vjw0rm | 9d4b71f7a7886232ed1977d2c92870637ffc08dba838b20245ad60aeb7d2b102

General

Target

8ca1ecf268ce85ceb8855ac8e2c55414.jar
Size

123KB
MD5

8ca1ecf268ce85ceb8855ac8e2c55414
SHA1

40cb27e69cff3e53a252a9d539fa60314ac4e3a7
SHA256

9d4b71f7a7886232ed1977d2c92870637ffc08dba838b20245ad60aeb7d2b102
SHA512

9ddaebdade5d99b2a12e0753a7dd7f4a81857b8654461bfe2119cade2665f5db33a769788a3d72f2582a20ba7fe736033882cc279c16759a14c025b920130605
SSDEEP

3072:ZLLB9Vo35PRErXjMOKCaOgyeAz1+i1GMcU6A7Auka/:ZvLVo3TYMtZA+HA6Ja/

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

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

Drops startup file 2 IoCs

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\cTmNhYTLpQ.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 9 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2856	2504	java.exe	29
PID 2504 wrote to memory of 2856	2504	java.exe	29
PID 2504 wrote to memory of 2856	2504	java.exe	29
PID 2856 wrote to memory of 1076	2856	wscript.exe	30
PID 2856 wrote to memory of 1076	2856	wscript.exe	30
PID 2856 wrote to memory of 1076	2856	wscript.exe	30
PID 2856 wrote to memory of 2064	2856	wscript.exe	31
PID 2856 wrote to memory of 2064	2856	wscript.exe	31
PID 2856 wrote to memory of 2064	2856	wscript.exe	31

C:\Windows\system32\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\8ca1ecf268ce85ceb8855ac8e2c55414.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Windows\system32\wscript.exe
  wscript C:\Users\Admin\_output.js
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\cTmNhYTLpQ.js"
    3⤵
    - Drops startup file
    - Adds Run key to start application
    PID:1076
- - C:\Program Files\Java\jre7\bin\javaw.exe
    "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\nmiznunwz.txt"
    3⤵
    PID:2064

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
9KB

MD5
685b1b2952c8efe8584d692840416ebb

SHA1
d52696d12e7aa7b5c3757bfc0d524e11a527edba

SHA256
a0468409b7c7800ce0b1df997097525357bb2b93686afba5e5f82dd03667c00c

SHA512
7b173df0ef8b2045f65980e2ea657a544551b4809eb6d82b5eed829e5858fab4966e500912f193d2a6382974f2d1c775a93454f562a6a826d6a191dec7f39868

Download Submit
C:\Users\Admin\AppData\Roaming\nmiznunwz.txt

Filesize
88KB

MD5
468ec549c270898563a0d61e42a3bd17

SHA1
6bbd046226d2a87abd4e24d9831e029d97f5e0c7

SHA256
ba97fd311dcae06ced279a1a5503252c7c0986a28e4168f0f96b4afcbcb7f79b

SHA512
e9071cd00f5c12810e08655f9dedd740fa3052132467a1596056d986a505d980fde4a0bac0d9ff573b630fd0c5b4aeec05b878bd3d05c549e9745fe26dbc8039

Download Submit
C:\Users\Admin\_output.js

Filesize
195KB

MD5
9e872de7115891e5eea6c64be9164ad9

SHA1
c279eb494fbf5cd0a398fb02c4b10e8728b4198b

SHA256
019a6c3f10ef4440d4c08462eaca4acca8f58e16bc375c0483336368bc919457

SHA512
b9d651f7f4bc7edbd4f66c0acad209bcbc3268a648a02cff5b19b5f30eafe2c6e1ade7ce617f4b16433585cf3aa3f13a25f665a7541371af0e587c2a472453db

Download Submit
memory/2064-30-0x0000000001B40000-0x0000000001B41000-memory.dmp

Filesize
4KB

Download
memory/2064-29-0x00000000021A0000-0x00000000051A0000-memory.dmp

Filesize
48.0MB

Download
memory/2064-32-0x0000000001B40000-0x0000000001B41000-memory.dmp

Filesize
4KB

Download
memory/2064-55-0x0000000001B40000-0x0000000001B41000-memory.dmp

Filesize
4KB

Download
memory/2064-60-0x0000000001B40000-0x0000000001B41000-memory.dmp

Filesize
4KB

Download
memory/2064-63-0x0000000001B40000-0x0000000001B41000-memory.dmp

Filesize
4KB

Download
memory/2064-72-0x0000000001B40000-0x0000000001B41000-memory.dmp

Filesize
4KB

Download
memory/2064-88-0x00000000021A0000-0x00000000051A0000-memory.dmp

Filesize
48.0MB

Download
memory/2064-89-0x0000000001B40000-0x0000000001B41000-memory.dmp

Filesize
4KB

Download
memory/2064-91-0x0000000001B40000-0x0000000001B41000-memory.dmp

Filesize
4KB

Download
memory/2504-12-0x0000000001C50000-0x0000000001C51000-memory.dmp

Filesize
4KB

Download
memory/2504-6-0x0000000002120000-0x0000000005120000-memory.dmp

Filesize
48.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads