General
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Target
file.exe
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Size
272KB
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Sample
230525-lmma6ahb82
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MD5
4231da1fb38077f0475a29930c760165
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SHA1
0702058f9a9a589710a0042fb6bcb28a59259a46
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SHA256
4a7c67b1f968f885eccadb8c083c47c773fcb22b5025e061f31c38bd6b9be916
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SHA512
43d10156b8145503598b677a3a33e25c0993e1485bbe86dda8ca4421a4fb55cabefea0ce7397ccf757b34314750d3fbe6026902f4fb0c81d1f2ced9ec74e9626
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SSDEEP
6144:lGspRvj4jgqhSh06E5NlH94GYRAJXtkkJz3+Q8:ldvkjBhShs36AJ9Pzu
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
smokeloader
2022
http://potunulit.org/
http://hutnilior.net/
http://bulimu55t.net/
http://soryytlic4.net/
http://novanosa5org.org/
http://nuljjjnuli.org/
http://tolilolihul.net/
http://somatoka51hub.net/
http://hujukui3.net/
http://bukubuka1.net/
http://golilopaster.org/
http://newzelannd66.org/
http://otriluyttn.org/
http://stalagmijesarl.com/
http://ukdantist-sarl.com/
http://cpcorprotationltd.com/
Extracted
djvu
http://zexeq.com/raud/get.php
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extension
.vapo
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offline_id
BUcuB8PRg0LNi380axIJs5BS8nCUdeo9U88L2Lt1
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payload_url
http://colisumy.com/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-tnzomMj6HU 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: 0717JOsie
Extracted
smokeloader
summ
Extracted
vidar
4
e44c96dfdf315ccf17cdd4b93cfe6e48
https://steamcommunity.com/profiles/76561199508624021
https://t.me/looking_glassbot
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profile_id_v2
e44c96dfdf315ccf17cdd4b93cfe6e48
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user_agent
Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36
Extracted
smokeloader
pub1
Extracted
amadey
3.67
45.9.74.80/0bjdn2Z/index.php
Targets
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Target
file.exe
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Size
272KB
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MD5
4231da1fb38077f0475a29930c760165
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SHA1
0702058f9a9a589710a0042fb6bcb28a59259a46
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SHA256
4a7c67b1f968f885eccadb8c083c47c773fcb22b5025e061f31c38bd6b9be916
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SHA512
43d10156b8145503598b677a3a33e25c0993e1485bbe86dda8ca4421a4fb55cabefea0ce7397ccf757b34314750d3fbe6026902f4fb0c81d1f2ced9ec74e9626
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SSDEEP
6144:lGspRvj4jgqhSh06E5NlH94GYRAJXtkkJz3+Q8:ldvkjBhShs36AJ9Pzu
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Detected Djvu ransomware
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Modifies security service
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Downloads MZ/PE file
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Stops running service(s)
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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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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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Legitimate hosting services abused for malware hosting/C2
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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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Drops file in System32 directory
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Suspicious use of SetThreadContext
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