General
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Target
b32e505f6b6703167ca9ba5fc84e838f2d377bb648a3df1ca358a801ad17bc2b
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Size
743KB
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Sample
230607-22qj5aha42
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MD5
837c2d18732caf818b0d3c5a2fe16e9d
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SHA1
f7a7fd80b6d1dde003a3558bdc01ea3b81ce49b4
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SHA256
b32e505f6b6703167ca9ba5fc84e838f2d377bb648a3df1ca358a801ad17bc2b
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SHA512
1b3519347c5a5d900532505f371060ce70411aae2f0d3fb37672104c0816848e392347c3a0177803038ecf15a66d9e1282aa6f80976e0ec817cf71d5345590fa
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SSDEEP
12288:0egKXZk/7yjP0SB5LTAkr10nJELpAGXkm0D76r4b93EWRMzwqf+:05IZk6sGQkB0aLKGXkLvzb93Piw
Static task
static1
Behavioral task
behavioral1
Sample
b32e505f6b6703167ca9ba5fc84e838f2d377bb648a3df1ca358a801ad17bc2b.exe
Resource
win10v2004-20230221-en
Malware Config
Extracted
djvu
http://zexeq.com/raud/get.php
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extension
.neon
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offline_id
0vTA6MA1m5nzrdffOCJC7YmAa4Lp6YNN8lOJ4mt1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
4.2
a81bcf59d85e6e13257840e65b9d1da8
https://steamcommunity.com/profiles/76561199511129510
https://t.me/rechnungsbetrag
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profile_id_v2
a81bcf59d85e6e13257840e65b9d1da8
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user_agent
Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.38 Safari/537.36 Brave/75
Targets
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Target
b32e505f6b6703167ca9ba5fc84e838f2d377bb648a3df1ca358a801ad17bc2b
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Size
743KB
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MD5
837c2d18732caf818b0d3c5a2fe16e9d
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SHA1
f7a7fd80b6d1dde003a3558bdc01ea3b81ce49b4
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SHA256
b32e505f6b6703167ca9ba5fc84e838f2d377bb648a3df1ca358a801ad17bc2b
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SHA512
1b3519347c5a5d900532505f371060ce70411aae2f0d3fb37672104c0816848e392347c3a0177803038ecf15a66d9e1282aa6f80976e0ec817cf71d5345590fa
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SSDEEP
12288:0egKXZk/7yjP0SB5LTAkr10nJELpAGXkm0D76r4b93EWRMzwqf+:05IZk6sGQkB0aLKGXkLvzb93Piw
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Detected Djvu ransomware
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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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