General
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Target
MalwareBazaar.1
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Size
903KB
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Sample
240723-m4w3cstakn
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MD5
e34683e560b0c2a5cddcffe98956ea62
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SHA1
89a3dc3e4b06a8c4bd94bffc48adac82e620d910
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SHA256
f377f9ebb865d686833a830718e6d4eb3898a20e87b0b89e26436c10496c5054
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SHA512
4bf4a8fef3b740ba3e6a04bedaaa90970a60b72fc950d53de6e2bf597d89d5d399f9258f9f8088f0ea6304bfa219c5537271c9df59c463893d9589370a27ebff
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SSDEEP
24576:7CHszWooWQhqSJgZjY0ZbnC8DOCZs64HE:7CHNtqSEY0ZbntQ64HE
Static task
static1
Behavioral task
behavioral1
Sample
MalwareBazaar.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
MalwareBazaar.exe
Resource
win10v2004-20240709-en
Malware Config
Extracted
remcos
2404
107.173.4.16:2404
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audio_folder
MicRecords
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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
true
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hide_keylog_file
false
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install_flag
true
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install_path
%AppData%
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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-QBT08L
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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
false
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take_screenshot_time
5
Targets
-
-
Target
MalwareBazaar.1
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Size
903KB
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MD5
e34683e560b0c2a5cddcffe98956ea62
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SHA1
89a3dc3e4b06a8c4bd94bffc48adac82e620d910
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SHA256
f377f9ebb865d686833a830718e6d4eb3898a20e87b0b89e26436c10496c5054
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SHA512
4bf4a8fef3b740ba3e6a04bedaaa90970a60b72fc950d53de6e2bf597d89d5d399f9258f9f8088f0ea6304bfa219c5537271c9df59c463893d9589370a27ebff
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SSDEEP
24576:7CHszWooWQhqSJgZjY0ZbnC8DOCZs64HE:7CHNtqSEY0ZbntQ64HE
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Detected Nirsoft tools
Free utilities often used by attackers which can steal passwords, product keys, etc.
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NirSoft MailPassView
Password recovery tool for various email clients
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NirSoft WebBrowserPassView
Password recovery tool for various web browsers
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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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Accesses Microsoft Outlook accounts
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Adds Run key to start application
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1