admin\AppData\Roaming\xQgwkAjhRq.js
Size 346KB
SHA256 c518c547d809de7ccae1259611bcb52d6fa435cff67c910d25c5b961ddc45466
MD5 0fbcb6f83b0f64e57835d021bb6e917d
SHA1 0fa656e1cf06a0ea20e19a4ddd951f0d0d05dc38
SHA512 70f322596a2ba8e079d39d35a10e771f8269dc08e03713736ba070f6cf34cf9bbcb9ac1065a66ad0a0afb66ad68e000953e593164d8858224ce1aeb4cde5120f
SSDEEP 6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV8T4:eQ3B7qgpe
MD5 SHA1 SHA512 SSDEEP

Submit Download

xQgwkAjhRq.js

Path C:\Users\Admin\AppData\Roaming\xQgwkAjhRq.js
Size 346KB
SHA256 c518c547d809de7ccae1259611bcb52d6fa435cff67c910d25c5b961ddc45466
MD5 0fbcb6f83b0f64e57835d021bb6e917d
SHA1 0fa656e1cf06a0ea20e19a4ddd951f0d0d05dc38
SHA512 70f322596a2ba8e079d39d35a10e771f8269dc08e03713736ba070f6cf34cf9bbcb9ac1065a66ad0a0afb66ad68e000953e593164d8858224ce1aeb4cde5120f
SSDEEP 6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV8T4:eQ3B7qgpe
MD5 SHA1 SHA512 SSDEEP

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads