| File name: | Twain Install.exe |
| Full analysis: | https://app.any.run/tasks/e66844e6-0134-44e3-961d-8995a5bd9c76 |
| Verdict: | Malicious activity |
| Analysis date: | January 23, 2024, 07:09:09 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, RAR self-extracting archive |
| MD5: | D52037F2EDA0D3197052298C0CB84DB9 |
| SHA1: | 90627861E9FB6809913CB9E41701752554C8E8D2 |
| SHA256: | 8C10CD4EEF88FEE9EC39AEA4E8C03A16ECC6709257015782EFEBC932673E9E29 |
| SSDEEP: | 24576:UIQnrTXGxwuHeHVoWO2YM1+jIev2WvPrakxOQVFsICBxZDsBFT//6czwOTu:UIGrjLuHklYM1+j2pk4cpCDZsmwjK |
MALICIOUS
Drops the executable file immediately after the start
- Twain Install.exe (PID: 128)
- Sp40TWAINSetup.exe (PID: 764)
- Sp40TWAINSetup.tmp (PID: 1264)
SUSPICIOUS
Process drops legitimate windows executable
- Twain Install.exe (PID: 128)
- Sp40TWAINSetup.tmp (PID: 1264)
Reads the Internet Settings
- avvio.exe (PID: 1404)
- Twain Install.exe (PID: 128)
- Install.exe (PID: 1604)
Executable content was dropped or overwritten
- Twain Install.exe (PID: 128)
- Sp40TWAINSetup.exe (PID: 764)
- Sp40TWAINSetup.tmp (PID: 1264)
Reads the Windows owner or organization settings
- Sp40TWAINSetup.tmp (PID: 1264)
Drops a system driver (possible attempt to evade defenses)
- Sp40TWAINSetup.tmp (PID: 1264)
Uses ICACLS.EXE to modify access control lists
- Install.exe (PID: 1604)
INFO
Reads the computer name
- avvio.exe (PID: 1404)
- Twain Install.exe (PID: 128)
- Install.exe (PID: 1604)
- Sp40TWAINSetup.tmp (PID: 1264)
Checks supported languages
- Twain Install.exe (PID: 128)
- avvio.exe (PID: 1404)
- Sp40TWAINSetup.exe (PID: 764)
- Install.exe (PID: 1604)
- Sp40TWAINSetup.tmp (PID: 1264)
Create files in a temporary directory
- Twain Install.exe (PID: 128)
- Sp40TWAINSetup.exe (PID: 764)
- Sp40TWAINSetup.tmp (PID: 1264)
Reads the machine GUID from the registry
- avvio.exe (PID: 1404)
Manual execution by a user
- explorer.exe (PID: 2444)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | WinRAR Self Extracting archive (94.3) |
|---|---|---|
| .scr | | | Windows screen saver (2.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (1.1) |
| .exe | | | Win32 Executable (generic) (0.8) |
| .exe | | | Win32 Executable Watcom C++ (generic) (0.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2008:09:16 16:17:44+02:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 5 |
| CodeSize: | 81920 |
| InitializedDataSize: | 32768 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1000 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Total processes
47
Monitored processes
9
Malicious processes
4
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 128 | "C:\Users\admin\AppData\Local\Temp\Twain Install.exe" | C:\Users\admin\AppData\Local\Temp\Twain Install.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 764 | "C:\Users\admin\AppData\Local\Temp\RarSFX0\Sp40TWAINSetup.exe" | C:\Users\admin\AppData\Local\Temp\RarSFX0\Sp40TWAINSetup.exe | Install.exe | ||||||||||||
User: admin Company: Integrity Level: HIGH Description: Sp40Lib TWAIN layer Ver. 2.01.0 Setup Exit code: 0 Version: Modules
| |||||||||||||||
| 1264 | "C:\Users\admin\AppData\Local\Temp\is-RKQI9.tmp\Sp40TWAINSetup.tmp" /SL5="$3019A,281342,54272,C:\Users\admin\AppData\Local\Temp\RarSFX0\Sp40TWAINSetup.exe" | C:\Users\admin\AppData\Local\Temp\is-RKQI9.tmp\Sp40TWAINSetup.tmp | Sp40TWAINSetup.exe | ||||||||||||
User: admin Integrity Level: HIGH Description: Setup/Uninstall Exit code: 0 Version: 51.52.0.0 Modules
| |||||||||||||||
| 1404 | "C:\Users\admin\AppData\Local\Temp\RarSFX0\avvio.exe" | C:\Users\admin\AppData\Local\Temp\RarSFX0\avvio.exe | — | Twain Install.exe | |||||||||||
User: admin Company: Compuprint srl Integrity Level: MEDIUM Exit code: 0 Version: 1.00 Modules
| |||||||||||||||
| 1540 | 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) Modules
| |||||||||||||||
| 1604 | "C:\Users\admin\AppData\Local\Temp\RarSFX0\Install.exe" | C:\Users\admin\AppData\Local\Temp\RarSFX0\Install.exe | avvio.exe | ||||||||||||
User: admin Company: Compuprint Integrity Level: HIGH Exit code: 0 Version: 1.00 Modules
| |||||||||||||||
| 1796 | "C:\Windows\System32\icacls.exe" "C:\Windows\twain_32\COMPUPRINT\sp40lib.ini" /grant:r "Users":F "Administrators":F "SYSTEM":F /inheritance:r | C:\Windows\System32\icacls.exe | — | Install.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2128 | "C:\Windows\System32\icacls.exe" "C:\Windows\twain_32\COMPUPRINT\SP40CONFIG.INI" /grant:r "Users":F "Administrators":F "SYSTEM":F /inheritance:r | C:\Windows\System32\icacls.exe | — | Install.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2444 | "C:\Windows\explorer.exe" | C:\Windows\explorer.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
2 522
Read events
2 497
Write events
25
Delete events
0
Modification events
| (PID) Process: | (128) Twain Install.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (128) Twain Install.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (128) Twain Install.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (128) Twain Install.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (1404) avvio.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (1404) avvio.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (1404) avvio.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (1404) avvio.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (1604) Install.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (1604) Install.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
Executable files
29
Suspicious files
7
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 128 | Twain Install.exe | C:\Users\admin\AppData\Local\Temp\RarSFX0\OLEPRO32.DLL | executable | |
MD5:0B975CD71FBE55EADFF409E9CE2DA37E | SHA256:23138AB6AD921A544694FA475FBF784F7C4682565FF1F00EA7B5DBD2458C7D99 | |||
| 128 | Twain Install.exe | C:\Users\admin\AppData\Local\Temp\RarSFX0\OLEAUT32.DLL | executable | |
MD5:273522F30E18757B37404128C92145C7 | SHA256:D11D9ECC6D2D5956BC133E8DF567BE6D10AFBFA243E1E389A2FD0572F6CAC30D | |||
| 128 | Twain Install.exe | C:\Users\admin\AppData\Local\Temp\RarSFX0\vb6it.dll | executable | |
MD5:6A5B1C929BC83BA6F81A61543682B001 | SHA256:0F53CF070AD836D2126712124B6EBDC321A5F1DA12F3CEF76594F060DD824ADF | |||
| 128 | Twain Install.exe | C:\Users\admin\AppData\Local\Temp\RarSFX0\Sp40TWAINSetup.exe | executable | |
MD5:86BC3DE87B56D3333C30A98ADBAFB78A | SHA256:1BAE321E452C2691E02F23E349F8363D510F6D08CD95F0BE9D62C299F1A9A66A | |||
| 1264 | Sp40TWAINSetup.tmp | C:\Users\admin\AppData\Local\Temp\is-93ALL.tmp\_isetup\_RegDLL.tmp | executable | |
MD5:0EE914C6F0BB93996C75941E1AD629C6 | SHA256:4DC09BAC0613590F1FAC8771D18AF5BE25A1E1CB8FDBF4031AA364F3057E74A2 | |||
| 128 | Twain Install.exe | C:\Users\admin\AppData\Local\Temp\RarSFX0\ASYCFILT.DLL | executable | |
MD5:23787FC93B88A2863348382CD4B8DFBF | SHA256:F3A15C2491E8CAE712C00DDF94CFC65E38CB7360870707D27637D9F56486BA67 | |||
| 128 | Twain Install.exe | C:\Users\admin\AppData\Local\Temp\RarSFX0\COMCAT.DLL | executable | |
MD5:3B180DA2B50B954A55FE37AFBA58D428 | SHA256:96D04CDFAF4F4D7B8722B139A15074975D4C244302F78034B7BE65DF1A92FD03 | |||
| 128 | Twain Install.exe | C:\Users\admin\AppData\Local\Temp\RarSFX0\msvbvm60.dll | executable | |
MD5:351BC7471A9874ACACF7D386FA8BE227 | SHA256:20CBF8835F6FD3878ACACBB7868F7B95A7AAE6C2C9D5D0A926337ED31378FA7A | |||
| 128 | Twain Install.exe | C:\Users\admin\AppData\Local\Temp\RarSFX0\avvio.exe | executable | |
MD5:ED8D046370C4DE28BA232A31C5FB6314 | SHA256:A3F85C30F09878DB255556E07B3224AA06D9F2F0ACEC17418AB9FB813FF5B031 | |||
| 764 | Sp40TWAINSetup.exe | C:\Users\admin\AppData\Local\Temp\is-RKQI9.tmp\Sp40TWAINSetup.tmp | executable | |
MD5:67C5A4F36E1C91A3B85E440EDD7AD026 | SHA256:99C299D6565AB53D9AF66E0146737DC0ECFBC52ECF4740825B552DB0CC4210C6 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
DNS requests
0
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 |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |