Windows Analysis Report
Muffenrohr Tiefbauh., Zahl.-Erinnerung KD2016680.PDF

Overview

General Information

Sample name: Muffenrohr Tiefbauh., Zahl.-Erinnerung KD2016680.PDF
Analysis ID: 1532976
MD5: 94fed46fd43f848e39f51962eb66f36a
SHA1: cd9668e67db6a84583694cc33bfedab32b535f24
SHA256: e4eb20c6e661409e26e2f51a0f82777b771191229e51e283cc4a462fff34268d
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: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 104.77.220.172:443 -> 192.168.2.4:49744
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 104.77.220.172:443 -> 192.168.2.4:49744
Source: global traffic TCP traffic: 104.77.220.172:443 -> 192.168.2.4:49744
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 104.77.220.172:443 -> 192.168.2.4:49744
Source: global traffic TCP traffic: 104.77.220.172:443 -> 192.168.2.4:49744
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 104.77.220.172:443 -> 192.168.2.4:49744
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 104.77.220.172:443 -> 192.168.2.4:49744
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 104.77.220.172:443 -> 192.168.2.4:49744
Source: global traffic TCP traffic: 104.77.220.172:443 -> 192.168.2.4:49744
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 104.77.220.172:443 -> 192.168.2.4:49744
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: global traffic TCP traffic: 192.168.2.4:49744 -> 104.77.220.172:443
Source: Joe Sandbox View IP Address: 104.77.220.172 104.77.220.172
Source: global traffic HTTP traffic detected: GET /onboarding/smskillreader.txt HTTP/1.1Host: armmf.adobe.comConnection: keep-aliveAccept-Language: en-US,en;q=0.9User-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/537.36Sec-Fetch-Site: same-originSec-Fetch-Mode: no-corsSec-Fetch-Dest: emptyAccept-Encoding: gzip, deflate, brIf-None-Match: "78-5faa31cce96da"If-Modified-Since: Mon, 01 May 2023 15:02:33 GMT
Source: unknown TCP traffic detected without corresponding DNS query: 104.77.220.172
Source: unknown TCP traffic detected without corresponding DNS query: 104.77.220.172
Source: unknown TCP traffic detected without corresponding DNS query: 104.77.220.172
Source: unknown TCP traffic detected without corresponding DNS query: 104.77.220.172
Source: unknown TCP traffic detected without corresponding DNS query: 104.77.220.172
Source: unknown TCP traffic detected without corresponding DNS query: 104.77.220.172
Source: unknown TCP traffic detected without corresponding DNS query: 104.77.220.172
Source: unknown TCP traffic detected without corresponding DNS query: 104.77.220.172
Source: unknown TCP traffic detected without corresponding DNS query: 104.77.220.172
Source: unknown TCP traffic detected without corresponding DNS query: 104.77.220.172
Source: unknown TCP traffic detected without corresponding DNS query: 104.77.220.172
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: global traffic HTTP traffic detected: GET /onboarding/smskillreader.txt HTTP/1.1Host: armmf.adobe.comConnection: keep-aliveAccept-Language: en-US,en;q=0.9User-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/537.36Sec-Fetch-Site: same-originSec-Fetch-Mode: no-corsSec-Fetch-Dest: emptyAccept-Encoding: gzip, deflate, brIf-None-Match: "78-5faa31cce96da"If-Modified-Since: Mon, 01 May 2023 15:02:33 GMT
Source: global traffic DNS traffic detected: DNS query: x1.i.lencr.org
Source: 77EC63BDA74BD0D0E0426DC8F80085060.1.dr String found in binary or memory: http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
Source: 2D85F72862B55C4EADD9E66E06947F3D0.1.dr String found in binary or memory: http://x1.i.lencr.org/
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49744
Source: unknown Network traffic detected: HTTP traffic on port 49744 -> 443
Source: classification engine Classification label: clean2.winPDF@14/31@1/1
Source: C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe File created: C:\Users\user\AppData\Local\Adobe\Acrobat\DC\AdobeFnt23.lst.3368 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 2024-10-14 02-52-33-964.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\Muffenrohr Tiefbauh., Zahl.-Erinnerung KD2016680.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=2100 --field-trial-handle=1640,i,9707924894947965681,5943374216949905986,131072 --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=2100 --field-trial-handle=1640,i,9707924894947965681,5943374216949905986,131072 --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: Muffenrohr Tiefbauh., Zahl.-Erinnerung KD2016680.PDF Initial sample: PDF keyword /JS count = 0
Source: Muffenrohr Tiefbauh., Zahl.-Erinnerung KD2016680.PDF Initial sample: PDF keyword /JavaScript count = 0
Source: Muffenrohr Tiefbauh., Zahl.-Erinnerung KD2016680.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