General
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://cdn.discordapp.com/attachments/1000572518157009029/1234801457908158474/sigmahacks0.2.exe?ex=66320df9&is=6630bc79&hm=32d8335c0bc9574827769609a3ec2f384d1c7acf88a515c00c3b38079c24a063&
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
https://cdn.discordapp.com/attachments/1000572518157009029/1234801457908158474/sigmahacks0.2.exe?ex=66320df9&is=6630bc79&hm=32d8335c0bc9574827769609a3ec2f384d1c7acf88a515c00c3b38079c24a063&
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
https://cdn.discordapp.com/attachments/1000572518157009029/1234801457908158474/sigmahacks0.2.exe?ex=66320df9&is=6630bc79&hm=32d8335c0bc9574827769609a3ec2f384d1c7acf88a515c00c3b38079c24a063&
Resource
win10v2004-20240419-en
Malware Config
Targets
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Target
https://cdn.discordapp.com/attachments/1000572518157009029/1234801457908158474/sigmahacks0.2.exe?ex=66320df9&is=6630bc79&hm=32d8335c0bc9574827769609a3ec2f384d1c7acf88a515c00c3b38079c24a063&
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Downloads MZ/PE file
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Modifies Windows Firewall
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Sets file execution options in registry
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Executes dropped EXE
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Loads dropped DLL
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Registers COM server for autorun
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Drops file in System32 directory
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Suspicious use of NtCreateThreadExHideFromDebugger
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
2