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Analysis Report http://review-linkedin-document.com/proposal.pdf

Overview

General Information

Joe Sandbox Version:28.0.0 Lapis Lazuli
Analysis ID:220407
Start date:06.04.2020
Start time:09:33:29
Joe Sandbox Product:CloudBasic
Overall analysis duration:0h 4m 12s
Hypervisor based Inspection enabled:false
Report type:full
Cookbook file name:urldownload.jbs
Sample URL:http://review-linkedin-document.com/proposal.pdf
Analysis system description:Windows 10 64 bit (version 1803) with Office 2016, Adobe Reader DC 19, Chrome 70, Firefox 63, Java 8.171, Flash 30.0.0.113
Number of analysed new started processes analysed:17
Number of new started drivers analysed:0
Number of existing processes analysed:0
Number of existing drivers analysed:0
Number of injected processes analysed:0
Technologies:
  • HCA enabled
  • EGA enabled
  • HDC enabled
  • AMSI enabled
Analysis stop reason:Timeout
Detection:MAL
Classification:mal52.win@21/8@1/1
EGA Information:Failed
HDC Information:Failed
HCA Information:
  • Successful, ratio: 100%
  • Number of executed functions: 0
  • Number of non-executed functions: 2
Cookbook Comments:
  • Adjust boot time
  • Enable AMSI
Warnings:
Show All
  • Exclude process from analysis (whitelisted): dllhost.exe, MusNotifyIcon.exe, UsoClient.exe
  • Excluded IPs from analysis (whitelisted): 23.210.248.251, 2.20.142.254, 2.20.143.130, 205.185.216.10, 205.185.216.42, 8.248.119.254, 67.27.159.126, 67.26.75.254, 8.253.204.249, 8.248.147.254, 67.27.158.126, 8.253.204.121, 8.248.133.254, 8.253.207.120, 8.241.121.126, 67.26.137.254, 8.253.207.121, 67.26.73.254, 2.18.68.82, 51.104.136.2, 40.127.240.158, 93.184.221.240
  • Excluded domains from analysis (whitelisted): fs.microsoft.com, e4578.dscb.akamaiedge.net, acroipm2.adobe.com.edgesuite.net, wu.ec.azureedge.net, ctldl.windowsupdate.com, e1723.g.akamaiedge.net, settings-win.data.microsoft.com, cds.d2s7q6s2.hwcdn.net, fs-wildcard.microsoft.com.edgekey.net, fs-wildcard.microsoft.com.edgekey.net.globalredir.akadns.net, acroipm2.adobe.com, wu.azureedge.net, settingsfd-geo.trafficmanager.net, ssl.adobe.com.edgekey.net, armmf.adobe.com, a122.dscd.akamai.net, audownload.windowsupdate.nsatc.net, au.download.windowsupdate.com.hwcdn.net, cs11.wpc.v0cdn.net, hlb.apr-52dd2-0.edgecastdns.net, auto.au.download.windowsupdate.com.c.footprint.net, prod.fs.microsoft.com.akadns.net, wu.wpc.apr-52dd2.edgecastdns.net
  • Execution Graph export aborted for target wget.exe, PID 4376 because there are no executed function
  • Report size exceeded maximum capacity and may have missing behavior information.
  • Report size getting too big, too many NtQueryValueKey calls found.

Detection

StrategyScoreRangeReportingWhitelistedDetection
Threshold520 - 100falsemalicious

Confidence

StrategyScoreRangeFurther Analysis Required?Confidence
Threshold50 - 5false
ConfidenceConfidence


Classification Spiderchart

Analysis Advice

Uses HTTPS for network communication, use the 'Proxy HTTPS (port 443) to read its encrypted data' cookbook for further analysis



Mitre Att&ck Matrix

Initial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionExfiltrationCommand and ControlNetwork EffectsRemote Service EffectsImpact
Spearphishing Link1Graphical User Interface1Winlogon Helper DLLProcess Injection11Masquerading1Credential DumpingSecurity Software Discovery1Remote File Copy1Data from Local SystemData Encrypted1Standard Cryptographic Protocol12Eavesdrop on Insecure Network CommunicationRemotely Track Device Without AuthorizationModify System Partition
Replication Through Removable MediaService ExecutionPort MonitorsAccessibility FeaturesProcess Injection11Network SniffingRemote System Discovery1Remote ServicesData from Removable MediaExfiltration Over Other Network MediumRemote File Copy1Exploit SS7 to Redirect Phone Calls/SMSRemotely Wipe Data Without AuthorizationDevice Lockout
External Remote ServicesWindows Management InstrumentationAccessibility FeaturesPath InterceptionObfuscated Files or Information1Input CaptureFile and Directory Discovery1Windows Remote ManagementData from Network Shared DriveAutomated ExfiltrationStandard Non-Application Layer Protocol2Exploit SS7 to Track Device LocationObtain Device Cloud BackupsDelete Device Data
Drive-by CompromiseScheduled TaskSystem FirmwareDLL Search Order HijackingObfuscated Files or InformationCredentials in FilesSystem Information Discovery12Logon ScriptsInput CaptureData EncryptedStandard Application Layer Protocol3SIM Card SwapPremium SMS Toll Fraud

Signature Overview

Click to jump to signature section


AV Detection:

barindex
Antivirus detection for URL or domainShow sources
Source: https://singapore-square-33681.pancakeapps.com/)Avira URL Cloud: Label: phishing
Machine Learning detection for dropped fileShow sources
Source: C:\Users\user\Desktop\download\proposal.pdfJoe Sandbox ML: detected

Networking:

barindex
Downloads files from webservers via HTTPShow sources
Source: global trafficHTTP traffic detected: GET /proposal.pdf HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; AS; rv:11.0) like GeckoAccept: */*Accept-Encoding: identityHost: review-linkedin-document.comConnection: Keep-Alive
Performs DNS lookupsShow sources
Source: unknownDNS traffic detected: queries for: review-linkedin-document.com
Urls found in memory or binary dataShow sources
Source: wget.exe, 00000002.00000003.1023589056.0000000002B78000.00000004.00000001.sdmpString found in binary or memory: http://apps.identrust.com/roots/dstrootcax3.p7c
Source: wget.exe, 00000002.00000003.1023589056.0000000002B78000.00000004.00000001.sdmpString found in binary or memory: http://apps.identrust.com/roots/dstrootcax3.p7c0
Source: wget.exe, 00000002.00000003.1023609361.0000000002B35000.00000004.00000001.sdmpString found in binary or memory: http://cert.int-x3.letsencrypt.org/
Source: wget.exe, 00000002.00000003.1023589056.0000000002B78000.00000004.00000001.sdmpString found in binary or memory: http://cert.int-x3.letsencrypt.org/0o
Source: wget.exe, 00000002.00000003.1023589056.0000000002B78000.00000004.00000001.sdmpString found in binary or memory: http://cps.letsencrypt.org
Source: wget.exe, 00000002.00000003.1023589056.0000000002B78000.00000004.00000001.sdmpString found in binary or memory: http://cps.letsencrypt.org0
Source: wget.exe, 00000002.00000003.1023589056.0000000002B78000.00000004.00000001.sdmpString found in binary or memory: http://cps.root-x1.letsencrypt.org
Source: wget.exe, 00000002.00000003.1023589056.0000000002B78000.00000004.00000001.sdmpString found in binary or memory: http://cps.root-x1.letsencrypt.org0
Source: wget.exe, 00000002.00000003.1023609361.0000000002B35000.00000004.00000001.sdmpString found in binary or memory: http://crl.globalsign.net/root-r2.crl
Source: wget.exe, 00000002.00000002.1024385690.0000000000CE8000.00000004.00000020.sdmpString found in binary or memory: http://crl.globalsign.net/root-r2.crl0
Source: wget.exe, 00000002.00000003.1023609361.0000000002B35000.00000004.00000001.sdmpString found in binary or memory: http://crl.identrust.com/DSTROOTCAX3CRL.crl
Source: wget.exe, 00000002.00000003.1023589056.0000000002B78000.00000004.00000001.sdmpString found in binary or memory: http://crl.identrust.com/DSTROOTCAX3CRL.crl0
Source: wget.exe, 00000002.00000002.1024385690.0000000000CE8000.00000004.00000020.sdmpString found in binary or memory: http://crl.use
Source: wget.exe, 00000002.00000003.1023589056.0000000002B78000.00000004.00000001.sdmpString found in binary or memory: http://isrg.trustid.ocsp.identrust.com0;
Source: wget.exe, 00000002.00000003.1023609361.0000000002B35000.00000004.00000001.sdmpString found in binary or memory: http://ocsp.int-x3.letsencrypt.org0/
Source: wget.exe, 00000002.00000002.1024370295.0000000000CE0000.00000004.00000020.sdmp, cmdline.out.2.drString found in binary or memory: http://review-linkedin-document.com/proposal.pdf
Source: cmdline.out.2.drString found in binary or memory: https://review-linkedin-document.com/proposal.pdf
Source: wget.exe, 00000002.00000003.1023609361.0000000002B35000.00000004.00000001.sdmpString found in binary or memory: https://review-linkedin-document.com/proposal.pdfZ5
Source: wget.exe, 00000002.00000002.1025848987.0000000002B70000.00000004.00000001.sdmp, proposal.pdf.2.drString found in binary or memory: https://singapore-square-33681.pancakeapps.com/)
Uses HTTPSShow sources
Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 49931
Source: unknownNetwork traffic detected: HTTP traffic on port 49931 -> 443

System Summary:

barindex
Detected potential crypto functionShow sources
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00CEFAE92_2_00CEFAE9
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00D00D6E2_2_00D00D6E
Classification labelShow sources
Source: classification engineClassification label: mal52.win@21/8@1/1
Clickable URLs found in PDFShow sources
Source: proposal.pdf.2.drInitial sample: https://singapore-square-33681.pancakeapps.com/
Creates files inside the user directoryShow sources
Source: C:\Windows\SysWOW64\cmd.exeFile created: C:\Users\user\Desktop\cmdline.outJump to behavior
Creates mutexesShow sources
Source: C:\Windows\System32\conhost.exeMutant created: \Sessions\1\BaseNamedObjects\Local\SM0:1692:120:WilError_01
Creates temporary filesShow sources
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exeFile created: C:\Users\user\AppData\Local\Temp\acrord32_sbx\A9R1pbu2rl_1ybwtz8_3dg.tmpJump to behavior
Reads ini filesShow sources
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exeFile read: C:\Users\desktop.iniJump to behavior
Reads software policiesShow sources
Source: C:\Windows\SysWOW64\wget.exeKey opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiersJump to behavior
Reads the hosts fileShow sources
Source: C:\Windows\SysWOW64\wget.exeFile read: C:\Windows\System32\drivers\etc\hostsJump to behavior
Source: C:\Windows\SysWOW64\wget.exeFile read: C:\Windows\System32\drivers\etc\hostsJump to behavior
SQL strings found in memory and binary dataShow sources
Source: ReaderMessages-journal.5.drBinary or memory string: CREATE TABLE GlobalState (LastSuccessfulSync DATE, HTTPModifiedDate DATE, FileLastModifiedDate DATE, TestPopulation VARCHAR(30), TestSegment VARCHAR(30), ProductName VARCHAR(30), ProductMajorVersion INTEGER, ProductMinorVersion INTEGER, LicenseState VARCHAR(15), Language VARCHAR(15), OEM VARCHAR(15), Channel VARCHAR(15) )4v;
Spawns processesShow sources
Source: unknownProcess created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c wget -t 2 -v -T 60 -P 'C:\Users\user\Desktop\download' --no-check-certificate --content-disposition --user-agent='Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; AS; rv:11.0) like Gecko' 'http://review-linkedin-document.com/proposal.pdf' > cmdline.out 2>&1
Source: unknownProcess created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: unknownProcess created: C:\Windows\SysWOW64\wget.exe wget -t 2 -v -T 60 -P 'C:\Users\user\Desktop\download' --no-check-certificate --content-disposition --user-agent='Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; AS; rv:11.0) like Gecko' 'http://review-linkedin-document.com/proposal.pdf'
Source: unknownProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe' 'C:\Users\user\Desktop\download\proposal.pdf'
Source: unknownProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe' --type=renderer /prefetch:1 'C:\Users\user\Desktop\download\proposal.pdf'
Source: unknownProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --backgroundcolor=16514043
Source: unknownProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=gpu-process --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x8086 --gpu-device-id=0xbeef --gpu-driver-vendor='Google Inc.' --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --service-request-channel-token=D1FCFF897752DF28C160A0DDC5670F3F --mojo-platform-channel-handle=1584 --allow-no-sandbox-job --ignored=' --type=renderer ' /prefetch:2
Source: unknownProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=5D3B2B049E9168B5D0830494487CF98E --lang=en-US --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --enable-gpu-async-worker-context --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;0,18,3553;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;1,18,3553;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;2,18,3553;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;3,18,3553;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;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=5D3B2B049E9168B5D0830494487CF98E --renderer-client-id=2 --mojo-platform-channel-handle=1600 --allow-no-sandbox-job /prefetch:1
Source: unknownProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=C45E1D0F423B6D275BAAC7B46627741E --lang=en-US --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --enable-gpu-async-worker-context --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;0,18,3553;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;1,18,3553;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;2,18,3553;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;3,18,3553;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;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=C45E1D0F423B6D275BAAC7B46627741E --renderer-client-id=4 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job /prefetch:1
Source: unknownProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=gpu-process --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x8086 --gpu-device-id=0xbeef --gpu-driver-vendor='Google Inc.' --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --service-request-channel-token=2146A7332869B2DE3A12947A0886C1A1 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=' --type=renderer ' /prefetch:2
Source: unknownProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=gpu-process --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x8086 --gpu-device-id=0xbeef --gpu-driver-vendor='Google Inc.' --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --service-request-channel-token=13B901D769A67A8E6706B7C62FF5793E --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=' --type=renderer ' /prefetch:2
Source: unknownProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=gpu-process --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x8086 --gpu-device-id=0xbeef --gpu-driver-vendor='Google Inc.' --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --service-request-channel-token=7725FBB9166B4C851A79910A92BCB155 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=' --type=renderer ' /prefetch:2
Source: C:\Windows\SysWOW64\cmd.exeProcess created: C:\Windows\SysWOW64\wget.exe wget -t 2 -v -T 60 -P 'C:\Users\user\Desktop\download' --no-check-certificate --content-disposition --user-agent='Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; AS; rv:11.0) like Gecko' 'http://review-linkedin-document.com/proposal.pdf' Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exeProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe' --type=renderer /prefetch:1 'C:\Users\user\Desktop\download\proposal.pdf'Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exeProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --backgroundcolor=16514043Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=gpu-process --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x8086 --gpu-device-id=0xbeef --gpu-driver-vendor='Google Inc.' --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --service-request-channel-token=D1FCFF897752DF28C160A0DDC5670F3F --mojo-platform-channel-handle=1584 --allow-no-sandbox-job --ignored=' --type=renderer ' /prefetch:2Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=5D3B2B049E9168B5D0830494487CF98E --lang=en-US --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --enable-gpu-async-worker-context --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;0,18,3553;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;1,18,3553;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;2,18,3553;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;3,18,3553;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;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=5D3B2B049E9168B5D0830494487CF98E --renderer-client-id=2 --mojo-platform-channel-handle=1600 --allow-no-sandbox-job /prefetch:1Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=C45E1D0F423B6D275BAAC7B46627741E --lang=en-US --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --enable-gpu-async-worker-context --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;0,18,3553;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;1,18,3553;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;2,18,3553;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;3,18,3553;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;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=C45E1D0F423B6D275BAAC7B46627741E --renderer-client-id=4 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job /prefetch:1Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=gpu-process --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x8086 --gpu-device-id=0xbeef --gpu-driver-vendor='Google Inc.' --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --service-request-channel-token=2146A7332869B2DE3A12947A0886C1A1 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=' --type=renderer ' /prefetch:2Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=gpu-process --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x8086 --gpu-device-id=0xbeef --gpu-driver-vendor='Google Inc.' --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --service-request-channel-token=13B901D769A67A8E6706B7C62FF5793E --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=' --type=renderer ' /prefetch:2Jump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeProcess created: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe' --type=gpu-process --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x8086 --gpu-device-id=0xbeef --gpu-driver-vendor='Google Inc.' --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file='C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log' --log-severity=disable --product-version='ReaderServices/19.8.20080 Chrome/64.0.3282.119' --service-request-channel-token=7725FBB9166B4C851A79910A92BCB155 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=' --type=renderer ' /prefetch:2Jump to behavior
Tries to open an application configuration file (.cfg)Show sources
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeFile opened: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\crash_reporter.cfgJump to behavior
Found graphical window changes (likely an installer)Show sources
Source: Window RecorderWindow detected: More than 3 window changes detected

Data Obfuscation:

barindex
Uses code obfuscation techniques (call, push, ret)Show sources
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00CF58C8 push edx; iretd 2_2_00CF58D2
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00CF68D0 push ds; ret 2_2_00CF68D2
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00CF12E5 push ss; iretd 2_2_00CF174A
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00CECE9F push 40F800D0h; iretd 2_2_00CECEA6
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00CF3E58 push esp; iretd 2_2_00CF3E59
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00CF3E54 push esp; iretd 2_2_00CF3E55
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00CFEC79 push 427800D0h; iretd 2_2_00CFEC7E
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00CFEE09 push cs; iretd 2_2_00CFEE0A
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00CECDC1 push 427800D0h; iretd 2_2_00CECDC6
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00CF67FF push edi; iretd 2_2_00CF6802
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00CF0D85 push cs; iretd 2_2_00CF0D96
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00CF0D98 push cs; iretd 2_2_00CF0D9E
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00CF21A7 push ebx; iretd 2_2_00CF21AA
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00CFF357 push 40F800D0h; iretd 2_2_00CFF35E
Source: C:\Windows\SysWOW64\wget.exeCode function: 2_2_00CF0D08 push cs; iretd 2_2_00CF0D7A

Hooking and other Techniques for Hiding and Protection:

barindex
Disables application error messsages (SetErrorMode)Show sources
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeProcess information set: NOGPFAULTERRORBOX | NOOPENFILEERRORBOXJump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeProcess information set: NOGPFAULTERRORBOX | NOOPENFILEERRORBOXJump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeProcess information set: NOGPFAULTERRORBOX | NOOPENFILEERRORBOXJump to behavior
Source: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exeProcess information set: NOGPFAULTERRORBOX | NOOPENFILEERRORBOXJump to behavior

Malware Analysis System Evasion:

barindex
May try to detect the virtual machine to hinder analysis (VM artifact strings found in memory)Show sources
Source: wget.exeBinary or memory string: Hyper-V RAW
Source: wget.exe, 00000002.00000002.1024385690.0000000000CE8000.00000004.00000020.sdmpBinary or memory string: Hyper-V RAW%SystemRoot%\system32\mswsock.dll

HIPS / PFW / Operating System Protection Evasion:

barindex
Creates a process in suspended mode (likely to inject code)Show sources
Source: C:\Windows\SysWOW64\cmd.exeProcess created: C:\Windows\SysWOW64\wget.exe wget -t 2 -v -T 60 -P 'C:\Users\user\Desktop\download' --no-check-certificate --content-disposition --user-agent='Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; AS; rv:11.0) like Gecko' 'http://review-linkedin-document.com/proposal.pdf' Jump to behavior

Language, Device and Operating System Detection:

barindex
Queries the volume information (name, serial number etc) of a deviceShow sources
Source: C:\Windows\SysWOW64\wget.exeQueries volume information: C:\Users\user\Desktop\download VolumeInformationJump to behavior
Queries the cryptographic machine GUIDShow sources
Source: C:\Windows\SysWOW64\wget.exeKey value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuidJump to behavior

Malware Configuration

No configs have been found

Behavior Graph

Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 signatures2 2 Behavior Graph ID: 220407 URL: http://review-linkedin-docu... Startdate: 06/04/2020 Architecture: WINDOWS Score: 52 33 Antivirus detection for URL or domain 2->33 35 Machine Learning detection for dropped file 2->35 7 cmd.exe 2 2->7         started        9 AcroRd32.exe 33 36 2->9         started        process3 process4 11 wget.exe 2 7->11         started        15 conhost.exe 7->15         started        17 RdrCEF.exe 5 9->17         started        19 AcroRd32.exe 6 9->19         started        dnsIp5 31 review-linkedin-document.com 5.230.65.20, 443, 49930, 49931 unknown Germany 11->31 29 C:\Users\user\Desktop\download\proposal.pdf, PDF 11->29 dropped 21 RdrCEF.exe 17->21         started        23 RdrCEF.exe 17->23         started        25 RdrCEF.exe 17->25         started        27 3 other processes 17->27 file6 process7

Simulations

Behavior and APIs

TimeTypeDescription
09:34:04API Interceptor5x Sleep call for process: RdrCEF.exe modified

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

No Antivirus matches

Dropped Files

SourceDetectionScannerLabelLink
C:\Users\user\Desktop\download\proposal.pdf100%Joe Sandbox ML

Unpacked PE Files

No Antivirus matches

Domains

No Antivirus matches

URLs

SourceDetectionScannerLabelLink
http://review-linkedin-document.com/proposal.pdf1%VirustotalBrowse
http://review-linkedin-document.com/proposal.pdf0%Avira URL Cloudsafe
https://review-linkedin-document.com/proposal.pdfZ50%Avira URL Cloudsafe
http://cps.letsencrypt.org00%URL Reputationsafe
https://review-linkedin-document.com/proposal.pdf1%VirustotalBrowse
https://review-linkedin-document.com/proposal.pdf0%Avira URL Cloudsafe
http://ocsp.int-x3.letsencrypt.org0/0%URL Reputationsafe
http://cps.root-x1.letsencrypt.org00%URL Reputationsafe
https://singapore-square-33681.pancakeapps.com/)100%Avira URL Cloudphishing
http://crl.use0%URL Reputationsafe

Yara Overview

Initial Sample

No yara matches

PCAP (Network Traffic)

No yara matches

Dropped Files

No yara matches

Memory Dumps

No yara matches

Unpacked PEs

No yara matches

Sigma Overview

No Sigma rule has matched

Joe Sandbox View / Context

IPs

No context

Domains

No context

ASN

No context

JA3 Fingerprints

No context

Dropped Files

No context

Screenshots

Thumbnails

This section contains all screenshots as thumbnails, including those not shown in the slideshow.