Windows Analysis Report
BankAcc Confirmation Letter 002.pdf

Overview

General Information

Sample name: BankAcc Confirmation Letter 002.pdf
Analysis ID: 1560169
MD5: 6dbda2c52ca6bd0759d7c156962f333b
SHA1: 233767c1551f4eacb99119170a563f175f47a161
SHA256: 3d94bdfe2fa47e61495f488c3fb43e46d2c1af99174cbe2013b7352628ca6999
Infos:

Detection

Score: 2
Range: 0 - 100
Whitelisted: false
Confidence: 80%

Signatures

IP address seen in connection with other malware
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Potential document exploit detected (unknown TCP traffic)
Uses a known web browser user agent for HTTP communication

Classification

Source: global traffic DNS query: name: x1.i.lencr.org
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 52.202.204.11:443 -> 192.168.2.5:49716
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 52.202.204.11:443 -> 192.168.2.5:49716
Source: global traffic TCP traffic: 52.202.204.11:443 -> 192.168.2.5:49716
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 52.202.204.11:443 -> 192.168.2.5:49716
Source: global traffic TCP traffic: 52.202.204.11:443 -> 192.168.2.5:49716
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 52.202.204.11:443 -> 192.168.2.5:49716
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 52.202.204.11:443 -> 192.168.2.5:49716
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 52.202.204.11:443 -> 192.168.2.5:49716
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 52.202.204.11:443 -> 192.168.2.5:49716
Source: global traffic TCP traffic: 52.202.204.11:443 -> 192.168.2.5:49716
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 192.168.2.5:49716 -> 52.202.204.11:443
Source: global traffic TCP traffic: 52.202.204.11:443 -> 192.168.2.5:49716
Source: Joe Sandbox View IP Address: 52.202.204.11 52.202.204.11
Source: global traffic HTTP traffic detected: GET /psdk/v2/content?surfaceId=ACROBAT_READER_MASTER_SURFACEID&surfaceId=DC_READER_LAUNCH_CARD&surfaceId=DC_Reader_RHP_Banner&surfaceId=DC_Reader_RHP_Retention&surfaceId=Edit_InApp_Aug2020&surfaceId=DC_FirstMile_Right_Sec_Surface&surfaceId=DC_Reader_Upsell_Cards&surfaceId=DC_FirstMile_Home_View_Surface&surfaceId=DC_Reader_RHP_Intent_Banner&surfaceId=DC_Reader_Disc_LHP_Banner&surfaceId=DC_Reader_Edit_LHP_Banner&surfaceId=DC_Reader_Convert_LHP_Banner&surfaceId=DC_Reader_Sign_LHP_Banner&surfaceId=DC_Reader_More_LHP_Banner&surfaceId=DC_Reader_Disc_LHP_Retention&surfaceId=DC_Reader_Home_LHP_Trial_Banner&adcProductLanguage=en-us&adcVersion=23.6.20320&adcProductType=SingleClientMini&adcOSType=WIN&adcCountryCode=US&adcXAPIClientID=api_reader_desktop_win_23.6.20320&encodingScheme=BASE_64 HTTP/1.1Host: p13n.adobe.ioConnection: keep-alivesec-ch-ua: "Chromium";v="105"sec-ch-ua-mobile: ?0User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) ReaderServices/23.6.20320 Chrome/105.0.0.0 Safari/537.36Accept: application/json, text/javascript, */*; q=0.01x-adobe-uuid: 89d789c4-e7e5-4f75-95a4-57139ab6811fx-adobe-uuid-type: visitorIdx-api-key: AdobeReader9sec-ch-ua-platform: "Windows"Origin: https://rna-resource.acrobat.comAccept-Language: en-US,en;q=0.9Sec-Fetch-Site: cross-siteSec-Fetch-Mode: corsSec-Fetch-Dest: emptyReferer: https://rna-resource.acrobat.com/Accept-Encoding: gzip, deflate, br
Source: unknown TCP traffic detected without corresponding DNS query: 52.202.204.11
Source: unknown TCP traffic detected without corresponding DNS query: 52.202.204.11
Source: unknown TCP traffic detected without corresponding DNS query: 52.202.204.11
Source: unknown TCP traffic detected without corresponding DNS query: 52.202.204.11
Source: unknown TCP traffic detected without corresponding DNS query: 52.202.204.11
Source: unknown TCP traffic detected without corresponding DNS query: 52.202.204.11
Source: unknown TCP traffic detected without corresponding DNS query: 52.202.204.11
Source: unknown TCP traffic detected without corresponding DNS query: 52.202.204.11
Source: unknown TCP traffic detected without corresponding DNS query: 52.202.204.11
Source: unknown TCP traffic detected without corresponding DNS query: 52.202.204.11
Source: unknown TCP traffic detected without corresponding DNS query: 52.202.204.11
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: global traffic HTTP traffic detected: GET /psdk/v2/content?surfaceId=ACROBAT_READER_MASTER_SURFACEID&surfaceId=DC_READER_LAUNCH_CARD&surfaceId=DC_Reader_RHP_Banner&surfaceId=DC_Reader_RHP_Retention&surfaceId=Edit_InApp_Aug2020&surfaceId=DC_FirstMile_Right_Sec_Surface&surfaceId=DC_Reader_Upsell_Cards&surfaceId=DC_FirstMile_Home_View_Surface&surfaceId=DC_Reader_RHP_Intent_Banner&surfaceId=DC_Reader_Disc_LHP_Banner&surfaceId=DC_Reader_Edit_LHP_Banner&surfaceId=DC_Reader_Convert_LHP_Banner&surfaceId=DC_Reader_Sign_LHP_Banner&surfaceId=DC_Reader_More_LHP_Banner&surfaceId=DC_Reader_Disc_LHP_Retention&surfaceId=DC_Reader_Home_LHP_Trial_Banner&adcProductLanguage=en-us&adcVersion=23.6.20320&adcProductType=SingleClientMini&adcOSType=WIN&adcCountryCode=US&adcXAPIClientID=api_reader_desktop_win_23.6.20320&encodingScheme=BASE_64 HTTP/1.1Host: p13n.adobe.ioConnection: keep-alivesec-ch-ua: "Chromium";v="105"sec-ch-ua-mobile: ?0User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) ReaderServices/23.6.20320 Chrome/105.0.0.0 Safari/537.36Accept: application/json, text/javascript, */*; q=0.01x-adobe-uuid: 89d789c4-e7e5-4f75-95a4-57139ab6811fx-adobe-uuid-type: visitorIdx-api-key: AdobeReader9sec-ch-ua-platform: "Windows"Origin: https://rna-resource.acrobat.comAccept-Language: en-US,en;q=0.9Sec-Fetch-Site: cross-siteSec-Fetch-Mode: corsSec-Fetch-Dest: emptyReferer: https://rna-resource.acrobat.com/Accept-Encoding: gzip, deflate, br
Source: global traffic DNS traffic detected: DNS query: x1.i.lencr.org
Source: 77EC63BDA74BD0D0E0426DC8F80085060.2.dr String found in binary or memory: http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
Source: 2D85F72862B55C4EADD9E66E06947F3D0.2.dr String found in binary or memory: http://x1.i.lencr.org/
Source: unknown Network traffic detected: HTTP traffic on port 49716 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49716
Source: classification engine Classification label: clean2.winPDF@14/30@1/1
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe File created: C:\Users\user\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents-journal Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe File created: C:\Users\user\AppData\Local\Temp\acrobat_sbx\NGL\NGLClient_AcrobatReader123.6.20320.6 2024-11-21 07-47-35-310.log Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\SystemCertificates\CA Jump to behavior
Source: unknown Process created: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe "C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe" "C:\Users\user\Desktop\BankAcc Confirmation Letter 002.pdf"
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe Process created: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe "C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe" --backgroundcolor=16777215
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe "C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --log-severity=disable --user-agent-product="ReaderServices/23.6.20320 Chrome/105.0.0.0" --lang=en-US --user-data-dir="C:\Users\user\AppData\Local\CEF\User Data" --log-file="C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\debug.log" --mojo-platform-channel-handle=2108 --field-trial-handle=1664,i,17052531450104719093,7534709632114952489,131072 --disable-features=BackForwardCache,CalculateNativeWinOcclusion,WinUseBrowserSpellChecker /prefetch:8
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe Process created: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe "C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe" --backgroundcolor=16777215 Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe "C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --log-severity=disable --user-agent-product="ReaderServices/23.6.20320 Chrome/105.0.0.0" --lang=en-US --user-data-dir="C:\Users\user\AppData\Local\CEF\User Data" --log-file="C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\debug.log" --mojo-platform-channel-handle=2108 --field-trial-handle=1664,i,17052531450104719093,7534709632114952489,131072 --disable-features=BackForwardCache,CalculateNativeWinOcclusion,WinUseBrowserSpellChecker /prefetch:8 Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process created: unknown unknown Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
Source: BankAcc Confirmation Letter 002.pdf Initial sample: PDF keyword /JS count = 0
Source: BankAcc Confirmation Letter 002.pdf Initial sample: PDF keyword /JavaScript count = 0
Source: BankAcc Confirmation Letter 002.pdf Initial sample: PDF keyword /EmbeddedFile count = 0
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs