Analysis Overview
SHA256
a1aa91a1ae489d8be807999d3b7a8bc8b10794063d763d06667384ae6152e720
Threat Level: Known bad
The file Purchase Order____________pdf.js was found to be: Known bad.
Malicious Activity Summary
Vjw0rm
Blocklisted process makes network request
Drops startup file
Checks computer location settings
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-09-26 18:29
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-09-26 18:29
Reported
2022-09-26 18:31
Platform
win7-20220812-en
Max time kernel
146s
Max time network
154s
Command Line
Signatures
Vjw0rm
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nbrkkMGeYq.js | C:\Windows\System32\WScript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nbrkkMGeYq.js | C:\Windows\System32\WScript.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Java\jre7\bin\javaw.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1264 wrote to memory of 1352 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WScript.exe |
| PID 1264 wrote to memory of 1352 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WScript.exe |
| PID 1264 wrote to memory of 1352 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WScript.exe |
| PID 1264 wrote to memory of 1692 | N/A | C:\Windows\system32\wscript.exe | C:\Program Files\Java\jre7\bin\javaw.exe |
| PID 1264 wrote to memory of 1692 | N/A | C:\Windows\system32\wscript.exe | C:\Program Files\Java\jre7\bin\javaw.exe |
| PID 1264 wrote to memory of 1692 | N/A | C:\Windows\system32\wscript.exe | C:\Program Files\Java\jre7\bin\javaw.exe |
Processes
C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Purchase Order____________pdf.js"
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\nbrkkMGeYq.js"
C:\Program Files\Java\jre7\bin\javaw.exe
"C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\ylyejzksts.txt"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | southpowerdiesels.line.pm | udp |
| US | 163.123.142.192:5098 | southpowerdiesels.line.pm | tcp |
| US | 8.8.8.8:53 | javaautorun.duia.ro | udp |
| NG | 41.217.38.90:5433 | javaautorun.duia.ro | tcp |
| NG | 41.217.38.90:5433 | javaautorun.duia.ro | tcp |
| NG | 41.217.38.90:5433 | javaautorun.duia.ro | tcp |
| NG | 41.217.38.90:5433 | javaautorun.duia.ro | tcp |
| NG | 41.217.38.90:5433 | javaautorun.duia.ro | tcp |
Files
memory/1264-54-0x000007FEFC581000-0x000007FEFC583000-memory.dmp
memory/1352-55-0x0000000000000000-mapping.dmp
memory/1692-56-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\ylyejzksts.txt
| MD5 | df91a24b4385f63e96878f62cc9257a0 |
| SHA1 | e91ccdbb6122256b89b652ab65dc2d3411f442c4 |
| SHA256 | 11a49b8ff72f776e7565eba69e17ae09bee0aa51dd7c66ae6874bed08f2f6e08 |
| SHA512 | 179b4886ccbb6ecbbb9fa54c2516709d44cb5f1a710369321b615c22ecc4a7b4101119063654060243a742b4a5605d5dce994d10076802cd3089399eaf44b090 |
C:\Users\Admin\AppData\Roaming\nbrkkMGeYq.js
| MD5 | a9238779333b1aea96970177b647723b |
| SHA1 | 8f5ee4d7b77ff3b00473ed0acbf33fe7c72f3b76 |
| SHA256 | 9575923c7e3fe773ed3a5a0e9527d14d7e0ac80f57ea817cd079b392191e81b3 |
| SHA512 | 825127d06be4413db342e968b24d73c2bd552eca3a3a87489b0f4bc53d02ccfa0bf0a9fff42b2d87295ac629e598eec7d47dfb618daedad877710bd8719b4674 |
memory/1692-65-0x0000000002260000-0x0000000005260000-memory.dmp
memory/1692-74-0x0000000000270000-0x000000000027A000-memory.dmp
memory/1692-75-0x0000000000270000-0x000000000027A000-memory.dmp
memory/1692-76-0x0000000002260000-0x0000000005260000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-09-26 18:29
Reported
2022-09-26 18:31
Platform
win10v2004-20220901-en
Max time kernel
150s
Max time network
153s
Command Line
Signatures
Vjw0rm
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation | C:\Windows\system32\wscript.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nbrkkMGeYq.js | C:\Windows\System32\WScript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nbrkkMGeYq.js | C:\Windows\System32\WScript.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings | C:\Windows\system32\wscript.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3716 wrote to memory of 3588 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WScript.exe |
| PID 3716 wrote to memory of 3588 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WScript.exe |
| PID 3716 wrote to memory of 392 | N/A | C:\Windows\system32\wscript.exe | C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe |
| PID 3716 wrote to memory of 392 | N/A | C:\Windows\system32\wscript.exe | C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe |
Processes
C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Purchase Order____________pdf.js"
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\nbrkkMGeYq.js"
C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
"C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\hytjxfaw.txt"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | javaautorun.duia.ro | udp |
| NG | 41.217.38.90:5433 | javaautorun.duia.ro | tcp |
| US | 8.8.8.8:53 | southpowerdiesels.line.pm | udp |
| US | 163.123.142.192:5098 | southpowerdiesels.line.pm | tcp |
| US | 104.208.16.90:443 | tcp | |
| NG | 41.217.38.90:5433 | javaautorun.duia.ro | tcp |
| US | 67.26.207.254:80 | tcp | |
| US | 67.26.207.254:80 | tcp | |
| US | 67.26.207.254:80 | tcp | |
| NG | 41.217.38.90:5433 | javaautorun.duia.ro | tcp |
| NG | 41.217.38.90:5433 | javaautorun.duia.ro | tcp |
| NG | 41.217.38.90:5433 | javaautorun.duia.ro | tcp |
| NG | 41.217.38.90:5433 | javaautorun.duia.ro | tcp |
Files
memory/3588-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\nbrkkMGeYq.js
| MD5 | a9238779333b1aea96970177b647723b |
| SHA1 | 8f5ee4d7b77ff3b00473ed0acbf33fe7c72f3b76 |
| SHA256 | 9575923c7e3fe773ed3a5a0e9527d14d7e0ac80f57ea817cd079b392191e81b3 |
| SHA512 | 825127d06be4413db342e968b24d73c2bd552eca3a3a87489b0f4bc53d02ccfa0bf0a9fff42b2d87295ac629e598eec7d47dfb618daedad877710bd8719b4674 |
memory/392-134-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\hytjxfaw.txt
| MD5 | df91a24b4385f63e96878f62cc9257a0 |
| SHA1 | e91ccdbb6122256b89b652ab65dc2d3411f442c4 |
| SHA256 | 11a49b8ff72f776e7565eba69e17ae09bee0aa51dd7c66ae6874bed08f2f6e08 |
| SHA512 | 179b4886ccbb6ecbbb9fa54c2516709d44cb5f1a710369321b615c22ecc4a7b4101119063654060243a742b4a5605d5dce994d10076802cd3089399eaf44b090 |
memory/392-140-0x0000000002FD0000-0x0000000003FD0000-memory.dmp
memory/392-148-0x0000000002FD0000-0x0000000003FD0000-memory.dmp
memory/392-149-0x0000000002FD0000-0x0000000003FD0000-memory.dmp
memory/392-150-0x0000000002FD0000-0x0000000003FD0000-memory.dmp
memory/392-151-0x0000000002FD0000-0x0000000003FD0000-memory.dmp
memory/392-153-0x0000000002FD0000-0x0000000003FD0000-memory.dmp
memory/392-154-0x0000000002FD0000-0x0000000003FD0000-memory.dmp
memory/392-156-0x0000000002FD0000-0x0000000003FD0000-memory.dmp
memory/392-157-0x0000000002FD0000-0x0000000003FD0000-memory.dmp