General
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Target
LDPlayer9_vn_1003_CjwKCAjw1emzBhB8EiwAHwZZxWtNl3IEA0x9sc31PjIzcdYfkNjH0wcWdDj2avCzD0lx7NJQYWFR7RoCn4kQAvD_BwE_ld.exe
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Size
12.3MB
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Sample
240626-fh5daawdkh
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MD5
757987a8437039276dad42102cba8f23
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SHA1
9a1ba7bdf9ecc849525bb099bbd9d277dd46da15
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SHA256
e3e2b21dee0127cb9ea06ae7184665284d36413d38146c252bf6fd8812e600ae
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SHA512
9ebab1a503184ce029c319413c4c0698ee3ae0a71d3363f191b3464f7ab7b35d561c36489478bb481c734974ff3f469f4e3d5e0c553c7af88341dc2950af19a6
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SSDEEP
393216:nBHhaxbxp41TXj2w5311sHznZc+TEI4gw6:B8bxWT6w5AbZbTNC
Static task
static1
Behavioral task
behavioral1
Sample
LDPlayer9_vn_1003_CjwKCAjw1emzBhB8EiwAHwZZxWtNl3IEA0x9sc31PjIzcdYfkNjH0wcWdDj2avCzD0lx7NJQYWFR7RoCn4kQAvD_BwE_ld.exe
Resource
win11-20240611-en
Malware Config
Extracted
C:\Users\Admin\Downloads\Ransomware.WannaCry\@[email protected]
wannacry
115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn
Targets
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Target
LDPlayer9_vn_1003_CjwKCAjw1emzBhB8EiwAHwZZxWtNl3IEA0x9sc31PjIzcdYfkNjH0wcWdDj2avCzD0lx7NJQYWFR7RoCn4kQAvD_BwE_ld.exe
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Size
12.3MB
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MD5
757987a8437039276dad42102cba8f23
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SHA1
9a1ba7bdf9ecc849525bb099bbd9d277dd46da15
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SHA256
e3e2b21dee0127cb9ea06ae7184665284d36413d38146c252bf6fd8812e600ae
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SHA512
9ebab1a503184ce029c319413c4c0698ee3ae0a71d3363f191b3464f7ab7b35d561c36489478bb481c734974ff3f469f4e3d5e0c553c7af88341dc2950af19a6
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SSDEEP
393216:nBHhaxbxp41TXj2w5311sHznZc+TEI4gw6:B8bxWT6w5AbZbTNC
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Creates new service(s)
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Manipulates Digital Signatures
Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.
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Possible privilege escalation attempt
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Drops startup file
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Modifies file permissions
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Adds Run key to start application
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Downloads MZ/PE file
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File and Directory Permissions Modification: Windows File and Directory Permissions Modification
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Legitimate hosting services abused for malware hosting/C2
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in System32 directory
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Execution
System Services
1Service Execution
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Indicator Removal
1File Deletion
1Modify Registry
4Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1SIP and Trust Provider Hijacking
1