General
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Target
6df2cb13cc18d164b4630aa64bcec4752e1b3d083e4680a310a3eafd56cf74ce
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Size
734KB
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Sample
230424-a66ncsae4v
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MD5
2af635966063f2104e61c7e7dc2b5184
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SHA1
b857a11e0ffd7e39597e63df141f3ff09d822c04
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SHA256
6df2cb13cc18d164b4630aa64bcec4752e1b3d083e4680a310a3eafd56cf74ce
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SHA512
a0a3226ed065b54ecd96b0e658a4b7ae63a4a3ba3f331f4dad84cef58dd007f34e90542f6cda5575fd120aebfca872176b1497102c7a58ee683714d7c770df97
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SSDEEP
12288:6m8Qqjgfwzi5jcXZ/ynIoJCLV0doTbENa+Mx6TPQwntTTqFCD5Ayzn73:R8tmRIDLV0G9+Mx6TPfToCD5rz
Static task
static1
Behavioral task
behavioral1
Sample
6df2cb13cc18d164b4630aa64bcec4752e1b3d083e4680a310a3eafd56cf74ce.exe
Resource
win10-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/raud/get.php
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extension
.coza
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offline_id
O8Ao46dcCReRPC4I1PGMYsRFFc9WI5eOp0O3MFt1
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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
3.5
bf58e1879f88b222ba2391682babf9d8
https://steamcommunity.com/profiles/76561199497218285
https://t.me/tg_duckworld
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profile_id_v2
bf58e1879f88b222ba2391682babf9d8
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user_agent
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7
Targets
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Target
6df2cb13cc18d164b4630aa64bcec4752e1b3d083e4680a310a3eafd56cf74ce
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Size
734KB
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MD5
2af635966063f2104e61c7e7dc2b5184
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SHA1
b857a11e0ffd7e39597e63df141f3ff09d822c04
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SHA256
6df2cb13cc18d164b4630aa64bcec4752e1b3d083e4680a310a3eafd56cf74ce
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SHA512
a0a3226ed065b54ecd96b0e658a4b7ae63a4a3ba3f331f4dad84cef58dd007f34e90542f6cda5575fd120aebfca872176b1497102c7a58ee683714d7c770df97
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SSDEEP
12288:6m8Qqjgfwzi5jcXZ/ynIoJCLV0doTbENa+Mx6TPQwntTTqFCD5Ayzn73:R8tmRIDLV0G9+Mx6TPfToCD5rz
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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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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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