| File name: | Yoink Executor.exe |
| Full analysis: | https://app.any.run/tasks/36262283-236c-4e3e-bf56-1e83d4d4eb56 |
| 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: | February 27, 2019, 11:47:07 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | C570974AE81435E7A29DA1BF99E94937 |
| SHA1: | 14B001E0F2F224C8DCB3CBAB35614F11E70EA732 |
| SHA256: | C9C1C657E739270ABFAE8594E062C3FAA9EE62469BFD64CBBE7264622D027695 |
| SSDEEP: | 6144:fqBwCTLxAWf5W5o+EpJnvYwL2UOh8BmetbfBqf5ySv6IxUwSWw:fqBN1xco+EpJngwL2bh8PlZsZ6P |
MALICIOUS
Runs PING.EXE for delay simulation
- cmd.exe (PID: 3572)
Detected Imminent RAT
- yoink executor.exe (PID: 2608)
Changes the autorun value in the registry
- yoink executor.exe (PID: 2608)
SUSPICIOUS
Executable content was dropped or overwritten
- Yoink Executor.exe (PID: 3116)
- yoink executor.exe (PID: 2608)
Starts itself from another location
- Yoink Executor.exe (PID: 3116)
Creates files in the user directory
- yoink executor.exe (PID: 2608)
Connects to unusual port
- yoink executor.exe (PID: 2608)
Starts CMD.EXE for commands execution
- Yoink Executor.exe (PID: 3116)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (82.9) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (7.4) |
| .exe | | | Win32 Executable (generic) (5.1) |
| .exe | | | Generic Win/DOS Executable (2.2) |
| .exe | | | DOS Executable Generic (2.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:02:25 01:16:34+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 328192 |
| InitializedDataSize: | 2048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x520be |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | |
| FileDescription: | Yoink Executor.exe |
| FileVersion: | 1.0.0.0 |
| InternalName: | Yoink Executor.exe |
| LegalCopyright: | |
| OriginalFileName: | Yoink Executor.exe |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 25-Feb-2019 00:16:34 |
| Comments: | - |
| FileDescription: | Yoink Executor.exe |
| FileVersion: | 1.0.0.0 |
| InternalName: | Yoink Executor.exe |
| LegalCopyright: | - |
| OriginalFilename: | Yoink Executor.exe |
| ProductVersion: | 1.0.0.0 |
| Assembly Version: | 1.0.0.0 |
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: | 0x00000080 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 25-Feb-2019 00:16:34 |
| 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 | 0x00002000 | 0x000500C4 | 0x00050200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.99005 |
.rsrc | 0x00054000 | 0x00000530 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.88534 |
.reloc | 0x00056000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.00112 | 490 | UNKNOWN | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
38
Monitored processes
5
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2372 | ping 1.1.1.1 -n 1 -w 1000 | 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) Modules
| |||||||||||||||
| 2608 | "C:\Users\admin\AppData\Local\Temp\yoink executor\yoink executor.exe" | C:\Users\admin\AppData\Local\Temp\yoink executor\yoink executor.exe | Yoink Executor.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Yoink Executor.exe Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 3116 | "C:\Users\admin\AppData\Local\Temp\Yoink Executor.exe" | C:\Users\admin\AppData\Local\Temp\Yoink Executor.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Yoink Executor.exe Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 3156 | C:\Windows\system32\wbem\WmiApSrv.exe | C:\Windows\system32\wbem\WmiApSrv.exe | — | services.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: WMI Performance Reverse Adapter Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3572 | "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\admin\AppData\Local\Temp\Yoink Executor.exe" | C:\Windows\System32\cmd.exe | — | Yoink Executor.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
Total events
584
Read events
523
Write events
61
Delete events
0
Modification events
| (PID) Process: | (3116) Yoink Executor.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3116) Yoink Executor.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2608) yoink executor.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | WindowsHelper32.exe |
Value: C:\Users\admin\AppData\Roaming\WindowsHelper32\WinHelper32.exe | |||
| (PID) Process: | (3156) WmiApSrv.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WBEM\PROVIDERS\Performance |
| Operation: | write | Name: | Performance Refreshed |
Value: 0 | |||
Executable files
3
Suspicious files
4
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2608 | yoink executor.exe | C:\Users\admin\AppData\Roaming\Imminent\Monitoring\system.dat | binary | |
MD5:— | SHA256:— | |||
| 2608 | yoink executor.exe | C:\Users\admin\AppData\Roaming\Imminent\Path.dat | binary | |
MD5:— | SHA256:— | |||
| 3116 | Yoink Executor.exe | C:\Users\admin\AppData\Local\Temp\yoink executor\yoink executor.exe | executable | |
MD5:— | SHA256:— | |||
| 2608 | yoink executor.exe | C:\Users\admin\AppData\Roaming\WindowsHelper32\WinHelper32.exe | executable | |
MD5:— | SHA256:— | |||
| 2608 | yoink executor.exe | C:\Users\admin\AppData\Roaming\Imminent\Monitoring\network.dat | binary | |
MD5:— | SHA256:— | |||
| 2608 | yoink executor.exe | C:\Users\admin\AppData\Roaming\Imminent\Logs\27-02-2019 | text | |
MD5:33BE604F8044D5984E8E3E3B694D710A | SHA256:3F785F1CC535B0987139623200C7910B2B28F92DFE3309E8E071C091D0CE7313 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
13
DNS requests
4
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 |
|---|---|---|---|---|---|---|
2608 | yoink executor.exe | 95.213.251.165:1831 | — | OOO Network of data-centers Selectel | RU | malicious |
— | — | 95.213.251.165:1831 | — | OOO Network of data-centers Selectel | RU | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
dns.msftncsi.com |
| shared |