vjw0rm | c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350

General

Target

c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js
Size

3.1MB
MD5

cf54d832051744f8a17d8883bb0d7579
SHA1

8996b0ea7579eefdc5b143d8e71e00fbabef2749
SHA256

c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350
SHA512

9918d08bdbcec5213e30cc732dbd0705bcc3a7db08090ae8366a57c9cbbb87296861c75eafb6f239deba92711d7cbacd482f2a25dea0ef96545fe00ae0cb40b6
SSDEEP

768:aBLsno5sVaEb33OSp4//6AtsaaiIWVibo1WFti/KaqQh:aBLso5sVaEb3+SAtsaaiBwU1WFyKnO

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 18 IoCs

flow	pid	Process
8	2740	wscript.exe
9	2268	wscript.exe
10	2608	wscript.exe
14	2740	wscript.exe
16	2608	wscript.exe
18	2268	wscript.exe
21	2740	wscript.exe
23	2608	wscript.exe
24	2268	wscript.exe
31	2740	wscript.exe
32	2608	wscript.exe
34	2268	wscript.exe
38	2740	wscript.exe
40	2608	wscript.exe
42	2268	wscript.exe
45	2740	wscript.exe
47	2608	wscript.exe
49	2268	wscript.exe

Drops startup file 5 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OfYaEGuGdY.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OfYaEGuGdY.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OfYaEGuGdY.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\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows\CurrentVersion\Run\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows\CurrentVersion\Run\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.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 2044 wrote to memory of 2268	2044	wscript.exe	28
PID 2044 wrote to memory of 2268	2044	wscript.exe	28
PID 2044 wrote to memory of 2268	2044	wscript.exe	28
PID 2044 wrote to memory of 2740	2044	wscript.exe	29
PID 2044 wrote to memory of 2740	2044	wscript.exe	29
PID 2044 wrote to memory of 2740	2044	wscript.exe	29
PID 2740 wrote to memory of 2608	2740	wscript.exe	31
PID 2740 wrote to memory of 2608	2740	wscript.exe	31
PID 2740 wrote to memory of 2608	2740	wscript.exe	31

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\OfYaEGuGdY.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:2268
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\OfYaEGuGdY.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    PID:2608

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

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js

Filesize
3.1MB

MD5
cf54d832051744f8a17d8883bb0d7579

SHA1
8996b0ea7579eefdc5b143d8e71e00fbabef2749

SHA256
c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350

SHA512
9918d08bdbcec5213e30cc732dbd0705bcc3a7db08090ae8366a57c9cbbb87296861c75eafb6f239deba92711d7cbacd482f2a25dea0ef96545fe00ae0cb40b6

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js

Filesize
3.1MB

MD5
cf54d832051744f8a17d8883bb0d7579

SHA1
8996b0ea7579eefdc5b143d8e71e00fbabef2749

SHA256
c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350

SHA512
9918d08bdbcec5213e30cc732dbd0705bcc3a7db08090ae8366a57c9cbbb87296861c75eafb6f239deba92711d7cbacd482f2a25dea0ef96545fe00ae0cb40b6

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

Filesize
1.1MB

MD5
596b02ecc4bc0964ab1a1852fa0a3aa7

SHA1
87ada931135f1d66f3a63c653d6934556421d922

SHA256
06375c4dce8d2215d5f4efcb7f9d4bc2154df82cb49f5b8ad2cde6b662880d2b

SHA512
5394a397e818eb8d9f2a6c2849a87201bc4a13314a7ae4381658421eb666023d225e29fdda57b999ecd49b0e445026e522f4be843994688fd415d308bc98c885

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

Filesize
1.1MB

MD5
596b02ecc4bc0964ab1a1852fa0a3aa7

SHA1
87ada931135f1d66f3a63c653d6934556421d922

SHA256
06375c4dce8d2215d5f4efcb7f9d4bc2154df82cb49f5b8ad2cde6b662880d2b

SHA512
5394a397e818eb8d9f2a6c2849a87201bc4a13314a7ae4381658421eb666023d225e29fdda57b999ecd49b0e445026e522f4be843994688fd415d308bc98c885

Download Submit
C:\Users\Admin\AppData\Roaming\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js

Filesize
3.1MB

MD5
cf54d832051744f8a17d8883bb0d7579

SHA1
8996b0ea7579eefdc5b143d8e71e00fbabef2749

SHA256
c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350

SHA512
9918d08bdbcec5213e30cc732dbd0705bcc3a7db08090ae8366a57c9cbbb87296861c75eafb6f239deba92711d7cbacd482f2a25dea0ef96545fe00ae0cb40b6

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads