General
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Target
9a827194f79fc1f285e2efa7c0e870209eb08d8c3de8ad4598f55b252cc0ecbf
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Size
744KB
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Sample
230607-3ymjqshh81
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MD5
0a368370ccaa4d0c7c80c5180906c5fe
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SHA1
b743f5704c5d7ebdb398f91e1732428678d52dba
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SHA256
9a827194f79fc1f285e2efa7c0e870209eb08d8c3de8ad4598f55b252cc0ecbf
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SHA512
23527febb2c6ae9dde9e4db50be971bca5c4057ecd2a0c341b566af48fcf15add6fd92afb20b3ad0ea4d3e7189707e34514bf286405d85db1240c440c41e7c5d
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SSDEEP
12288:eQ96n0aePqDAdBFwW0eThi1mwgCuUtYgwPb6XRB:ea605xfKWgmwgitnw+H
Static task
static1
Behavioral task
behavioral1
Sample
9a827194f79fc1f285e2efa7c0e870209eb08d8c3de8ad4598f55b252cc0ecbf.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.nerz
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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
9a827194f79fc1f285e2efa7c0e870209eb08d8c3de8ad4598f55b252cc0ecbf
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Size
744KB
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MD5
0a368370ccaa4d0c7c80c5180906c5fe
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SHA1
b743f5704c5d7ebdb398f91e1732428678d52dba
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SHA256
9a827194f79fc1f285e2efa7c0e870209eb08d8c3de8ad4598f55b252cc0ecbf
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SHA512
23527febb2c6ae9dde9e4db50be971bca5c4057ecd2a0c341b566af48fcf15add6fd92afb20b3ad0ea4d3e7189707e34514bf286405d85db1240c440c41e7c5d
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SSDEEP
12288:eQ96n0aePqDAdBFwW0eThi1mwgCuUtYgwPb6XRB:ea605xfKWgmwgitnw+H
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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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