| File name: | ntwlk.ps1 |
| Full analysis: | https://app.any.run/tasks/07ae5786-7357-4eca-ba58-d20a6b016be9 |
| Verdict: | Malicious activity |
| Threats: | Netwalker is ransomware — it belongs to a malware family which encrypts files and demands users to pay a ransom to get their data back. Netwalker utilizes several sophisticated techniques, such as process hollowing and code obfuscation to target corporate victims. |
| Analysis date: | February 04, 2021, 19:11:28 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | text/plain |
| File info: | ASCII text, with very long lines, with CRLF line terminators |
| MD5: | B00A80F645DFEEA15C54C9F1BE228705 |
| SHA1: | D8D54FC79318030C2DD075C66F3ACC06DA0C6C7F |
| SHA256: | 9A601B6A24298764D589E0D9BF5D48AB0A3F472E013CE0480DD87F60083549B1 |
| SSDEEP: | 24576:mij9mvisbVnmQWqzE9G3sDGERYeKBIZcwMfXzz4N6X61yMXJrpuWcWOeTeJLDx48:0 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 656 | C:\Windows\Explorer.EXE | C:\Windows\explorer.exe | — | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1856 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RESB302.tmp" "c:\Users\admin\AppData\Local\Temp\CSCB301.tmp" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe | — | csc.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft® Resource File To COFF Object Conversion Utility Exit code: 0 Version: 8.00.50727.4940 (Win7SP1.050727-5400) Modules
| |||||||||||||||
| 2476 | "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "-file" "C:\Users\admin\AppData\Local\Temp\ntwlk.ps1" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2564 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\kl7shsd6.cmdline" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe | powershell.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Visual C# Command Line Compiler Exit code: 0 Version: 8.0.50727.4927 (NetFXspW7.050727-4900) Modules
| |||||||||||||||
| 2940 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\pdxxzhbz.cmdline" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe | powershell.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Visual C# Command Line Compiler Exit code: 0 Version: 8.0.50727.4927 (NetFXspW7.050727-4900) Modules
| |||||||||||||||
| 3356 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RESB3FC.tmp" "c:\Users\admin\AppData\Local\Temp\CSCB3FB.tmp" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe | — | csc.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft® Resource File To COFF Object Conversion Utility Exit code: 0 Version: 8.00.50727.4940 (Win7SP1.050727-5400) Modules
| |||||||||||||||
| 6700 | "C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\Desktop\48B26C-Readme.txt | C:\Windows\system32\NOTEPAD.EXE | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 8988 | C:\Windows\system32\notepad.exe "C:\Users\admin\Desktop\48B26C-Readme.txt" | C:\Windows\system32\notepad.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| (PID) Process: | (656) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\13B\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (656) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\13B\52C64B7E |
| Operation: | write | Name: | @"%systemroot%\system32\windowspowershell\v1.0\powershell.exe",-111 |
Value: Performs object-based (command-line) functions | |||
| (PID) Process: | (2476) powershell.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\13B\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2476) powershell.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2476) powershell.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (656) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{CEBFF5CD-ACE2-4F4F-9178-9926F41749EA}\Count |
| Operation: | write | Name: | {Q65231O0-O2S1-4857-N4PR-N8R7P6RN7Q27}\JvaqbjfCbjreFuryy\i1.0\cbjrefuryy.rkr |
Value: 00000000000000000000000000000000000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BFFFFFFFFF000000000000000000000000 | |||
| (PID) Process: | (656) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{CEBFF5CD-ACE2-4F4F-9178-9926F41749EA}\Count |
| Operation: | write | Name: | HRZR_PGYFRFFVBA |
Value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| |||
| (PID) Process: | (656) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{CEBFF5CD-ACE2-4F4F-9178-9926F41749EA}\Count |
| Operation: | write | Name: | {Q65231O0-O2S1-4857-N4PR-N8R7P6RN7Q27}\abgrcnq.rkr |
Value: 000000000100000001000000CF840000000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BFFFFFFFFF408F31D06695D60100000000 | |||
| (PID) Process: | (656) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{CEBFF5CD-ACE2-4F4F-9178-9926F41749EA}\Count |
| Operation: | write | Name: | HRZR_PGYFRFFVBA |
Value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| |||
| (PID) Process: | (656) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{CEBFF5CD-ACE2-4F4F-9178-9926F41749EA}\Count |
| Operation: | write | Name: | {Q65231O0-O2S1-4857-N4PR-N8R7P6RN7Q27}\ABGRCNQ.RKR |
Value: 000000000200000001000000CF840000000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BFFFFFFFFF40FE0DCF29FBD60100000000 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2476 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\JDDEXL5Y1TU1QYHVHU7F.temp | — | |
MD5:— | SHA256:— | |||
| 2940 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSCB301.tmp | — | |
MD5:— | SHA256:— | |||
| 1856 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RESB302.tmp | — | |
MD5:— | SHA256:— | |||
| 2476 | powershell.exe | C:\Users\admin\AppData\Local\Temp\kl7shsd6.0.cs | — | |
MD5:— | SHA256:— | |||
| 2476 | powershell.exe | C:\Users\admin\AppData\Local\Temp\kl7shsd6.cmdline | — | |
MD5:— | SHA256:— | |||
| 2564 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSCB3FB.tmp | — | |
MD5:— | SHA256:— | |||
| 2564 | csc.exe | C:\Users\admin\AppData\Local\Temp\kl7shsd6.pdb | — | |
MD5:— | SHA256:— | |||
| 3356 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RESB3FC.tmp | — | |
MD5:— | SHA256:— | |||
| 2564 | csc.exe | C:\Users\admin\AppData\Local\Temp\kl7shsd6.dll | — | |
MD5:— | SHA256:— | |||
| 2564 | csc.exe | C:\Users\admin\AppData\Local\Temp\kl7shsd6.out | — | |
MD5:— | SHA256:— | |||
Process | Message |
|---|---|
csc.exe |
*** HR originated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1302
|
csc.exe |
*** HR propagated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\enumidentityattribute.cpp, line 144
|
csc.exe |
*** HR originated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1302
|
csc.exe |
*** HR propagated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\enumidentityattribute.cpp, line 144
|
csc.exe |
*** HR originated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1302
|
csc.exe |
*** HR propagated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\enumidentityattribute.cpp, line 144
|
csc.exe |
*** HR originated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1302
|
csc.exe |
*** HR propagated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\enumidentityattribute.cpp, line 144
|
csc.exe |
*** HR originated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1302
|
csc.exe |
*** HR propagated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\enumidentityattribute.cpp, line 144
|