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Analysis
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max time kernel
177s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/10/2024, 22:28
Static task
static1
Behavioral task
behavioral1
Sample
OFICIO 002394939249 TESORERIA No. 0399498-002024.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
OFICIO 002394939249 TESORERIA No. 0399498-002024.exe
Resource
win10v2004-20241007-en
General
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Target
OFICIO 002394939249 TESORERIA No. 0399498-002024.exe
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Size
4.9MB
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MD5
cbdd93c0f2fdc3549188bad11af2cbb6
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SHA1
bb8023707452a17e8236cae8d2e7a11cc0ec8c1d
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SHA256
8aa24e0acffe7459f0662e8f3852fc34ed65a6e05cd468bdbc4c7a30c480a169
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SHA512
8cfcdee2366f3d7e276070e7a353346600f58da66c4dbe940a8db58a5b1b6c1bea91fac7fd6a99b8db7a9e3bc09f2b491807e2af91b1aba6b16631a15f41a919
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SSDEEP
49152:GSq2zkGQxfkScRd2j4309+eZypv0rMHul1gUuu9blTeYbkqFTckW4lLFQoMHMZKB:GStzEx9xypvogUuuhkYbkqFWCMojwH
Malware Config
Extracted
remcos
OCTU
segurosbolivar24.con-ip.com:2006
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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
registros.dat
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keylog_flag
false
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keylog_folder
regist
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mouse_option
false
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mutex
ljnghvfghujkvgnasftnz-X8YJ1F
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Capturas de pantalla
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screenshot_path
%AppData%
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screenshot_time
10
- startup_value
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ResDesignerEditor = "C:\\Users\\Admin\\Music\\ResDesignerUpdater\\ResVideo.exe" OFICIO 002394939249 TESORERIA No. 0399498-002024.exe -
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 OFICIO 002394939249 TESORERIA No. 0399498-002024.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language OFICIO 002394939249 TESORERIA No. 0399498-002024.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2428 OFICIO 002394939249 TESORERIA No. 0399498-002024.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4392 wrote to memory of 2428 4392 OFICIO 002394939249 TESORERIA No. 0399498-002024.exe 86 PID 4392 wrote to memory of 2428 4392 OFICIO 002394939249 TESORERIA No. 0399498-002024.exe 86 PID 4392 wrote to memory of 2428 4392 OFICIO 002394939249 TESORERIA No. 0399498-002024.exe 86 PID 4392 wrote to memory of 2428 4392 OFICIO 002394939249 TESORERIA No. 0399498-002024.exe 86 PID 4392 wrote to memory of 2428 4392 OFICIO 002394939249 TESORERIA No. 0399498-002024.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\OFICIO 002394939249 TESORERIA No. 0399498-002024.exe"C:\Users\Admin\AppData\Local\Temp\OFICIO 002394939249 TESORERIA No. 0399498-002024.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4392 -
C:\Users\Admin\AppData\Local\Temp\OFICIO 002394939249 TESORERIA No. 0399498-002024.exe"C:\Users\Admin\AppData\Local\Temp\OFICIO 002394939249 TESORERIA No. 0399498-002024.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2428
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
184B
MD529c8b669c975877d5db9c0aaed0c98b3
SHA1ac00e0ff6dabbd51766737ba77228215888e811b
SHA2561be8b614ff14cf23122a5fb3b227f9408f8262615ea370c2e3f32fca3c670645
SHA512a1e7d6f02e7c3bfc84711e2659584b29d4cadb74669998d033e626daeb0327b965fbb302a33a9d3e660e38625f771a8396acb1950e4e66888cdf1e0e237612e3