General
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Target
dropper.bat
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Size
3KB
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Sample
240619-zw91gawcnr
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MD5
b39d7e16dc19bb1d6bf046c88e66bdc6
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SHA1
3982666db1f0552cd5d9e4aa12cadfe6d3c6ddd7
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SHA256
7230c62275c90bdb5400ef4e95aea9d0e2ffef55e9080a2a6a7336ed902c9ea5
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SHA512
9b47a888f1b9e53fcd50a94c04fb43443221461eac57c1203ba673060dea5b50520a31df6d5b368e54aad6b10d1a13bf43ebc0864765150a89d58beffcbb11a0
Static task
static1
Behavioral task
behavioral1
Sample
dropper.bat
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
dropper.bat
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
dropper.bat
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Size
3KB
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MD5
b39d7e16dc19bb1d6bf046c88e66bdc6
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SHA1
3982666db1f0552cd5d9e4aa12cadfe6d3c6ddd7
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SHA256
7230c62275c90bdb5400ef4e95aea9d0e2ffef55e9080a2a6a7336ed902c9ea5
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SHA512
9b47a888f1b9e53fcd50a94c04fb43443221461eac57c1203ba673060dea5b50520a31df6d5b368e54aad6b10d1a13bf43ebc0864765150a89d58beffcbb11a0
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Async RAT payload
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Downloads MZ/PE file
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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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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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v13
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Access Token Manipulation
1Create Process with Token
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Modify Registry
1Access Token Manipulation
1Create Process with Token
1