General
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Target
setup.exe
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Size
685KB
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Sample
230320-nxbcradc99
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MD5
b600ff4696b8756f8a7584262f362008
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SHA1
d42330f85a3e5377d872f2acaac5559f71ebed6f
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SHA256
a789a915320dc2e5b19011f108d26990ad179d953b7d95d43b4054987960c8ff
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SHA512
018c3ed94811a73defc5315b13768c151c4fae97be8d9e0ae73678ffff6db4af724569942890569716972256945f41b6a94869dfc0c59aa99bddee233a4f4ede
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SSDEEP
12288:P5uSD4G6FcV9kajh9T85blJtIROWBH25dyWb6Z68xUZT7iMD/tOIPjrGmNXI:xlMl49MlJtmZ27yWWkkjY/tvraCX
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.dapo
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offline_id
8EM6M9LqEzIk18qaQ87WiPQ1u84RRdej5V1ovht1
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payload_url
http://uaery.top/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-vbVkogQdu2 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0667JOsie
Extracted
vidar
3
d6ef050131e7d5a1d595c51613328971
https://t.me/zaskullz
https://steamcommunity.com/profiles/76561199486572327
http://135.181.87.234:80
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profile_id_v2
d6ef050131e7d5a1d595c51613328971
Targets
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Target
setup.exe
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Size
685KB
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MD5
b600ff4696b8756f8a7584262f362008
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SHA1
d42330f85a3e5377d872f2acaac5559f71ebed6f
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SHA256
a789a915320dc2e5b19011f108d26990ad179d953b7d95d43b4054987960c8ff
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SHA512
018c3ed94811a73defc5315b13768c151c4fae97be8d9e0ae73678ffff6db4af724569942890569716972256945f41b6a94869dfc0c59aa99bddee233a4f4ede
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SSDEEP
12288:P5uSD4G6FcV9kajh9T85blJtIROWBH25dyWb6Z68xUZT7iMD/tOIPjrGmNXI:xlMl49MlJtmZ27yWWkkjY/tvraCX
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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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