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| File name: | wb2.exe |
| Full analysis: | https://app.any.run/tasks/14ce8a7b-b853-47ad-b056-507af958659a |
| Verdict: | Malicious activity |
| Threats: | DarkComet RAT is a malicious program designed to remotely control or administer a victim's computer, steal private data and spy on the victim. |
| Analysis date: | March 31, 2020, 10:11:29 |
| 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: | C4453A958F8B7C51C67DD299BB88B6B4 |
| SHA1: | 229D5AD5E21AD0A94D330607A155BF1F85357499 |
| SHA256: | F8EC1D4F17205E498C03BEEC935C06CE7281A2309371268B1AEC022C860A71B7 |
| SSDEEP: | 6144:bcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37:bcW7KEZlPzCy37 |
MALICIOUS
Changes the login/logoff helper path in the registry
- wb2.exe (PID: 3964)
Changes the autorun value in the registry
- wb2.exe (PID: 3964)
- msdcsc.exe (PID: 3504)
Changes Security Center notification settings
- msdcsc.exe (PID: 3504)
DARKCOMET was detected
- msdcsc.exe (PID: 3504)
SUSPICIOUS
Starts CMD.EXE for commands execution
- wb2.exe (PID: 3964)
Executable content was dropped or overwritten
- wb2.exe (PID: 3964)
Uses ATTRIB.EXE to modify file attributes
- cmd.exe (PID: 3612)
- cmd.exe (PID: 2888)
Starts itself from another location
- wb2.exe (PID: 3964)
Connects to unusual port
- msdcsc.exe (PID: 3504)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | UPX compressed Win32 Executable (38.2) |
|---|---|---|
| .exe | | | Win32 EXE Yoda's Crypter (37.5) |
| .dll | | | Win32 Dynamic Link Library (generic) (9.2) |
| .exe | | | Win32 Executable (generic) (6.3) |
| .exe | | | Win16/32 Executable Delphi generic (2.9) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2012:06:07 17:59:53+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 253952 |
| InitializedDataSize: | 4096 |
| UninitializedDataSize: | 487424 |
| EntryPoint: | 0xb58f0 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 4.0.0.0 |
| ProductVersionNumber: | 4.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| Comments: | Remote Service Application |
| CompanyName: | Microsoft Corp. |
| FileDescription: | Remote Service Application |
| FileVersion: | 1, 0, 0, 1 |
| InternalName: | MSRSAAPP |
| LegalCopyright: | Copyright (C) 1999 |
| OriginalFileName: | MSRSAAP.EXE |
| ProductName: | Remote Service Application |
| ProductVersion: | 4, 0, 0, 0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 07-Jun-2012 15:59:53 |
| Detected languages: |
|
| Comments: | Remote Service Application |
| CompanyName: | Microsoft Corp. |
| FileDescription: | Remote Service Application |
| FileVersion: | 1, 0, 0, 1 |
| InternalName: | MSRSAAPP |
| LegalCopyright: | Copyright (C) 1999 |
| OriginalFilename: | MSRSAAP.EXE |
| ProductName: | Remote Service Application |
| ProductVersion: | 4, 0, 0, 0 |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0050 |
| Pages in file: | 0x0002 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x000F |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x001A |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x00000100 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 07-Jun-2012 15:59:53 |
| 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 | 0x00077000 | 0x00000000 | IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
UPX1 | 0x00078000 | 0x0003E000 | 0x0003DC00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.92413 |
.rsrc | 0x000B6000 | 0x00001000 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.5198 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.34616 | 856 | Latin 1 / Western European | French - France | RT_VERSION |
2 | 7.02531 | 308 | Latin 1 / Western European | English - United States | RT_CURSOR |
3 | 7.16168 | 308 | Latin 1 / Western European | English - United States | RT_CURSOR |
4 | 7.32379 | 308 | Latin 1 / Western European | English - United States | RT_CURSOR |
5 | 7.17598 | 308 | Latin 1 / Western European | English - United States | RT_CURSOR |
6 | 7.15949 | 308 | Latin 1 / Western European | English - United States | RT_CURSOR |
7 | 7.1298 | 308 | Latin 1 / Western European | English - United States | RT_CURSOR |
4083 | 7.45862 | 524 | Latin 1 / Western European | UNKNOWN | RT_STRING |
4084 | 7.65064 | 1020 | Latin 1 / Western European | UNKNOWN | RT_STRING |
4085 | 6.84604 | 168 | Latin 1 / Western European | UNKNOWN | RT_STRING |
Imports
AVICAP32.DLL |
KERNEL32.DLL |
SHFolder.dll |
URLMON.DLL |
WS2_32.DLL |
advapi32.dll |
comctl32.dll |
gdi32.dll |
gdiplus.dll |
msacm32.dll |
Total processes
42
Monitored processes
8
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 3964 | "C:\Users\admin\AppData\Local\Temp\wb2.exe" | C:\Users\admin\AppData\Local\Temp\wb2.exe | explorer.exe | |
User: admin Company: Microsoft Corp. Integrity Level: MEDIUM Description: Remote Service Application Exit code: 0 Version: 1, 0, 0, 1 | ||||
| 2888 | "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\admin\AppData\Local\Temp\wb2.exe" +s +h | C:\Windows\System32\cmd.exe | — | wb2.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 3612 | "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\admin\AppData\Local\Temp" +s +h | C:\Windows\System32\cmd.exe | — | wb2.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 304 | notepad | C:\Windows\system32\notepad.exe | — | wb2.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3220 | attrib "C:\Users\admin\AppData\Local\Temp\wb2.exe" +s +h | C:\Windows\system32\attrib.exe | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Attribute Utility Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3868 | attrib "C:\Users\admin\AppData\Local\Temp" +s +h | C:\Windows\system32\attrib.exe | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Attribute Utility Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3504 | "C:\Users\admin\Documents\MSDCSC\msdcsc.exe" | C:\Users\admin\Documents\MSDCSC\msdcsc.exe | wb2.exe | |
User: admin Company: Microsoft Corp. Integrity Level: MEDIUM Description: Remote Service Application Version: 1, 0, 0, 1 | ||||
| 2848 | notepad | C:\Windows\system32\notepad.exe | — | msdcsc.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
584
Read events
514
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3964 | wb2.exe | C:\Users\admin\Documents\MSDCSC\msdcsc.exe | executable | |
MD5:C4453A958F8B7C51C67DD299BB88B6B4 | SHA256:F8EC1D4F17205E498C03BEEC935C06CE7281A2309371268B1AEC022C860A71B7 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
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 |
|---|---|---|---|---|---|---|
3504 | msdcsc.exe | 176.40.67.65:1604 | slowhead.duckdns.org | Tellcom Iletisim Hizmetleri A.s. | TR | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
slowhead.duckdns.org |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3504 | msdcsc.exe | A Network Trojan was detected | REMOTE [PTsecurity] DarkComet |
3504 | msdcsc.exe | A Network Trojan was detected | REMOTE [PTsecurity] Possible DarkComet-RAT activity |
2 ETPRO signatures available at the full report