| File name: | Firefox Installer.exe |
| Full analysis: | https://app.any.run/tasks/5a57af43-7f06-47d1-a4fc-60a9008300ef |
| Verdict: | Malicious activity |
| Analysis date: | March 21, 2019, 12:56:54 |
| 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, UPX compressed |
| MD5: | 1EEECAE58D5CF0B87EA4AB2FC3498A70 |
| SHA1: | 289E7DBC056E94E34F86CBDA0C6595DF18EE2FDC |
| SHA256: | 088B3C21BE5D0BA5CF645E7F45A4A67C1D7E70B5D21974C28E44AB51D4762E32 |
| SSDEEP: | 6144:QTAyHQDVWuU4UUU3UUUj9rOAzvuJV3SSkytH+N8NWJR3qIrzkcyyco7N:QcyHQ1U4UUU3UUU5aeANSSp+SirzkJXU |
| .exe | | | Win64 Executable (generic) (39.5) |
|---|---|---|
| .exe | | | UPX compressed Win32 Executable (38.7) |
| .dll | | | Win32 Dynamic Link Library (generic) (9.4) |
| .exe | | | Win32 Executable (generic) (6.4) |
| .exe | | | Generic Win/DOS Executable (2.8) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2018:02:12 23:33:59+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 57344 |
| InitializedDataSize: | 65536 |
| UninitializedDataSize: | 147456 |
| EntryPoint: | 0x32d00 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 18.1.0.0 |
| ProductVersionNumber: | 18.1.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | Mozilla |
| FileDescription: | Firefox |
| FileVersion: | 18.01 |
| InternalName: | 7zS.sfx |
| LegalCopyright: | Mozilla |
| OriginalFileName: | 7zS.sfx.exe |
| ProductName: | Firefox |
| ProductVersion: | 18.01 |
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 12-Feb-2018 22:33:59 |
| Detected languages: |
|
| CompanyName: | Mozilla |
| FileDescription: | Firefox |
| FileVersion: | 18.01 |
| InternalName: | 7zS.sfx |
| LegalCopyright: | Mozilla |
| OriginalFilename: | 7zS.sfx.exe |
| ProductName: | Firefox |
| ProductVersion: | 18.01 |
| 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: | 0x000000F0 |
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 12-Feb-2018 22:33:59 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
UPX0 | 0x00001000 | 0x00024000 | 0x00000000 | IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
UPX1 | 0x00025000 | 0x0000E000 | 0x0000E000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.89256 |
.rsrc | 0x00033000 | 0x00010000 | 0x0000F200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.39763 |
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.3883 | 1365 | UNKNOWN | English - United States | RT_MANIFEST |
2 | 5.28933 | 5160 | UNKNOWN | English - United States | RT_ICON |
3 | 5.05971 | 11560 | UNKNOWN | English - United States | RT_ICON |
4 | 7.98148 | 40620 | UNKNOWN | English - United States | RT_ICON |
5 | 6.396 | 136 | UNKNOWN | English - United States | RT_STRING |
97 | 6.69582 | 184 | UNKNOWN | English - United States | RT_DIALOG |
188 | 5.99339 | 84 | UNKNOWN | English - United States | RT_STRING |
207 | 5.37823 | 52 | UNKNOWN | English - United States | RT_STRING |
KERNEL32.DLL |
MSVCRT.dll |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 260 | "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2156 CREDAT:71937 | C:\Program Files\Internet Explorer\iexplore.exe | — | iexplore.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Internet Explorer Exit code: 0 Version: 8.00.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2156 | "C:\Program Files\Internet Explorer\iexplore.exe" | C:\Program Files\Internet Explorer\iexplore.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Internet Explorer Exit code: 0 Version: 8.00.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2276 | "C:\Users\admin\AppData\Local\Temp\Firefox Installer.exe" | C:\Users\admin\AppData\Local\Temp\Firefox Installer.exe | explorer.exe | ||||||||||||
User: admin Company: Mozilla Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 18.01 Modules
| |||||||||||||||
| 2832 | C:\Windows\system32\Macromed\Flash\FlashUtil32_26_0_0_131_ActiveX.exe -Embedding | C:\Windows\system32\Macromed\Flash\FlashUtil32_26_0_0_131_ActiveX.exe | — | svchost.exe | |||||||||||
User: admin Company: Adobe Systems Incorporated Integrity Level: MEDIUM Description: Adobe® Flash® Player Installer/Uninstaller 26.0 r0 Exit code: 0 Version: 26,0,0,131 Modules
| |||||||||||||||
| 2932 | "C:\Users\admin\AppData\Local\Temp\7zS4E815C9F\setup-stub.exe" /UAC:4013C /NCRC | C:\Users\admin\AppData\Local\Temp\7zS4E815C9F\setup-stub.exe | setup-stub.exe | ||||||||||||
User: admin Company: Mozilla Corporation Integrity Level: HIGH Description: Firefox Installer Exit code: 0 Version: 60.0.2 Modules
| |||||||||||||||
| 3244 | .\setup-stub.exe | C:\Users\admin\AppData\Local\Temp\7zS4E815C9F\setup-stub.exe | Firefox Installer.exe | ||||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Installer Exit code: 0 Version: 60.0.2 Modules
| |||||||||||||||
| 4076 | "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2156 CREDAT:6403 | C:\Program Files\Internet Explorer\iexplore.exe | iexplore.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Internet Explorer Exit code: 0 Version: 8.00.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| (PID) Process: | (2932) setup-stub.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla |
| Operation: | write | Name: | FirefoxInstallerTest |
Value: Write Test | |||
| (PID) Process: | (2932) setup-stub.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla |
| Operation: | delete value | Name: | FirefoxInstallerTest |
Value: Write Test | |||
| (PID) Process: | (2932) setup-stub.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\setup-stub_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2932) setup-stub.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\setup-stub_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2932) setup-stub.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\setup-stub_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2932) setup-stub.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\setup-stub_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2932) setup-stub.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\setup-stub_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (2932) setup-stub.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\setup-stub_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (2932) setup-stub.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\setup-stub_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2932) setup-stub.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\setup-stub_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2156 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\favicon[1].ico | — | |
MD5:— | SHA256:— | |||
| 2156 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico | — | |
MD5:— | SHA256:— | |||
| 2276 | Firefox Installer.exe | C:\Users\admin\AppData\Local\Temp\7zS4E815C9F\setup-stub.exe | executable | |
MD5:— | SHA256:— | |||
| 2276 | Firefox Installer.exe | C:\Users\admin\AppData\Local\Temp\7zS4E815C9F\postSigningData | text | |
MD5:— | SHA256:— | |||
| 3244 | setup-stub.exe | C:\Users\admin\AppData\Local\Temp\nsr9746.tmp\UAC.dll | executable | |
MD5:113C5F02686D865BC9E8332350274FD1 | SHA256:0D21041A1B5CD9F9968FC1D457C78A802C9C5A23F375327E833501B65BCD095D | |||
| 2932 | setup-stub.exe | C:\Users\admin\AppData\Local\Temp\nsi9B4D.tmp\bgstub.jpg | image | |
MD5:49DE6374F83191FDE6836418FC489837 | SHA256:04009456682876F46ABFEC45F629F1D85DD518F05A84D8D4700B56F2060FD071 | |||
| 2932 | setup-stub.exe | C:\Users\admin\AppData\Local\Temp\nsi9B4D.tmp\System.dll | executable | |
MD5:17ED1C86BD67E78ADE4712BE48A7D2BD | SHA256:BD046E6497B304E4EA4AB102CAB2B1F94CE09BDE0EEBBA4C59942A732679E4EB | |||
| 4076 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\IEO911AS\installer-help[1].txt | — | |
MD5:— | SHA256:— | |||
| 2932 | setup-stub.exe | C:\Users\admin\AppData\Local\Temp\~DFA8064E57D4647CCA.TMP | — | |
MD5:— | SHA256:— | |||
| 2932 | setup-stub.exe | C:\Users\admin\AppData\Local\Temp\nsi9B4D.tmp\UAC.dll | executable | |
MD5:113C5F02686D865BC9E8332350274FD1 | SHA256:0D21041A1B5CD9F9968FC1D457C78A802C9C5A23F375327E833501B65BCD095D | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2932 | setup-stub.exe | GET | 200 | 52.42.67.12:80 | http://download-stats.mozilla.org/stub/v8/release/release/ru/0/0/6/1/7601/1/0/10/0/0/2097152/44767904/0/0/4/4/0/0/0/0/0/1/1/65.0.2/20190225143501/0/0/1/1/0/3/52.222.152.178//0/0 | US | — | — | whitelisted |
2156 | iexplore.exe | GET | 200 | 204.79.197.200:80 | http://www.bing.com/favicon.ico | US | image | 237 b | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2156 | iexplore.exe | 204.79.197.200:80 | www.bing.com | Microsoft Corporation | US | whitelisted |
2932 | setup-stub.exe | 52.204.171.197:443 | download.mozilla.org | Amazon.com, Inc. | US | unknown |
2932 | setup-stub.exe | 52.42.67.12:80 | download-stats.mozilla.org | Amazon.com, Inc. | US | unknown |
2932 | setup-stub.exe | 52.222.152.178:443 | download-installer.cdn.mozilla.net | Amazon.com, Inc. | US | unknown |
4076 | iexplore.exe | 172.217.18.104:443 | www.googletagmanager.com | Google Inc. | US | suspicious |
4076 | iexplore.exe | 216.58.208.46:443 | www.google-analytics.com | Google Inc. | US | whitelisted |
2932 | setup-stub.exe | 63.245.208.218:443 | product-details.mozilla.org | Mozilla Corporation | US | unknown |
2156 | iexplore.exe | 104.16.40.2:443 | www.mozilla.org | Cloudflare Inc | US | shared |
4076 | iexplore.exe | 104.16.40.2:443 | www.mozilla.org | Cloudflare Inc | US | shared |
4076 | iexplore.exe | 63.245.208.195:443 | mozilla.org | Mozilla Corporation | US | unknown |
Domain | IP | Reputation |
|---|---|---|
product-details.mozilla.org |
| shared |
www.bing.com |
| whitelisted |
download.mozilla.org |
| whitelisted |
download-installer.cdn.mozilla.net |
| whitelisted |
download-stats.mozilla.org |
| whitelisted |
www.mozilla.org |
| whitelisted |
www.googletagmanager.com |
| whitelisted |
mozilla.org |
| whitelisted |
www.google-analytics.com |
| whitelisted |