General
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Target
build.exe
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Size
1.6MB
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Sample
240526-t7j1jach8z
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MD5
5c51643f4c3ca737d3162d82840761c7
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SHA1
dede91d3e74af7b5f67a65c0fffc2fc8ca349b32
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SHA256
5a7f0ae453a4302dc288e00b6392923906ead1f181d338ab1c02a4a78f78593b
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SHA512
8215fb4221a725918e6eb89cb7e755c185eff496e4b0d3116898411ac73841fffaed4ebfb1d1de512b61e676950b5ceec115f1533622a40ed1a51abf2ecb6468
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SSDEEP
49152:ULTq24GjdGSiqkqXfd+/9AqYanieKdQc:UiEjdGSiqkqXf0FLYW
Behavioral task
behavioral1
Sample
build.exe
Resource
win11-20240419-en
Malware Config
Extracted
stealerium
https://discord.com/api/webhooks/1244281935228965048/sJAD8BhTylLJViwx58UHGY7unbr6jQqQZSC4HrgK1L_fWJYHE1waujg1JuSnxcq9zxf6
Extracted
C:\Users\Admin\AppData\Local\Temp\Temp1_Ransomware.WannaCry.zip\@[email protected]
wannacry
12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw
Targets
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Target
build.exe
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Size
1.6MB
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MD5
5c51643f4c3ca737d3162d82840761c7
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SHA1
dede91d3e74af7b5f67a65c0fffc2fc8ca349b32
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SHA256
5a7f0ae453a4302dc288e00b6392923906ead1f181d338ab1c02a4a78f78593b
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SHA512
8215fb4221a725918e6eb89cb7e755c185eff496e4b0d3116898411ac73841fffaed4ebfb1d1de512b61e676950b5ceec115f1533622a40ed1a51abf2ecb6468
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SSDEEP
49152:ULTq24GjdGSiqkqXfd+/9AqYanieKdQc:UiEjdGSiqkqXf0FLYW
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Modifies Installed Components in the registry
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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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Modifies file permissions
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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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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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Defense Evasion
File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Indicator Removal
1File Deletion
1Modify Registry
5