General
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Target
4506b8d75ebfa7568e425037279230b1339469b39029d684c12c3bd81d9b4248
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Size
728KB
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Sample
240520-s2tgcafg37
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MD5
e12909cffd6d09bcf75f0db7e498c03a
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SHA1
f15fd53344c0d5c5beb283244245792030d09e4c
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SHA256
4506b8d75ebfa7568e425037279230b1339469b39029d684c12c3bd81d9b4248
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SHA512
3f8c1a4a95d626a6cd2febe9de1d46496f4a72e92c4d5d970fb7eae662c6e3f9a42b76b0054526df40c9b841a0f862d54c5da7bb3640698741df154b6d1fe0c4
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SSDEEP
12288:jbZxTQrdsTzjcddlpGsPP+/wbJ8Gz7RvovMcCOoY051q0:kpsTzYddlxYC8G3Wvp6rq0
Static task
static1
Behavioral task
behavioral1
Sample
4506b8d75ebfa7568e425037279230b1339469b39029d684c12c3bd81d9b4248.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
4506b8d75ebfa7568e425037279230b1339469b39029d684c12c3bd81d9b4248.exe
Resource
win10v2004-20240508-en
Malware Config
Extracted
djvu
http://cajgtus.com/test1/get.php
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extension
.vepi
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offline_id
EGfa5svnSGFJka7LZBQoqff0QtO1IpTauoDvGvt1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://cajgtus.com/files/1/build3.exe
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ransomnote
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Targets
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Target
4506b8d75ebfa7568e425037279230b1339469b39029d684c12c3bd81d9b4248
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Size
728KB
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MD5
e12909cffd6d09bcf75f0db7e498c03a
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SHA1
f15fd53344c0d5c5beb283244245792030d09e4c
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SHA256
4506b8d75ebfa7568e425037279230b1339469b39029d684c12c3bd81d9b4248
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SHA512
3f8c1a4a95d626a6cd2febe9de1d46496f4a72e92c4d5d970fb7eae662c6e3f9a42b76b0054526df40c9b841a0f862d54c5da7bb3640698741df154b6d1fe0c4
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SSDEEP
12288:jbZxTQrdsTzjcddlpGsPP+/wbJ8Gz7RvovMcCOoY051q0:kpsTzYddlxYC8G3Wvp6rq0
Score10/10-
Detected Djvu ransomware
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Modifies file permissions
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Adds Run key to start application
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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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