vjw0rm | 05c63cde94e8cf070a1d5fe7e1d14cf4e8f37da01274224dcbe67a136a4f8d77

General

Target

7db6d9cd3eb60b8e7296921e4d8d959e.js
Size

225KB
MD5

7db6d9cd3eb60b8e7296921e4d8d959e
SHA1

b2bbea5b2f903c83758d2bb31399addcab9a32ad
SHA256

05c63cde94e8cf070a1d5fe7e1d14cf4e8f37da01274224dcbe67a136a4f8d77
SHA512

c42bf22429f2f84cede85e6bdf93ac15a7cd6498086df302b8559575b2aa95bc88ad1da8e73096bd3f10549c5fc8f75c5bdd25b2d08862a1b3a144130e4fb44f
SSDEEP

3072:hVuQKzealjEa4d9EHDV6iLPxjA/xNUpv4WJ8SL2IIaumMikL1j/4L+rXpHUcBsyH:hkQjDnd6HZjPxVgvm2IIaumY1jfrLMWB

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-1-5-21-1232405761-1209240240-3206092754-1000\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\HjFFOyQEiR.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HjFFOyQEiR.js	WScript.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4728	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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\HjFFOyQEiR.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-1-5-21-1232405761-1209240240-3206092754-1000_Classes\Local Settings	wscript.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 4732	1724	wscript.exe	21
PID 1724 wrote to memory of 4732	1724	wscript.exe	21
PID 1724 wrote to memory of 2328	1724	wscript.exe	25
PID 1724 wrote to memory of 2328	1724	wscript.exe	25
PID 2328 wrote to memory of 4728	2328	javaw.exe	70
PID 2328 wrote to memory of 4728	2328	javaw.exe	70

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\7db6d9cd3eb60b8e7296921e4d8d959e.js
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\HjFFOyQEiR.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:4732
- 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\hhtkphfwqo.txt"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2328
- - 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:4728

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

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Downloads

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

Filesize
46B

MD5
205d539e693acf925366d45bbc435b41

SHA1
bb43a2dda9921dcf3958d89645da10834d1f968c

SHA256
dad434934ec3c818b858b1e27f737a0d7c5cb32b373337733945534b6ddfbe30

SHA512
e19f24353438d102eb75dd5c8eec0c8788dedd19cdd487eebc122aad5a2e0155a9203c3b2dd3825d7e5522682001a10edb566c85416167b34e6d977914cbdb2b

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

Filesize
10KB

MD5
25308d3faf2814d521f745a11eddb128

SHA1
c43b46b320a9712d7d2122c0815b4c89197658ad

SHA256
e07beb274f63e2a973e5dd8ba08c7898cfd04a878ed9e582783541ae95c863e5

SHA512
4a8cb10e2c453b168f83e5044d893231c245bbb76a9470bed8817d41daabd6c3fb7be8ae704b58850ac1c3e423668579db0faeac4d79ff1473e0adf2c04c7ae4

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

Filesize
102KB

MD5
d30db43fa4de3d1c86d88199fd218672

SHA1
f87e903271b69f5dc3dc5b1da84dca781a838247

SHA256
e3c140f5c4fa10ef365115cfa71f73b3a503313cf94068365472bb431e91e7e1

SHA512
ba7a5fb9a375a5e1edaf9821d3de2d466a2649cfc4a690170c0c295b7b98fdad9577427a45f6938a7c4ecd827e7554e70175a36f4dfbeb2f7d25f8d22de707ca

Download Submit
memory/2328-53-0x0000020D0D7F0000-0x0000020D0E7F0000-memory.dmp

Filesize
16.0MB

Download
memory/2328-23-0x0000020D0BFD0000-0x0000020D0BFD1000-memory.dmp

Filesize
4KB

Download
memory/2328-25-0x0000020D0D7F0000-0x0000020D0E7F0000-memory.dmp

Filesize
16.0MB

Download
memory/2328-34-0x0000020D0BFD0000-0x0000020D0BFD1000-memory.dmp

Filesize
4KB

Download
memory/2328-38-0x0000020D0D7F0000-0x0000020D0E7F0000-memory.dmp

Filesize
16.0MB

Download
memory/2328-11-0x0000020D0D7F0000-0x0000020D0E7F0000-memory.dmp

Filesize
16.0MB

Download
memory/2328-58-0x0000020D0D7F0000-0x0000020D0E7F0000-memory.dmp

Filesize
16.0MB

Download
memory/2328-61-0x0000020D0BFD0000-0x0000020D0BFD1000-memory.dmp

Filesize
4KB

Download
memory/2328-64-0x0000020D0D7F0000-0x0000020D0E7F0000-memory.dmp

Filesize
16.0MB

Download
memory/2328-68-0x0000020D0BFD0000-0x0000020D0BFD1000-memory.dmp

Filesize
4KB

Download
memory/2328-88-0x0000020D0BFD0000-0x0000020D0BFD1000-memory.dmp

Filesize
4KB

Download
memory/2328-118-0x0000020D0D7F0000-0x0000020D0E7F0000-memory.dmp

Filesize
16.0MB

Download
memory/2328-124-0x0000020D0D7F0000-0x0000020D0E7F0000-memory.dmp

Filesize
16.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads