| File name: | http://ccleaner.tools.avcdn.net/tools/ccleaner/update/20180205.dll |
| Full analysis: | https://app.any.run/tasks/d153a5d4-fddc-4caa-9d11-e79b4d1b96e9 |
| Verdict: | Malicious activity |
| Analysis date: | February 10, 2019, 16:48:57 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (DLL) (GUI) Intel 80386, for MS Windows |
| MD5: | FE6F58FB55D9A93502528C3C9BB13A3F |
| SHA1: | 516275DDDBC9E2F056342201B03A0931D93A6239 |
| SHA256: | C427BCF6B065EDF06662E0540E3E9A21C07095184E7BB9D05926DC3B79FC3348 |
| SSDEEP: | 12288:KptzeTYZP443n/q6LQX5uNllmSJIbbEcgSZ5MQUszT:KptzeKP443nCuQKgSJITgybUsf |
MALICIOUS
Loads dropped or rewritten executable
- WerFault.exe (PID: 2080)
SUSPICIOUS
No suspicious indicators.INFO
Loads main object executable
- rundll32.exe (PID: 3028)
Application was crashed
- rundll32.exe (PID: 3028)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (76.4) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (12.4) |
| .exe | | | Generic Win/DOS Executable (5.5) |
| .exe | | | DOS Executable Generic (5.5) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2018:09:10 11:12:47+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 14 |
| CodeSize: | 342016 |
| InitializedDataSize: | 134144 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x152c0 |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.1 |
| ProductVersionNumber: | 1.0.0.1 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Dynamic link library |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | AVAST Software s. r. o. |
| FileDescription: | Avast Emergency Update |
| FileVersion: | 1.0.0.1 |
| InternalName: | EmUpdate |
| LegalCopyright: | © 2015 AVAST Software s. r. o. |
| OriginalFileName: | EmUpdate.dll |
| ProductName: | Avast Emergency Update |
| ProductVersion: | 1.0.0.1 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 10-Sep-2018 09:12:47 |
| Detected languages: |
|
| TLS Callbacks: | 1 callback(s) detected. |
| Debug artifacts: |
|
| CompanyName: | AVAST Software s. r. o. |
| FileDescription: | Avast Emergency Update |
| FileVersion: | 1.0.0.1 |
| InternalName: | EmUpdate |
| LegalCopyright: | © 2015 AVAST Software s. r. o. |
| OriginalFilename: | EmUpdate.dll |
| ProductName: | Avast Emergency Update |
| ProductVersion: | 1.0.0.1 |
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: | 0x00000128 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 6 |
| Time date stamp: | 10-Sep-2018 09:12:47 |
| 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 | 0x0005363A | 0x00053800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.64985 |
.rdata | 0x00055000 | 0x00017FA8 | 0x00018000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.38269 |
.data | 0x0006D000 | 0x00003950 | 0x00002600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.46529 |
.tls | 0x00071000 | 0x00000002 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x00072000 | 0x00000538 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.7578 |
.reloc | 0x00073000 | 0x000048C4 | 0x00004A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.56883 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.37121 | 788 | UNKNOWN | English - United States | RT_VERSION |
2 | 4.91161 | 381 | UNKNOWN | English - United States | RT_MANIFEST |
Imports
ADVAPI32.dll |
KERNEL32.dll |
SHELL32.dll |
SHLWAPI.dll |
USER32.dll |
VERSION.dll |
WINHTTP.dll |
ntdll.dll |
Exports
Title | Ordinal | Address |
|---|---|---|
ApplyEmUpdate | 1 | 0x00012080 |
on_avast_dll_unload | 2 | 0x00010800 |
Total processes
31
Monitored processes
2
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2080 | C:\Windows\system32\WerFault.exe -u -p 3028 -s 172 | C:\Windows\system32\WerFault.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Problem Reporting Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3028 | "C:\Windows\System32\rundll32.exe" "C:\Users\admin\20180205.dll", ApplyEmUpdate | C:\Windows\System32\rundll32.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 3221225477 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
12
Read events
12
Write events
0
Delete events
0
Modification events
Executable files
0
Suspicious files
1
Text files
0
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2080 | WerFault.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_201_96395219129ea5d7f6187af7978e8f79c02899cb_0839c876\Report.wer | binary | |
MD5:— | SHA256:— | |||
| 2080 | WerFault.exe | C:\Users\admin\AppData\Local\CrashDumps\rundll32.exe.3028.dmp | dmp | |
MD5:— | SHA256:— | |||
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