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| File name: | Backdoor.exe |
| Full analysis: | https://app.any.run/tasks/f998c5a2-38aa-4fdd-9b66-ecd1e8c57303 |
| Verdict: | Malicious activity |
| Threats: | Remote access trojans (RATs) are a type of malware that enables attackers to establish complete to partial control over infected computers. Such malicious programs often have a modular design, offering a wide range of functionalities for conducting illicit activities on compromised systems. Some of the most common features of RATs include access to the users’ data, webcam, and keystrokes. This malware is often distributed through phishing emails and links. |
| Analysis date: | October 19, 2020, 21:49:43 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 7FE52F63C9819307866351BA241D7FE5 |
| SHA1: | D5763FF6CACD80D161C50ADA384842E07391126E |
| SHA256: | 2007C8C0133383CA826574B0C2196C5CD94B91FC3D94ACECB5D1FB0E05CE954F |
| SSDEEP: | 1536:AhhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP6brk:GhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+f |
MALICIOUS
Changes the autorun value in the registry
- Backdoor.exe (PID: 2924)
- winupdater.exe (PID: 3180)
REMCOS was detected
- winupdater.exe (PID: 3180)
- iexplore.exe (PID: 2540)
Runs PING.EXE for delay simulation
- cmd.exe (PID: 2500)
Connects to CnC server
- iexplore.exe (PID: 2540)
SUSPICIOUS
Creates files in the user directory
- Backdoor.exe (PID: 2924)
Starts CMD.EXE for commands execution
- Backdoor.exe (PID: 2924)
Starts Internet Explorer
- winupdater.exe (PID: 3180)
Executable content was dropped or overwritten
- Backdoor.exe (PID: 2924)
Application launched itself
- taskmgr.exe (PID: 3392)
INFO
Manual execution by user
- taskmgr.exe (PID: 3392)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (35.8) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (31.7) |
| .scr | | | Windows screen saver (15) |
| .dll | | | Win32 Dynamic Link Library (generic) (7.5) |
| .exe | | | Win32 Executable (generic) (5.1) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2017:01:05 20:50:13+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 61440 |
| InitializedDataSize: | 28672 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xfd88 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 05-Jan-2017 19:50:13 |
| Detected languages: |
|
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x00000108 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 4 |
| Time date stamp: | 05-Jan-2017 19:50:13 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00001000 | 0x0000EFDA | 0x0000F000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.05673 |
.rdata | 0x00010000 | 0x00004A92 | 0x00005000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.36766 |
.data | 0x00015000 | 0x00000C24 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0.576465 |
.rsrc | 0x00016000 | 0x00000EDC | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 6.57699 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 6.57569 | 3240 | Latin 1 / Western European | English - United States | RT_ICON |
102 | 1.91924 | 20 | Latin 1 / Western European | English - United States | RT_GROUP_ICON |
SETTINGS | 7.36371 | 289 | Latin 1 / Western European | UNKNOWN | RT_RCDATA |
Imports
ADVAPI32.dll |
GDI32.dll |
KERNEL32.dll |
MSVCP60.dll |
MSVCRT.dll |
SHELL32.dll |
SHLWAPI.dll |
USER32.dll |
WININET.dll |
WINMM.dll |
Total processes
49
Monitored processes
9
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2924 | "C:\Users\admin\AppData\Local\Temp\Backdoor.exe" | C:\Users\admin\AppData\Local\Temp\Backdoor.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 2500 | cmd /c ""C:\Users\admin\AppData\Local\Temp\install.bat" " | C:\Windows\system32\cmd.exe | — | Backdoor.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 3328 | PING 127.0.0.1 -n 2 | C:\Windows\system32\PING.EXE | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: TCP/IP Ping Command Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3860 | "C:\Users\admin\AppData\Roaming\windowsupdate\winupdater.exe" | C:\Users\admin\AppData\Roaming\windowsupdate\winupdater.exe | — | cmd.exe |
User: admin Integrity Level: MEDIUM Exit code: 3221226540 | ||||
| 2752 | "C:\Users\admin\AppData\Roaming\windowsupdate\winupdater.exe" | C:\Users\admin\AppData\Roaming\windowsupdate\winupdater.exe | — | cmd.exe |
User: admin Integrity Level: MEDIUM Exit code: 3221226540 | ||||
| 3180 | "C:\Users\admin\AppData\Roaming\windowsupdate\winupdater.exe" | C:\Users\admin\AppData\Roaming\windowsupdate\winupdater.exe | cmd.exe | |
User: admin Integrity Level: HIGH Exit code: 3 | ||||
| 2540 | "C:\Program Files\Internet Explorer\iexplore.exe" | C:\Program Files\Internet Explorer\iexplore.exe | winupdater.exe | |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Internet Explorer Exit code: 0 Version: 11.00.9600.16428 (winblue_gdr.131013-1700) | ||||
| 3392 | "C:\Windows\system32\taskmgr.exe" /4 | C:\Windows\system32\taskmgr.exe | — | explorer.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Task Manager Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 2352 | "C:\Windows\system32\taskmgr.exe" /1 | C:\Windows\system32\taskmgr.exe | taskmgr.exe | |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Task Manager Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
756
Read events
734
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
0
Text files
1
Unknown types
4
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3180 | winupdater.exe | C:\Users\Administrator\AppData\Local\Microsoft\Windows\UsrClass.dat | hiv | |
MD5:13442B0B712D69BF1AA70824D25257FE | SHA256:8763EC90294E806FE03EE67CF9C6016A5D054D7C9FD0552D877DEECAB2DFD405 | |||
| 3180 | winupdater.exe | C:\Users\Administrator\AppData\Local\Microsoft\Windows\UsrClass.dat.LOG1 | log | |
MD5:480ADB5ED2CA4DBC485D0335C50AB6D7 | SHA256:AD2D49444B43A21B2A62857A2CD076576A3B69093AF5ADCD11B78CBD7EC273EC | |||
| 3180 | winupdater.exe | C:\Users\Administrator\NTUSER.DAT | hiv | |
MD5:BFBDFF6877E666107FAFEA7B8A04315A | SHA256:05802A1D7483DF0208FF63FA7C4A490A73286B7C9516C0B0FD0EF24E38143193 | |||
| 2924 | Backdoor.exe | C:\Users\admin\AppData\Roaming\windowsupdate\winupdater.exe | executable | |
MD5:7FE52F63C9819307866351BA241D7FE5 | SHA256:2007C8C0133383CA826574B0C2196C5CD94B91FC3D94ACECB5D1FB0E05CE954F | |||
| 2924 | Backdoor.exe | C:\Users\admin\AppData\Local\Temp\install.bat | text | |
MD5:2D0F0E191CCBEDBF9D8A260EE5F64E2B | SHA256:4A27834E26C4D3FD9F489D4DACB47B7362C0891F3635D7D2798274A08CB80D08 | |||
| 3180 | winupdater.exe | C:\Users\Administrator\NTUSER.DAT.LOG1 | log | |
MD5:C8AD5F3CE28FA289D12238908635C3FD | SHA256:4F8E4E4B7ADD9CFFA208273322856F5A65A787D412D57ECE7886912507B6B0A6 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
DNS requests
1
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2540 | iexplore.exe | 193.161.193.99:24014 | bogyz1-24014.portmap.host | OOO Bitree Networks | RU | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
bogyz1-24014.portmap.host |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a Reverse Proxy Service Observed |
2540 | iexplore.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
2540 | iexplore.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
2540 | iexplore.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
2540 | iexplore.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
2540 | iexplore.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
2540 | iexplore.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
2540 | iexplore.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
2540 | iexplore.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
2540 | iexplore.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
20 ETPRO signatures available at the full report