| File name: | csrss.exe |
| Full analysis: | https://app.any.run/tasks/e4cc5429-9c48-4943-b347-709b6fe89d10 |
| Verdict: | Malicious activity |
| Threats: | Quasar is a very popular RAT in the world thanks to its code being available in open-source. This malware can be used to control the victim’s computer remotely. |
| Analysis date: | December 09, 2018, 21:54:46 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 1702EC9EE5F0B96169FEAA299D116B0C |
| SHA1: | 2E16C0C4DB50EC7E781AC0F0CF3F7FBA8C8D49A4 |
| SHA256: | 27C8E82152F2E6FB820A43D00A1DB17B04BD9210CC35D2157F6A80D38B061BCA |
| SSDEEP: | 12288:lrg1oKbWdecWhjzEbcrPIcd+h7vVmgCxksjrdrZ116EStU4iO/htDNNbBujZtXQ:By/O7Wa8PF0nEXj116XtiO5tnbBOQ |
| .exe | | | Win32 Executable Delphi generic (37.4) |
|---|---|---|
| .scr | | | Windows screen saver (34.5) |
| .exe | | | Win32 Executable (generic) (11.9) |
| .exe | | | Win16/32 Executable Delphi generic (5.4) |
| .exe | | | Generic Win/DOS Executable (5.2) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 1992:04:08 17:43:39+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 499712 |
| InitializedDataSize: | 622592 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x7af84 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 08-Apr-1992 15:43:39 |
| Detected languages: |
|
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0050 |
| Pages in file: | 0x0002 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x000F |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x001A |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x00000100 |
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 8 |
| Time date stamp: | 08-Apr-1992 15:43:39 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
CODE | 0x00001000 | 0x00079FCC | 0x0007A000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.54919 |
DATA | 0x0007B000 | 0x0000F2EC | 0x0000F400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.39797 |
BSS | 0x0008B000 | 0x00000EED | 0x00000000 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.idata | 0x0008C000 | 0x00002544 | 0x00002600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.9886 |
.tls | 0x0008F000 | 0x00000010 | 0x00000000 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rdata | 0x00090000 | 0x00000018 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 0.191963 |
.reloc | 0x00091000 | 0x00009780 | 0x00009800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 6.64943 |
.rsrc | 0x0009B000 | 0x0007CA8C | 0x0007CC00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 7.15465 |
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 2.6633 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
2 | 2.80231 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
3 | 3.00046 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
4 | 2.56318 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
5 | 2.6949 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
6 | 2.62527 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
7 | 2.91604 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
1000 | 5.11605 | 163 | Latin 1 / Western European | English - United States | RT_STRING |
1091 | 7.35273 | 5899 | Latin 1 / Western European | English - United States | RT_BITMAP |
1092 | 7.49201 | 5899 | Latin 1 / Western European | English - United States | RT_BITMAP |
advapi32.dll |
comctl32.dll |
comdlg32.dll |
gdi32.dll |
kernel32.dll |
ole32.dll |
oleaut32.dll |
user32.dll |
version.dll |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2148 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=920,242606157672125368,8062065844879851193,131072 --enable-features=PasswordImport --disable-gpu-sandbox --gpu-preferences=KAAAAAAAAACAAwBAAQAAAAAAAAAAAGAAEAAAAAAAAAAAAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAKAAAAEAAAAAAAAAAAAAAACwAAABAAAAAAAAAAAQAAAAoAAAAQAAAAAAAAAAEAAAALAAAA --service-request-channel-token=5BB4F8B35BA723A5AC60DE96C7312F37 --mojo-platform-channel-handle=4152 /prefetch:2 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google Inc. Integrity Level: MEDIUM Description: Google Chrome Exit code: 0 Version: 68.0.3440.106 Modules
| |||||||||||||||
| 2220 | "C:\Program Files\Google\Chrome\Application\chrome.exe" | C:\Program Files\Google\Chrome\Application\chrome.exe | explorer.exe | ||||||||||||
User: admin Company: Google Inc. Integrity Level: MEDIUM Description: Google Chrome Exit code: 0 Version: 68.0.3440.106 Modules
| |||||||||||||||
| 2276 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=watcher --main-thread-id=2228 --on-initialized-event-handle=304 --parent-handle=308 /prefetch:6 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google Inc. Integrity Level: MEDIUM Description: Google Chrome Exit code: 0 Version: 68.0.3440.106 Modules
| |||||||||||||||
| 2592 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=920,242606157672125368,8062065844879851193,131072 --enable-features=PasswordImport --service-pipe-token=CC2329E4C92A1FA56C8A4049D2B2E469 --lang=en-US --extension-process --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=CC2329E4C92A1FA56C8A4049D2B2E469 --renderer-client-id=3 --mojo-platform-channel-handle=2164 /prefetch:1 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google Inc. Integrity Level: LOW Description: Google Chrome Exit code: 0 Version: 68.0.3440.106 Modules
| |||||||||||||||
| 2764 | "C:\Users\admin\AppData\Local\Temp\csrss.exe" | C:\Users\admin\AppData\Local\Temp\csrss.exe | csrss.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2872 | "C:\Users\admin\AppData\Local\Temp\csrss.exe" | C:\Users\admin\AppData\Local\Temp\csrss.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2988 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=920,242606157672125368,8062065844879851193,131072 --enable-features=PasswordImport --disable-gpu-compositing --service-pipe-token=2A33476CF713C52B235447791A714CFB --lang=en-US --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=2A33476CF713C52B235447791A714CFB --renderer-client-id=6 --mojo-platform-channel-handle=2756 /prefetch:1 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google Inc. Integrity Level: LOW Description: Google Chrome Exit code: 0 Version: 68.0.3440.106 Modules
| |||||||||||||||
| 3068 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win32 --annotation=prod=Chrome --annotation=ver=68.0.3440.106 --initial-client-data=0x78,0x7c,0x80,0x74,0x84,0x6f5700b0,0x6f5700c0,0x6f5700cc | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google Inc. Integrity Level: MEDIUM Description: Google Chrome Exit code: 0 Version: 68.0.3440.106 Modules
| |||||||||||||||
| 3428 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=920,242606157672125368,8062065844879851193,131072 --enable-features=PasswordImport --gpu-preferences=KAAAAAAAAACAAwBAAQAAAAAAAAAAAGAAEAAAAAAAAAAAAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAKAAAAEAAAAAAAAAAAAAAACwAAABAAAAAAAAAAAQAAAAoAAAAQAAAAAAAAAAEAAAALAAAA --service-request-channel-token=D24AAD625AB16B6FA0E38663173B429A --mojo-platform-channel-handle=1004 --ignored=" --type=renderer " /prefetch:2 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google Inc. Integrity Level: LOW Description: Google Chrome Exit code: 0 Version: 68.0.3440.106 Modules
| |||||||||||||||
| 3980 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=920,242606157672125368,8062065844879851193,131072 --enable-features=PasswordImport --service-pipe-token=1919EEA7E38B3E7BBD6502F4015ABB7A --lang=en-US --instant-process --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=1919EEA7E38B3E7BBD6502F4015ABB7A --renderer-client-id=5 --mojo-platform-channel-handle=1912 /prefetch:1 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google Inc. Integrity Level: LOW Description: Google Chrome Exit code: 0 Version: 68.0.3440.106 Modules
| |||||||||||||||
| (PID) Process: | (2220) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon |
| Operation: | write | Name: | failed_count |
Value: 0 | |||
| (PID) Process: | (2220) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon |
| Operation: | write | Name: | state |
Value: 2 | |||
| (PID) Process: | (2220) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon |
| Operation: | write | Name: | state |
Value: 1 | |||
| (PID) Process: | (2276) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes |
| Operation: | write | Name: | 2220-13188866124354500 |
Value: 259 | |||
| (PID) Process: | (2220) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Update\ClientState\{8A69D345-D564-463c-AFF1-A69D9E530F96} |
| Operation: | write | Name: | dr |
Value: 1 | |||
| (PID) Process: | (2220) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Chrome |
| Operation: | write | Name: | UsageStatsInSample |
Value: 0 | |||
| (PID) Process: | (2220) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes |
| Operation: | delete value | Name: | 3516-13180984670829101 |
Value: 0 | |||
| (PID) Process: | (2220) chrome.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Google\Update\ClientStateMedium\{8A69D345-D564-463C-AFF1-A69D9E530F96} |
| Operation: | write | Name: | usagestats |
Value: 0 | |||
| (PID) Process: | (2220) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes |
| Operation: | delete value | Name: | 2220-13188866124354500 |
Value: 259 | |||
| (PID) Process: | (2220) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Update\ClientState\{8A69D345-D564-463c-AFF1-A69D9E530F96} |
| Operation: | write | Name: | metricsid |
Value: | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2220 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\a6f9f68f-17f7-4777-9a3b-14e4cfe7a823.tmp | — | |
MD5:— | SHA256:— | |||
| 2220 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Download Service\EntryDB\000016.dbtmp | — | |
MD5:— | SHA256:— | |||
| 2220 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\000016.dbtmp | — | |
MD5:— | SHA256:— | |||
| 2220 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\5db7bc0d-fc1c-4241-ad85-1dd2b6659022.tmp | — | |
MD5:— | SHA256:— | |||
| 2220 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\LOG.old | text | |
MD5:— | SHA256:— | |||
| 2220 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\CacheStorage\e6622492fa163609ddd4212f54512baa07929ed3\caecb3bd-7969-4305-84d6-3a376453ec73\index-dir\temp-index | — | |
MD5:— | SHA256:— | |||
| 2220 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Last Version | text | |
MD5:— | SHA256:— | |||
| 2220 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\Database\LOG.old | text | |
MD5:— | SHA256:— | |||
| 2220 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\Database\LOG.old~RF19c692.TMP | text | |
MD5:— | SHA256:— | |||
| 2220 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\LOG.old~RF19c663.TMP | text | |
MD5:— | SHA256:— | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2764 | csrss.exe | GET | 200 | 185.194.141.58:80 | http://ip-api.com/json/ | DE | text | 298 b | malicious |
2220 | chrome.exe | GET | — | 185.61.137.36:80 | http://penguware.xyz/bg.mp4 | NL | — | — | suspicious |
2220 | chrome.exe | GET | 200 | 185.61.137.36:80 | http://penguware.xyz/assets/star-animation.css | NL | text | 9.53 Kb | suspicious |
2220 | chrome.exe | GET | 200 | 185.61.137.36:80 | http://penguware.xyz/img/aa.png | NL | image | 14.5 Kb | suspicious |
2220 | chrome.exe | GET | 200 | 185.61.137.36:80 | http://penguware.xyz/ | NL | html | 5.79 Kb | suspicious |
2220 | chrome.exe | GET | 200 | 185.61.137.36:80 | http://penguware.xyz/img/rage.png | NL | image | 16.2 Kb | suspicious |
2220 | chrome.exe | GET | 200 | 185.61.137.36:80 | http://penguware.xyz/img/colors.png | NL | image | 15.3 Kb | suspicious |
2220 | chrome.exe | GET | 200 | 185.61.137.36:80 | http://penguware.xyz/img/visuals.png | NL | image | 13.6 Kb | suspicious |
2220 | chrome.exe | GET | 200 | 185.61.137.36:80 | http://penguware.xyz/img/legit.png | NL | image | 11.2 Kb | suspicious |
2220 | chrome.exe | GET | 200 | 185.61.137.36:80 | http://penguware.xyz/img/misc.png | NL | image | 13.9 Kb | suspicious |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2764 | csrss.exe | 185.194.141.58:80 | ip-api.com | netcup GmbH | DE | unknown |
2220 | chrome.exe | 185.61.137.36:80 | penguware.xyz | Dotsi, Unipessoal Lda. | NL | malicious |
2220 | chrome.exe | 172.217.168.10:443 | ajax.googleapis.com | Google Inc. | US | whitelisted |
2220 | chrome.exe | 209.197.3.15:443 | maxcdn.bootstrapcdn.com | Highwinds Network Group, Inc. | US | whitelisted |
2220 | chrome.exe | 23.111.9.35:443 | use.fontawesome.com | netDNA | US | suspicious |
2220 | chrome.exe | 74.125.133.94:443 | fonts.gstatic.com | Google Inc. | US | whitelisted |
2220 | chrome.exe | 147.75.81.98:443 | static.hotjar.com | Packet Host, Inc. | US | unknown |
2220 | chrome.exe | 147.75.80.178:443 | static.hotjar.com | Packet Host, Inc. | US | unknown |
2220 | chrome.exe | 172.217.17.132:443 | www.google.com | Google Inc. | US | whitelisted |
2220 | chrome.exe | 147.75.83.82:443 | static.hotjar.com | Packet Host, Inc. | US | unknown |
Domain | IP | Reputation |
|---|---|---|
clientservices.googleapis.com |
| whitelisted |
www.gstatic.com |
| whitelisted |
www.google.de |
| whitelisted |
safebrowsing.googleapis.com |
| whitelisted |
accounts.google.com |
| shared |
ssl.gstatic.com |
| whitelisted |
www.google.com |
| malicious |
ip-api.com |
| malicious |
penguware.xyz |
| suspicious |
fonts.googleapis.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
2764 | csrss.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup ip-api.com |
2764 | csrss.exe | A Network Trojan was detected | MALWARE [PTsecurity] Quasar 1.3 RAT IP Lookup ip-api.com (HTTP headeer) |