General
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Target
sigmahacks0.2.exe
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Size
6.9MB
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Sample
240523-sj455afc9s
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MD5
10bbd38c21ebf84fea97c3812d57d9c6
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SHA1
293cec0d7f44151ffbf88dfe408265825f8bca9b
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SHA256
83c4e5947870b7b9f06044624b420ddc9fbae6898a5c9b4420c3dbeaca508bb9
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SHA512
a00ec8ed84b806c4aca8564354a6687da64b999d255df7fea4c38e6026c8a4cee665414e96d5e28904d051f4c1a6956193a96c12e52286d6d7f58f39bae8ac31
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SSDEEP
196608:ESw7sghUuE1R1R9iVTdRUo/Rf7KG0ZLK+4eCA6Pt7R:PwDh10RsFzUURTclC5t7
Static task
static1
Behavioral task
behavioral1
Sample
sigmahacks0.2.exe
Resource
win10v2004-20240426-en
Malware Config
Targets
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Target
sigmahacks0.2.exe
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Size
6.9MB
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MD5
10bbd38c21ebf84fea97c3812d57d9c6
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SHA1
293cec0d7f44151ffbf88dfe408265825f8bca9b
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SHA256
83c4e5947870b7b9f06044624b420ddc9fbae6898a5c9b4420c3dbeaca508bb9
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SHA512
a00ec8ed84b806c4aca8564354a6687da64b999d255df7fea4c38e6026c8a4cee665414e96d5e28904d051f4c1a6956193a96c12e52286d6d7f58f39bae8ac31
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SSDEEP
196608:ESw7sghUuE1R1R9iVTdRUo/Rf7KG0ZLK+4eCA6Pt7R:PwDh10RsFzUURTclC5t7
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Modifies boot configuration data using bcdedit
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Installed Components in the registry
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Modifies Windows Firewall
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Sets service image path in registry
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Modifies system executable filetype association
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Registers COM server for autorun
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Adds Run key to start application
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Checks for any installed AV software in registry
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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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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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Change Default File Association
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Change Default File Association
1Defense Evasion
Modify Registry
5Impair Defenses
1Disable or Modify System Firewall
1Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1