vjw0rm | e835762f9005924946dbde6b9d9bbf55d7cc360ad4dc371e429f21e0feccab48

Analysis

max time kernel
296s
max time network
301s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19/01/2023, 15:28

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General

Target

Proforma Invoice 3001855006.js
Size

48KB
MD5

c64b396e9cb42b2234a3bbce8728de92
SHA1

71c018361c833fb31b8160059f95516fdaed5e2d
SHA256

c956e252ffa7148f6c075e639297ab2df080920edc53e28021f3156827249ae6
SHA512

b64c3b866497325c49dcb6c11987cf7bb0e55439d792fa8c520b97b8ebcb4d8f6d24d3715acfaeb4b51f8275c835959e81741bf928baa97804f351ad98f7501e
SSDEEP

1536:Ub5m/DuD+CWJbBG7MPI7MMdHl8aFzMKhKyM+anvJKa5YYUfMFfqUagMlGeMqmN34:Ub1uBAMPI7MMdHl8aFzMKhKyM+anvJKz

Score

10^/10

vjw0rm trojan worm

Malware Config

Signatures

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

Blocklisted process makes network request 32 IoCs

flow	pid	Process
4	1724	wscript.exe
5	1724	wscript.exe
6	1724	wscript.exe
8	1724	wscript.exe
10	1724	wscript.exe
11	1724	wscript.exe
13	1724	wscript.exe
14	1724	wscript.exe
15	1724	wscript.exe
17	1724	wscript.exe
18	1724	wscript.exe
19	1724	wscript.exe
21	1724	wscript.exe
22	1724	wscript.exe
23	1724	wscript.exe
25	1724	wscript.exe
26	1724	wscript.exe
27	1724	wscript.exe
29	1724	wscript.exe
30	1724	wscript.exe
31	1724	wscript.exe
33	1724	wscript.exe
34	1724	wscript.exe
35	1724	wscript.exe
37	1724	wscript.exe
38	1724	wscript.exe
39	1724	wscript.exe
41	1724	wscript.exe
42	1724	wscript.exe
43	1724	wscript.exe
45	1724	wscript.exe
46	1724	wscript.exe

Drops startup file 2 IoCs

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 1724	1264	wscript.exe	28
PID 1264 wrote to memory of 1724	1264	wscript.exe	28
PID 1264 wrote to memory of 1724	1264	wscript.exe	28

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Proforma Invoice 3001855006.js"
1⤵
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\tKxfBQLFjK.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:1724

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\tKxfBQLFjK.js

Filesize
18KB

MD5
135ed79b9eea21fa24a2517885b8745b

SHA1
17ce07b47b0fa1212f30f3879850ec5e7625fbb0

SHA256
9feca465d427fa36019bf8e1ce0cbb6f18646d1c4f76b81b5f832bc063447257

SHA512
3d1b80e4aa41c0cdeba5c2885f333db7d1e7afdf83015f1100ab1e1c9e198673da1ab33f500b85e07c7e50cd99acceef1ee8dcb64cf0443693a4aae80cadc0c3

Download Submit
memory/1724-56-0x000007FEFC581000-0x000007FEFC583000-memory.dmp

Filesize
8KB

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