Windows Analysis Report
REMIT_20241001_001.csv

Overview

General Information

Sample name: REMIT_20241001_001.csv
Analysis ID: 1523639
MD5: c045dcd260c51ec69f8150693a98fe99
SHA1: c7b50c573ddf44d305cc25f0b222129d69e6328a
SHA256: b2a448e60df6cd9734bc261defe1954d683079ba35b21580702b507e16d65da5
Infos:

Detection

Score: 3
Range: 0 - 100
Whitelisted: false
Confidence: 80%

Signatures

Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
IP address seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
Sample execution stops while process was sleeping (likely an evasion)
Sigma detected: Excel Network Connections
Sigma detected: Suspicious Office Outbound Connections

Classification

Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE File opened: C:\Program Files (x86)\Microsoft Office\root\vfs\SystemX86\MSVCR100.dll Jump to behavior
Source: unknown HTTPS traffic detected: 13.107.246.60:443 -> 192.168.2.4:49756 version: TLS 1.2
Source: unknown HTTPS traffic detected: 13.107.246.60:443 -> 192.168.2.4:49757 version: TLS 1.2
Source: unknown HTTPS traffic detected: 13.107.246.60:443 -> 192.168.2.4:49754 version: TLS 1.2
Source: unknown HTTPS traffic detected: 13.107.246.60:443 -> 192.168.2.4:49755 version: TLS 1.2
Source: unknown HTTPS traffic detected: 13.107.246.60:443 -> 192.168.2.4:49753 version: TLS 1.2
IP address seen in connection with other malware
Source: Joe Sandbox View IP Address: 13.107.246.60 13.107.246.60
JA3 SSL client fingerprint seen in connection with other malware
Source: Joe Sandbox View JA3 fingerprint: a0e9f5d64349fb13191bc781f81f42e1
Source: global traffic HTTP traffic detected: GET /rules/rule324001v4s19.xml HTTP/1.1Connection: Keep-AliveAccept-Encoding: gzipUser-Agent: Microsoft Office/16.0 (Windows NT 10.0; Microsoft Excel 16.0.16827; Pro)Host: otelrules.azureedge.net
Source: global traffic HTTP traffic detected: GET /rules/rule490016v3s19.xml HTTP/1.1Connection: Keep-AliveAccept-Encoding: gzipUser-Agent: Microsoft Office/16.0 (Windows NT 10.0; Microsoft Excel 16.0.16827; Pro)Host: otelrules.azureedge.net
Source: global traffic HTTP traffic detected: GET /rules/rule170012v12s19.xml HTTP/1.1Connection: Keep-AliveAccept-Encoding: gzipUser-Agent: Microsoft Office/16.0 (Windows NT 10.0; Microsoft Excel 16.0.16827; Pro)Host: otelrules.azureedge.net
Source: global traffic HTTP traffic detected: GET /rules/rule63067v4s19.xml HTTP/1.1Connection: Keep-AliveAccept-Encoding: gzipUser-Agent: Microsoft Office/16.0 (Windows NT 10.0; Microsoft Excel 16.0.16827; Pro)Host: otelrules.azureedge.net
Source: global traffic HTTP traffic detected: GET /rules/rule170022v2s19.xml HTTP/1.1Connection: Keep-AliveAccept-Encoding: gzipUser-Agent: Microsoft Office/16.0 (Windows NT 10.0; Microsoft Excel 16.0.16827; Pro)Host: otelrules.azureedge.net
Source: global traffic HTTP traffic detected: GET /rules/rule324002v5s19.xml HTTP/1.1Connection: Keep-AliveAccept-Encoding: gzipUser-Agent: Microsoft Office/16.0 (Windows NT 10.0; Microsoft Excel 16.0.16827; Pro)Host: otelrules.azureedge.net
Source: global traffic HTTP traffic detected: GET /rules/rule324003v5s19.xml HTTP/1.1Connection: Keep-AliveAccept-Encoding: gzipUser-Agent: Microsoft Office/16.0 (Windows NT 10.0; Microsoft Excel 16.0.16827; Pro)Host: otelrules.azureedge.net
Source: global traffic HTTP traffic detected: GET /rules/rule324004v4s19.xml HTTP/1.1Connection: Keep-AliveAccept-Encoding: gzipUser-Agent: Microsoft Office/16.0 (Windows NT 10.0; Microsoft Excel 16.0.16827; Pro)Host: otelrules.azureedge.net
Source: global traffic HTTP traffic detected: GET /rules/rule324005v2s19.xml HTTP/1.1Connection: Keep-AliveAccept-Encoding: gzipUser-Agent: Microsoft Office/16.0 (Windows NT 10.0; Microsoft Excel 16.0.16827; Pro)Host: otelrules.azureedge.net
Source: global traffic HTTP traffic detected: GET /rules/rule324006v2s19.xml HTTP/1.1Connection: Keep-AliveAccept-Encoding: gzipUser-Agent: Microsoft Office/16.0 (Windows NT 10.0; Microsoft Excel 16.0.16827; Pro)Host: otelrules.azureedge.net
Source: 57C8EDB95DF3F0AD4EE2DC2B8CFD4157.0.dr String found in binary or memory: http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49755
Source: unknown Network traffic detected: HTTP traffic on port 49757 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49754
Source: unknown Network traffic detected: HTTP traffic on port 49758 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49753
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49762
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49761
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49760
Source: unknown Network traffic detected: HTTP traffic on port 49761 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49760 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49762 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49754 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49759
Source: unknown Network traffic detected: HTTP traffic on port 49759 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49758
Source: unknown Network traffic detected: HTTP traffic on port 49753 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49757
Source: unknown Network traffic detected: HTTP traffic on port 49755 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49756 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49756
Source: unknown HTTPS traffic detected: 13.107.246.60:443 -> 192.168.2.4:49756 version: TLS 1.2
Source: unknown HTTPS traffic detected: 13.107.246.60:443 -> 192.168.2.4:49757 version: TLS 1.2
Source: unknown HTTPS traffic detected: 13.107.246.60:443 -> 192.168.2.4:49754 version: TLS 1.2
Source: unknown HTTPS traffic detected: 13.107.246.60:443 -> 192.168.2.4:49755 version: TLS 1.2
Source: unknown HTTPS traffic detected: 13.107.246.60:443 -> 192.168.2.4:49753 version: TLS 1.2
Source: classification engine Classification label: clean3.winCSV@3/2@0/1
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE File created: C:\Program Files (x86)\Microsoft Office\root\vfs\Common AppData\Microsoft\Office\Heartbeat\HeartbeatCache.xml Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE File created: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\mso9C46.tmp Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE File created: C:\Users\user\AppData\Local\Temp\{0F9BD8E7-6893-4781-8EAF-33E70EDDF7E5} - OProcSessId.dat Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE File read: C:\Users\desktop.ini Jump to behavior
Source: unknown Process created: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE "C:\Program Files (x86)\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process created: C:\Windows\splwow64.exe C:\Windows\splwow64.exe 12288
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process created: C:\Windows\splwow64.exe C:\Windows\splwow64.exe 12288 Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Key opened: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Common Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE File opened: C:\Program Files (x86)\Microsoft Office\root\vfs\SystemX86\MSVCR100.dll Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: FAILCRITICALERRORS | NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\splwow64.exe Process information set: NOALIGNMENTFAULTEXCEPT | NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\splwow64.exe Process information set: NOALIGNMENTFAULTEXCEPT | NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\splwow64.exe Process information set: NOALIGNMENTFAULTEXCEPT | NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\splwow64.exe Process information set: NOALIGNMENTFAULTEXCEPT | NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\splwow64.exe Process information set: NOALIGNMENTFAULTEXCEPT | NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\splwow64.exe Process information set: NOALIGNMENTFAULTEXCEPT | NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\splwow64.exe Process information set: NOALIGNMENTFAULTEXCEPT | NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\splwow64.exe Process information set: NOALIGNMENTFAULTEXCEPT | NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\splwow64.exe Process information set: NOALIGNMENTFAULTEXCEPT | NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\splwow64.exe Process information set: NOALIGNMENTFAULTEXCEPT | NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\splwow64.exe Process information set: NOALIGNMENTFAULTEXCEPT | NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\splwow64.exe Process information set: NOALIGNMENTFAULTEXCEPT | NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\splwow64.exe Process information set: NOALIGNMENTFAULTEXCEPT | NOOPENFILEERRORBOX Jump to behavior
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Source: C:\Windows\splwow64.exe Window / User API: threadDelayed 892 Jump to behavior
Sample execution stops while process was sleeping (likely an evasion)
Source: C:\Windows\splwow64.exe Last function: Thread delayed
Source: C:\Windows\splwow64.exe Last function: Thread delayed
Source: C:\Windows\splwow64.exe Thread delayed: delay time: 120000 Jump to behavior
Source: C:\Windows\splwow64.exe Thread delayed: delay time: 120000 Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE Process information queried: ProcessInformation Jump to behavior
windows-stand
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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 process2 2 Behavior Graph ID: 1523639 Sample: REMIT_20241001_001.csv Startdate: 01/10/2024 Architecture: WINDOWS Score: 3 5 EXCEL.EXE 140 66 2->5         started        dnsIp3 10 s-part-0032.t-0009.t-msedge.net 13.107.246.60, 443, 49753, 49754 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 5->10 8 splwow64.exe 5->8         started        process4
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
13.107.246.60
 s-part-0032.t-0009.t-msedge.net United States
8068 MICROSOFT-CORP-MSN-AS-BLOCKUS false

Contacted Domains

Name IP Active
s-part-0032.t-0009.t-msedge.net 13.107.246.60 true