| File name: | f4ae96ff05a63f6e4e5b8525b12fc65f8b89ac29100dfdbc01e346f32190fb7f.exe |
| Full analysis: | https://app.any.run/tasks/8763d746-74f7-447f-9502-50d85ee9de96 |
| Verdict: | Malicious activity |
| Analysis date: | October 14, 2019, 07:47:36 |
| 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: | A6601052F7E385C6AFB6FD3873B6F398 |
| SHA1: | B46AC083AF450158AC2744F2B7F9BF671BBE7971 |
| SHA256: | F4AE96FF05A63F6E4E5B8525B12FC65F8B89AC29100DFDBC01E346F32190FB7F |
| SSDEEP: | 12288:C4wFHoSLhxY+UBC6TsMX2jZ03gKnVlq9ZA6Zur1qVN196d:4Y+UB5TsjZ035 |
| .exe | | | Win64 Executable (generic) (28.6) |
|---|---|---|
| .exe | | | UPX compressed Win32 Executable (28) |
| .exe | | | Win32 EXE Yoda's Crypter (27.5) |
| .dll | | | Win32 Dynamic Link Library (generic) (6.8) |
| .exe | | | Win32 Executable (generic) (4.6) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2015:01:27 04:56:27+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 45056 |
| InitializedDataSize: | 4096 |
| UninitializedDataSize: | 106496 |
| EntryPoint: | 0x24640 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 27-Jan-2015 03:56:27 |
| 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: | 0x000000D0 |
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 27-Jan-2015 03:56:27 |
| 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 | 0x0001A000 | 0x00000000 | IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
UPX1 | 0x0001B000 | 0x0000B000 | 0x0000A200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.97244 |
UPX2 | 0x00026000 | 0x00001000 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 2.93024 |
KERNEL32.DLL |
MSVCRT.dll |
SHLWAPI.dll |
USER32.dll |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 640 | "C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --reporter-url=https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload --application-name=skype-preview "--crashes-directory=C:\Users\admin\AppData\Local\Temp\skype-preview Crashes" --v=1 | C:\Program Files\Microsoft\Skype for Desktop\Skype.exe | Skype.exe | ||||||||||||
User: admin Company: Skype Technologies S.A. Integrity Level: MEDIUM Description: Skype Exit code: 2 Version: 8.29.0.50 Modules
| |||||||||||||||
| 1484 | "C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" | C:\Program Files\Microsoft\Skype for Desktop\Skype.exe | explorer.exe | ||||||||||||
User: admin Company: Skype Technologies S.A. Integrity Level: MEDIUM Description: Skype Exit code: 0 Version: 8.29.0.50 Modules
| |||||||||||||||
| 1772 | "C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --reporter-url=https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload --application-name=skype-preview "--crashes-directory=C:\Users\admin\AppData\Local\Temp\skype-preview Crashes" --v=1 | C:\Program Files\Microsoft\Skype for Desktop\Skype.exe | Skype.exe | ||||||||||||
User: admin Company: Skype Technologies S.A. Integrity Level: MEDIUM Description: Skype Exit code: 2 Version: 8.29.0.50 Modules
| |||||||||||||||
| 2236 | "C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --reporter-url=https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload --application-name=skype-preview "--crashes-directory=C:\Users\admin\AppData\Local\Temp\skype-preview Crashes" --v=1 | C:\Program Files\Microsoft\Skype for Desktop\Skype.exe | Skype.exe | ||||||||||||
User: admin Company: Skype Technologies S.A. Integrity Level: MEDIUM Description: Skype Exit code: 2 Version: 8.29.0.50 Modules
| |||||||||||||||
| 2748 | "C:\Users\admin\AppData\Local\Temp\f4ae96ff05a63f6e4e5b8525b12fc65f8b89ac29100dfdbc01e346f32190fb7f.exe" | C:\Users\admin\AppData\Local\Temp\f4ae96ff05a63f6e4e5b8525b12fc65f8b89ac29100dfdbc01e346f32190fb7f.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2832 | C:\Windows\system32\reg.exe QUERY HKCU\Software\Microsoft\Skype /v RestartForUpdate | C:\Windows\system32\reg.exe | — | Skype.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Console Tool Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3012 | "C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --type=renderer --ms-disable-indexeddb-transaction-timeout --no-sandbox --service-pipe-token=4CB485E9539590E28048744DCF4E71C3 --lang=en-US --app-user-model-id=Microsoft.Skype.SkypeDesktop --app-path="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar" --node-integration=false --webview-tag=true --no-sandbox --preload="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar\Preload.js" --context-id=1 --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553 --disable-accelerated-video-decode --disable-gpu-compositing --enable-gpu-async-worker-context --service-request-channel-token=4CB485E9539590E28048744DCF4E71C3 --renderer-client-id=4 --mojo-platform-channel-handle=2632 /prefetch:1 | C:\Program Files\Microsoft\Skype for Desktop\Skype.exe | — | Skype.exe | |||||||||||
User: admin Company: Skype Technologies S.A. Integrity Level: MEDIUM Description: Skype Exit code: 0 Version: 8.29.0.50 Modules
| |||||||||||||||
| 3400 | "C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" | C:\Program Files\Microsoft\Skype for Desktop\Skype.exe | explorer.exe | ||||||||||||
User: admin Company: Skype Technologies S.A. Integrity Level: MEDIUM Description: Skype Exit code: 0 Version: 8.29.0.50 Modules
| |||||||||||||||
| 3896 | "C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --type=renderer --ms-disable-indexeddb-transaction-timeout --no-sandbox --service-pipe-token=B59F754E2DAFC10C371ACF97A4E69702 --lang=en-US --app-user-model-id=Microsoft.Skype.SkypeDesktop --app-path="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar" --node-integration=false --webview-tag=true --no-sandbox --preload="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar\Preload.js" --context-id=2 --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553 --disable-accelerated-video-decode --disable-gpu-compositing --enable-gpu-async-worker-context --service-request-channel-token=B59F754E2DAFC10C371ACF97A4E69702 --renderer-client-id=3 --mojo-platform-channel-handle=1540 /prefetch:1 | C:\Program Files\Microsoft\Skype for Desktop\Skype.exe | — | Skype.exe | |||||||||||
User: admin Company: Skype Technologies S.A. Integrity Level: MEDIUM Description: Skype Exit code: 0 Version: 8.29.0.50 Modules
| |||||||||||||||
| 3904 | C:\Windows\system32\reg.exe ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Skype for Desktop" /t REG_SZ /d "C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" /f | C:\Windows\system32\reg.exe | Skype.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Console Tool Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| (PID) Process: | (3904) reg.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Skype for Desktop |
Value: C:\Program Files\Microsoft\Skype for Desktop\Skype.exe | |||
| (PID) Process: | (3400) Skype.exe | Key: | HKEY_CLASSES_ROOT\skype |
| Operation: | write | Name: | URL Protocol |
Value: | |||
| (PID) Process: | (3400) Skype.exe | Key: | HKEY_CLASSES_ROOT\skype |
| Operation: | write | Name: | |
Value: URL:skype | |||
| (PID) Process: | (3400) Skype.exe | Key: | HKEY_CLASSES_ROOT\skype\shell\open\command |
| Operation: | write | Name: | |
Value: "C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" -- "%1" | |||
| (PID) Process: | (3400) Skype.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (3400) Skype.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\p2pcollab.dll,-8042 |
Value: Peer to Peer Trust | |||
| (PID) Process: | (3400) Skype.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\qagentrt.dll,-10 |
Value: System Health Authentication | |||
| (PID) Process: | (3400) Skype.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dnsapi.dll,-103 |
Value: Domain Name System (DNS) Server Trust | |||
| (PID) Process: | (3400) Skype.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\System32\fveui.dll,-843 |
Value: BitLocker Drive Encryption | |||
| (PID) Process: | (3400) Skype.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\System32\fveui.dll,-844 |
Value: BitLocker Data Recovery Agent | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3400 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\49V5JOKHVKPI6T7WYTI1.temp | — | |
MD5:— | SHA256:— | |||
| 3896 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\skylib\slimcore-0-1520891853.blog | — | |
MD5:— | SHA256:— | |||
| 3012 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\skylib\slimcore-1-1520891853.blog | binary | |
MD5:— | SHA256:— | |||
| 3400 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\IndexedDB\file__0.indexeddb.leveldb\LOG.old | text | |
MD5:0D8DB3D43BCB9F490169188E803314DE | SHA256:1A5CBD55803117484FA35A69D5535F9B6D9FB7D3272A585084C9F4B2FA3C4AC3 | |||
| 3400 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\settings.json | text | |
MD5:FCB20E92C05828ACADD1AC43E9979E30 | SHA256:6C6A926CD18F9952AF42CBCE920BA705AB64D65AD88CA6D039BC20C7F6C7530E | |||
| 3400 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\Local Storage\leveldb\LOG.old~RF3a0eab.TMP | text | |
MD5:7F39B22308B34B4138A09991EC4D41C5 | SHA256:31C4D714AFBFAB8D23AE08F061F6A5F1E46A26B0AB20795EAC7D2134A55CCEB6 | |||
| 2236 | Skype.exe | C:\Users\admin\AppData\Local\Temp\skype-preview Crashes\operation_log.txt | text | |
MD5:— | SHA256:— | |||
| 3400 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\Cache\f_000005 | compressed | |
MD5:— | SHA256:— | |||
| 3400 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\IndexedDB\file__0.indexeddb.leveldb\LOG.old~RF3a1860.TMP | text | |
MD5:0D8DB3D43BCB9F490169188E803314DE | SHA256:1A5CBD55803117484FA35A69D5535F9B6D9FB7D3272A585084C9F4B2FA3C4AC3 | |||
| 3400 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\IndexedDB\file__0.indexeddb.leveldb\LOG | text | |
MD5:— | SHA256:— | |||
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
1484 | Skype.exe | 13.90.95.57:443 | get.skype.com | Microsoft Corporation | US | whitelisted |
3400 | Skype.exe | 13.68.117.223:443 | avatar.skype.com | Microsoft Corporation | US | whitelisted |
3400 | Skype.exe | 152.199.19.160:443 | bot-framework.azureedge.net | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
3400 | Skype.exe | 52.114.76.35:443 | browser.pipe.aria.microsoft.com | Microsoft Corporation | IE | whitelisted |
3400 | Skype.exe | 13.90.95.57:443 | get.skype.com | Microsoft Corporation | US | whitelisted |
3400 | Skype.exe | 52.114.158.52:443 | pipe.skype.com | Microsoft Corporation | US | unknown |
3400 | Skype.exe | 172.217.23.138:443 | www.googleapis.com | Google Inc. | US | whitelisted |
3400 | Skype.exe | 13.107.3.128:443 | a.config.skype.com | Microsoft Corporation | US | whitelisted |
3400 | Skype.exe | 2.18.233.81:443 | download.skype.com | Akamai International B.V. | — | whitelisted |
Domain | IP | Reputation |
|---|---|---|
get.skype.com |
| whitelisted |
a.config.skype.com |
| whitelisted |
pipe.skype.com |
| whitelisted |
download.skype.com |
| whitelisted |
www.googleapis.com |
| whitelisted |
avatar.skype.com |
| whitelisted |
bot-framework.azureedge.net |
| whitelisted |
config.edge.skype.com |
| malicious |
b.config.skype.com |
| whitelisted |
browser.pipe.aria.microsoft.com |
| whitelisted |
Process | Message |
|---|---|
Skype.exe | [3984:3952:1014/084816.513:VERBOSE1:crash_service_main.cc(78)] Session start. cmdline is [--reporter-url=https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload --application-name=skype-preview "--crashes-directory=C:\Users\admin\AppData\Local\Temp\skype-preview Crashes" --v=1]
|
Skype.exe | [3984:3952:1014/084816.513:VERBOSE1:crash_service.cc(145)] window handle is 00050124
|
Skype.exe | [3984:3952:1014/084816.513:VERBOSE1:crash_service.cc(300)] pipe name is \\.\pipe\skype-preview Crash Service
dumps at C:\Users\admin\AppData\Local\Temp\skype-preview Crashes
|
Skype.exe | [3984:3952:1014/084816.513:VERBOSE1:crash_service.cc(304)] checkpoint is C:\Users\admin\AppData\Local\Temp\skype-preview Crashes\crash_checkpoint.txt
server is https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload
maximum 128 reports/day
reporter is electron-crash-service
|
Skype.exe | [3984:3952:1014/084816.513:VERBOSE1:crash_service_main.cc(94)] Ready to process crash requests
|
Skype.exe | [3984:1848:1014/084816.513:VERBOSE1:crash_service.cc(333)] client start. pid = 3400
|
Skype.exe | [3984:1848:1014/084816.748:VERBOSE1:crash_service.cc(333)] client start. pid = 1484
|
Skype.exe | [1772:1792:1014/084817.263:VERBOSE1:crash_service_main.cc(78)] Session start. cmdline is [--reporter-url=https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload --application-name=skype-preview "--crashes-directory=C:\Users\admin\AppData\Local\Temp\skype-preview Crashes" --v=1]
|
Skype.exe | [1772:1792:1014/084817.263:VERBOSE1:crash_service.cc(145)] window handle is 00030128
|
Skype.exe | [1772:1792:1014/084817.263:VERBOSE1:crash_service.cc(300)] pipe name is \\.\pipe\skype-preview Crash Service
dumps at C:\Users\admin\AppData\Local\Temp\skype-preview Crashes
|