vjw0rm | 21466b223aee245b59ac52cdf7dd26beca648839a6b9753a521acbd8b04f9c78

General

Target

6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.js
Size

3.8MB
MD5

6812d6fba47adabb337563ca20fa84f8
SHA1

2ab5b312c71f2a60d53c16fad7690291ea6d5bb0
SHA256

6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574
SHA512

63d595755ddb4f6b680fb41068f285fbfa6b87d508b7efe1c2f481e70722a2d08669f15b08e362e8db0fdbd85f84796d1f1dd48717c7bf6392055dbbedfeaeae
SSDEEP

49152:DVz6cMuHZupT2iUkP6qOyJdCt6x9loTDW6bK53j+ji48++M0fTW/JDy4TaERYUbB:V

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 27 IoCs

flow	pid	Process
15	860	wscript.exe
16	1772	wscript.exe
17	3692	wscript.exe
47	860	wscript.exe
54	3692	wscript.exe
55	1772	wscript.exe
57	3692	wscript.exe
58	860	wscript.exe
65	3692	wscript.exe
66	860	wscript.exe
67	1772	wscript.exe
70	3692	wscript.exe
71	860	wscript.exe
82	3692	wscript.exe
91	1772	wscript.exe
92	860	wscript.exe
93	3692	wscript.exe
97	860	wscript.exe
98	3692	wscript.exe
112	1772	wscript.exe
135	3692	wscript.exe
143	860	wscript.exe
151	3692	wscript.exe
157	860	wscript.exe
163	1772	wscript.exe
166	3692	wscript.exe
181	860	wscript.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 5 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bCdHGOcGLp.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bCdHGOcGLp.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bCdHGOcGLp.js	wscript.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.js\""	wscript.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 860	1736	wscript.exe	88
PID 1736 wrote to memory of 860	1736	wscript.exe	88
PID 1736 wrote to memory of 1772	1736	wscript.exe	89
PID 1736 wrote to memory of 1772	1736	wscript.exe	89
PID 1772 wrote to memory of 3692	1772	wscript.exe	91
PID 1772 wrote to memory of 3692	1772	wscript.exe	91

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.js
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\bCdHGOcGLp.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:860
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.js"
  2⤵
  - Blocklisted process makes network request
  - Checks computer location settings
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1772
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\bCdHGOcGLp.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    PID:3692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574.js

Filesize
3.8MB

MD5
6812d6fba47adabb337563ca20fa84f8

SHA1
2ab5b312c71f2a60d53c16fad7690291ea6d5bb0

SHA256
6ac96e55099f4737d755e8caa4a03a4ad47faec1e7d133c3eb67c9a7057cd574

SHA512
63d595755ddb4f6b680fb41068f285fbfa6b87d508b7efe1c2f481e70722a2d08669f15b08e362e8db0fdbd85f84796d1f1dd48717c7bf6392055dbbedfeaeae

Download Submit
C:\Users\Admin\AppData\Roaming\bCdHGOcGLp.js

Filesize
346KB

MD5
ef0b971ae6f0713ad41a7774539bb787

SHA1
30e622c882a4e44b193d36c1a81d78850fe70c00

SHA256
62563b71eed9b8356f69bf8ba95e4664d6f936e485975d19cb04e7f456495fd3

SHA512
d9308bb70542e0ea6f080f5a2eafc528dd037fefe3a4b83a29721b161212572db27e20fa0d08d03dac0ae1691dd0f7c40471ab03d886158305d12ba4f48d1dc2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads