vjw0rm | c399dbe473150a5d2a9d3676d81971de66f2daf5360d2be26e62b5533c4fcbad

General

Target

SHIPMENT_DOCUMENTS PDF.js
Size

531KB
MD5

cf4ec0d22c787775c9f46dd0fe19da33
SHA1

f0379f9363c0c9955d9b71064a2879fd6b1cff5c
SHA256

c399dbe473150a5d2a9d3676d81971de66f2daf5360d2be26e62b5533c4fcbad
SHA512

7248e804832f6eb2fb13e73af73a41a695fa131d239ce2b5aa3495858bd387053569e1d1a0e530a1e4f1a949a7c87e0995ad9443b9e2ec49d9a09889e8ccbb1f

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 6 IoCs

Processes:

WScript.exe

flow pid process

5 1476 WScript.exe
12 1476 WScript.exe
13 1476 WScript.exe
17 1476 WScript.exe
18 1476 WScript.exe
19 1476 WScript.exe

flow	pid	process
5	1476	WScript.exe
12	1476	WScript.exe
13	1476	WScript.exe
17	1476	WScript.exe
18	1476	WScript.exe
19	1476	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\IwhBHZSsWd.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IwhBHZSsWd.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
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\IwhBHZSsWd.js\""	WScript.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run	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 9 IoCs

Processes:

wscript.exejavaw.exe

description	pid	process	target process
PID 1288 wrote to memory of 1476	1288	wscript.exe	WScript.exe
PID 1288 wrote to memory of 1476	1288	wscript.exe	WScript.exe
PID 1288 wrote to memory of 1476	1288	wscript.exe	WScript.exe
PID 1288 wrote to memory of 768	1288	wscript.exe	javaw.exe
PID 1288 wrote to memory of 768	1288	wscript.exe	javaw.exe
PID 1288 wrote to memory of 768	1288	wscript.exe	javaw.exe
PID 768 wrote to memory of 1588	768	javaw.exe	java.exe
PID 768 wrote to memory of 1588	768	javaw.exe	java.exe
PID 768 wrote to memory of 1588	768	javaw.exe	java.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\SHIPMENT_DOCUMENTS PDF.js"
1⤵
- Suspicious use of WriteProcessMemory
PID:1288

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\IwhBHZSsWd.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1476

C:\Program Files\Java\jre7\bin\javaw.exe
"C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\klemlgmp.txt"
2⤵
- Suspicious use of WriteProcessMemory
PID:768

C:\Program Files\Java\jre7\bin\java.exe
"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\klemlgmp.txt"
3⤵
PID:1588

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\IwhBHZSsWd.js
MD5
be3598b9ef31862aa34d1b79014c22de

SHA1
4d102790ec4bb3f6c95dc5097355c5f03c27beaf

SHA256
69ffc81cf2305ba7dedc79679eb1929dbdbf9e0a4cd6a53193c0367279750b4c

SHA512
778ad27bedbe8c275a5abdcba6f9a1ba43d8963ca67bbc768265fe6e5dcd380e1c7a191f7471364f5d6c22b1ba954819574f185141c631b2deca53a3ba6f7c01

Download Submit
C:\Users\Admin\AppData\Roaming\klemlgmp.txt
MD5
4a769959e2ee2785d32ef2161f28cd8b

SHA1
e31b455b90081313e3b7405db3efe1582fe39daa

SHA256
496536d34981fc4155772fe136930ef13cf16116a4df18e6261dd084fce40b21

SHA512
8ef798581834a365f8a7649572c8683e9294cb950917b9c1e9b6ae60bf48b2e4d0e3be312843e398868f31835f276df24f4c5c2b6fb07b654322a8d5351815ca

Download Submit
C:\Users\Admin\klemlgmp.txt
MD5
4a769959e2ee2785d32ef2161f28cd8b

SHA1
e31b455b90081313e3b7405db3efe1582fe39daa

SHA256
496536d34981fc4155772fe136930ef13cf16116a4df18e6261dd084fce40b21

SHA512
8ef798581834a365f8a7649572c8683e9294cb950917b9c1e9b6ae60bf48b2e4d0e3be312843e398868f31835f276df24f4c5c2b6fb07b654322a8d5351815ca

Download Submit
memory/768-66-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/768-75-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/768-61-0x00000000021F0000-0x0000000002460000-memory.dmp

Filesize
2.4MB

Download
memory/768-62-0x00000000021F0000-0x0000000002460000-memory.dmp

Filesize
2.4MB

Download
memory/768-63-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/768-121-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/768-70-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/768-58-0x0000000000000000-mapping.dmp

Download
memory/768-76-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/768-91-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/768-114-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/768-116-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/1288-55-0x000007FEFBCB1000-0x000007FEFBCB3000-memory.dmp

Filesize
8KB

Download
memory/1476-56-0x0000000000000000-mapping.dmp

Download
memory/1588-168-0x0000000000000000-mapping.dmp

Download
memory/1588-173-0x00000000024A0000-0x0000000002710000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads