General
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Target
a1a334aa5fd2ba1b468b2fac316ffd7ffbf5708dfa85f966689fe43bc18602e3
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Size
948KB
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Sample
241202-lj59vsvpem
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MD5
b31e94b9aa3fc572228587333b83ebfe
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SHA1
59996644977220b310542daa6163115505aa8c59
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SHA256
a1a334aa5fd2ba1b468b2fac316ffd7ffbf5708dfa85f966689fe43bc18602e3
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SHA512
7d5a8f844d0e048af811c26d3e13ecaa674206da041378181d482e6e673da739f7facd98eba545a0ddf73953d57010e678515010e5a96adc00c5858d80c1b6bb
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SSDEEP
24576:eYE1uJu2UOgZNYZmFhCzc3a2YZY6YixjoJx:tXDUI8mqa2YZjxMJx
Static task
static1
Behavioral task
behavioral1
Sample
a1a334aa5fd2ba1b468b2fac316ffd7ffbf5708dfa85f966689fe43bc18602e3.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a1a334aa5fd2ba1b468b2fac316ffd7ffbf5708dfa85f966689fe43bc18602e3.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
Document
45.138.48.25:3333
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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
WinUpdate.exe
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copy_folder
WinUpdate
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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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install_path
%Temp%
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keylog_crypt
false
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keylog_file
WinUpdat.dat
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keylog_flag
false
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keylog_folder
WinUpdat
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mouse_option
false
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mutex
Rmc-E10MWO
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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
a1a334aa5fd2ba1b468b2fac316ffd7ffbf5708dfa85f966689fe43bc18602e3
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Size
948KB
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MD5
b31e94b9aa3fc572228587333b83ebfe
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SHA1
59996644977220b310542daa6163115505aa8c59
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SHA256
a1a334aa5fd2ba1b468b2fac316ffd7ffbf5708dfa85f966689fe43bc18602e3
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SHA512
7d5a8f844d0e048af811c26d3e13ecaa674206da041378181d482e6e673da739f7facd98eba545a0ddf73953d57010e678515010e5a96adc00c5858d80c1b6bb
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SSDEEP
24576:eYE1uJu2UOgZNYZmFhCzc3a2YZY6YixjoJx:tXDUI8mqa2YZjxMJx
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Hawkeye family
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Remcos family
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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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Uses browser remote debugging
Can be used control the browser and steal sensitive information such as credentials and session cookies.
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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
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Modify Authentication Process
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
1Credentials In Files
1