General
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Target
af5bde79a81f40f3f422fc951e9e02e17306157a0e9f109a0c7e4c8c70668c7a
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Size
1002KB
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Sample
241121-fmmzsstldr
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MD5
bfa32c901bdbc671b281afa06c7c0991
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SHA1
049ca7c6d67847d63883f4937d22f678a4d43d55
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SHA256
af5bde79a81f40f3f422fc951e9e02e17306157a0e9f109a0c7e4c8c70668c7a
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SHA512
9a8fe8fc84a888b31e2a6bfcbf57f50b94945c3721d827de3c4f06c4442d675b7540fe0702caa567a9c85efc752aca591067584c79a945801e34f1b617c60e4b
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SSDEEP
24576:/x+ZSn1iLZFVWR4bn/bIop/RN3eGY+YYz3smv:/zn0Wgn/bIo1jeG1Smv
Static task
static1
Behavioral task
behavioral1
Sample
RFQ.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
RFQ.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
RemoteHost
154.216.16.54:6092
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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
true
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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
remcos
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mouse_option
false
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mutex
Rmc-YJ70D0
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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
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take_screenshot_option
true
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take_screenshot_time
5
Targets
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Target
RFQ.exe
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Size
1.4MB
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MD5
a88b0ddc1c80b37e8af7ca017929bf88
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SHA1
601ae4b9be7c6619680d6ac19e4dae3acb572464
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SHA256
9b6c97ad4d3d563b1bf7330e0aef16649514a1e0ac422bf99368bbb5a0069c4c
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SHA512
a776e6d0db9c16ed2b2ce90ed06f3cdc4101e05399503c201a8c409a3d4b8b846d7a6dce5ca634199946962a6655788b7d6bed44509e76bd69a7590c3dbbe927
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SSDEEP
24576:ozsSzxWeyf1eLZajkRqxnTf/7UeCL4EryZNK0P+:ozsUW5fJkUnTfDUe04Ee7bW
Score10/10-
Remcos family
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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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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Adds Run key to start application
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Suspicious use of SetThreadContext
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