General
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Target
bf73327d47da7f3a5ce4393c2075f6e596f0f57cbd71dc02e636f5a3e69dd77c
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Size
2.9MB
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Sample
250323-zlhhgaypv9
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MD5
2dfc49b6a16ea73550eb364cd4061ac4
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SHA1
25ca5ab0f53b5a61d1e59df694f8351f9aef4efa
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SHA256
bf73327d47da7f3a5ce4393c2075f6e596f0f57cbd71dc02e636f5a3e69dd77c
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SHA512
47cb010bd0ab31c28aa834a7f517bacdc1ec7693076a458f210fc840208c509b01438636718ec924660c91847203cbceb4a9ba9bdca12f16b429d27ec432c773
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SSDEEP
49152:hh+ZkldoPK8Yad7cwj644Mh+ZkldoPK8YaLDNct:C2cPK8YwjE2cPK8c
Behavioral task
behavioral1
Sample
bf73327d47da7f3a5ce4393c2075f6e596f0f57cbd71dc02e636f5a3e69dd77c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bf73327d47da7f3a5ce4393c2075f6e596f0f57cbd71dc02e636f5a3e69dd77c.exe
Resource
win10v2004-20250314-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
bf73327d47da7f3a5ce4393c2075f6e596f0f57cbd71dc02e636f5a3e69dd77c
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Size
2.9MB
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MD5
2dfc49b6a16ea73550eb364cd4061ac4
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SHA1
25ca5ab0f53b5a61d1e59df694f8351f9aef4efa
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SHA256
bf73327d47da7f3a5ce4393c2075f6e596f0f57cbd71dc02e636f5a3e69dd77c
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SHA512
47cb010bd0ab31c28aa834a7f517bacdc1ec7693076a458f210fc840208c509b01438636718ec924660c91847203cbceb4a9ba9bdca12f16b429d27ec432c773
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SSDEEP
49152:hh+ZkldoPK8Yad7cwj644Mh+ZkldoPK8YaLDNct:C2cPK8YwjE2cPK8c
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Remcos family
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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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Webmonitor family
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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