General
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Target
Desktop.rar
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Size
583KB
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Sample
241105-syk1ssvanq
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MD5
1cf7fced7dad510f4176f8951989b292
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SHA1
65c93d2a9f81ace650c49b5f4d4074b65cf8c3f7
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SHA256
e0cea864934569ac6a26891342810b3174d3bf740b1b64544373a29256ce9a0a
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SHA512
dd93b145f4af73bb8cbffde88427f06f0af5d1b0455c8376fcd0985a07b3b966a016f28edb52db432e2dd4a85d0efe46a3fa5d0255d6f39c98acf77fe92f1319
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SSDEEP
12288:tMTyPRrLQjpZfqeDashYYN9wCuGXZdUz9VSs87yDNMZnP0GoPBb:t1NwSeJyYnuGXZdU6BODC1P0ppb
Static task
static1
Behavioral task
behavioral1
Sample
001.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
002.exe
Resource
win7-20241023-en
Malware Config
Extracted
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
Extracted
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
Targets
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Target
001
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Size
626KB
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MD5
cced409e95d6c2e44823381df3880d96
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SHA1
724383fc11cca24495a5ee69737399520eb70483
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SHA256
c435eb8911a3657f56dd5508c69f0c62120bd1af8d7a980ad840209c83828066
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SHA512
42d1ddd7dbc7e1f8bd4aa639086eca6211e5cb0d2d2b309fe30e9f8ff687af8544c938ce019fbf690ea5b04f29e2802de0c5db7a9c493f4b9408ee638dd3ec33
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SSDEEP
6144:U76K/3FjtoELNzbxL9ts4KxYbYToO3AOGq8aDZ8eGiCjFZ1efKHPQfbmg6F5frbs:U76K/3FvbftsebYTPMuZ1CfYfbmL3
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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 (311) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
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Drops startup file
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Adds Run key to start application
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Drops desktop.ini file(s)
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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Target
002
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Size
560KB
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MD5
b0f46ff6a22ba47e9847c60bf231d16d
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SHA1
d6b9ef6687fda4bafcd335784fff4cacd96d9dde
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SHA256
bf43eafd9365c34862e9ff41857bfacb2649e37c405bec4dae099374146cda87
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SHA512
ba6c9845d951eccea8b39958e889a74697f0acb2080c70a715035ae39561d6c1abc8e4165b5d7a8f7b7d367dd9e1b0c6892981c45a062880c9aacbcee70b34b4
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SSDEEP
12288:tgwkjwm+jcxiEK6t4ttBxr0MRLC24RUe3Q1MjXStf:ewW0cDvXaLCJHQ1MStf
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Dharma
Dharma is a ransomware that uses security software installation to hide malicious activities.
-
Dharma family
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Renames multiple (314) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
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Drops startup file
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Adds Run key to start application
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Drops desktop.ini file(s)
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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
2Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1