General
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Target
a9745e8b2c41acee769ec0e28c1d73adb4d664a93da8724ff187bcdcb2994e12_JC.exe
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Size
310KB
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Sample
230925-tqtteagf9x
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MD5
a6e293deb8a7f51a306f4129bd1e0468
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SHA1
26587da8f2fba983e2cac67d4e2bc1a692eced25
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SHA256
a9745e8b2c41acee769ec0e28c1d73adb4d664a93da8724ff187bcdcb2994e12
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SHA512
ee44e03101b8c65571213eb9d8483d559b8a1f405e4d2e17ef3e99a00d8dbb08da33ae771a9a2ea97bdf96c46cabacec4d0cfc64c271bd0997fd0c316a036b9e
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SSDEEP
6144:J7rslT/knvHRbSU3Cm+T+pPCbIG51HmPIL:dkTsvHNSUymhC04GP4
Static task
static1
Behavioral task
behavioral1
Sample
a9745e8b2c41acee769ec0e28c1d73adb4d664a93da8724ff187bcdcb2994e12_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
a9745e8b2c41acee769ec0e28c1d73adb4d664a93da8724ff187bcdcb2994e12_JC.exe
Resource
win10v2004-20230915-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/
Extracted
redline
LogsDiller Cloud (TG: @logsdillabot)
146.59.10.173:45035
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auth_value
3a050df92d0cf082b2cdaf87863616be
Extracted
djvu
http://zexeq.com/lancer/get.php
http://zexeq.com/raud/get.php
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extension
.azop
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offline_id
GQ9DjFmWFDqpsyzsOnaxE1Xr4MPL1dG4vPfPDNt1
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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-e5pgPH03fe 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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0792
Extracted
smokeloader
up3
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Extracted
smokeloader
pub1
Targets
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Target
a9745e8b2c41acee769ec0e28c1d73adb4d664a93da8724ff187bcdcb2994e12_JC.exe
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Size
310KB
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MD5
a6e293deb8a7f51a306f4129bd1e0468
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SHA1
26587da8f2fba983e2cac67d4e2bc1a692eced25
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SHA256
a9745e8b2c41acee769ec0e28c1d73adb4d664a93da8724ff187bcdcb2994e12
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SHA512
ee44e03101b8c65571213eb9d8483d559b8a1f405e4d2e17ef3e99a00d8dbb08da33ae771a9a2ea97bdf96c46cabacec4d0cfc64c271bd0997fd0c316a036b9e
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SSDEEP
6144:J7rslT/knvHRbSU3Cm+T+pPCbIG51HmPIL:dkTsvHNSUymhC04GP4
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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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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Downloads MZ/PE file
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Drops file in Drivers directory
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Stops running service(s)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself
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Drops startup 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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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
1Modify Registry
2Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1