File name: | Firefox Installer.exe |
Full analysis: | https://app.any.run/tasks/4754fcf6-8c77-4c29-b7f0-29d85c570cdc |
Verdict: | Malicious activity |
Analysis date: | November 29, 2020, 10:50:05 |
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, UPX compressed |
MD5: | C22C2248F41A9034B112FA994C229089 |
SHA1: | 30A7E05AE8B0295A6799DDA5487C05C3E4D3EDA2 |
SHA256: | 8164560A044D6624AE0C273C5E0B779BCEEC3B9C27DC778EA4005B77C341529E |
SSDEEP: | 6144:OaVWdyzOxeA1DfdwX3MmIO5+vlXeFEyQSFooCNHpSWEB5bdSmeUxy2Lpr6Co+BBu:OMROxdDfOnMmX5+vw2yQirC1pb0b4HUw |
.exe | | | UPX compressed Win32 Executable (64.2) |
---|---|---|
.dll | | | Win32 Dynamic Link Library (generic) (15.6) |
.exe | | | Win32 Executable (generic) (10.6) |
.exe | | | Generic Win/DOS Executable (4.7) |
.exe | | | DOS Executable Generic (4.7) |
MachineType: | Intel 386 or later, and compatibles |
---|---|
TimeStamp: | 2018:08:31 00:18:33+02:00 |
PEType: | PE32 |
LinkerVersion: | 6 |
CodeSize: | 69632 |
InitializedDataSize: | 65536 |
UninitializedDataSize: | 147456 |
EntryPoint: | 0x34fa0 |
OSVersion: | 4 |
ImageVersion: | - |
SubsystemVersion: | 4 |
Subsystem: | Windows GUI |
FileVersionNumber: | 18.5.0.0 |
ProductVersionNumber: | 18.5.0.0 |
FileFlagsMask: | 0x003f |
FileFlags: | (none) |
FileOS: | Windows NT 32-bit |
ObjectFileType: | Executable application |
FileSubtype: | - |
LanguageCode: | English (U.S.) |
CharacterSet: | Unicode |
CompanyName: | Mozilla |
FileDescription: | Firefox |
FileVersion: | 18.05 |
InternalName: | 7zS.sfx |
LegalCopyright: | Mozilla |
OriginalFileName: | 7zS.sfx.exe |
ProductName: | Firefox |
ProductVersion: | 18.05 |
Architecture: | IMAGE_FILE_MACHINE_I386 |
---|---|
Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
Compilation Date: | 30-Aug-2018 22:18:33 |
Detected languages: |
|
CompanyName: | Mozilla |
FileDescription: | Firefox |
FileVersion: | 18.05 |
InternalName: | 7zS.sfx |
LegalCopyright: | Mozilla |
OriginalFilename: | 7zS.sfx.exe |
ProductName: | Firefox |
ProductVersion: | 18.05 |
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: | 30-Aug-2018 22:18:33 |
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 | 0x00011000 | 0x00010200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.87799 |
.rsrc | 0x00036000 | 0x00010000 | 0x0000FC00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.52725 |
Title | Entropy | Size | Codepage | Language | Type |
---|---|---|---|---|---|
1 | 5.38843 | 1365 | UNKNOWN | UNKNOWN | RT_MANIFEST |
2 | 5.52861 | 5160 | UNKNOWN | English - United States | RT_ICON |
3 | 5.45625 | 11560 | UNKNOWN | English - United States | RT_ICON |
4 | 7.98617 | 43467 | UNKNOWN | English - United States | RT_ICON |
5 | 6.34937 | 136 | UNKNOWN | English - United States | RT_STRING |
97 | 6.74142 | 184 | UNKNOWN | English - United States | RT_DIALOG |
188 | 6.07381 | 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 |
---|---|---|---|---|
2836 | "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 Version: 18.05 | ||||
3756 | .\setup-stub.exe | C:\Users\admin\AppData\Local\Temp\7zS41BF7EF8\setup-stub.exe | Firefox Installer.exe | |
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Installer Version: 81.0.1 | ||||
3716 | "C:\Users\admin\AppData\Local\Temp\7zS41BF7EF8\setup-stub.exe" /UAC:4012E /NCRC | C:\Users\admin\AppData\Local\Temp\7zS41BF7EF8\setup-stub.exe | setup-stub.exe | |
User: admin Company: Mozilla Corporation Integrity Level: HIGH Description: Firefox Installer Version: 81.0.1 |
PID | Process | Filename | Type | |
---|---|---|---|---|
3716 | setup-stub.exe | C:\Users\admin\AppData\Local\Temp\CabD969.tmp | — | |
MD5:— | SHA256:— | |||
3716 | setup-stub.exe | C:\Users\admin\AppData\Local\Temp\TarD96A.tmp | — | |
MD5:— | SHA256:— | |||
2836 | Firefox Installer.exe | C:\Users\admin\AppData\Local\Temp\7zS41BF7EF8\setup-stub.exe | executable | |
MD5:C3A5078709A35B8B730688BF20BCE092 | SHA256:DBA10F95C26FE4E824519A542C89EC4FFB7A5B462D60B84D1C8D6AE4B4444A53 | |||
3716 | setup-stub.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\1E11E75149C17A93653DA7DC0B8CF53F_0CE58C7814E604EF410B4A46E10F97A5 | binary | |
MD5:2EF99F45D0AEEF6B9AC1103A32B19824 | SHA256:2644F2CD4B39351BF9F484E178DA9640CF1007F46D7E920C9DA42CCD706A93F9 | |||
2836 | Firefox Installer.exe | C:\Users\admin\AppData\Local\Temp\7zS41BF7EF8\postSigningData | text | |
MD5:FACE2AB5E7A7CD2B22EEF1AF52EEB5FC | SHA256:89FAD1E8F3BD1FA3890A9C684F32EF028C6BC1E57F3CC3677804DD5BF519FB06 | |||
3716 | setup-stub.exe | C:\Users\admin\AppData\Local\Temp\nsuD667.tmp\CityHash.dll | executable | |
MD5:737379945745BB94F8A0DADCC18CAD8D | SHA256:D3D7B3D7A7941D66C7F75257BE90B12AC76F787AF42CD58F019CE0280972598A | |||
3716 | setup-stub.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_D975BBA8033175C8D112023D8A7A8AD6 | binary | |
MD5:1FF55F5D5A87B44FB8D0A868B79829B7 | SHA256:4B19F1939CD7F4D4DBF9EF4F056EC370A2D3719605F639940FEDE1C18D743078 | |||
3716 | setup-stub.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_D975BBA8033175C8D112023D8A7A8AD6 | der | |
MD5:F35594720BDB12D02C777B50A40996C7 | SHA256:7C7C3BB58FDF08A0BF4C74CAF57034C7F8DCF3CC4D587E3F90A38B17ECDDB9EB | |||
3716 | setup-stub.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\1E11E75149C17A93653DA7DC0B8CF53F_0CE58C7814E604EF410B4A46E10F97A5 | der | |
MD5:090489EFAFDE588C144D5001A52C9D14 | SHA256:DB925AE148C1B83CFF0845B5EAE793A9FF4FAA734CABD5CA44342ACE76EBF95E | |||
3716 | setup-stub.exe | C:\Users\admin\AppData\Local\Temp\nsuD667.tmp\stub_common.css | text | |
MD5:544B51F11AD19DF720669478D28F129D | SHA256:4D9495B6F0E18331659993B79440E414A6E607FCDAEACBC7477E0683CC0FA98B |
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
---|---|---|---|---|---|---|---|---|---|
3716 | setup-stub.exe | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQQX6Z6gAidtSefNc6DC0OInqPHDQQUD4BhHIIxYdUvKOeNRji0LOHG2eICEAqFR8NrFFUItcKTf94Y2FE%3D | US | der | 471 b | whitelisted |
3716 | setup-stub.exe | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAH9o%2BtuynXIiEOLckvPvJE%3D | US | der | 471 b | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
---|---|---|---|---|---|---|
3716 | setup-stub.exe | 93.184.220.29:80 | ocsp.digicert.com | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
3716 | setup-stub.exe | 143.204.215.113:443 | product-details.mozilla.org | — | US | suspicious |
Domain | IP | Reputation |
---|---|---|
product-details.mozilla.org |
| shared |
ocsp.digicert.com |
| whitelisted |