General
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Target
file.exe
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Size
299KB
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Sample
230207-at2tmsgf52
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MD5
b842a479439da33afaf7571f90418b57
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SHA1
ee7441abb41772d7541ba5764c1c3b548db165a9
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SHA256
a43c1ed3070d931a00375a8bb6a89f6459fa156e9ff16dc5272094265b9861c3
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SHA512
dc54c3e7532c274823faa075cf38a36af20558bbb367aa4265e0daa5edd1589ea846c9266b193b417beb03802701d8688cea2f0910bc96454b0628f4ce2de3e9
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SSDEEP
3072:2Lb6brLL4dRm3RAMnw3ITLnJW8DSdeW91buQjiMTE52l0a5D:OULL4y3xPLnUF9puQj9Ka
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
djvu
http://bihsy.com/lancer/get.php
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extension
.erop
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offline_id
xVB7l5LcUtDGyghMgGsTvebrKc0RGgDXlN1BoKt1
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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
amadey
3.65
77.73.134.27/8bmdh3Slb2/index.php
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
file.exe
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Size
299KB
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MD5
b842a479439da33afaf7571f90418b57
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SHA1
ee7441abb41772d7541ba5764c1c3b548db165a9
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SHA256
a43c1ed3070d931a00375a8bb6a89f6459fa156e9ff16dc5272094265b9861c3
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SHA512
dc54c3e7532c274823faa075cf38a36af20558bbb367aa4265e0daa5edd1589ea846c9266b193b417beb03802701d8688cea2f0910bc96454b0628f4ce2de3e9
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SSDEEP
3072:2Lb6brLL4dRm3RAMnw3ITLnJW8DSdeW91buQjiMTE52l0a5D:OULL4y3xPLnUF9puQj9Ka
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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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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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 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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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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Suspicious use of SetThreadContext
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