| File name: | CuteWriter.exe |
| Full analysis: | https://app.any.run/tasks/4b6408c9-75a7-4ca7-8fde-83355b6156f5 |
| Verdict: | Malicious activity |
| Threats: | A loader is malicious software that infiltrates devices to deliver malicious payloads. This malware is capable of infecting victims’ computers, analyzing their system information, and installing other types of threats, such as trojans or stealers. Criminals usually deliver loaders through phishing emails and links by relying on social engineering to trick users into downloading and running their executables. Loaders employ advanced evasion and persistence tactics to avoid detection. |
| Analysis date: | May 24, 2019, 02:11:24 |
| 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: | 92389F65392933D83640586FDEC072BD |
| SHA1: | B04871C1608A2CE8F1E6458933799CCCD6B89448 |
| SHA256: | FED425B324EF6D7214FC4DBA5109178CE58A568DAB0AFED39255E726E0992064 |
| SSDEEP: | 49152:d9PNDS8tbOZ0EAw25EtAMpiS9JD/2oDuPragS:LPXtA0Xw2CiF27S2gS |
MALICIOUS
Loads dropped or rewritten executable
- spoolsv.exe (PID: 1196)
Application was dropped or rewritten from another process
- converter.exe (PID: 2496)
- Setup.exe (PID: 3216)
Downloads executable files from the Internet
- Setup.exe (PID: 3192)
SUSPICIOUS
Executable content was dropped or overwritten
- CuteWriter.exe (PID: 3720)
- CuteWriter.tmp (PID: 1920)
- CuteWriter.exe (PID: 1240)
- Setup.exe (PID: 3192)
- spoolsv.exe (PID: 1196)
- converter.exe (PID: 2496)
- Setup.exe (PID: 3216)
Creates files in the Windows directory
- Setup.exe (PID: 3192)
- spoolsv.exe (PID: 1196)
Removes files from Windows directory
- spoolsv.exe (PID: 1196)
Starts Internet Explorer
- Setup.exe (PID: 3192)
Creates files in the program directory
- Setup.exe (PID: 3216)
INFO
Application was dropped or rewritten from another process
- CuteWriter.tmp (PID: 1920)
- Setup.exe (PID: 3192)
- CuteWriter.tmp (PID: 1132)
Loads dropped or rewritten executable
- CuteWriter.tmp (PID: 1920)
- Setup.exe (PID: 3192)
Changes internet zones settings
- iexplore.exe (PID: 1484)
Creates files in the program directory
- Setup.exe (PID: 3192)
Creates a software uninstall entry
- Setup.exe (PID: 3192)
Application launched itself
- iexplore.exe (PID: 1484)
Reads Internet Cache Settings
- iexplore.exe (PID: 900)
- iexplore.exe (PID: 1484)
Reads internet explorer settings
- iexplore.exe (PID: 900)
Creates files in the user directory
- iexplore.exe (PID: 900)
Reads settings of System Certificates
- iexplore.exe (PID: 1484)
Changes settings of System certificates
- iexplore.exe (PID: 1484)
Adds / modifies Windows certificates
- iexplore.exe (PID: 1484)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Inno Setup installer (77.7) |
|---|---|---|
| .exe | | | Win32 Executable Delphi generic (10) |
| .dll | | | Win32 Dynamic Link Library (generic) (4.6) |
| .exe | | | Win32 Executable (generic) (3.1) |
| .exe | | | Win16/32 Executable Delphi generic (1.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 1992:06:20 00:22:17+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 40448 |
| InitializedDataSize: | 17920 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xa5f8 |
| OSVersion: | 1 |
| ImageVersion: | 6 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 3.2.0.1 |
| ProductVersionNumber: | 3.2.0.1 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | CutePDF Setup |
| CompanyName: | Acro Software Inc. |
| FileDescription: | CutePDF Writer Setup |
| FileVersion: | 3.2.0.1 |
| LegalCopyright: | |
| ProductName: | CutePDF Writer |
| ProductVersion: | 3.2.0.1 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 19-Jun-1992 22:22:17 |
| Detected languages: |
|
| Comments: | CutePDF Setup |
| CompanyName: | Acro Software Inc. |
| FileDescription: | CutePDF Writer Setup |
| FileVersion: | 3.2.0.1 |
| LegalCopyright: | - |
| ProductName: | CutePDF Writer |
| ProductVersion: | 3.2.0.1 |
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: | 8 |
| Time date stamp: | 19-Jun-1992 22:22:17 |
| 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 |
|---|---|---|---|---|---|
CODE | 0x00001000 | 0x00009D30 | 0x00009E00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.63175 |
DATA | 0x0000B000 | 0x00000250 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 2.75472 |
BSS | 0x0000C000 | 0x00000E90 | 0x00000000 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.idata | 0x0000D000 | 0x00000950 | 0x00000A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.43073 |
.tls | 0x0000E000 | 0x00000008 | 0x00000000 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rdata | 0x0000F000 | 0x00000018 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 0.204488 |
.reloc | 0x00010000 | 0x000008C4 | 0x00000000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 0 |
.rsrc | 0x00011000 | 0x00002C00 | 0x00002C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 4.58173 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.13965 | 1580 | UNKNOWN | English - United States | RT_MANIFEST |
2 | 3.47151 | 1384 | UNKNOWN | Dutch - Netherlands | RT_ICON |
3 | 3.91708 | 744 | UNKNOWN | Dutch - Netherlands | RT_ICON |
4 | 3.91366 | 2216 | UNKNOWN | Dutch - Netherlands | RT_ICON |
4089 | 3.21823 | 754 | UNKNOWN | UNKNOWN | RT_STRING |
4090 | 3.31515 | 780 | UNKNOWN | UNKNOWN | RT_STRING |
4091 | 3.25024 | 718 | UNKNOWN | UNKNOWN | RT_STRING |
4093 | 2.86149 | 104 | UNKNOWN | UNKNOWN | RT_STRING |
4094 | 3.20731 | 180 | UNKNOWN | UNKNOWN | RT_STRING |
4095 | 3.04592 | 174 | UNKNOWN | UNKNOWN | RT_STRING |
Imports
advapi32.dll |
comctl32.dll |
kernel32.dll |
oleaut32.dll |
user32.dll |
Total processes
45
Monitored processes
10
Malicious processes
4
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 900 | "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:1484 CREDAT:79873 | C:\Program Files\Internet Explorer\iexplore.exe | iexplore.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Internet Explorer Exit code: 0 Version: 8.00.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1132 | "C:\Users\admin\AppData\Local\Temp\is-PR700.tmp\CuteWriter.tmp" /SL5="$600EC,1364673,56832,C:\Users\admin\AppData\Local\Temp\CuteWriter.exe" | C:\Users\admin\AppData\Local\Temp\is-PR700.tmp\CuteWriter.tmp | — | CuteWriter.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Setup/Uninstall Exit code: 0 Version: 51.52.0.0 Modules
| |||||||||||||||
| 1196 | C:\Windows\System32\spoolsv.exe | C:\Windows\System32\spoolsv.exe | services.exe | ||||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Spooler SubSystem App Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1240 | "C:\Users\admin\AppData\Local\Temp\CuteWriter.exe" | C:\Users\admin\AppData\Local\Temp\CuteWriter.exe | explorer.exe | ||||||||||||
User: admin Company: Acro Software Inc. Integrity Level: MEDIUM Description: CutePDF Writer Setup Exit code: 0 Version: 3.2.0.1 Modules
| |||||||||||||||
| 1484 | "C:\Program Files\Internet Explorer\iexplore.exe" -nohome | C:\Program Files\Internet Explorer\iexplore.exe | Setup.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Internet Explorer Exit code: 0 Version: 8.00.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1920 | "C:\Users\admin\AppData\Local\Temp\is-11HA1.tmp\CuteWriter.tmp" /SL5="$80288,1364673,56832,C:\Users\admin\AppData\Local\Temp\CuteWriter.exe" /SPAWNWND=$7025A /NOTIFYWND=$600EC | C:\Users\admin\AppData\Local\Temp\is-11HA1.tmp\CuteWriter.tmp | CuteWriter.exe | ||||||||||||
User: admin Integrity Level: HIGH Description: Setup/Uninstall Exit code: 0 Version: 51.52.0.0 Modules
| |||||||||||||||
| 2496 | C:\Users\admin\AppData\Local\Temp\\converter.exe /auto | C:\Users\admin\AppData\Local\Temp\converter.exe | Setup.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 3192 | "C:\Users\admin\AppData\Local\Temp\is-SULP2.tmp\Setup.exe" /cpw07012009 /W6 | C:\Users\admin\AppData\Local\Temp\is-SULP2.tmp\Setup.exe | CuteWriter.tmp | ||||||||||||
User: admin Company: Acro Software Inc. Integrity Level: HIGH Description: Setup Application Exit code: 0 Version: 3, 2, 0, 1 Modules
| |||||||||||||||
| 3216 | Setup.exe | C:\Users\admin\AppData\Local\Temp\WZSE0.TMP\Setup.exe | converter.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 3720 | "C:\Users\admin\AppData\Local\Temp\CuteWriter.exe" /SPAWNWND=$7025A /NOTIFYWND=$600EC | C:\Users\admin\AppData\Local\Temp\CuteWriter.exe | CuteWriter.tmp | ||||||||||||
User: admin Company: Acro Software Inc. Integrity Level: HIGH Description: CutePDF Writer Setup Exit code: 0 Version: 3.2.0.1 Modules
| |||||||||||||||
Total events
1 562
Read events
768
Write events
785
Delete events
9
Modification events
| (PID) Process: | (1920) CuteWriter.tmp | Key: | HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000 |
| Operation: | write | Name: | Owner |
Value: 80070000DC46E80DD611D501 | |||
| (PID) Process: | (1920) CuteWriter.tmp | Key: | HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000 |
| Operation: | write | Name: | SessionHash |
Value: 603695D917483874AF7B79F11C3453573A8068414B41D1C1309721E7ED823657 | |||
| (PID) Process: | (1920) CuteWriter.tmp | Key: | HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000 |
| Operation: | write | Name: | Sequence |
Value: 1 | |||
| (PID) Process: | (1920) CuteWriter.tmp | Key: | HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000 |
| Operation: | write | Name: | RegFiles0000 |
Value: C:\Users\admin\AppData\Local\Temp\is-SULP2.tmp\Setup.exe | |||
| (PID) Process: | (1920) CuteWriter.tmp | Key: | HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000 |
| Operation: | write | Name: | RegFilesHash |
Value: F8D1276153A863444D2E7E30FA4BC817EAFF40289F1601D3016D76E162196CFF | |||
| (PID) Process: | (1196) spoolsv.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Print\Environments\Windows NT x86\Drivers\Version-3\CutePDF Writer v3.2 |
| Operation: | write | Name: | Dependent Files |
Value: PSCRIPT.NTF | |||
| (PID) Process: | (1196) spoolsv.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Print\Environments\Windows NT x86\Drivers\Version-3\CutePDF Writer v3.2 |
| Operation: | write | Name: | Configuration File |
Value: PS5UI.DLL | |||
| (PID) Process: | (1196) spoolsv.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Print\Environments\Windows NT x86\Drivers\Version-3\CutePDF Writer v3.2 |
| Operation: | write | Name: | Data File |
Value: CUTEPDFW.PPD | |||
| (PID) Process: | (1196) spoolsv.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Print\Environments\Windows NT x86\Drivers\Version-3\CutePDF Writer v3.2 |
| Operation: | write | Name: | Driver |
Value: PSCRIPT5.DLL | |||
| (PID) Process: | (1196) spoolsv.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Print\Environments\Windows NT x86\Drivers\Version-3\CutePDF Writer v3.2 |
| Operation: | write | Name: | Help File |
Value: PSCRIPT.HLP | |||
Executable files
27
Suspicious files
7
Text files
486
Unknown types
58
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1920 | CuteWriter.tmp | C:\Users\admin\AppData\Local\Temp\is-SULP2.tmp\is-Q90NN.tmp | — | |
MD5:— | SHA256:— | |||
| 1920 | CuteWriter.tmp | C:\Users\admin\AppData\Local\Temp\is-SULP2.tmp\is-A5R3A.tmp | — | |
MD5:— | SHA256:— | |||
| 1920 | CuteWriter.tmp | C:\Users\admin\AppData\Local\Temp\is-SULP2.tmp\is-5TOOF.tmp | — | |
MD5:— | SHA256:— | |||
| 1920 | CuteWriter.tmp | C:\Users\admin\AppData\Local\Temp\is-SULP2.tmp\is-MVMAG.tmp | — | |
MD5:— | SHA256:— | |||
| 1920 | CuteWriter.tmp | C:\Users\admin\AppData\Local\Temp\is-SULP2.tmp\is-1D0DT.tmp | — | |
MD5:— | SHA256:— | |||
| 1920 | CuteWriter.tmp | C:\Users\admin\AppData\Local\Temp\is-SULP2.tmp\is-IJAD7.tmp | — | |
MD5:— | SHA256:— | |||
| 1920 | CuteWriter.tmp | C:\Users\admin\AppData\Local\Temp\is-SULP2.tmp\Driver\is-3RPH1.tmp | — | |
MD5:— | SHA256:— | |||
| 1920 | CuteWriter.tmp | C:\Users\admin\AppData\Local\Temp\is-SULP2.tmp\Driver\is-R1V8A.tmp | — | |
MD5:— | SHA256:— | |||
| 1920 | CuteWriter.tmp | C:\Users\admin\AppData\Local\Temp\is-SULP2.tmp\Driver\is-LO6I1.tmp | — | |
MD5:— | SHA256:— | |||
| 1920 | CuteWriter.tmp | C:\Users\admin\AppData\Local\Temp\is-SULP2.tmp\Driver\is-GP8CT.tmp | — | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
21
TCP/UDP connections
10
DNS requests
5
Threats
3
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
900 | iexplore.exe | GET | 200 | 172.217.22.34:80 | http://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js | US | text | 32.3 Kb | whitelisted |
900 | iexplore.exe | GET | 200 | 216.152.136.150:80 | http://www.cutepdf-editor.com/images/PrintSaveAS.gif | US | image | 34.6 Kb | suspicious |
3192 | Setup.exe | GET | 302 | 216.152.136.150:80 | http://download.cutepdf.com/download/converter2.asp?V=W6 | US | html | 130 b | whitelisted |
900 | iexplore.exe | GET | 200 | 216.152.136.150:80 | http://www.cutepdf-editor.com/images/background.jpg | US | image | 34.4 Kb | suspicious |
1484 | iexplore.exe | GET | 200 | 204.79.197.200:80 | http://www.bing.com/favicon.ico | US | image | 237 b | whitelisted |
3192 | Setup.exe | GET | 200 | 216.152.136.150:80 | http://download.cutepdf.com/download/gplgs.exe | US | executable | 7.73 Mb | whitelisted |
900 | iexplore.exe | GET | 200 | 216.152.136.150:80 | http://www.cutepdf-editor.com/include/main.css | US | text | 9.23 Kb | suspicious |
900 | iexplore.exe | GET | 200 | 216.152.136.150:80 | http://www.cutepdf-editor.com/Images/space.gif | US | image | 43 b | suspicious |
900 | iexplore.exe | GET | 200 | 216.152.136.150:80 | http://www.cutepdf-editor.com/images/companybg.jpg | US | image | 16.5 Kb | suspicious |
900 | iexplore.exe | GET | 200 | 64.233.167.156:80 | http://stats.g.doubleclick.net/dc.js | US | text | 16.6 Kb | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3192 | Setup.exe | 216.152.136.150:80 | download.cutepdf.com | Peer 1 Network (USA) Inc. | US | suspicious |
1484 | iexplore.exe | 204.79.197.200:80 | www.bing.com | Microsoft Corporation | US | whitelisted |
900 | iexplore.exe | 172.217.22.34:80 | pagead2.googlesyndication.com | Google Inc. | US | whitelisted |
900 | iexplore.exe | 64.233.167.156:80 | stats.g.doubleclick.net | Google Inc. | US | whitelisted |
900 | iexplore.exe | 216.152.136.150:80 | download.cutepdf.com | Peer 1 Network (USA) Inc. | US | suspicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
download.cutepdf.com |
| whitelisted |
www.cutepdf-editor.com |
| suspicious |
www.bing.com |
| whitelisted |
pagead2.googlesyndication.com |
| whitelisted |
stats.g.doubleclick.net |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3192 | Setup.exe | Misc activity | APP [PTsecurity] CutePDF |
3192 | Setup.exe | Misc activity | APP [PTsecurity] CutePDF |
3192 | Setup.exe | Potential Corporate Privacy Violation | ET POLICY PE EXE or DLL Windows file download HTTP |