vjw0rm | 31f5c289daf8c7fa2c8652f1686e208f6d25784bc9bed2a166c906031e70d449

General

Target

Quotation_562626263667.pdf.js
Size

205KB
MD5

0f8ef908f483815d049a4c34433b89a0
SHA1

2179ad62490090265247159dc8fe485c15df971f
SHA256

31f5c289daf8c7fa2c8652f1686e208f6d25784bc9bed2a166c906031e70d449
SHA512

cce76b71dfb9537b3489ed921ccd9e610f43c1c047df44f0a10252f78b6484df7aa0a49eb193ebb11c9c388dffe89901f10a8bcaebfad57824eb102f5a5c7de1

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 18 IoCs

Processes:

WScript.exe

flow	pid	process
7	1996	WScript.exe
8	1996	WScript.exe
9	1996	WScript.exe
11	1996	WScript.exe
12	1996	WScript.exe
13	1996	WScript.exe
15	1996	WScript.exe
16	1996	WScript.exe
17	1996	WScript.exe
19	1996	WScript.exe
20	1996	WScript.exe
21	1996	WScript.exe
23	1996	WScript.exe
24	1996	WScript.exe
25	1996	WScript.exe
27	1996	WScript.exe
28	1996	WScript.exe
29	1996	WScript.exe

Drops startup file 2 IoCs

Processes:

WScript.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mtdbwLCheS.js	WScript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mtdbwLCheS.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-1-5-21-2455352368-1077083310-2879168483-1000\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\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\mtdbwLCheS.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

1504 1088 WerFault.exe javaw.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

WerFault.exe

pid process

1504 WerFault.exe
1504 WerFault.exe
1504 WerFault.exe
1504 WerFault.exe
1504 WerFault.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1504 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1504 WerFault.exe

pid	pid_target	process	target process
1504	1088	WerFault.exe	javaw.exe

pid	process
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe

pid	process
1504	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1504	WerFault.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

wscript.exejavaw.exe

description	pid	process	target process
PID 756 wrote to memory of 1996	756	wscript.exe	WScript.exe
PID 756 wrote to memory of 1996	756	wscript.exe	WScript.exe
PID 756 wrote to memory of 1996	756	wscript.exe	WScript.exe
PID 756 wrote to memory of 1088	756	wscript.exe	javaw.exe
PID 756 wrote to memory of 1088	756	wscript.exe	javaw.exe
PID 756 wrote to memory of 1088	756	wscript.exe	javaw.exe
PID 1088 wrote to memory of 1504	1088	javaw.exe	WerFault.exe
PID 1088 wrote to memory of 1504	1088	javaw.exe	WerFault.exe
PID 1088 wrote to memory of 1504	1088	javaw.exe	WerFault.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Quotation_562626263667.pdf.js
1⤵
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\mtdbwLCheS.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1996

C:\Program Files\Java\jre7\bin\javaw.exe
"C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\bbhaxygu.txt"
2⤵
- Suspicious use of WriteProcessMemory
PID:1088

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1088 -s 140
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1504

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\bbhaxygu.txt
MD5
2e458a59025b390fbdf7d3717314b507

SHA1
d5a84f501bfa81682ebde5e31a68794140141785

SHA256
6b723bd260b53c68c716ef218c78718d3e99ab4d4238a4bd823fd0cd6ec8007b

SHA512
2b463bc4ef98264560abad47053549c463fc9ee098c97cd60d58c959ba67f4ddf2ca60856f6564802a9f056740fbedbb6bdc829388c136c13b334563465d1f22

Download Submit
C:\Users\Admin\AppData\Roaming\mtdbwLCheS.js
MD5
3b69300c20db18e2d4ac0cf12d54dd6f

SHA1
326fa9803bede447183b84699e07ab6061796923

SHA256
92740ff3dd79b56800fbefc0963f3cda86855445d2e2e7250d362bf9ca91ddca

SHA512
8f331d7d3540a2e3b7a63a8f12e331b9a1ca210bd22b61d4318d5e4556d1f242dfe350e613b467d80fb69de2dd2354c06e9b9fdddb3d2fe48c4117312607c159

Download Submit
memory/756-60-0x000007FEFB701000-0x000007FEFB703000-memory.dmp

Filesize
8KB

Download
memory/1088-63-0x0000000000000000-mapping.dmp

Download
memory/1504-66-0x0000000000000000-mapping.dmp

Download
memory/1504-68-0x0000000001C70000-0x0000000001C71000-memory.dmp

Filesize
4KB

Download
memory/1996-61-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads