| File name: | Backdoor.exe |
| Full analysis: | https://app.any.run/tasks/cd8ec965-3d1b-466f-890b-302424242ca6 |
| 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: | May 04, 2020, 11:34:39 |
| 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, UPX compressed |
| MD5: | 495B8FBCA0A4E1A958F6E8953380D1B4 |
| SHA1: | F29CE03AD1405B0ACBD8FAF86716116B649AA5E0 |
| SHA256: | 14CD5671644E47F0336603C7ABFD8868C066E52E2D1411F42B2987D35B00CE2E |
| SSDEEP: | 768:l5PHyCjmhFdWfLubuZ1kvIaEekM2HzKRC+mr1:l5PHfjGPAKbLVBRmr |
MALICIOUS
REMCOS was detected
- Backdoor.exe (PID: 2660)
- Backdoor.exe (PID: 2616)
- ValorantWH.exe (PID: 3288)
Known privilege escalation attack
- Backdoor.exe (PID: 2660)
- Backdoor.exe (PID: 2616)
Changes the autorun value in the registry
- Backdoor.exe (PID: 2616)
- ValorantWH.exe (PID: 3288)
Changes the login/logoff helper path in the registry
- Backdoor.exe (PID: 2616)
- ValorantWH.exe (PID: 3288)
Runs PING.EXE for delay simulation
- cmd.exe (PID: 312)
Connects to CnC server
- ValorantWH.exe (PID: 3288)
SUSPICIOUS
Modifies the open verb of a shell class
- Backdoor.exe (PID: 2660)
- Backdoor.exe (PID: 2616)
Starts CMD.EXE for commands execution
- Backdoor.exe (PID: 2616)
Creates files in the user directory
- Backdoor.exe (PID: 2616)
Executable content was dropped or overwritten
- Backdoor.exe (PID: 2616)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (28.6) |
|---|---|---|
| .exe | | | UPX compressed Win32 Executable (28) |
| .exe | | | Win32 EXE Yoda's Crypter (27.5) |
| .dll | | | Win32 Dynamic Link Library (generic) (6.8) |
| .exe | | | Win32 Executable (generic) (4.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2017:01:05 20:50:13+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 32768 |
| InitializedDataSize: | 8192 |
| UninitializedDataSize: | 73728 |
| EntryPoint: | 0x1a850 |
| 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: | 3 |
| 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 |
|---|---|---|---|---|---|
UPX0 | 0x00001000 | 0x00012000 | 0x00000000 | IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
UPX1 | 0x00013000 | 0x00008000 | 0x00007A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.89298 |
.rsrc | 0x0001B000 | 0x00002000 | 0x00001200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 5.90948 |
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 | 7.32468 | 443 | 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
51
Monitored processes
8
Malicious processes
5
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 312 | cmd /c ""C:\Users\admin\AppData\Local\Temp\install.bat" " | C:\Windows\system32\cmd.exe | — | Backdoor.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2616 | "C:\Users\admin\AppData\Local\Temp\Backdoor.exe" | C:\Users\admin\AppData\Local\Temp\Backdoor.exe | eventvwr.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 2660 | "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 Modules
| |||||||||||||||
| 2716 | shutdown -i | C:\Windows\system32\shutdown.exe | — | ValorantWH.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Shutdown and Annotation Tool Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3288 | "C:\Users\admin\AppData\Roaming\ValorantConf\ValorantWH.exe" | C:\Users\admin\AppData\Roaming\ValorantConf\ValorantWH.exe | cmd.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 3636 | "C:\Windows\System32\eventvwr.exe" | C:\Windows\System32\eventvwr.exe | — | Backdoor.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Event Viewer Snapin Launcher Exit code: 3221226540 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3692 | PING 127.0.0.1 -n 2 | C:\Windows\system32\PING.EXE | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: TCP/IP Ping Command Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3728 | "C:\Windows\System32\eventvwr.exe" | C:\Windows\System32\eventvwr.exe | Backdoor.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Event Viewer Snapin Launcher Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
431
Read events
410
Write events
20
Delete events
1
Modification events
| (PID) Process: | (2660) Backdoor.exe | Key: | HKEY_CURRENT_USER\Software\remcos_gwcgiqfrlt |
| Operation: | write | Name: | origmsc |
Value: ¤u=ókašDtíàðà—¹})z¯ê$Ξ–ìâÊæ\Ô˜I¶ã | |||
| (PID) Process: | (2660) Backdoor.exe | Key: | HKEY_CLASSES_ROOT\mscfile\shell\open\command |
| Operation: | write | Name: | |
Value: C:\Users\admin\AppData\Local\Temp\Backdoor.exe | |||
| (PID) Process: | (2660) Backdoor.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2660) Backdoor.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (3728) eventvwr.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3728) eventvwr.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2616) Backdoor.exe | Key: | HKEY_CLASSES_ROOT\mscfile\shell\open\command |
| Operation: | write | Name: | |
Value: %SystemRoot%\system32\mmc.exe "%1" %* | |||
| (PID) Process: | (2616) Backdoor.exe | Key: | HKEY_CURRENT_USER\Software\remcos_gwcgiqfrlt |
| Operation: | delete value | Name: | origmsc |
Value: ¤u=ókašDtíàðà—¹})z¯ê$Ξ–ìâÊæ\Ô˜I¶ã | |||
| (PID) Process: | (2616) Backdoor.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | ValorantWH |
Value: "C:\Users\admin\AppData\Roaming\ValorantConf\ValorantWH.exe" | |||
| (PID) Process: | (2616) Backdoor.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon |
| Operation: | write | Name: | Shell |
Value: explorer.exe, "C:\Users\admin\AppData\Roaming\ValorantConf\ValorantWH.exe" | |||
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2616 | Backdoor.exe | C:\Users\admin\AppData\Local\Temp\install.bat | text | |
MD5:— | SHA256:— | |||
| 2616 | Backdoor.exe | C:\Users\admin\AppData\Roaming\ValorantConf\ValorantWH.exe | executable | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
DNS requests
1
Threats
52
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 |
|---|---|---|---|---|---|---|
3288 | ValorantWH.exe | 3.126.37.18:10752 | 2.tcp.eu.ngrok.io | — | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
2.tcp.eu.ngrok.io |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1052 | svchost.exe | Potential Corporate Privacy Violation | ET POLICY DNS Query to a *.ngrok domain (ngrok.io) |
3288 | ValorantWH.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
3288 | ValorantWH.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
3288 | ValorantWH.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
3288 | ValorantWH.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
3288 | ValorantWH.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
3288 | ValorantWH.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
3288 | ValorantWH.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
3288 | ValorantWH.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
3288 | ValorantWH.exe | A Network Trojan was detected | REMOTE [PTsecurity] Remcos.RAT |
34 ETPRO signatures available at the full report