| File name: | 1.exe |
| Full analysis: | https://app.any.run/tasks/e3e4b168-e439-47bd-8da0-4b4d48a39d24 |
| Verdict: | Malicious activity |
| Threats: | A backdoor is a type of cybersecurity threat that allows attackers to secretly compromise a system and conduct malicious activities, such as stealing data and modifying files. Backdoors can be difficult to detect, as they often use legitimate system applications to evade defense mechanisms. Threat actors often utilize special malware, such as PlugX, to establish backdoors on target devices. |
| Analysis date: | July 07, 2024, 10:28:35 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (console) Intel 80386, for MS Windows |
| MD5: | BB2B1CD32CFA51137D5EDE0892F76223 |
| SHA1: | 1E31B1BD8D72677498F9C4800C5321FA0C1D3B5D |
| SHA256: | 3DC6414F1C8447A3A73A713D660BC7B7AB809A54FD4A1B7543C874B81D2AEA74 |
| SSDEEP: | 6144:aB1QWXQkN7z2NAH06pGkYnQFV10CU4/KqfC6cvvs6Ksd3Ha/NjUYyl5El9iqGuRU:Q1QWgkrgkYnAEqa60KsSNM6l9iog |
| .exe | | | Generic Win/DOS Executable (50) |
|---|---|---|
| .exe | | | DOS Executable Generic (49.9) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2024:06:20 11:50:59+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 14 |
| CodeSize: | 299520 |
| InitializedDataSize: | 108032 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x208f0 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows command line |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 652 | C:\WINDOWS\SysWOW64\WerFault.exe -u -p 6552 -s 624 | C:\Windows\SysWOW64\WerFault.exe | Remover.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Problem Reporting Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1204 | "C:\Users\admin\Desktop\1.exe" | C:\Users\admin\Desktop\1.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 4148 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | 1.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5872 | "C:\Users\Public\serupdate\A.exe" | C:\Users\Public\serupdate\A.exe | explorer.exe | ||||||||||||
User: admin Company: G DATA Software AG Integrity Level: MEDIUM Description: G DATA AntiSpam UI Exit code: 243974658 Version: 25.1.24025.1146 Modules
| |||||||||||||||
| 6180 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | office.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6552 | C:\Users\Public\serupdate\Remover.exe | C:\Users\Public\serupdate\Remover.exe | 1.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: bypass02 Exit code: 3221225477 Version: 1, 0, 0, 1 Modules
| |||||||||||||||
| 6580 | office.exe | C:\Users\Public\serupdate\office.exe | A.exe | ||||||||||||
User: admin Company: 网易灵犀 Integrity Level: MEDIUM Description: 网易灵犀办公 Version: 1.40.2 Modules
| |||||||||||||||
| 6600 | explorer.exe C:\Users\Public\serupdate | C:\Windows\SysWOW64\explorer.exe | — | Remover.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 1 Version: 10.0.19041.3758 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6632 | C:\WINDOWS\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding | C:\Windows\explorer.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Version: 10.0.19041.3758 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7104 | C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding | C:\Windows\System32\rundll32.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| (PID) Process: | (6632) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU |
| Operation: | write | Name: | NodeSlots |
Value: 0202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202 | |||
| (PID) Process: | (6632) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU |
| Operation: | write | Name: | MRUListEx |
Value: 040000000E00000003000000000000000C0000000D0000000B000000050000000A000000090000000800000001000000070000000600000002000000FFFFFFFF | |||
| (PID) Process: | (6632) explorer.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Internet Explorer\Toolbar |
| Operation: | write | Name: | Locked |
Value: 1 | |||
| (PID) Process: | (6632) explorer.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Ribbon |
| Operation: | write | Name: | MinimizedStateTabletModeOff |
Value: 0 | |||
| (PID) Process: | (6632) explorer.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Ribbon |
| Operation: | write | Name: | QatItems |
Value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| |||
| (PID) Process: | (6632) explorer.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser |
| Operation: | write | Name: | ITBar7Layout |
Value: 13000000000000000000000020000000100000000000000001000000010700005E01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (6632) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\4\0\4 |
| Operation: | write | Name: | 1 |
Value: 7C00310000000000E7589A5311005075626C69630000660009000400EFBE874FDB49E758A0532E0000005AC700000000030000000000000000003C0000000000614B08015000750062006C0069006300000040007300680065006C006C00330032002E0064006C006C002C002D0032003100380031003600000016000000 | |||
| (PID) Process: | (6632) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\4\0\4\1 |
| Operation: | delete value | Name: | MRUList |
Value: | |||
| (PID) Process: | (6632) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\4\0\4 |
| Operation: | write | Name: | MRUListEx |
Value: 0100000000000000FFFFFFFF | |||
| (PID) Process: | (6632) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\4\0\4\1 |
| Operation: | write | Name: | 0 |
Value: 5C00310000000000E758A05310005345525550447E310000440009000400EFBEE7589A53E758A0532E0000009A5F05000000070000000000000000000000000000007761E700730065007200750070006400610074006500000018000000 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 652 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_Remover.exe_70db5ed651cac3d44cd3c0bcfdd88c8cb26b26_3aff6587_0b97031e-c7a8-49ac-927b-e71d2b5db316\Report.wer | — | |
MD5:— | SHA256:— | |||
| 1204 | 1.exe | C:\Users\Public\serupdate\Remover.exe | executable | |
MD5:52037E4DA344B53FF60C42FA92918D3F | SHA256:B97B88DE39C5CFA9F568194682708AD521AE920AB26DD57986DC70F92CD9C9EE | |||
| 1204 | 1.exe | C:\Users\Public\serupdate\office.exe | executable | |
MD5:5DEE06E2307259C4628B8AE213C80492 | SHA256:ED746438D971E50835C87707945102A52E1FE763FCB576869E08807D425F9511 | |||
| 652 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WER522A.tmp.dmp | dmp | |
MD5:8B84213FCD825ADA6A5FD50B8CDDDFEB | SHA256:2ED46DEC3844F5E29C51E14D12321A675FEBD6DFE4181EBACF61FC0157CBBF20 | |||
| 1204 | 1.exe | C:\Users\Public\serupdate\ask.dll | executable | |
MD5:544728F37DC9E4A605CF143748DB4BB1 | SHA256:4010B3F5DA5D7CE3DADEC745ACBAB6A49469CF17BC7E864CFE4400281F683838 | |||
| 652 | WerFault.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE | der | |
MD5:CBA2426F2AAFE31899569ACE05E89796 | SHA256:A465FEBE8A024E3CDB548A3731B2EA60C7B2919E941A24B9A42890B2B039B85A | |||
| 652 | WerFault.exe | C:\Users\admin\AppData\Local\CrashDumps\Remover.exe.6552.dmp | binary | |
MD5:ABFB9B81720BBCE1545FA18133BEFFE1 | SHA256:760DC8D76C9954818DF3330F646FEB1822FD8C4B76A07C3AF54D8E5793841C45 | |||
| 652 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WER5306.tmp.xml | xml | |
MD5:FE8B0C750F39934C96E513D540F260AC | SHA256:FA8A4B627E9FB3260ABA8B64B1F843B7F9B0E6E5473C222ACFCA09903924454D | |||
| 652 | WerFault.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE | binary | |
MD5:1EB558BF5597367DC7325FF1E3848279 | SHA256:74381B45F5787E6CC921B886A257F383534DF0ED371FF1052731E398662F3129 | |||
| 1204 | 1.exe | C:\Users\Public\serupdate\A.exe | executable | |
MD5:90372D5D20E02DBACEA89C48DDD1F200 | SHA256:FC66BB6617584CC8EACBCEA1CC4D2DFA4890B89F5AFB643B21647EFE7F516B39 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2072 | svchost.exe | GET | 200 | 23.48.23.156:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | unknown |
2072 | svchost.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | unknown |
1204 | 1.exe | GET | 200 | 104.233.187.248:3000 | http://104.233.187.248:3000/Public/A.exe | unknown | — | — | unknown |
1204 | 1.exe | GET | 200 | 104.233.187.248:3000 | http://104.233.187.248:3000/Public/ask.dll | unknown | — | — | unknown |
1204 | 1.exe | GET | 200 | 104.233.187.248:3000 | http://104.233.187.248:3000/Public/Remover.exe | unknown | — | — | unknown |
4656 | SearchApp.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | unknown |
1204 | 1.exe | GET | 200 | 104.233.187.248:3000 | http://104.233.187.248:3000/Public/office.exe | unknown | — | — | unknown |
3760 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | unknown |
2032 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | unknown |
652 | WerFault.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | unknown |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
2072 | svchost.exe | 40.127.240.158:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | unknown |
4032 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1292 | RUXIMICS.exe | 40.127.240.158:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | unknown |
776 | MoUsoCoreWorker.exe | 40.127.240.158:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | unknown |
2072 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
2072 | svchost.exe | 23.48.23.156:80 | crl.microsoft.com | Akamai International B.V. | DE | unknown |
2072 | svchost.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | unknown |
1204 | 1.exe | 104.233.187.248:3000 | — | PEGTECHINC | US | unknown |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
www.bing.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
login.live.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
1204 | 1.exe | A Network Trojan was detected | ET MALWARE Single char EXE direct download likely trojan (multiple families) |
1204 | 1.exe | Potential Corporate Privacy Violation | ET POLICY PE EXE or DLL Windows file download HTTP |
1204 | 1.exe | Potentially Bad Traffic | ET INFO Executable Download from dotted-quad Host |
1204 | 1.exe | Potentially Bad Traffic | ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download |
1204 | 1.exe | Potentially Bad Traffic | ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response |
1204 | 1.exe | Potentially Bad Traffic | ET INFO Dotted Quad Host DLL Request |
1204 | 1.exe | Potentially Bad Traffic | ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download |
1204 | 1.exe | Potential Corporate Privacy Violation | ET POLICY PE EXE or DLL Windows file download HTTP |
1204 | 1.exe | Misc activity | ET INFO Packed Executable Download |
1204 | 1.exe | Misc activity | ET INFO EXE IsDebuggerPresent (Used in Malware Anti-Debugging) |