General
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Target
INVOICE-No96322.pdf.exe
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Size
1.4MB
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Sample
250217-ntcreaymam
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MD5
249c3c371f979d96fe26448702a8b980
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SHA1
7d974b6cc1857df402c713b8d6f926b702a3882e
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SHA256
d5082cf733716620aa756f1c0cab59246ddab03b8c8ef06cdada69cbaa41593a
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SHA512
b052c78486d55697e94213a51f75a824d2c834c246cd7dcca9da3a4747a318f538001d7b899f2a06b2f7b8c2428f0e9f614713af6415ff897b634615d5e8d255
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SSDEEP
24576:jaHUId+zim0CY8iM277XXPIDm6bjjmmtyJQYYt2QWfn8qpXrZgrxrW6btnU:jaHUId+g8iM27jfObji9JbUa3BrCJP2
Static task
static1
Behavioral task
behavioral1
Sample
INVOICE-No96322.pdf.exe
Resource
win7-20240903-en
Malware Config
Extracted
remcos
FEB 16
austin99.duckdns.org:9373
103.186.117.61:9373
heksaa3030.redirectme.net:9373
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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
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
remcos
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mouse_option
false
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mutex
Rmc-YHG6AC
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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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startup_value
Remcos
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take_screenshot_option
false
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take_screenshot_time
5
Targets
-
-
Target
INVOICE-No96322.pdf.exe
-
Size
1.4MB
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MD5
249c3c371f979d96fe26448702a8b980
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SHA1
7d974b6cc1857df402c713b8d6f926b702a3882e
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SHA256
d5082cf733716620aa756f1c0cab59246ddab03b8c8ef06cdada69cbaa41593a
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SHA512
b052c78486d55697e94213a51f75a824d2c834c246cd7dcca9da3a4747a318f538001d7b899f2a06b2f7b8c2428f0e9f614713af6415ff897b634615d5e8d255
-
SSDEEP
24576:jaHUId+zim0CY8iM277XXPIDm6bjjmmtyJQYYt2QWfn8qpXrZgrxrW6btnU:jaHUId+g8iM27jfObji9JbUa3BrCJP2
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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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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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
1