General
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Target
ByteBreakerBootstrapper.exe
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Size
10KB
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Sample
241121-qm4bwsxjcl
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MD5
42685dcac1e93766a145506117e18bdb
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SHA1
35268754ce19f7abeed26e159dae93e6e1f4ffaf
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SHA256
0dd1f6e20e065ec3c860fe9bbe6688937450c707ce7e2d2ac53558381799244b
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SHA512
33f42a1d09abe53c870f13336b6ce652bcd3d87614e0bc70ca109f1b6668c30766e4337a9a5e86a3dce55c904c431bafc165f5aa915daa70c98521eab3a37c3f
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SSDEEP
96:gNCH5JT31k12R1NIiG1Q94btQF+e9sn3Xkb21AmUVC6NW3b9Ajt86sQVeCqpE/u3:QufBE2R7WQ94JQFrqSmUI6PDsQVf7G5
Static task
static1
Behavioral task
behavioral1
Sample
ByteBreakerBootstrapper.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ByteBreakerBootstrapper.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
ByteBreakerBootstrapper.exe
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Size
10KB
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MD5
42685dcac1e93766a145506117e18bdb
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SHA1
35268754ce19f7abeed26e159dae93e6e1f4ffaf
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SHA256
0dd1f6e20e065ec3c860fe9bbe6688937450c707ce7e2d2ac53558381799244b
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SHA512
33f42a1d09abe53c870f13336b6ce652bcd3d87614e0bc70ca109f1b6668c30766e4337a9a5e86a3dce55c904c431bafc165f5aa915daa70c98521eab3a37c3f
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SSDEEP
96:gNCH5JT31k12R1NIiG1Q94btQF+e9sn3Xkb21AmUVC6NW3b9Ajt86sQVeCqpE/u3:QufBE2R7WQ94JQFrqSmUI6PDsQVf7G5
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Downloads MZ/PE file
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Event Triggered Execution: Image File Execution Options Injection
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A potential corporate email address has been identified in the URL: currency-file@1
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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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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Legitimate hosting services abused for malware hosting/C2
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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 Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Discovery
Browser Information Discovery
1Network Share Discovery
1Peripheral Device Discovery
2Query Registry
8System Information Discovery
8System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1