General
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Target
BatToExe.bat
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Size
1KB
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Sample
250201-ez1kzstqgr
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MD5
58f9dfaa6c2a6f23011b7c4bc7075509
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SHA1
5c0bb2e0a72d119215eadaddbdf4f5ac56a1f4b9
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SHA256
4c7a69fb154f7ee59673b530b305a95601ffab15b2c50bb68187a687cca15da6
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SHA512
f022f8b2eba4d9f831a44880db630f0de74e17326c72bf8550c0483f6ac145699fba693bc074d125784b4f7af4d2f40739b036dac8e7f418a5e3667d9b655f4c
Static task
static1
Behavioral task
behavioral1
Sample
BatToExe.bat
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
BatToExe.bat
Resource
win10v2004-20250129-en
Malware Config
Targets
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Target
BatToExe.bat
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Size
1KB
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MD5
58f9dfaa6c2a6f23011b7c4bc7075509
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SHA1
5c0bb2e0a72d119215eadaddbdf4f5ac56a1f4b9
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SHA256
4c7a69fb154f7ee59673b530b305a95601ffab15b2c50bb68187a687cca15da6
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SHA512
f022f8b2eba4d9f831a44880db630f0de74e17326c72bf8550c0483f6ac145699fba693bc074d125784b4f7af4d2f40739b036dac8e7f418a5e3667d9b655f4c
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Dharma
Dharma is a ransomware that uses security software installation to hide malicious activities.
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Dharma family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (527) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
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Deletes itself
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Drops startup file
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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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Drops desktop.ini file(s)
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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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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1