General
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Target
e8a04251ecbc3bbb345b16f96a1c3988bdc86a887d6c1682458bf73ae52977fb
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Size
668KB
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Sample
221019-3f3g8schg2
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MD5
28310af722e92dbbef506db81aeb057b
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SHA1
b40d069d9d9704b899c18d2d70092f8f4c4f5b3a
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SHA256
a09043cc1371e99f23bec0498bfd2df6799ee02749a2b4a278e388dcfd484d6e
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SHA512
1440f6f8b563788abfad2d9176962d3d9559f564eca3232833a34daae26d0a9c36fadb9ac25459865167578a6202d54c50f6af2ffc45c4667a9e13b7e4ab86d5
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SSDEEP
12288:Lthq+ggAiV1YXbaRMvKeq7hmSnPpNLEAKv0ovdHekbN:Lrq+lpVqXbEUKuSnB1EAK8O+kx
Static task
static1
Behavioral task
behavioral1
Sample
e8a04251ecbc3bbb345b16f96a1c3988bdc86a887d6c1682458bf73ae52977fb.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
e8a04251ecbc3bbb345b16f96a1c3988bdc86a887d6c1682458bf73ae52977fb.exe
Resource
win10v2004-20220901-en
Malware Config
Extracted
djvu
http://winnlinne.com/test1/get.php
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extension
.tuis
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offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
55.1
517
https://t.me/tg_privatetalk
https://nerdculture.de/@yixehi33
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profile_id
517
Targets
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Target
e8a04251ecbc3bbb345b16f96a1c3988bdc86a887d6c1682458bf73ae52977fb
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Size
748KB
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MD5
5a99d0c9ae8116b3a4bd4bf1684abf82
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SHA1
405829b839fd64ba92e37eec719f593aced68634
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SHA256
e8a04251ecbc3bbb345b16f96a1c3988bdc86a887d6c1682458bf73ae52977fb
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SHA512
6ba4025c8948bbb452b9cc8f8bead5234aa3fdb13313f257fec7ddc5f8facee50079737d7ce5324ae98fb2347b2aed6d0a424eff17d337bc4813ac455f84db27
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SSDEEP
12288:bw9ZX6kSyLciV1GXrcNMvgeu/hYsrPpNBqAMv0edd17:bUYy5VsXrAUgusrBPqAM8Ux
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Detected Djvu ransomware
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Downloads MZ/PE file
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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