Analysis
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max time kernel
99s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2022 07:51
Static task
static1
Behavioral task
behavioral1
Sample
CamScan03102022_payment_receipt_AU9389990001RCA.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
CamScan03102022_payment_receipt_AU9389990001RCA.exe
Resource
win10v2004-20220812-en
General
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Target
CamScan03102022_payment_receipt_AU9389990001RCA.exe
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Size
840KB
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MD5
b0a8c313b595faee613975f8caae0d8f
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SHA1
2700323d23739897ebb239b2dee27b99195163c3
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SHA256
d5863100cda763f0b62cb1713f18d6218336bc726ce0890136716d92dd432223
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SHA512
c458f3f77ba65fa45e17f9cce3f5f445f27beb8901ebe2931d4dea69e32667334a0050f9b0d7e5d8d482965882a17befc2a349b03cb801f17498ea3ed9f3b377
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SSDEEP
12288:QK4HTNxjAOOLPaFzwDmG0Vs5o0uaPb4aB+ypYvN3s/zpHyRhBOY4JL:o8aFHGP5zuasaBpZyRbz4JL
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5453475689:AAEPtYkTq-8THTeKrYW8b68w6CGTVgKvmpM/sendMessage?chat_id=5798274961
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3784-139-0x0000000000400000-0x0000000000436000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 38 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
CamScan03102022_payment_receipt_AU9389990001RCA.exedescription pid process target process PID 5080 set thread context of 3784 5080 CamScan03102022_payment_receipt_AU9389990001RCA.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
MSBuild.exepid process 3784 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 3784 MSBuild.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
CamScan03102022_payment_receipt_AU9389990001RCA.exedescription pid process target process PID 5080 wrote to memory of 3784 5080 CamScan03102022_payment_receipt_AU9389990001RCA.exe MSBuild.exe PID 5080 wrote to memory of 3784 5080 CamScan03102022_payment_receipt_AU9389990001RCA.exe MSBuild.exe PID 5080 wrote to memory of 3784 5080 CamScan03102022_payment_receipt_AU9389990001RCA.exe MSBuild.exe PID 5080 wrote to memory of 3784 5080 CamScan03102022_payment_receipt_AU9389990001RCA.exe MSBuild.exe PID 5080 wrote to memory of 3784 5080 CamScan03102022_payment_receipt_AU9389990001RCA.exe MSBuild.exe PID 5080 wrote to memory of 3784 5080 CamScan03102022_payment_receipt_AU9389990001RCA.exe MSBuild.exe PID 5080 wrote to memory of 3784 5080 CamScan03102022_payment_receipt_AU9389990001RCA.exe MSBuild.exe PID 5080 wrote to memory of 3784 5080 CamScan03102022_payment_receipt_AU9389990001RCA.exe MSBuild.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\CamScan03102022_payment_receipt_AU9389990001RCA.exe"C:\Users\Admin\AppData\Local\Temp\CamScan03102022_payment_receipt_AU9389990001RCA.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3784-138-0x0000000000000000-mapping.dmp
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memory/3784-139-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
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memory/3784-140-0x00000000069D0000-0x0000000006B92000-memory.dmpFilesize
1.8MB
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memory/5080-132-0x00000000002F0000-0x00000000003C8000-memory.dmpFilesize
864KB
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memory/5080-133-0x00000000053F0000-0x0000000005994000-memory.dmpFilesize
5.6MB
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memory/5080-134-0x0000000004D50000-0x0000000004DE2000-memory.dmpFilesize
584KB
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memory/5080-135-0x0000000004E00000-0x0000000004E0A000-memory.dmpFilesize
40KB
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memory/5080-136-0x0000000008860000-0x00000000088FC000-memory.dmpFilesize
624KB
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memory/5080-137-0x0000000000D80000-0x0000000000DE6000-memory.dmpFilesize
408KB