Analysis Overview
SHA256
bdfeaf2f10c5843da5e7a5b5cfefe48f60cd4754d2a331c8c1dfb5c3a90fb7d1
Threat Level: Known bad
The file COAVegum-pdf.js was found to be: Known bad.
Malicious Activity Summary
Vjw0rm
AgentTesla
Blocklisted process makes network request
Executes dropped EXE
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops startup file
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
outlook_office_path
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
outlook_win_path
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-18 11:10
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-18 11:10
Reported
2022-10-18 11:12
Platform
win7-20220812-en
Max time kernel
128s
Max time network
141s
Command Line
Signatures
AgentTesla
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WfPDtvsdEF.js | C:\Windows\System32\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WfPDtvsdEF.js | C:\Windows\System32\wscript.exe | N/A |
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\audio_dg = "C:\\Users\\Admin\\AppData\\Roaming\\audio_dg\\audio_dg.exe" | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1948 wrote to memory of 2020 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\wscript.exe |
| PID 1948 wrote to memory of 2020 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\wscript.exe |
| PID 1948 wrote to memory of 2020 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\wscript.exe |
| PID 1948 wrote to memory of 1516 | N/A | C:\Windows\system32\wscript.exe | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe |
| PID 1948 wrote to memory of 1516 | N/A | C:\Windows\system32\wscript.exe | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe |
| PID 1948 wrote to memory of 1516 | N/A | C:\Windows\system32\wscript.exe | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe |
| PID 1948 wrote to memory of 1516 | N/A | C:\Windows\system32\wscript.exe | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe |
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\COAVegum-pdf.js
C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\WfPDtvsdEF.js"
C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe
"C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | javaautorun.duia.ro | udp |
| NG | 154.120.121.141:5465 | javaautorun.duia.ro | tcp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 52.20.78.240:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | server240.web-hosting.com | udp |
| US | 199.188.200.15:587 | server240.web-hosting.com | tcp |
| NG | 154.120.121.141:5465 | javaautorun.duia.ro | tcp |
| NG | 154.120.121.141:5465 | javaautorun.duia.ro | tcp |
| NG | 154.120.121.141:5465 | javaautorun.duia.ro | tcp |
| NG | 154.120.121.141:5465 | javaautorun.duia.ro | tcp |
Files
memory/1948-54-0x000007FEFBE41000-0x000007FEFBE43000-memory.dmp
memory/2020-55-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\WfPDtvsdEF.js
| MD5 | e2f132785fa07b0d29a5e94676f06e0b |
| SHA1 | 6e8cd782c173a0b145d68a16952e7aa3a5bc26a1 |
| SHA256 | 844966b61c3a7065a8b313ad25d65dd05ee4440c4b1f609fd0d175c926ce8d85 |
| SHA512 | 88ad1be03af8ecb549008e095c219848dec04398352fd1c8e7d6e706dbb9642f07fc87b326c56c288a93bc451512f60f8c8f6b250ea1609aa47e02831586dd57 |
memory/1516-57-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe
| MD5 | d38c08505b96562261c3920265bb4f97 |
| SHA1 | 7b7bb2838e3e04d412fdde726b351ac0a6eaba80 |
| SHA256 | 83a0e9ffbf7ec5895ec2062597c34e6e88cc48a608896e2722b78677e2e04ea9 |
| SHA512 | 9eac7bb3dac64db0aa5c90d6609545fb1b2c07b7721c01046db11742e4097e9c6b842dadd9e97627e6f9df73abe98494e2616467a339051fc9cf8fc00df0b4d8 |
C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe
| MD5 | d38c08505b96562261c3920265bb4f97 |
| SHA1 | 7b7bb2838e3e04d412fdde726b351ac0a6eaba80 |
| SHA256 | 83a0e9ffbf7ec5895ec2062597c34e6e88cc48a608896e2722b78677e2e04ea9 |
| SHA512 | 9eac7bb3dac64db0aa5c90d6609545fb1b2c07b7721c01046db11742e4097e9c6b842dadd9e97627e6f9df73abe98494e2616467a339051fc9cf8fc00df0b4d8 |
memory/1516-61-0x0000000000980000-0x00000000009BC000-memory.dmp
memory/1516-62-0x00000000764D1000-0x00000000764D3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-18 11:10
Reported
2022-10-18 11:12
Platform
win10v2004-20220901-en
Max time kernel
142s
Max time network
153s
Command Line
Signatures
AgentTesla
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.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 opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WfPDtvsdEF.js | C:\Windows\System32\wscript.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WfPDtvsdEF.js | C:\Windows\System32\wscript.exe | N/A |
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\audio_dg = "C:\\Users\\Admin\\AppData\\Roaming\\audio_dg\\audio_dg.exe" | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4880 wrote to memory of 3140 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\wscript.exe |
| PID 4880 wrote to memory of 3140 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\wscript.exe |
| PID 4880 wrote to memory of 3084 | N/A | C:\Windows\system32\wscript.exe | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe |
| PID 4880 wrote to memory of 3084 | N/A | C:\Windows\system32\wscript.exe | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe |
| PID 4880 wrote to memory of 3084 | N/A | C:\Windows\system32\wscript.exe | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe |
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe | N/A |
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\COAVegum-pdf.js
C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\WfPDtvsdEF.js"
C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe
"C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | javaautorun.duia.ro | udp |
| NG | 154.120.121.141:5465 | javaautorun.duia.ro | tcp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 52.20.78.240:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | server240.web-hosting.com | udp |
| US | 199.188.200.15:587 | server240.web-hosting.com | tcp |
| US | 20.189.173.12:443 | tcp | |
| NG | 154.120.121.141:5465 | javaautorun.duia.ro | tcp |
| US | 8.238.21.254:80 | tcp | |
| US | 8.238.21.254:80 | tcp | |
| US | 8.238.21.254:80 | tcp | |
| NG | 154.120.121.141:5465 | javaautorun.duia.ro | tcp |
| NG | 154.120.121.141:5465 | javaautorun.duia.ro | tcp |
| NG | 154.120.121.141:5465 | javaautorun.duia.ro | tcp |
| NG | 154.120.121.141:5465 | javaautorun.duia.ro | tcp |
Files
memory/3140-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\WfPDtvsdEF.js
| MD5 | e2f132785fa07b0d29a5e94676f06e0b |
| SHA1 | 6e8cd782c173a0b145d68a16952e7aa3a5bc26a1 |
| SHA256 | 844966b61c3a7065a8b313ad25d65dd05ee4440c4b1f609fd0d175c926ce8d85 |
| SHA512 | 88ad1be03af8ecb549008e095c219848dec04398352fd1c8e7d6e706dbb9642f07fc87b326c56c288a93bc451512f60f8c8f6b250ea1609aa47e02831586dd57 |
memory/3084-134-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe
| MD5 | d38c08505b96562261c3920265bb4f97 |
| SHA1 | 7b7bb2838e3e04d412fdde726b351ac0a6eaba80 |
| SHA256 | 83a0e9ffbf7ec5895ec2062597c34e6e88cc48a608896e2722b78677e2e04ea9 |
| SHA512 | 9eac7bb3dac64db0aa5c90d6609545fb1b2c07b7721c01046db11742e4097e9c6b842dadd9e97627e6f9df73abe98494e2616467a339051fc9cf8fc00df0b4d8 |
C:\Users\Admin\AppData\Local\Temp\anew4FUDcrypt.exe
| MD5 | d38c08505b96562261c3920265bb4f97 |
| SHA1 | 7b7bb2838e3e04d412fdde726b351ac0a6eaba80 |
| SHA256 | 83a0e9ffbf7ec5895ec2062597c34e6e88cc48a608896e2722b78677e2e04ea9 |
| SHA512 | 9eac7bb3dac64db0aa5c90d6609545fb1b2c07b7721c01046db11742e4097e9c6b842dadd9e97627e6f9df73abe98494e2616467a339051fc9cf8fc00df0b4d8 |
memory/3084-137-0x0000000000320000-0x000000000035C000-memory.dmp
memory/3084-138-0x00000000052F0000-0x0000000005894000-memory.dmp
memory/3084-139-0x0000000004D40000-0x0000000004DDC000-memory.dmp
memory/3084-140-0x00000000059E0000-0x0000000005A46000-memory.dmp
memory/3084-141-0x00000000065E0000-0x0000000006630000-memory.dmp
memory/3084-142-0x00000000067D0000-0x0000000006862000-memory.dmp
memory/3084-143-0x0000000006900000-0x000000000690A000-memory.dmp