Analysis Overview
SHA256
4f3ad298763c484458b73b7e53ff043df5b3923187cda71b50424f14949b336c
Threat Level: Known bad
The file GOE-6.508.pdf.js was found to be: Known bad.
Malicious Activity Summary
suricata: ET MALWARE WSHRAT Credential Dump Module Download Command Inbound
suricata: ET MALWARE WSHRAT CnC Checkin
Wshrat family
WSHRAT
suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm Checkin 1
WSHRAT Payload
Blocklisted process makes network request
Executes dropped EXE
Drops startup file
Adds Run key to start application
Looks up external IP address via web service
HTTP links in PDF interactive object
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Script User-Agent
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Kills process with taskkill
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-01 15:41
Signatures
WSHRAT Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Wshrat family
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-01 15:41
Reported
2022-02-01 15:43
Platform
win7-en-20211208
Max time kernel
156s
Max time network
153s
Command Line
Signatures
WSHRAT
WSHRAT Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
suricata: ET MALWARE WSHRAT CnC Checkin
suricata: ET MALWARE WSHRAT Credential Dump Module Download Command Inbound
suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm Checkin 1
Blocklisted process makes network request
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\kl-plugin.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\GOE-6.508.pdf.js | C:\Windows\system32\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\GOE-6.508.pdf.js | C:\Windows\System32\wscript.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\software\microsoft\windows\currentversion\run | C:\Windows\system32\wscript.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\GOE-6 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\GOE-6.508.pdf.js\"" | C:\Windows\system32\wscript.exe | N/A |
| Key created | \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run | C:\Windows\system32\wscript.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GOE-6 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\GOE-6.508.pdf.js\"" | C:\Windows\system32\wscript.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\software\microsoft\windows\currentversion\run | C:\Windows\System32\wscript.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\GOE-6 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\GOE-6.508.pdf.js\"" | C:\Windows\System32\wscript.exe | N/A |
| Key created | \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run | C:\Windows\System32\wscript.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GOE-6 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\GOE-6.508.pdf.js\"" | C:\Windows\System32\wscript.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
HTTP links in PDF interactive object
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\taskkill.exe | N/A |
Script User-Agent
| Description | Indicator | Process | Target |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
| HTTP User-Agent header | WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands | N/A | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\taskkill.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\kl-plugin.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\kl-plugin.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\GOE-6.508.pdf.js
C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\GOE-6.508.pdf.js"
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\GOE-6.508.pdf"
C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe" /c taskkill /F /IM kl-plugin.exe
C:\Windows\system32\taskkill.exe
taskkill /F /IM kl-plugin.exe
C:\Users\Admin\AppData\Roaming\kl-plugin.exe
"C:\Users\Admin\AppData\Roaming\kl-plugin.exe" 111.90.149.115 5200 "WSHRAT|C435AF30|VQVVOAJK|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 1/2/2022|JavaScript-v2.0|NL:Netherlands" 1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| US | 8.8.8.8:53 | doughnut-snack.live | udp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
| MY | 111.90.149.115:5200 | 111.90.149.115 | tcp |
Files
memory/308-54-0x000007FEFC451000-0x000007FEFC453000-memory.dmp
C:\Users\Admin\AppData\Roaming\GOE-6.508.pdf.js
| MD5 | a35a17d6d986737f8d13c2e7896175b4 |
| SHA1 | ec1631b83df832f28b20c86b629e0c2862b3334c |
| SHA256 | 4f3ad298763c484458b73b7e53ff043df5b3923187cda71b50424f14949b336c |
| SHA512 | 81c8e1d2b857973c752f524fa8461c91fb50ffa33b33d8617fcc326d386c69d2e3b94555651e4f304d98ef2aae2a5a180fcc31b156cbe07e0eb37777c93f2b53 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\GOE-6.508.pdf.js
| MD5 | a35a17d6d986737f8d13c2e7896175b4 |
| SHA1 | ec1631b83df832f28b20c86b629e0c2862b3334c |
| SHA256 | 4f3ad298763c484458b73b7e53ff043df5b3923187cda71b50424f14949b336c |
| SHA512 | 81c8e1d2b857973c752f524fa8461c91fb50ffa33b33d8617fcc326d386c69d2e3b94555651e4f304d98ef2aae2a5a180fcc31b156cbe07e0eb37777c93f2b53 |
memory/540-58-0x0000000076491000-0x0000000076493000-memory.dmp
C:\Users\Admin\AppData\Roaming\GOE-6.508.pdf
| MD5 | 079583d407341726613315054d90c42a |
| SHA1 | 6003dbe6486a771389b135d0df0fcc20d18b3fe6 |
| SHA256 | d40d608c292bdc6c8181451d7394b8a7f834066e49742be6f655c3284f934b87 |
| SHA512 | fa1b8b363e728bcecfa4164c866a350f9fa94706b97cff638e962d29a6bfc7f926499fcc24ffbc7e1d70b3a50e5d3523455f71efe84e81bce9e94ae72b787fe8 |
C:\Users\Admin\AppData\Roaming\kl-plugin.exe
| MD5 | 7099a939fa30d939ccceb2f0597b19ed |
| SHA1 | 37b644ef5722709cd9024a372db4590916381976 |
| SHA256 | 272e64291748fa8be01109faa46c0ea919bf4baf4924177ea6ac2ee0574f1c1a |
| SHA512 | 6e179a32b3091beee71d425248ae56495e31e9df569159a93af5826ddef28fba904ae4810d3ca2da45fe6dc8be1eeaecf71e8225b3e605f22f41f4e46d1cf721 |
C:\Users\Admin\AppData\Roaming\kl-plugin.exe
| MD5 | 7099a939fa30d939ccceb2f0597b19ed |
| SHA1 | 37b644ef5722709cd9024a372db4590916381976 |
| SHA256 | 272e64291748fa8be01109faa46c0ea919bf4baf4924177ea6ac2ee0574f1c1a |
| SHA512 | 6e179a32b3091beee71d425248ae56495e31e9df569159a93af5826ddef28fba904ae4810d3ca2da45fe6dc8be1eeaecf71e8225b3e605f22f41f4e46d1cf721 |
memory/1780-63-0x0000000002110000-0x0000000002111000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-01 15:41
Reported
2022-02-01 15:42
Platform
win10v2004-en-20220112
Max time network
4s
Command Line
Signatures
Processes
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp |