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General
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Target
902796b39890a6fa63283b0fc5a07500d49071046a0e4051e0f9eba6c07540b6
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Size
180KB
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Sample
230213-bzyjvahh99
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MD5
0c1ecbc874d13b9d9b4c29cf0a74fc3f
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SHA1
1b590a1d85a8c9080b1e12372200b9eb606b0ff6
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SHA256
902796b39890a6fa63283b0fc5a07500d49071046a0e4051e0f9eba6c07540b6
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SHA512
11acb82ab64e9d644741c4edbd65a48add635e1c8e4316e12f82bebab66fd43865e86cf80f050a18abfe0620c43eb36b530c0afd2d583cfbe736294cb356c252
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SSDEEP
3072:HYKq5zdE35XtPmIC5qNK3REYnStkovr6DfLlMVvrdIMBQOm0/6:HnEdEBtPmZkNYREYStADfk5I2W
Static task
static1
Behavioral task
behavioral1
Sample
902796b39890a6fa63283b0fc5a07500d49071046a0e4051e0f9eba6c07540b6.exe
Resource
win10-20220901-en
Malware Config
Extracted
djvu
http://bihsy.com/lancer/get.php
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extension
.vvoo
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offline_id
9c20OtJsXdFeF07b1IeFK5ERGv1zIb659YG380t1
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payload_url
http://uaery.top/dl/build2.exe
http://bihsy.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
2.4
19
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profile_id
19
Extracted
laplas
http://45.159.189.105
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api_key
ad75d4e2e9636ca662a337b6e798d36159f23acfc89bbe9400d0d451bd8d69fd
Targets
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Target
902796b39890a6fa63283b0fc5a07500d49071046a0e4051e0f9eba6c07540b6
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Size
180KB
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MD5
0c1ecbc874d13b9d9b4c29cf0a74fc3f
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SHA1
1b590a1d85a8c9080b1e12372200b9eb606b0ff6
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SHA256
902796b39890a6fa63283b0fc5a07500d49071046a0e4051e0f9eba6c07540b6
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SHA512
11acb82ab64e9d644741c4edbd65a48add635e1c8e4316e12f82bebab66fd43865e86cf80f050a18abfe0620c43eb36b530c0afd2d583cfbe736294cb356c252
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SSDEEP
3072:HYKq5zdE35XtPmIC5qNK3REYnStkovr6DfLlMVvrdIMBQOm0/6:HnEdEBtPmZkNYREYStADfk5I2W
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Detect rhadamanthys stealer shellcode
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Detected Djvu ransomware
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Detects Smokeloader packer
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Blocklisted process makes network request
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Downloads MZ/PE file
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Deletes itself
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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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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Accesses Microsoft Outlook profiles
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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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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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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v6
Persistence
Modify Existing Service
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
Disabling Security Tools
1File and Directory Permissions Modification
1Modify Registry
2Web Service
1