Analysis
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max time kernel
119s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12-02-2025 10:46
Behavioral task
behavioral1
Sample
9dcfe6f3ed32f21be782b75cb737b604965b1a1230cfd8c1510419abbd1c8b2aN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
9dcfe6f3ed32f21be782b75cb737b604965b1a1230cfd8c1510419abbd1c8b2aN.exe
Resource
win10v2004-20250211-en
General
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Target
9dcfe6f3ed32f21be782b75cb737b604965b1a1230cfd8c1510419abbd1c8b2aN.exe
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Size
180KB
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MD5
0ead72a8319ac8ff22e85fec952e1d30
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SHA1
e0c8c6a62d4b9065ec1cbb2855b7b62be9d7aca6
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SHA256
9dcfe6f3ed32f21be782b75cb737b604965b1a1230cfd8c1510419abbd1c8b2a
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SHA512
8ddacfcccd5ff255b2764b3b48a6193dc9b26e3bd83db4a98879125bbb844b387ee8f6a47b674138362a53c90c1395b9ae3314280c111651b115c3a1efb82315
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SSDEEP
3072:kqM8+466FzyRsXVR4VRclmCD+/tjxsTQR:kqM8+4TFGqGVRcgCD+/tjxsTQR
Malware Config
Extracted
remcos
2.5.0 Light
RemoteHost
127.0.0.1:2404
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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
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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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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keylog_path
%AppData%
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mouse_option
false
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mutex
Remcos-YCDIWY
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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;
Signatures
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Remcos family
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resource yara_rule behavioral1/memory/2600-0-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral1/memory/2600-1-0x0000000000400000-0x000000000042D000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9dcfe6f3ed32f21be782b75cb737b604965b1a1230cfd8c1510419abbd1c8b2aN.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2600 9dcfe6f3ed32f21be782b75cb737b604965b1a1230cfd8c1510419abbd1c8b2aN.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2600 9dcfe6f3ed32f21be782b75cb737b604965b1a1230cfd8c1510419abbd1c8b2aN.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9dcfe6f3ed32f21be782b75cb737b604965b1a1230cfd8c1510419abbd1c8b2aN.exe"C:\Users\Admin\AppData\Local\Temp\9dcfe6f3ed32f21be782b75cb737b604965b1a1230cfd8c1510419abbd1c8b2aN.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2600