General
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Target
3b73c4da6f2bda6ebc26552afccbfd8c097a5a3195fd2593840d9ea7712b7120.zip
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Size
156KB
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Sample
231013-r1kblscd53
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MD5
366e1af93a8850af17ca5fd8db12be7c
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SHA1
66aaa959b96cfe5925f16fcd0345aa31765cc1ee
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SHA256
b345ca54f7ce0dadbdfe7ba739bdaee8f8f07118f751b2dc319806e62d0665a4
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SHA512
13fc9582688052be3bca786804a109407e0ca84dac0fbe70000f3f8d6cbc77bb7e470a59f891d6c697ad53a06f502c4d9e914ebaff97a027ac21e4e5c37f0dab
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SSDEEP
3072:tu7Sqs/VmcSrxBPBlsZfEipKQdmdTOXA5Lv/4ocS:tu7SqsPSrxBMZfEipKimdcoLv/4RS
Static task
static1
Behavioral task
behavioral1
Sample
3b73c4da6f2bda6ebc26552afccbfd8c097a5a3195fd2593840d9ea7712b7120.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
3b73c4da6f2bda6ebc26552afccbfd8c097a5a3195fd2593840d9ea7712b7120.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
smokeloader
2022
http://onualituyrs.org/
http://sumagulituyo.org/
http://snukerukeutit.org/
http://lightseinsteniki.org/
http://liuliuoumumy.org/
http://stualialuyastrelia.net/
http://kumbuyartyty.net/
http://criogetikfenbut.org/
http://tonimiuyaytre.org/
http://tyiuiunuewqy.org/
http://wirtshauspost.at/tmp/
http://msktk.ru/tmp/
http://soetegem.com/tmp/
http://gromograd.ru/tmp/
http://talesofpirates.net/tmp/
Extracted
djvu
http://zexeq.com/raud/get.php
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extension
.mlrd
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offline_id
FjtJkuhRHnUARRt9GnbbgUTa6ErhJq4ZM668xSt1
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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
amadey
3.87
http://79.137.192.18/9bDc8sQ/index.php
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install_dir
577f58beff
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install_file
yiueea.exe
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strings_key
a5085075a537f09dec81cc154ec0af4d
Extracted
vidar
6
d37c48c18c73cc0e155c7e1dfde06db9
https://steamcommunity.com/profiles/76561199560322242
https://t.me/cahalgo
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profile_id_v2
d37c48c18c73cc0e155c7e1dfde06db9
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user_agent
Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/111.0 uacq
Extracted
redline
LogsDiller Cloud (TG: @logsdillabot)
51.255.152.132:36011
Extracted
Protocol: ftp- Host:
195.85.115.195 - Port:
21 - Username:
TEST3 - Password:
159753
Extracted
Protocol: ftp- Host:
195.85.115.195 - Port:
21 - Username:
test - Password:
test
Extracted
smokeloader
pub1
Targets
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Target
3b73c4da6f2bda6ebc26552afccbfd8c097a5a3195fd2593840d9ea7712b7120.exe
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Size
248KB
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MD5
612329d2eb087fbd07b2ce2b13313502
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SHA1
60513340e45a76b711d707989a6f70147fd8e0e5
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SHA256
3b73c4da6f2bda6ebc26552afccbfd8c097a5a3195fd2593840d9ea7712b7120
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SHA512
d5ab8e95deff7e1f66cb50346633101c61c00cd1a906d2192fdc1b7cb37468bad1ba20f856daf2b75bf7a08107050e61a5ab0ac88cb3a2a2549174ee30d3c559
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SSDEEP
3072:3Xxrd/bzKNiBdZqRiSEH0WmWRzOoSxgXi+s9uG5iEypg0THEu:nXbCizURqH0yRqoSmy+s9SvT7
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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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Glupteba payload
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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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Downloads MZ/PE file
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Modifies Windows Firewall
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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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 Microsoft Outlook profiles
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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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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
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
1Modify Registry
3Subvert Trust Controls
1Install Root Certificate
1