General
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Target
3b41f447509a77d0c3155f23928457be0f71701c490af674f03da959e984ac01.exe
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Size
2.9MB
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Sample
240904-bq5xkatcrh
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MD5
067027b5b20d0d80be90f41dc126fda3
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SHA1
b7644f39188e8e8bcb41723833321a43f9474629
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SHA256
3b41f447509a77d0c3155f23928457be0f71701c490af674f03da959e984ac01
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SHA512
a56fa19a0e6e4263a9d48e17e13ef76084808f98dfba1306feda58f64d92acb15c93794726697982f15cde699874407f7a991138de423eb5fa87b43d5084362a
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SSDEEP
49152:hh+ZkldoPK8Yad7cwj644Mh+ZkldoPK8YaLDNc9:C2cPK8YwjE2cPK8U
Behavioral task
behavioral1
Sample
3b41f447509a77d0c3155f23928457be0f71701c490af674f03da959e984ac01.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
3b41f447509a77d0c3155f23928457be0f71701c490af674f03da959e984ac01.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
remcos
2.3.0 Pro
RemoteHost
daya4659.ddns.net:8282
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audio_folder
MicRecords
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audio_path
%AppData%
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audio_record_time
5
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connect_delay
0
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connect_interval
3
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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
true
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install_flag
true
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install_path
%AppData%
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keylog_crypt
true
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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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keylog_path
%AppData%
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mouse_option
false
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mutex
Remcos-S1KNPZ
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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
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take_screenshot_title
wikipedia;solitaire;
Extracted
webmonitor
snpandey4659.wm01.to:443
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config_key
sFitr5r1ExCJl86X6inyc4qxlzwyw8fK
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private_key
t1wG88poq
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url_path
/recv4.php
Targets
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Target
3b41f447509a77d0c3155f23928457be0f71701c490af674f03da959e984ac01.exe
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Size
2.9MB
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MD5
067027b5b20d0d80be90f41dc126fda3
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SHA1
b7644f39188e8e8bcb41723833321a43f9474629
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SHA256
3b41f447509a77d0c3155f23928457be0f71701c490af674f03da959e984ac01
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SHA512
a56fa19a0e6e4263a9d48e17e13ef76084808f98dfba1306feda58f64d92acb15c93794726697982f15cde699874407f7a991138de423eb5fa87b43d5084362a
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SSDEEP
49152:hh+ZkldoPK8Yad7cwj644Mh+ZkldoPK8YaLDNc9:C2cPK8YwjE2cPK8U
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RevcodeRat, WebMonitorRat
WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.
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WebMonitor payload
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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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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Adds Run key to start application
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AutoIT Executable
AutoIT scripts compiled to PE executables.
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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
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1