vjw0rm | b2fb92728d4406136e6934be420befd0306ea69b03540e73e0d718a6d09e0f70

General

Target

receipt#.js
Size

22KB
MD5

13fb0284023b235db4c118f0173c272c
SHA1

71bf685ab695101244f4c2aebc4f257911b7e302
SHA256

b2fb92728d4406136e6934be420befd0306ea69b03540e73e0d718a6d09e0f70
SHA512

e8d635e4695f0905331d263f71706a2ce404140de9037f1a9691616e30009c990e1512b1921c5e3e4041aa49743fa8fab10c8588910cc401fc7f12068af0daed

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

C2

http://zeegod.duckdns.org:9998

Signatures

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

Blocklisted process makes network request 18 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
8	664	wscript.exe
9	1752	wscript.exe
10	664	wscript.exe
13	664	wscript.exe
15	664	wscript.exe
18	664	wscript.exe
20	664	wscript.exe
23	664	wscript.exe
25	664	wscript.exe
26	664	wscript.exe
29	664	wscript.exe
32	664	wscript.exe
34	664	wscript.exe
36	664	wscript.exe
39	664	wscript.exe
40	664	wscript.exe
43	664	wscript.exe
46	664	wscript.exe

Drops startup file 3 IoCs

Processes:

wscript.exewscript.exe

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

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exewscript.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows\CurrentVersion\Run\YSAGQWKNY8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\receipt#.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\hgMQjNbTZm.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows\CurrentVersion\Run	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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1140 schtasks.exe

pid	process
1140	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 1752 wrote to memory of 664	1752	wscript.exe	wscript.exe
PID 1752 wrote to memory of 664	1752	wscript.exe	wscript.exe
PID 1752 wrote to memory of 664	1752	wscript.exe	wscript.exe
PID 1752 wrote to memory of 1140	1752	wscript.exe	schtasks.exe
PID 1752 wrote to memory of 1140	1752	wscript.exe	schtasks.exe
PID 1752 wrote to memory of 1140	1752	wscript.exe	schtasks.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\receipt#.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1752

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\hgMQjNbTZm.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:664

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\receipt#.js
2⤵
- Creates scheduled task(s)
PID:1140

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\hgMQjNbTZm.js
MD5
d0f1a684002735cf158c3fe44e2c0e94

SHA1
56e3369154b815344c30589ada5cbd198beb98fa

SHA256
c293fc6c91c5a4a889bb96411d58c7af35d623ab1392f8be4ae44874d15e0073

SHA512
fc1a4b3f90ec1e4fe97799cf7f248a4221747b0a226907bb53c8821498a4d0e582252a1f180de3f65e5ee0ec1f831bdc56ae8db02c60e76e71bbb72bb5c9b676

Download Submit
memory/664-55-0x0000000000000000-mapping.dmp

Download
memory/1140-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads