General
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Target
f258d8d14ba843a8e3dd01709c9253c8.exe
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Size
175KB
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Sample
231002-3qtcbaha82
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MD5
f258d8d14ba843a8e3dd01709c9253c8
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SHA1
9fadc12c78bc6b0747680c8d30cd074b0a6894e9
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SHA256
ec939e01375137a7b35b99ed96fd44a52970efccf532eb2088f423531a9e429c
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SHA512
669ba3d5b01228b405a51282c722a2777d99ca369d4f8e9485f50451a6b7a671993dd8773610f997c529d3595aa89517fba0898f999a30a33515f001286cbc83
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SSDEEP
3072:B3NvfshUKee5ivyM2Em+Nay4V1ERc6g3DTMkCznXEhygW:OUHvyIm+NQVSRcMEyx
Static task
static1
Behavioral task
behavioral1
Sample
f258d8d14ba843a8e3dd01709c9253c8.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
f258d8d14ba843a8e3dd01709c9253c8.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
smokeloader
2022
http://77.91.68.29/fks/
Extracted
amadey
3.89
http://77.91.124.1/theme/index.php
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install_dir
fefffe8cea
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install_file
explothe.exe
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strings_key
36a96139c1118a354edf72b1080d4b2f
Extracted
smokeloader
up3
Extracted
redline
@ytlogsbot
176.123.4.46:33783
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auth_value
295b226f1b63bcd55148625381b27b19
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Extracted
redline
clientfile
194.180.49.159:80
Extracted
redline
jordan
77.91.124.55:19071
Extracted
redline
larek
77.91.124.55:19071
Extracted
smokeloader
4000
Targets
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Target
f258d8d14ba843a8e3dd01709c9253c8.exe
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Size
175KB
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MD5
f258d8d14ba843a8e3dd01709c9253c8
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SHA1
9fadc12c78bc6b0747680c8d30cd074b0a6894e9
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SHA256
ec939e01375137a7b35b99ed96fd44a52970efccf532eb2088f423531a9e429c
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SHA512
669ba3d5b01228b405a51282c722a2777d99ca369d4f8e9485f50451a6b7a671993dd8773610f997c529d3595aa89517fba0898f999a30a33515f001286cbc83
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SSDEEP
3072:B3NvfshUKee5ivyM2Em+Nay4V1ERc6g3DTMkCznXEhygW:OUHvyIm+NQVSRcMEyx
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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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Detects Healer an antivirus disabler dropper
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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 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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Uses the VBS compiler for execution
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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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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
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Impair Defenses
2Disable or Modify Tools
2Modify Registry
4Scripting
1Subvert Trust Controls
1Install Root Certificate
1