| File name: | PSMCodec.exe |
| Full analysis: | https://app.any.run/tasks/2de89404-a093-4af4-a32f-8d50d31b192b |
| Verdict: | Suspicious activity |
| Analysis date: | August 22, 2019, 10:05:05 |
| 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, MS CAB-Installer self-extracting archive |
| MD5: | F5C15B7066229658C1E9378CE8E0995D |
| SHA1: | 8516125B791F08E33F98466D33E719289C92912F |
| SHA256: | C434041AA436FB1087648232FAC6D5A42CA61D6CAC60A561DDE48424EBCE2B75 |
| SSDEEP: | 3072:xkZdaKmzgbj88H0JOs5id2VkaT1AEVBdMcUs:yWK80T2qaT1AEV/Mcn |
MALICIOUS
Changes the autorun value in the registry
- rundll32.exe (PID: 2076)
SUSPICIOUS
Executable content was dropped or overwritten
- PSMCodec.exe (PID: 2164)
- rundll32.exe (PID: 2076)
Removes files from Windows directory
- rundll32.exe (PID: 2076)
Uses RUNDLL32.EXE to load library
- PSMCodec.exe (PID: 2164)
Creates files in the program directory
- rundll32.exe (PID: 2076)
Creates files in the Windows directory
- rundll32.exe (PID: 2076)
Creates a software uninstall entry
- rundll32.exe (PID: 2076)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 MS Cabinet Self-Extractor (WExtract stub) (80.4) |
|---|---|---|
| .exe | | | Win32 Executable MS Visual C++ (generic) (8.2) |
| .exe | | | Win64 Executable (generic) (7.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (1.7) |
| .exe | | | Win32 Executable (generic) (1.1) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2001:08:18 03:42:57+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 7 |
| CodeSize: | 34816 |
| InitializedDataSize: | 69632 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x5a5e |
| OSVersion: | 5.1 |
| ImageVersion: | 5.1 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 6.0.2600.0 |
| ProductVersionNumber: | 6.0.2600.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | Microsoft Corporation |
| FileDescription: | Win32 Cabinet Self-Extractor |
| FileVersion: | 6.00.2600.0000 |
| InternalName: | Wextract |
| LegalCopyright: | © Microsoft Corporation. All rights reserved. |
| OriginalFileName: | WEXTRACT.EXE |
| ProductName: | Microsoft® Windows® Operating System |
| ProductVersion: | 6.00.2600.0000 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 18-Aug-2001 01:42:57 |
| Detected languages: |
|
| Debug artifacts: |
|
| CompanyName: | Microsoft Corporation |
| FileDescription: | Win32 Cabinet Self-Extractor |
| FileVersion: | 6.00.2600.0000 |
| InternalName: | Wextract |
| LegalCopyright: | © Microsoft Corporation. All rights reserved. |
| OriginalFilename: | WEXTRACT.EXE |
| ProductName: | Microsoft® Windows® Operating System |
| ProductVersion: | 6.00.2600.0000 |
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: | 0x000000C8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 18-Aug-2001 01:42:57 |
| 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 | 0x00001000 | 0x0000861A | 0x00008800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.55102 |
.data | 0x0000A000 | 0x00001BE4 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.18428 |
.rsrc | 0x0000C000 | 0x00010BC4 | 0x00010C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 7.10486 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 4.95359 | 505 | Latin 1 / Western European | English - United States | RT_MANIFEST |
2 | 3.53793 | 296 | Latin 1 / Western European | English - United States | RT_ICON |
63 | 2.48958 | 140 | Latin 1 / Western European | English - United States | RT_STRING |
76 | 3.2674 | 1312 | Latin 1 / Western European | English - United States | RT_STRING |
77 | 3.29977 | 1484 | Latin 1 / Western European | English - United States | RT_STRING |
80 | 3.27174 | 1200 | Latin 1 / Western European | English - United States | RT_STRING |
83 | 3.2912 | 1098 | Latin 1 / Western European | English - United States | RT_STRING |
85 | 3.13591 | 974 | Latin 1 / Western European | English - United States | RT_STRING |
2001 | 3.35785 | 716 | Latin 1 / Western European | English - United States | RT_DIALOG |
2002 | 3.34986 | 394 | Latin 1 / Western European | English - United States | RT_DIALOG |
Imports
ADVAPI32.dll |
COMCTL32.dll |
GDI32.dll |
KERNEL32.dll |
USER32.dll |
VERSION.dll |
Total processes
43
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2076 | rundll32.exe setupapi.dll,InstallHinfSection DefaultInstall 128 C:\Users\admin\AppData\Local\Temp\IXP000.TMP\scpr.inf | C:\Windows\system32\rundll32.exe | PSMCodec.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2164 | "C:\Users\admin\AppData\Local\Temp\PSMCodec.exe" | C:\Users\admin\AppData\Local\Temp\PSMCodec.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Win32 Cabinet Self-Extractor Exit code: 0 Version: 6.00.2600.0000 Modules
| |||||||||||||||
| 2548 | "C:\Windows\system32\runonce.exe" -r | C:\Windows\system32\runonce.exe | — | rundll32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Run Once Wrapper Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3276 | "C:\Windows\System32\grpconv.exe" -o | C:\Windows\System32\grpconv.exe | — | runonce.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Progman Group Converter Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3680 | "C:\Users\admin\AppData\Local\Temp\PSMCodec.exe" | C:\Users\admin\AppData\Local\Temp\PSMCodec.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Win32 Cabinet Self-Extractor Exit code: 3221226540 Version: 6.00.2600.0000 Modules
| |||||||||||||||
Total events
49
Read events
32
Write events
16
Delete events
1
Modification events
| (PID) Process: | (2076) rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\Setup\SetupapiLogStatus |
| Operation: | write | Name: | setupapi.app.log |
Value: 4096 | |||
| (PID) Process: | (2548) runonce.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce |
| Operation: | delete value | Name: | GrpConv |
Value: grpconv -o | |||
| (PID) Process: | (2548) runonce.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2548) runonce.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2076) rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\MediaResources\icm\VIDC.SCPR |
| Operation: | write | Name: | Description |
Value: SCPR ScreenPressor [SCPR] | |||
| (PID) Process: | (2076) rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\MediaResources\icm\VIDC.SCPR |
| Operation: | write | Name: | Driver |
Value: SCPR.dll | |||
| (PID) Process: | (2076) rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\MediaResources\icm\VIDC.SCPR |
| Operation: | write | Name: | FriendlyName |
Value: SCPR ScreenPressor [SCPR] | |||
| (PID) Process: | (2076) rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\drivers.desc |
| Operation: | write | Name: | SCPR.dll |
Value: SCPR ScreenPressor [SCPR] | |||
| (PID) Process: | (2076) rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Drivers32 |
| Operation: | write | Name: | VIDC.SCPR |
Value: SCPR.dll | |||
| (PID) Process: | (2076) rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SCPR |
| Operation: | write | Name: | |
Value: | |||
Executable files
4
Suspicious files
2
Text files
36
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2076 | rundll32.exe | C:\Windows\INF\SET9D9C.tmp | — | |
MD5:— | SHA256:— | |||
| 2076 | rundll32.exe | C:\Windows\system32\SET9DAD.tmp | — | |
MD5:— | SHA256:— | |||
| 2076 | rundll32.exe | C:\Program Files\ScreenPressor\SET9DBD.tmp | — | |
MD5:— | SHA256:— | |||
| 2076 | rundll32.exe | C:\Program Files\ScreenPressor\SET9DBE.tmp | — | |
MD5:— | SHA256:— | |||
| 2076 | rundll32.exe | C:\Program Files\ScreenPressor\SET9DCF.tmp | — | |
MD5:— | SHA256:— | |||
| 2164 | PSMCodec.exe | C:\Users\admin\AppData\Local\Temp\IXP000.TMP\readme.txt | text | |
MD5:649BA21C08F9F7464AA52F16511879E4 | SHA256:3FFDE5739613C8AB521ECA19B1A3A6342BB761B7198D7A15E3B66DE3F099657F | |||
| 2076 | rundll32.exe | C:\Program Files\ScreenPressor\readme.txt | text | |
MD5:649BA21C08F9F7464AA52F16511879E4 | SHA256:3FFDE5739613C8AB521ECA19B1A3A6342BB761B7198D7A15E3B66DE3F099657F | |||
| 2076 | rundll32.exe | C:\Windows\INF\setupapi.app.log | text | |
MD5:— | SHA256:— | |||
| 2548 | runonce.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Explorer\ExplorerStartupLog_RunOnce.etl | etl | |
MD5:— | SHA256:— | |||
| 2076 | rundll32.exe | C:\Windows\INF\SCPR.INF | binary | |
MD5:28F33816E5D3603F6223B87FE5CA3A0A | SHA256:4E08CE12B4ACE3332A5E663C620E6BB9A12E87D318543D29EDD72C3435CC8787 | |||
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HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
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