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General
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Target
c05def803b54ab55f69d58a84bca34b32db3655aad0ce89473dadf2629f4cbe5
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Size
726KB
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Sample
220920-rktkcadcg5
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MD5
efe367087f3280a2f42344c3ac3a2d42
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SHA1
f2ef832ece8d9666bf2abf15de84eef475dde57a
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SHA256
c05def803b54ab55f69d58a84bca34b32db3655aad0ce89473dadf2629f4cbe5
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SHA512
305f7540576b1d2fef53612de3dcdadd910cd7c01ef011759a9b4b84e62b9b8d21362b8a247e213cd091da400f63c0883c7f83adcfa191c48903cddf11e066f8
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SSDEEP
12288:arbDO5fiqPLW+katdW8OgNBKnrEIcKGlqJUGgrUzyRIemZTswHOeo:arbS5fiKL0opOgNGAIcll3GgSxpp
Static task
static1
Behavioral task
behavioral1
Sample
c05def803b54ab55f69d58a84bca34b32db3655aad0ce89473dadf2629f4cbe5.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
c05def803b54ab55f69d58a84bca34b32db3655aad0ce89473dadf2629f4cbe5.exe
Resource
win10-20220812-en
Malware Config
Extracted
djvu
http://acacaca.org/test1/get.php
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extension
.mmpu
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offline_id
yd6oYv6aBN90yFzTWdZ34sXSXtXiauzOLXZyWht1
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payload_url
http://rgyui.top/dl/build2.exe
http://acacaca.org/files/1/build3.exe
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ransomnote
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Targets
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Target
c05def803b54ab55f69d58a84bca34b32db3655aad0ce89473dadf2629f4cbe5
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Size
726KB
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MD5
efe367087f3280a2f42344c3ac3a2d42
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SHA1
f2ef832ece8d9666bf2abf15de84eef475dde57a
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SHA256
c05def803b54ab55f69d58a84bca34b32db3655aad0ce89473dadf2629f4cbe5
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SHA512
305f7540576b1d2fef53612de3dcdadd910cd7c01ef011759a9b4b84e62b9b8d21362b8a247e213cd091da400f63c0883c7f83adcfa191c48903cddf11e066f8
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SSDEEP
12288:arbDO5fiqPLW+katdW8OgNBKnrEIcKGlqJUGgrUzyRIemZTswHOeo:arbS5fiKL0opOgNGAIcll3GgSxpp
Score10/10-
Detected Djvu ransomware
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Downloads MZ/PE 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 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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