vjw0rm | 8b89ccf2aeee269572578f39cbe44d8b9eb1e90d6625be8bb005cc5296abc629

General

Target

Payment.js
Size

199KB
MD5

fc81b118b986d065514814c62ce2959c
SHA1

a8c1ed074cc533c5aa6b71a3a527ffbc0493e225
SHA256

8b89ccf2aeee269572578f39cbe44d8b9eb1e90d6625be8bb005cc5296abc629
SHA512

5bf826d4cfbdd6613e4955d4eee3ef0851ad48f0ab3c8eada4c4d57b0b815af8e854d08a95eaf196316fd91f8c84aa2ec7ed5cfef8913757c19ea077e3c4a6e7

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

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

Blocklisted process makes network request 15 IoCs

Processes:

WScript.exe

flow	pid	process
9	1496	WScript.exe
16	1496	WScript.exe
19	1496	WScript.exe
20	1496	WScript.exe
21	1496	WScript.exe
22	1496	WScript.exe
23	1496	WScript.exe
24	1496	WScript.exe
25	1496	WScript.exe
26	1496	WScript.exe
27	1496	WScript.exe
28	1496	WScript.exe
29	1496	WScript.exe
30	1496	WScript.exe
31	1496	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\QUKoVKgJQp.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\QUKoVKgJQp.js	WScript.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

WScript.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\QUKoVKgJQp.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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3904 1912 WerFault.exe javaw.exe
Modifies registry class 1 IoCs

Processes:

wscript.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings wscript.exe

pid	pid_target	process	target process
3904	1912	WerFault.exe	javaw.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings	wscript.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3904	WerFault.exe
3904	WerFault.exe
3904	WerFault.exe
3904	WerFault.exe
3904	WerFault.exe
3904	WerFault.exe
3904	WerFault.exe
3904	WerFault.exe
3904	WerFault.exe
3904	WerFault.exe
3904	WerFault.exe
3904	WerFault.exe
3904	WerFault.exe
3904	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 3904 WerFault.exe

description	pid	process
Token: SeDebugPrivilege	3904	WerFault.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 568 wrote to memory of 1496	568	wscript.exe	WScript.exe
PID 568 wrote to memory of 1496	568	wscript.exe	WScript.exe
PID 568 wrote to memory of 1912	568	wscript.exe	javaw.exe
PID 568 wrote to memory of 1912	568	wscript.exe	javaw.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Payment.js
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:568

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\QUKoVKgJQp.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1496

C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
"C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\tkjoxdbbzz.txt"
2⤵
PID:1912

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1912 -s 356
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3904

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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\QUKoVKgJQp.js
MD5
20db8f29d1db93e67b8b2ad6196d9e37

SHA1
ce499527cae2ea611057d5dc952132b0d948eba4

SHA256
349e780cca53f741459e1da002e177b536bf4eb7c69f5d3efaa6c4287bcfa985

SHA512
71950c00ace082834e8b13ccc869a5d13c1ee0fe83e170ea3714b0a4279bad2d560f2dd6c2f200bddd4a00b241ff6553db9f6c8156cda7b60f0c08629512bfd3

Download Submit
C:\Users\Admin\AppData\Roaming\tkjoxdbbzz.txt
MD5
7873269dd388d4ff3dbe9f020e121e89

SHA1
d50b0740bab0ebc4cf6b3cc4c586632f6dc9e13e

SHA256
bc12cbf509a1f5bff1dea9896aae44b9bc119115bf38349f6caabbbf99e0e919

SHA512
36fdd31209b3448dc32100f733c048b063521bade50a5dd8a3945b7acc5b504115036a6c37bf37ac99b31cf4f94a63b7040224bcf5d8b0c3d2bc93e4bb0fc818

Download Submit
memory/1496-114-0x0000000000000000-mapping.dmp

Download
memory/1912-116-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads