| download: | libcurl.dll |
| Full analysis: | https://app.any.run/tasks/0fea4560-904d-420b-a4ce-1936585ffac1 |
| Verdict: | Malicious activity |
| Analysis date: | October 07, 2019, 19:32:27 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (DLL) (console) Intel 80386, for MS Windows |
| MD5: | 52BEE949750BE5FAE9D84E1944C15587 |
| SHA1: | 7EDEC05BCC4B510ECE802F3812FC83C2EF6F94F8 |
| SHA256: | F328D32208562535CF364ABE37D878CD0BAD997AD055BD0705625E5338AE029A |
| SSDEEP: | 6144:esQP7gWNS20CRvnYX1Z1pSudMYYvwaQ4guyceKGnq2ShkCoub:lQzgjYFYFZ1pSu6YiwaQDUMu |
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2016:01:08 03:27:50+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 217088 |
| InitializedDataSize: | 51200 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x35919 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows command line |
| FileVersionNumber: | 7.46.0.0 |
| ProductVersionNumber: | 7.46.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Dynamic link library |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | The cURL library, http://curl.haxx.se/ |
| FileDescription: | libcurl Shared Library |
| FileVersion: | 7.46.0 |
| InternalName: | libcurl |
| OriginalFileName: | libcurl.dll |
| ProductName: | The cURL library |
| ProductVersion: | 7.46.0 |
| LegalCopyright: | ?1996 - 2015 Daniel Stenberg, <daniel@haxx.se>. |
| License: | http://curl.haxx.se/docs/copyright.html |
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_CUI |
| Compilation Date: | 08-Jan-2016 02:27:50 |
| Detected languages: |
|
| CompanyName: | The cURL library, http://curl.haxx.se/ |
| FileDescription: | libcurl Shared Library |
| FileVersion: | 7.46.0 |
| InternalName: | libcurl |
| OriginalFilename: | libcurl.dll |
| ProductName: | The cURL library |
| ProductVersion: | 7.46.0 |
| LegalCopyright: | ?1996 - 2015 Daniel Stenberg, <daniel@haxx.se>. |
| License: | http://curl.haxx.se/docs/copyright.html |
| 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: | 0x00000100 |
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 08-Jan-2016 02:27:50 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00001000 | 0x00034FC6 | 0x00035000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.3674 |
.rdata | 0x00036000 | 0x000091D4 | 0x00009200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.45283 |
.data | 0x00040000 | 0x000004C8 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0.995066 |
.rsrc | 0x00041000 | 0x000005C8 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.03272 |
.reloc | 0x00042000 | 0x0000281A | 0x00002A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.40531 |
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.45114 | 936 | UNKNOWN | English - United States | RT_VERSION |
2 | 4.91161 | 381 | UNKNOWN | English - United States | RT_MANIFEST |
ADVAPI32.dll |
KERNEL32.dll |
MSVCR110.dll |
WLDAP32.dll |
WS2_32.dll |
Title | Ordinal | Address |
|---|---|---|
curl_easy_cleanup | 1 | 0x00009590 |
curl_easy_duphandle | 2 | 0x000095B0 |
curl_easy_escape | 3 | 0x00009FB0 |
curl_easy_getinfo | 4 | 0x00009770 |
curl_easy_init | 5 | 0x00009790 |
curl_easy_pause | 6 | 0x00009820 |
curl_easy_perform | 7 | 0x000098B0 |
curl_easy_recv | 8 | 0x000098D0 |
curl_easy_reset | 9 | 0x00009960 |
curl_easy_send | 10 | 0x000099F0 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1468 | C:\Windows\system32\WerFault.exe -u -p 2604 -s 180 | 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
| |||||||||||||||
| 2604 | "C:\Windows\System32\rundll32.exe" "C:\Users\admin\Desktop\libcurl.dll", curl_easy_cleanup | 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
| |||||||||||||||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1468 | WerFault.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_lib_c1d03568789eabbcd57c4ff5d8a7be5afbdff50_05a48a1a\Report.wer | binary | |
MD5:— | SHA256:— | |||
| 1468 | WerFault.exe | C:\Users\admin\AppData\Local\CrashDumps\rundll32.exe.2604.dmp | dmp | |
MD5:— | SHA256:— | |||