vjw0rm | a9b5cf89510cfcc9b8ab7e311395540e1810f69f47ebf735134a04b376960ad0

General

Target

137a79bb32e10321f3803bb74e98fd93.js
Size

332KB
MD5

137a79bb32e10321f3803bb74e98fd93
SHA1

6d6f6567f58794b362f7c6837b8a082e0a9aea4d
SHA256

a9b5cf89510cfcc9b8ab7e311395540e1810f69f47ebf735134a04b376960ad0
SHA512

6594af60eba8b6645bdc77f0f1fb69ba4f71b8514e749641e08098f0249d3527bd9c62db00abf88b821179f8d9cf829dd556cfc64afdba1b8a7890d406c669b7
SSDEEP

6144:hjGBFq/NQhCpVrIIF2jGBFq/NQhCpVrIIF6:K/8N/88

Score

10^/10

vjw0rm discovery persistence trojan worm

Malware Config

Signatures

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

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-1-5-21-3336304223-2978740688-3645194410-1000\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\SKdxOqJGgU.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SKdxOqJGgU.js	WScript.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3632	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0HKX5ALWLG = "\"C:\\Users\\Admin\\AppData\\Roaming\\SKdxOqJGgU.js\""	WScript.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000_Classes\Local Settings	wscript.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 4288	2400	wscript.exe	90
PID 2400 wrote to memory of 4288	2400	wscript.exe	90
PID 2400 wrote to memory of 3864	2400	wscript.exe	92
PID 2400 wrote to memory of 3864	2400	wscript.exe	92
PID 3864 wrote to memory of 3632	3864	javaw.exe	94
PID 3864 wrote to memory of 3632	3864	javaw.exe	94

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\137a79bb32e10321f3803bb74e98fd93.js
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\SKdxOqJGgU.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:4288
- C:\Program Files\Java\jre-1.8\bin\javaw.exe
  "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\scooxbax.txt"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3864
- - C:\Windows\system32\icacls.exe
    C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
    3⤵
    - Modifies file permissions
    PID:3632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

File and Directory Permissions Modification

Modify Registry

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:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
a2c2acf83f50d54a60c217aa3a5f0c7b

SHA1
868c03cb1d9f3d205c0bdc8a6b360f3a6dbdc6a7

SHA256
460b3365dc4927d7c7b39698e85eb52fd3498e19df6da104312e490baeacfd7a

SHA512
10a468a5f0ba2579830548ea129fcd8f8addd4581dc886fc0dfe14de939781fdae9432ee8e6effcec82d9d3c113471a847dca832eda6716dfdde63881e597dfb

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

Filesize
14KB

MD5
9a9a53136c9758629583522bfcca289f

SHA1
05a411594f466a9fffce9146dbd278b608ae1e46

SHA256
e26dd03600eb13d42dc4248db99c7f5905c0f60dc85a16a7e0d382e5d52ac053

SHA512
a73c60dce5351aa05d3b3e76afc66d50a78ed59ad5c1a46a65046a716d3057166cb88abea5fdedfce4a96e659d5b0540844fa834f826d933cddf6737beb5c7f2

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

Filesize
70KB

MD5
cebb30928cec328617195c58c9ba8d88

SHA1
8b69f45ac6b92072bbb2c23e22804734aa8d2ecd

SHA256
0fa24bbaf6e530ddc6822a7dfcbd2510249b5751abee9732990b80ea570f9840

SHA512
5b4c013048c3b79e44e23c27c9f3e98eb9af6bd468585bc0fc67be8b04fc883fdc88361b267b6d5dbbf62fc4c028eef9fd52aaf2fcb8994eb3ef660c2aacd10d

Download Submit
memory/3864-61-0x000001B37FD00000-0x000001B37FD01000-memory.dmp

Filesize
4KB

Download
memory/3864-109-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-21-0x000001B37FD00000-0x000001B37FD01000-memory.dmp

Filesize
4KB

Download
memory/3864-26-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-37-0x000001B37FD00000-0x000001B37FD01000-memory.dmp

Filesize
4KB

Download
memory/3864-38-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-54-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-58-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-59-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-9-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-108-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-19-0x000001B37FD00000-0x000001B37FD01000-memory.dmp

Filesize
4KB

Download
memory/3864-170-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-171-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-172-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-173-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-175-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-176-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-177-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-194-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-195-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download
memory/3864-196-0x000001B300000000-0x000001B301000000-memory.dmp

Filesize
16.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads