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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25/12/2024, 05:34
Static task
static1
Behavioral task
behavioral1
Sample
a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe
Resource
win7-20240903-en
General
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Target
a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe
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Size
1.1MB
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MD5
86e5451f3367e6580295e46b33d3d8ea
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SHA1
b27ac49886349182a8f3cb9cdd7eaed0438ba3a3
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SHA256
a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49
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SHA512
1b0bfc3df08ef499b2c1d7d24f9e31a027c98592645512d73cd58b50f12d52fda4a1287a7a61e6e7ce63a418db393c3546586ea6bf043e8a9de873a2e0ac85eb
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SSDEEP
12288:P2yGdJI1QkIO0QRBajzGStJLkGwiAlVXAjxfkc14c1ZTii1/RwCmcJwAFxrXbqs8:PfOiavjzGStJLXwiyAjxfkcacLOxjA4
Malware Config
Extracted
remcos
2.7.0 Pro
10
duckdne7832732.duckdns.org:1718
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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-RN68N0
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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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3220 set thread context of 2932 3220 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe 91 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 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 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2628 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 3220 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3220 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2932 RegSvcs.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 3220 wrote to memory of 2628 3220 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe 89 PID 3220 wrote to memory of 2628 3220 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe 89 PID 3220 wrote to memory of 2628 3220 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe 89 PID 3220 wrote to memory of 2932 3220 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe 91 PID 3220 wrote to memory of 2932 3220 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe 91 PID 3220 wrote to memory of 2932 3220 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe 91 PID 3220 wrote to memory of 2932 3220 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe 91 PID 3220 wrote to memory of 2932 3220 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe 91 PID 3220 wrote to memory of 2932 3220 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe 91 PID 3220 wrote to memory of 2932 3220 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe 91 PID 3220 wrote to memory of 2932 3220 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe 91 PID 3220 wrote to memory of 2932 3220 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe 91 PID 3220 wrote to memory of 2932 3220 a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe"C:\Users\Admin\AppData\Local\Temp\a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3220 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VuYmmGpWGSWON" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF01D.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2628
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Suspicious use of SetWindowsHookEx
PID:2932
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58e33e249acee6c18ede27f12fef11acf
SHA187729d90cc6393ae34ad8a058ab5774e42620b54
SHA25633d86bde8ea7996a2c9247ac3b956e9aa7f3ff648edaed2de1f1707b3b2940b6
SHA512f72f94aafec569c2899511d22a6c8381c72fb1648c58dd7d9e4161b802a8478611e53ee079a42e73cfd8ac3f478cc96a3fbfa7edd43c08a19e8dddaef1cc5299
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Filesize
74B
MD52b12c64f1113ef3ec22f94ab7b370530
SHA125f382025c2595a2a61d65663a1e85aed02c20a0
SHA25610ef24982bb96435ff9caee4d975c3e92348fc1927bdd4115bafa1d948bb98e7
SHA512209c59c484ee727441808a2dcba25ac1607394f4a8902627b258d0f5c48b70da51a37f69c31293cba369f91f47c2589075d1ce70000a95b70c0bd87101d92edf