Resubmissions
05-02-2025 18:49
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250205-lgd3lazqe1 605-02-2025 07:57
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250204-tww6qa1ray 604-02-2025 16:16
250204-tq96dstkcn 1022-01-2025 11:24
250122-nh5m2svlcr 6Analysis
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max time kernel
300s -
max time network
275s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
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submitted
04-02-2025 16:16
General
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Target
2025-01-22_21d52d07f0f04e0934011978a85e6a15_avoslocker_luca-stealer.exe
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Size
3.3MB
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MD5
21d52d07f0f04e0934011978a85e6a15
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SHA1
07647f0eddf46d19e0864624b22236b2cdf561a1
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SHA256
35612c79bde985c957ba521bbc7aa8541c31fb235ca7a91d0ee225f988921eb4
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SHA512
0338a651fbbbd327dc4fa97f72106db9dafced3226823b2149ec2567745c492c051b9a6a2210ccc0ffc5345a6dad9f3764aeed5cd77562ab6202dd977c59480a
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SSDEEP
98304:8KsW1+M5NCnvjZEb9B7Z9B7Gy5p6v8u9B7:81yy2j7Zj7j5p6Rj7
Malware Config
Extracted
remcos
fuck
republicadominica2025.ip-ddns.com:30202
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audio_folder
MicRecords
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audio_path
ApplicationPath
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
rostad
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mouse_option
false
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mutex
iwebfiewbfihbewlfkm-WH4782
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
- startup_value
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Remcos
Remcos is a closed-source remote control and surveillance software.
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Remcos family
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Downloads MZ/PE file 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Suspicious use of SetThreadContext 2 IoCs
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Program crash 1 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 16 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-22_21d52d07f0f04e0934011978a85e6a15_avoslocker_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-22_21d52d07f0f04e0934011978a85e6a15_avoslocker_luca-stealer.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"2⤵
- Downloads MZ/PE file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5332 -s 1602⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5332 -ip 53321⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
102B
MD532ec8f6d071c994940497e8d456729a2
SHA1258b73ff2e3afe3290885010c8eff259d8ae404e
SHA256ecd2b5558b2a064b1095b33832bf580897edbb9e35aed27e67421a15e770055b
SHA51261430914d2ab978c97b23fab2562757e5a6ef93584e92c77c5f2bc566676d11ac67665b98e777562c11f6b2abc812cb48909e4d73ec4d96004061c5b7d391f30
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Filesize
512KB
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Filesize
512KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
64KB
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Filesize
800KB
-
Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
-
Filesize
780KB
-
Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
64KB
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Filesize
780KB
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Filesize
4KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
780KB
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Filesize
568KB
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Filesize
780KB
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Filesize
780KB
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Filesize
344KB
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Filesize
304KB
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Filesize
408KB
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Filesize
336KB
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Filesize
4KB
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Filesize
180KB
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Filesize
3.3MB
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Filesize
368KB
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Filesize
3.3MB