| File name: | BitDefender Update Handlers.zip |
| Full analysis: | https://app.any.run/tasks/8af025f9-ddab-4b18-9978-a625eeff402b |
| Verdict: | Malicious activity |
| Threats: | PlugX is a remote access trojan that is used extensively by Chinese APTs. The malware is primarily employed for spying on victims and can perform a variety of malicious activities, such as logging users’ keystrokes and exfiltrating information from browsers. |
| Analysis date: | August 21, 2023, 11:54:16 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v2.0 to extract |
| MD5: | 28485116F9AA1EF2FFF9AAD86BDA9B59 |
| SHA1: | 6BA0E57B4774358715CD700B6FF387DBD63C63C4 |
| SHA256: | 09BFC423E4BC7A5EBB42808EB101EAA827B6FC9639B4BA313F307D0C9853D4AF |
| SSDEEP: | 6144:T6XXkZaOOrBn4Gc/+EOxPX/hGL34/paXvJj7hPp:T6J/NnSv6qspgP |
MALICIOUS
Application was dropped or rewritten from another process
- bdreinit.exe (PID: 2732)
- bdreinit.exe (PID: 2556)
- bdreinit.exe (PID: 2104)
- bdreinit.exe (PID: 1588)
Loads dropped or rewritten executable
- bdreinit.exe (PID: 2732)
Connects to the CnC server
- bdreinit.exe (PID: 2732)
PLUGX was detected
- bdreinit.exe (PID: 2732)
SUSPICIOUS
Executable content was dropped or overwritten
- bdreinit.exe (PID: 2556)
Starts itself from another location
- bdreinit.exe (PID: 2556)
Reads the Internet Settings
- bdreinit.exe (PID: 2732)
Uses RUNDLL32.EXE to load library
- WinRAR.exe (PID: 1872)
The process verifies whether the antivirus software is installed
- bdreinit.exe (PID: 2732)
- userinit.exe (PID: 2844)
INFO
Checks supported languages
- bdreinit.exe (PID: 2556)
- bdreinit.exe (PID: 2732)
- bdreinit.exe (PID: 1588)
- bdreinit.exe (PID: 2104)
Executable content was dropped or overwritten
- WinRAR.exe (PID: 1872)
Create files in a temporary directory
- bdreinit.exe (PID: 2732)
- bdreinit.exe (PID: 2556)
- bdreinit.exe (PID: 2104)
- bdreinit.exe (PID: 1588)
Reads the computer name
- bdreinit.exe (PID: 2556)
- bdreinit.exe (PID: 2732)
- bdreinit.exe (PID: 2104)
- bdreinit.exe (PID: 1588)
Checks proxy server information
- bdreinit.exe (PID: 2732)
Loads dropped or rewritten executable
- bdreinit.exe (PID: 2556)
- bdreinit.exe (PID: 2104)
- bdreinit.exe (PID: 1588)
Reads the machine GUID from the registry
- bdreinit.exe (PID: 2732)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .zip | | | ZIP compressed archive (100) |
|---|
EXIF
ZIP
| ZipFileName: | BitDefender Update Handlers/ |
|---|---|
| ZipUncompressedSize: | - |
| ZipCompressedSize: | - |
| ZipCRC: | 0x00000000 |
| ZipModifyDate: | 2023:08:21 18:38:10 |
| ZipCompression: | None |
| ZipBitFlag: | - |
| ZipRequiredVersion: | 20 |
Total processes
46
Monitored processes
11
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 336 | "C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\AppData\Local\Temp\Rar$DIa1872.37745\log.dll | C:\Windows\System32\notepad.exe | — | rundll32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 948 | "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\admin\AppData\Local\Temp\Rar$DIa1872.39329\log.dat | C:\Windows\System32\rundll32.exe | — | WinRAR.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1588 | "C:\Users\admin\AppData\Local\Temp\Rar$EXa1872.43149\BitDefender Update Handlers\bdreinit.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXa1872.43149\BitDefender Update Handlers\bdreinit.exe | — | WinRAR.exe | |||||||||||
User: admin Company: BitDefender Integrity Level: MEDIUM Description: BitDefender Crash Handler Exit code: 1223 Version: 1.0.28.140 Modules
| |||||||||||||||
| 1872 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\BitDefender Update Handlers.zip" | C:\Program Files\WinRAR\WinRAR.exe | explorer.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
| 2032 | "C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\AppData\Local\Temp\Rar$DIa1872.39329\log.dat | C:\Windows\System32\notepad.exe | — | rundll32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2076 | "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\admin\AppData\Local\Temp\Rar$DIa1872.37745\log.dll | C:\Windows\System32\rundll32.exe | — | WinRAR.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2104 | "C:\Users\admin\AppData\Local\Temp\Rar$EXa1872.42063\BitDefender Update Handlers\bdreinit.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXa1872.42063\BitDefender Update Handlers\bdreinit.exe | — | WinRAR.exe | |||||||||||
User: admin Company: BitDefender Integrity Level: MEDIUM Description: BitDefender Crash Handler Exit code: 1223 Version: 1.0.28.140 Modules
| |||||||||||||||
| 2556 | "C:\Users\admin\AppData\Local\Temp\Rar$EXa1872.36616\BitDefender Update Handlers\bdreinit.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXa1872.36616\BitDefender Update Handlers\bdreinit.exe | WinRAR.exe | ||||||||||||
User: admin Company: BitDefender Integrity Level: MEDIUM Description: BitDefender Crash Handler Exit code: 1223 Version: 1.0.28.140 Modules
| |||||||||||||||
| 2732 | "C:\Users\admin\BitDefender Update Handlers\bdreinit.exe" 601 0 | C:\Users\admin\BitDefender Update Handlers\bdreinit.exe | bdreinit.exe | ||||||||||||
User: admin Company: BitDefender Integrity Level: MEDIUM Description: BitDefender Crash Handler Exit code: 0 Version: 1.0.28.140 Modules
| |||||||||||||||
| 2844 | C:\Windows\system32\userinit.exe 609 2732 | C:\Windows\System32\userinit.exe | — | bdreinit.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Userinit Logon Application Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
4 834
Read events
4 645
Write events
189
Delete events
0
Modification events
| (PID) Process: | (1872) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\178\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (1872) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\virtio_ivshmem_master_build.zip | |||
| (PID) Process: | (1872) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\Win7-KB3191566-x86.zip | |||
| (PID) Process: | (1872) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\Desktop\phacker.zip | |||
| (PID) Process: | (1872) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (1872) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (1872) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (1872) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (1872) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (1872) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
Executable files
9
Suspicious files
5
Text files
4
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1872 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa1872.36616\BitDefender Update Handlers\bdreinit.exe | executable | |
MD5:8A8DB1E20DC508AF5A81FC00B1929468 | SHA256:386EB7AA33C76CE671D6685F79512597F1FAB28EA46C8EC7D89E58340081E2BD | |||
| 1872 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa1872.36616\BitDefender Update Handlers\log.dat | binary | |
MD5:F209540F8C39A9E6B07E176342757C9C | SHA256:0D8DDE6965AC26F5C779E1BFE168CB5F790DFEC3536468EFB6899794B5BA6B0C | |||
| 2732 | bdreinit.exe | C:\Users\admin\AppData\Local\Temp\tmp920790309.tmp | text | |
MD5:84CB17743002B4CFB81B0153CEE648FC | SHA256:6604CE9C6B650A55C404DE5118D2FFA0B8CFA2FC714165AE02235066B92ADAF3 | |||
| 1872 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DIa1872.37745\log.dll | executable | |
MD5:E5FCF4118802E36EF6C6D5836B0460EE | SHA256:DA2AA74F43C446151761E78DC50EF1DE43084017070F409D9C04999C030FD1F6 | |||
| 2104 | bdreinit.exe | C:\Users\admin\AppData\Local\Temp\tmp920790309.tmp | text | |
MD5:84CB17743002B4CFB81B0153CEE648FC | SHA256:6604CE9C6B650A55C404DE5118D2FFA0B8CFA2FC714165AE02235066B92ADAF3 | |||
| 2556 | bdreinit.exe | C:\Users\admin\BitDefender Update Handlers\bdreinit.exe | executable | |
MD5:8A8DB1E20DC508AF5A81FC00B1929468 | SHA256:386EB7AA33C76CE671D6685F79512597F1FAB28EA46C8EC7D89E58340081E2BD | |||
| 1872 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa1872.42063\BitDefender Update Handlers\log.dat | binary | |
MD5:F209540F8C39A9E6B07E176342757C9C | SHA256:0D8DDE6965AC26F5C779E1BFE168CB5F790DFEC3536468EFB6899794B5BA6B0C | |||
| 1872 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa1872.42063\BitDefender Update Handlers\log.dll | executable | |
MD5:E5FCF4118802E36EF6C6D5836B0460EE | SHA256:DA2AA74F43C446151761E78DC50EF1DE43084017070F409D9C04999C030FD1F6 | |||
| 1588 | bdreinit.exe | C:\Users\admin\AppData\Local\Temp\tmp920790309.tmp | text | |
MD5:84CB17743002B4CFB81B0153CEE648FC | SHA256:6604CE9C6B650A55C404DE5118D2FFA0B8CFA2FC714165AE02235066B92ADAF3 | |||
| 1872 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DIa1872.39329\log.dat | binary | |
MD5:F209540F8C39A9E6B07E176342757C9C | SHA256:0D8DDE6965AC26F5C779E1BFE168CB5F790DFEC3536468EFB6899794B5BA6B0C | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
8
DNS requests
16
Threats
7
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2732 | bdreinit.exe | POST | — | 154.38.101.34:8080 | http://www.apple-net.com:8080/AC8C222429A87DC4/FC654631 | US | — | — | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
2732 | bdreinit.exe | 58.158.177.102:80 | www.wbemsystem.com | ARTERIA Networks Corporation | JP | malicious |
2732 | bdreinit.exe | 154.38.101.34:8080 | www.apple-net.com | CNSERVERS | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.wbemsystem.com |
| malicious |
dns.msftncsi.com |
| shared |
www.lionforcesystems.com |
| unknown |
www.apple-net.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2732 | bdreinit.exe | A Network Trojan was detected | ET MALWARE Possible PlugX Common Header Struct |
2732 | bdreinit.exe | A Network Trojan was detected | AV TROJAN PlugX Common Header Struct |
2732 | bdreinit.exe | A Network Trojan was detected | ET MALWARE Trojan.Win32.DLOADR.TIOIBEPQ CnC Traffic |
4 ETPRO signatures available at the full report
Process | Message |
|---|---|
bdreinit.exe | Protocol:[ TCP], Host: [www.wbemsystem.com:80], Proxy: [0::0::]
|
bdreinit.exe | Protocol:[HTTP], Host: [www.wbemsystem.com:80], Proxy: [0::0::]
|
bdreinit.exe | Protocol:[ UDP], Host: [www.wbemsystem.com:80], Proxy: [0::0::]
|
bdreinit.exe | Protocol:[ TCP], Host: [www.lionforcesystems.com:53], Proxy: [0::0::]
|
bdreinit.exe | Protocol:[HTTP], Host: [www.lionforcesystems.com:53], Proxy: [0::0::]
|
bdreinit.exe | Protocol:[ UDP], Host: [www.lionforcesystems.com:53], Proxy: [0::0::]
|
bdreinit.exe | Protocol:[ TCP], Host: [www.apple-net.com:8080], Proxy: [0::0::]
|
bdreinit.exe | Protocol:[HTTP], Host: [www.apple-net.com:8080], Proxy: [0::0::]
|
bdreinit.exe | Protocol:[ UDP], Host: [www.apple-net.com:8080], Proxy: [0::0::]
|