vjw0rm | 56ca8f9b8ac1cb7dab8123ba8b84a067e05527f75ffbe18046b1f12c0ac4db2c

General

Target

d92e4d601fad56e8750ea73e8b0e53d9.jar
Size

621KB
MD5

d92e4d601fad56e8750ea73e8b0e53d9
SHA1

6170d6d322c7b46268d153030b966785217ed982
SHA256

56ca8f9b8ac1cb7dab8123ba8b84a067e05527f75ffbe18046b1f12c0ac4db2c
SHA512

ef513f88c03031f147599463f4a0cb3e530a01d29db439b542e5c03c4cc35bbbe79bd90c54f5604033cbd8044bcca0d279888c0d37f3cdb1d2c78292ba2c30c5
SSDEEP

12288:PpHLHFPoyVTEmJyQH2hXj3v90mju+hrHD9oZ2VzGejfENmCuJJWkBxM0:9LHFPhdEmJzH2llFvhrHGZwnFqSxJ

Score

10^/10

vjw0rm discovery persistence trojan worm

Malware Config

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

wscript.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation wscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	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\HXpBUBTtZF.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HXpBUBTtZF.js	WScript.exe

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

2016 icacls.exe

pid	process
2016	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

WScript.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\HXpBUBTtZF.js\""	WScript.exe

Drops file in Program Files directory 24 IoCs

Processes:

javaw.exejava.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb	java.exe

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

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

wscript.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000_Classes\Local Settings wscript.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

java.exe

pid process

1844 java.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000_Classes\Local Settings	wscript.exe

pid	process
1844	java.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

java.exewscript.exejavaw.exe

description	pid	process	target process
PID 4016 wrote to memory of 2016	4016	java.exe	icacls.exe
PID 4016 wrote to memory of 2016	4016	java.exe	icacls.exe
PID 4016 wrote to memory of 4212	4016	java.exe	wscript.exe
PID 4016 wrote to memory of 4212	4016	java.exe	wscript.exe
PID 4212 wrote to memory of 2500	4212	wscript.exe	WScript.exe
PID 4212 wrote to memory of 2500	4212	wscript.exe	WScript.exe
PID 4212 wrote to memory of 1164	4212	wscript.exe	javaw.exe
PID 4212 wrote to memory of 1164	4212	wscript.exe	javaw.exe
PID 1164 wrote to memory of 1844	1164	javaw.exe	java.exe
PID 1164 wrote to memory of 1844	1164	javaw.exe	java.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\d92e4d601fad56e8750ea73e8b0e53d9.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:4016
- C:\Windows\system32\icacls.exe
  C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
  2⤵
  - Modifies file permissions
  PID:2016
- C:\Windows\SYSTEM32\wscript.exe
  wscript C:\Users\Admin\gbystgqcic.js
  2⤵
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4212
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\HXpBUBTtZF.js"
    3⤵
    - Drops startup file
    - Adds Run key to start application
    PID:2500
- - C:\Program Files\Java\jre-1.8\bin\javaw.exe
    "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\qboasqjo.txt"
    3⤵
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:1164
  - - C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.105551579451586221569121857187342560.class
      4⤵
      Drops file in Program Files directory
      Suspicious use of SetWindowsHookEx
      PID:1844

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

File and Directory Permissions Modification

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
f922a10659067e061df2db53b93a7cb0

SHA1
e8aa99f30e248730e8a0ffb4a1accec1bb88a349

SHA256
3e7abfde9af501d2145da5bf53c6702bbbe0dd8f6313ae846abfb23976737f7a

SHA512
007544d4e436e9fc5e31a68660bf650ca088f44d90ba6c3d6a4aeb8f33a7ea6f61f017a1b574032adfe603dddeabe46939b5673f01cf5f8738b451896e2f2b44

Download Submit
C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
b76ef443d0f75d94468e98a9d0d082e4

SHA1
f5724fa1ca1aba83ee0d35166020ac28041d2721

SHA256
f81fba2008f6aa97f95ed6ea7891b269d0302b9b5e4c30eea10a82095e7760c1

SHA512
3ab559518049f6e21a84c8044b2a578ab86b212ec7ac5241b4e1580954e0aaa5aa51c919b7f83cd8c51d6bc0fa40caae80bf7d54c730be09b99702ef1a42efb9

Download Submit
C:\Users\Admin\AppData\Local\Temp\_0.105551579451586221569121857187342560.class

Filesize
241KB

MD5
781fb531354d6f291f1ccab48da6d39f

SHA1
9ce4518ebcb5be6d1f0b5477fa00c26860fe9a68

SHA256
97d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9

SHA512
3e6630f5feb4a3eb1dac7e9125ce14b1a2a45d7415cf44cea42bc51b2a9aa37169ee4a4c36c888c8f2696e7d6e298e2ad7b2f4c22868aaa5948210eb7db220d8

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

Filesize
11KB

MD5
150efb51ec05bc4a9bbb525397f5f741

SHA1
be85f05d5a074fa98232cf993fc6f5a7dac9f880

SHA256
b97357a2422085a44feea1491f88a44e3a9080cef0330a70b6d9cc0f0ed3cd19

SHA512
e45f7012eb013e53b9a49e239bf7c07a81a08587501674fdb0e6f048edfa904b01138da374ce51b131f1bda952761cc64e317fe453e76d8cf099868a4ad301e5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3045580317-3728985860-206385570-1000\83aa4cc77f591dfc2374580bbd95f6ba_2d983147-f9f1-498d-be7e-1997eada874a

Filesize
45B

MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

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

Filesize
473KB

MD5
ca4cf45e9499c04f77d54212bb0805c0

SHA1
296688e7207ddbdd7f0e5096ae9c1993b5ff130b

SHA256
f8255759c5da02e9b0de11ea93f90f14fc34bb8cd839ff7c4a53a86438b11344

SHA512
90075be1e95bacdb020504304b79cc1e2fca3eadcffd87d00c16d95ce93922e3b1835b93d0f91874dcfb3dd17b8dafad65c3a258bd95a0e05a237cd4f1691d0b

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

Filesize
905KB

MD5
b66fe74731233f91d26f03d3ac6c0fe3

SHA1
450a3eb0ec332e643658bc6a8a5a94fb4b0f41b9

SHA256
877d4d148ddd634c30c781a9da721cec54f83c1cec9ff7995f94ad100c2aedd8

SHA512
c63c7eba2692232e4f8a84f2a6945adcf24187ff3d9ec8f7be29e51b3c2ff3c710b3d2cc6604434c2a6359801301e6fb5fb0f33b0fe1848d1c7d73bdc6f019c5

Download Submit
memory/1164-75-0x000002441D8D0000-0x000002441D8E0000-memory.dmp

Filesize
64KB

Download
memory/1164-81-0x000002441D920000-0x000002441D930000-memory.dmp

Filesize
64KB

Download
memory/1164-143-0x000002441D660000-0x000002441E660000-memory.dmp

Filesize
16.0MB

Download
memory/1164-32-0x000002441D660000-0x000002441E660000-memory.dmp

Filesize
16.0MB

Download
memory/1164-86-0x000002441D660000-0x000002441E660000-memory.dmp

Filesize
16.0MB

Download
memory/1164-58-0x000002441BFE0000-0x000002441BFE1000-memory.dmp

Filesize
4KB

Download
memory/1164-82-0x000002441D940000-0x000002441D950000-memory.dmp

Filesize
64KB

Download
memory/1164-66-0x000002441D660000-0x000002441E660000-memory.dmp

Filesize
16.0MB

Download
memory/1164-34-0x000002441BFE0000-0x000002441BFE1000-memory.dmp

Filesize
4KB

Download
memory/1164-79-0x000002441D910000-0x000002441D920000-memory.dmp

Filesize
64KB

Download
memory/1164-76-0x000002441D900000-0x000002441D910000-memory.dmp

Filesize
64KB

Download
memory/1164-77-0x000002441D8F0000-0x000002441D900000-memory.dmp

Filesize
64KB

Download
memory/1844-98-0x0000018285260000-0x0000018285261000-memory.dmp

Filesize
4KB

Download
memory/1844-103-0x0000018285280000-0x0000018286280000-memory.dmp

Filesize
16.0MB

Download
memory/1844-59-0x0000018285260000-0x0000018285261000-memory.dmp

Filesize
4KB

Download
memory/1844-54-0x0000018285260000-0x0000018285261000-memory.dmp

Filesize
4KB

Download
memory/1844-91-0x0000018285280000-0x0000018286280000-memory.dmp

Filesize
16.0MB

Download
memory/1844-94-0x0000018285260000-0x0000018285261000-memory.dmp

Filesize
4KB

Download
memory/1844-49-0x0000018285280000-0x0000018286280000-memory.dmp

Filesize
16.0MB

Download
memory/1844-142-0x0000018285280000-0x0000018286280000-memory.dmp

Filesize
16.0MB

Download
memory/1844-123-0x0000018285280000-0x0000018286280000-memory.dmp

Filesize
16.0MB

Download
memory/1844-115-0x0000018285280000-0x0000018286280000-memory.dmp

Filesize
16.0MB

Download
memory/1844-99-0x0000018285260000-0x0000018285261000-memory.dmp

Filesize
4KB

Download
memory/1844-141-0x0000018285590000-0x00000182855A0000-memory.dmp

Filesize
64KB

Download
memory/4016-7-0x0000018FC2840000-0x0000018FC3840000-memory.dmp

Filesize
16.0MB

Download
memory/4016-14-0x0000018FC0FB0000-0x0000018FC0FB1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads