vjw0rm | 18294edc05062af67b1f0cd7dbf9fd71a424ce41c0b18376bec78fcec3e3df1d

General

Target

PO-098765MK.js
Size

25KB
MD5

139e0e10e1e1a4d2ba7f582c7f090386
SHA1

2fd97c48b50d5b1954deda2ec5dcf0e2982226d2
SHA256

34118f870c72acd9879333419b07dc6c07269a9905c3654cfa713ad028bf2665
SHA512

34d9623b7019b450c5bac34b7f2543f333f16a0676dd1024678a0b40aedcb58d702caf3a04429987f10665b7ef6f0d13066a6c1e98fb89f9296ee1b0f30fdf33

Score

10^/10

vjw0rm trojan worm

Malware Config

Signatures

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

Blocklisted process makes network request 14 IoCs

Processes:

wscript.exe

flow	pid	process
35	4552	wscript.exe
36	4552	wscript.exe
48	4552	wscript.exe
49	4552	wscript.exe
54	4552	wscript.exe
63	4552	wscript.exe
64	4552	wscript.exe
65	4552	wscript.exe
71	4552	wscript.exe
72	4552	wscript.exe
73	4552	wscript.exe
74	4552	wscript.exe
75	4552	wscript.exe
76	4552	wscript.exe

Drops startup file 2 IoCs

Processes:

wscript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO-098765MK.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO-098765MK.js	wscript.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe

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 AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	652	svchost.exe
Token: SeCreatePagefilePrivilege	652	svchost.exe
Token: SeShutdownPrivilege	652	svchost.exe
Token: SeCreatePagefilePrivilege	652	svchost.exe
Token: SeShutdownPrivilege	652	svchost.exe
Token: SeCreatePagefilePrivilege	652	svchost.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe
Token: SeRestorePrivilege	4944	TiWorker.exe
Token: SeSecurityPrivilege	4944	TiWorker.exe
Token: SeBackupPrivilege	4944	TiWorker.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\PO-098765MK.js
1⤵
- Blocklisted process makes network request
- Drops startup file
PID:4552

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:652

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4944

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/652-130-0x000001C9F03A0000-0x000001C9F03B0000-memory.dmp

Filesize
64KB

Download
memory/652-137-0x000001C9F3120000-0x000001C9F3124000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads