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| File name: | teohook.exe |
| Full analysis: | https://app.any.run/tasks/0ab26d33-e5d9-4cc2-9d87-fe56dec5a9dc |
| Verdict: | Malicious activity |
| Analysis date: | May 21, 2022, 05:07:25 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | BE5F60A2BEE3D80DED3CD571B3759B04 |
| SHA1: | 73B92D1FC64FF1CCFBEA2752D1D2798B9EFA72E6 |
| SHA256: | 45386B26486C03A7A79AE6AC0DB976CA8375484883134C356CE832AEDD041049 |
| SSDEEP: | 49152:Pj0w/d86a/RoDTgDZTEm+JdqHo3soGYJ338p3HL:r0x6tDTgDm/rqHo0wS3 |
MALICIOUS
Drops executable file immediately after starts
- teohook.exe (PID: 2936)
SUSPICIOUS
Reads the computer name
- teohook.exe (PID: 2936)
Checks supported languages
- teohook.exe (PID: 2936)
Executable content was dropped or overwritten
- teohook.exe (PID: 2936)
Drops a file with a compile date too recent
- teohook.exe (PID: 2936)
Executed via COM
- DllHost.exe (PID: 3196)
INFO
Checks supported languages
- DllHost.exe (PID: 3196)
Reads the computer name
- DllHost.exe (PID: 3196)
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
| AssemblyVersion: | 1.0.0.0 |
|---|---|
| ProductVersion: | 1.0.0.0 |
| ProductName: | teohook |
| OriginalFileName: | TEONEW.exe |
| LegalTrademarks: | - |
| LegalCopyright: | Copyright © 2022 |
| InternalName: | TEONEW.exe |
| FileVersion: | 1.0.0.0 |
| FileDescription: | teohook |
| CompanyName: | - |
| Comments: | - |
| CharacterSet: | Unicode |
| LanguageCode: | Neutral |
| FileSubtype: | - |
| ObjectFileType: | Executable application |
| FileOS: | Win32 |
| FileFlags: | (none) |
| FileFlagsMask: | 0x003f |
| ProductVersionNumber: | 1.0.0.0 |
| FileVersionNumber: | 1.0.0.0 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 6 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0x20937e |
| UninitializedDataSize: | - |
| InitializedDataSize: | 103936 |
| CodeSize: | 2126848 |
| LinkerVersion: | 48 |
| PEType: | PE32 |
| TimeStamp: | 2056:07:17 03:49:16+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 10-Jun-1920 19:21:00 |
| Debug artifacts: |
|
| Comments: | - |
| CompanyName: | - |
| FileDescription: | teohook |
| FileVersion: | 1.0.0.0 |
| InternalName: | TEONEW.exe |
| LegalCopyright: | Copyright © 2022 |
| LegalTrademarks: | - |
| OriginalFilename: | TEONEW.exe |
| ProductName: | teohook |
| 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: | 10-Jun-1920 19:21:00 |
| 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 | 0x00207384 | 0x00207400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.99593 |
.rsrc | 0x0020A000 | 0x00019218 | 0x00019400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.68669 |
.reloc | 0x00224000 | 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 |
2 | 5.60587 | 67624 | UNKNOWN | UNKNOWN | RT_ICON |
3 | 5.60634 | 16936 | UNKNOWN | UNKNOWN | RT_ICON |
4 | 5.59914 | 9640 | UNKNOWN | UNKNOWN | RT_ICON |
5 | 5.60791 | 4264 | UNKNOWN | UNKNOWN | RT_ICON |
6 | 5.5485 | 1128 | UNKNOWN | UNKNOWN | RT_ICON |
32512 | 2.77685 | 90 | UNKNOWN | UNKNOWN | RT_GROUP_ICON |
Imports
mscoree.dll |
Total processes
34
Monitored processes
2
Malicious processes
0
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2936 | "C:\Users\admin\AppData\Local\Temp\teohook.exe" | C:\Users\admin\AppData\Local\Temp\teohook.exe | Explorer.EXE | |
User: admin Integrity Level: MEDIUM Description: teohook Exit code: 0 Version: 1.0.0.0 | ||||
| 3196 | C:\Windows\system32\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503} | C:\Windows\system32\DllHost.exe | — | svchost.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: COM Surrogate Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
930
Read events
920
Write events
10
Delete events
0
Modification events
| (PID) Process: | (2936) teohook.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2936) teohook.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2936) teohook.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2936) teohook.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (3196) DllHost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Direct3D\MostRecentApplication |
| Operation: | write | Name: | Name |
Value: DllHost.exe | |||
| (PID) Process: | (3196) DllHost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows Photo Viewer\Viewer |
| Operation: | write | Name: | MainWndPos |
Value: 6000000034000000A00400008002000000000000 | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2936 | teohook.exe | C:\Users\admin\AppData\Local\Temp\teohook v1.2.exe | executable | |
MD5:45FF543D8D84CAC52ED0EBDD1D27C356 | SHA256:25F458D120B255B564CDD7FC5F954FB935CE84E713FF24FE76BF1546B5FE8D77 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report