vjw0rm | 1ac5463d860af063a8653ef3bc02c6a0a28d089ded5d759530ebe54e8c1da498

General

Target

C0083_Invoice_Copy.js
Size

12KB
MD5

7db9fe7b332f94b2c50ce2761b40abfc
SHA1

277de0d07f6080d096fe3b2ece7c99ee3167f3ed
SHA256

9af04e365ed1f2e0ea04dc71729f0e3341f0f981405c9f3ddd6d6d7b693fb733
SHA512

b735fc8a216ba8833ebaa00d7f67969645f78a572d5c92052de36e5433d0842ed73e481aec3a58484d7a3ee36033fe83cfaa9565b70472b6b9247a4d7d640c1b

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

C2

http://mchristopherr83.duckdns.org:7922

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
Blocklisted process makes network request 3 IoCs

Processes:

wscript.exeWScript.execscript.exe

flow pid process

6 1268 wscript.exe
8 1488 WScript.exe
10 1756 cscript.exe

flow	pid	process
6	1268	wscript.exe
8	1488	WScript.exe
10	1756	cscript.exe

Drops startup file 4 IoCs

Processes:

cscript.exewscript.exeWScript.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\C0083_Invoice_Copy.js	cscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\C0083_Invoice_Copy.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\C0083_Invoice_Copy.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\C0083_Invoice_Copy.js	WScript.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cscript.exewscript.exeWScript.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run	cscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\JX0T7EQ31M = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\C0083_Invoice_Copy.js\""	cscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\JX0T7EQ31M = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\C0083_Invoice_Copy.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\JX0T7EQ31M = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\C0083_Invoice_Copy.js\""	WScript.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

1812 schtasks.exe
916 schtasks.exe
1392 schtasks.exe

pid	process
1812	schtasks.exe
916	schtasks.exe
1392	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

wscript.exeWScript.execscript.exe

description	pid	process	target process
PID 1268 wrote to memory of 1812	1268	wscript.exe	schtasks.exe
PID 1268 wrote to memory of 1812	1268	wscript.exe	schtasks.exe
PID 1268 wrote to memory of 1812	1268	wscript.exe	schtasks.exe
PID 1488 wrote to memory of 916	1488	WScript.exe	schtasks.exe
PID 1488 wrote to memory of 916	1488	WScript.exe	schtasks.exe
PID 1488 wrote to memory of 916	1488	WScript.exe	schtasks.exe
PID 1756 wrote to memory of 1392	1756	cscript.exe	schtasks.exe
PID 1756 wrote to memory of 1392	1756	cscript.exe	schtasks.exe
PID 1756 wrote to memory of 1392	1756	cscript.exe	schtasks.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\C0083_Invoice_Copy.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1268

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\C0083_Invoice_Copy.js
2⤵
- Creates scheduled task(s)
PID:1812

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\C0083_Invoice_Copy.js"
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1488

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\C0083_Invoice_Copy.js
2⤵
- Creates scheduled task(s)
PID:916

C:\Windows\system32\cscript.exe
cscript C0083_Invoice_Copy.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\C0083_Invoice_Copy.js
2⤵
- Creates scheduled task(s)
PID:1392

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\C0083_Invoice_Copy.js
MD5
7db9fe7b332f94b2c50ce2761b40abfc

SHA1
277de0d07f6080d096fe3b2ece7c99ee3167f3ed

SHA256
9af04e365ed1f2e0ea04dc71729f0e3341f0f981405c9f3ddd6d6d7b693fb733

SHA512
b735fc8a216ba8833ebaa00d7f67969645f78a572d5c92052de36e5433d0842ed73e481aec3a58484d7a3ee36033fe83cfaa9565b70472b6b9247a4d7d640c1b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\C0083_Invoice_Copy.js
MD5
7db9fe7b332f94b2c50ce2761b40abfc

SHA1
277de0d07f6080d096fe3b2ece7c99ee3167f3ed

SHA256
9af04e365ed1f2e0ea04dc71729f0e3341f0f981405c9f3ddd6d6d7b693fb733

SHA512
b735fc8a216ba8833ebaa00d7f67969645f78a572d5c92052de36e5433d0842ed73e481aec3a58484d7a3ee36033fe83cfaa9565b70472b6b9247a4d7d640c1b

Download Submit
memory/916-61-0x0000000000000000-mapping.dmp

Download
memory/1392-63-0x0000000000000000-mapping.dmp

Download
memory/1812-60-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads