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| download: | YAN.exe |
| Full analysis: | https://app.any.run/tasks/012c5718-548f-4f7f-9c03-c7e40e619b4c |
| Verdict: | Malicious activity |
| Threats: | A keylogger is a type of spyware that infects a system and has the ability to record every keystroke made on the device. This lets attackers collect personal information of victims, which may include their online banking credentials, as well as personal conversations. The most widespread vector of attack leading to a keylogger infection begins with a phishing email or link. Keylogging is also often present in remote access trojans as part of an extended set of malicious tools. |
| Analysis date: | November 16, 2019, 11:40:44 |
| 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: | 0E9AFDD4DBF83498BA844B215350E0F4 |
| SHA1: | 2C03DECAE48FE8D4B9D6124C3270743D28612065 |
| SHA256: | 348A72D264D3AF5E6ED79B79CF5E118733F0491BE28A988E340D1C02F701A41C |
| SSDEEP: | 24576:wu6Jx3O0c+JY5UZ+XC0kGso/Wa0NHURv+DWY:6I0c++OCvkGsUWa0YY |
MALICIOUS
Known privilege escalation attack
- YAN.exe (PID: 1028)
Changes the autorun value in the registry
- YAN.exe (PID: 3092)
- remcos.exe (PID: 3664)
Writes to a start menu file
- YAN.exe (PID: 912)
REMCOS was detected
- YAN.exe (PID: 3092)
- remcos.exe (PID: 3664)
Uses SVCHOST.EXE for hidden code execution
- remcos.exe (PID: 3664)
SUSPICIOUS
Creates files in the user directory
- YAN.exe (PID: 3092)
- YAN.exe (PID: 912)
- remcos.exe (PID: 3664)
Application launched itself
- YAN.exe (PID: 912)
- remcos.exe (PID: 324)
Executable content was dropped or overwritten
- YAN.exe (PID: 912)
- YAN.exe (PID: 3092)
Modifies the open verb of a shell class
- YAN.exe (PID: 1028)
Executes scripts
- YAN.exe (PID: 3092)
Connects to unusual port
- remcos.exe (PID: 3664)
Starts CMD.EXE for commands execution
- WScript.exe (PID: 1848)
Writes files like Keylogger logs
- remcos.exe (PID: 3664)
INFO
Application was crashed
- svchost.exe (PID: 2188)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:11:14 22:17:04+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 12 |
| CodeSize: | 581120 |
| InitializedDataSize: | 552448 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x27dcd |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 0.0.0.0 |
| ProductVersionNumber: | 0.0.0.0 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (British) |
| CharacterSet: | Unicode |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 14-Nov-2019 21:17:04 |
| 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: | 0x00000110 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 14-Nov-2019 21:17:04 |
| 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 | 0x0008DCC4 | 0x0008DE00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.67613 |
.rdata | 0x0008F000 | 0x0002E10E | 0x0002E200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.7601 |
.data | 0x000BE000 | 0x00008F74 | 0x00005200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 1.19875 |
.rsrc | 0x000C7000 | 0x0004C6D0 | 0x0004C800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.11637 |
.reloc | 0x00114000 | 0x0000711C | 0x00007200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.77903 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.40026 | 1007 | Latin 1 / Western European | English - United Kingdom | RT_MANIFEST |
2 | 2.05883 | 296 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
3 | 2.25499 | 296 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
4 | 3.65355 | 744 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
5 | 3.43704 | 296 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
6 | 4.16139 | 3752 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
7 | 3.34702 | 1428 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
8 | 3.2817 | 1674 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
9 | 3.28849 | 1168 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
10 | 3.28373 | 1532 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
Imports
ADVAPI32.dll |
COMCTL32.dll |
COMDLG32.dll |
GDI32.dll |
IPHLPAPI.DLL |
KERNEL32.dll |
MPR.dll |
OLEAUT32.dll |
PSAPI.DLL |
SHELL32.dll |
Total processes
49
Monitored processes
10
Malicious processes
8
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 1028 | "C:\Users\admin\AppData\Local\Temp\YAN.exe" | C:\Users\admin\AppData\Local\Temp\YAN.exe | — | explorer.exe |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 2608 | "C:\Windows\System32\eventvwr.exe" | C:\Windows\System32\eventvwr.exe | — | YAN.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) | ||||
| 3980 | "C:\Windows\System32\eventvwr.exe" | C:\Windows\System32\eventvwr.exe | YAN.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) | ||||
| 912 | "C:\Users\admin\AppData\Local\Temp\YAN.exe" | C:\Users\admin\AppData\Local\Temp\YAN.exe | eventvwr.exe | |
User: admin Integrity Level: HIGH Exit code: 0 | ||||
| 3092 | "C:\Users\admin\AppData\Local\Temp\YAN.exe" | C:\Users\admin\AppData\Local\Temp\YAN.exe | YAN.exe | |
User: admin Integrity Level: HIGH Exit code: 0 | ||||
| 1848 | "C:\Windows\System32\WScript.exe" "C:\Users\admin\AppData\Local\Temp\install.vbs" | C:\Windows\System32\WScript.exe | — | YAN.exe |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft ® Windows Based Script Host Exit code: 0 Version: 5.8.7600.16385 | ||||
| 3944 | "C:\Windows\System32\cmd.exe" /c "C:\Users\admin\AppData\Roaming\remcos\remcos.exe" | C:\Windows\System32\cmd.exe | — | WScript.exe |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 324 | C:\Users\admin\AppData\Roaming\remcos\remcos.exe | C:\Users\admin\AppData\Roaming\remcos\remcos.exe | — | cmd.exe |
User: admin Integrity Level: HIGH Exit code: 0 | ||||
| 3664 | "C:\Users\admin\AppData\Roaming\remcos\remcos.exe" | C:\Users\admin\AppData\Roaming\remcos\remcos.exe | remcos.exe | |
User: admin Integrity Level: HIGH | ||||
| 2188 | C:\Windows\system32\svchost.exe | C:\Windows\system32\svchost.exe | remcos.exe | |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Host Process for Windows Services Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
565
Read events
537
Write events
28
Delete events
0
Modification events
| (PID) Process: | (1028) YAN.exe | Key: | HKEY_CLASSES_ROOT\mscfile\shell\open\command |
| Operation: | write | Name: | |
Value: C:\Users\admin\AppData\Local\Temp\YAN.exe | |||
| (PID) Process: | (1028) YAN.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (1028) YAN.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | — | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | — | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (3092) YAN.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | remcos |
Value: "C:\Users\admin\AppData\Roaming\remcos\remcos.exe" | |||
| (PID) Process: | (3092) YAN.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3092) YAN.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (1848) WScript.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (1848) WScript.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
Executable files
2
Suspicious files
1
Text files
3
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 912 | YAN.exe | C:\Users\admin\RtDCpl64\RtDCpl64.vbs | text | |
MD5:9A336F00BCC27D2BE6469877E5FAEDB7 | SHA256:377AA30E9E4D7A3B1E44BFB0386757ADB515ACA0ED1540C6DAE866527951134C | |||
| 3092 | YAN.exe | C:\Users\admin\AppData\Local\Temp\install.vbs | binary | |
MD5:E7C11A4D55205EF93C91D048024EF0D3 | SHA256:5CC1044DC54D1DB552A8DF065EE40E476E4724642917EE4B17EF3B15A1EA927D | |||
| 3664 | remcos.exe | C:\Users\admin\AppData\Roaming\remcos\logs.dat | text | |
MD5:00F2382AAB6BDD2FA3BA295523D39E22 | SHA256:5EDB3F1CE9EE93FF27764B99D88BDC30172ADE6EA0008598A389B40FD2DF18B8 | |||
| 3092 | YAN.exe | C:\Users\admin\AppData\Roaming\remcos\remcos.exe | executable | |
MD5:0E9AFDD4DBF83498BA844B215350E0F4 | SHA256:348A72D264D3AF5E6ED79B79CF5E118733F0491BE28A988E340D1C02F701A41C | |||
| 912 | YAN.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RtDCpl64.url | text | |
MD5:EC1AB80C52A613400B93DF8AFE2DA1E5 | SHA256:B133A16EE0F4D9855D5FBC021A9B08441C0DA07FBC57A60B20F17FD3AFE2126C | |||
| 912 | YAN.exe | C:\Users\admin\RtDCpl64\djoin.exe | executable | |
MD5:0E9AFDD4DBF83498BA844B215350E0F4 | SHA256:348A72D264D3AF5E6ED79B79CF5E118733F0491BE28A988E340D1C02F701A41C | |||
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
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 |
|---|---|---|---|---|---|---|
3664 | remcos.exe | 185.165.153.202:2404 | sub.thebest1jewels.waw.pl | — | NL | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
sub.thebest1jewels.waw.pl |
| unknown |