General
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Target
steam_pfp_1.jfif
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Size
5KB
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Sample
240621-gt28qszbrg
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MD5
db49c318451e36edef4137e52013da0b
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SHA1
672212d918f7a67e9667efa50742d30f86663cf2
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SHA256
dcf6bfa9392179f23ce11d1fe78325845bf0d1a921b720ef3cd7878020623e42
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SHA512
5688a951972310da828bae076187e111adbd7670a8664a40ab6c26ffd4a85243a7c6a22c5482e889b8d058a0826c0654fd855035393a2ca747c4d5f2700f2e95
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SSDEEP
96:VWLxsrCRz/hrzk1aCJCUvY6gkBMmkSM8AkxudbpXSG1i:ETRzJ8DJRf3RxJYxpCyi
Static task
static1
Behavioral task
behavioral1
Sample
steam_pfp_1.jpg
Resource
win10-20240404-en
Malware Config
Targets
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Target
steam_pfp_1.jfif
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Size
5KB
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MD5
db49c318451e36edef4137e52013da0b
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SHA1
672212d918f7a67e9667efa50742d30f86663cf2
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SHA256
dcf6bfa9392179f23ce11d1fe78325845bf0d1a921b720ef3cd7878020623e42
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SHA512
5688a951972310da828bae076187e111adbd7670a8664a40ab6c26ffd4a85243a7c6a22c5482e889b8d058a0826c0654fd855035393a2ca747c4d5f2700f2e95
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SSDEEP
96:VWLxsrCRz/hrzk1aCJCUvY6gkBMmkSM8AkxudbpXSG1i:ETRzJ8DJRf3RxJYxpCyi
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Dharma
Dharma is a ransomware that uses security software installation to hide malicious activities.
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (442) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Downloads MZ/PE file
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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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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
4