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Analysis
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max time kernel
178s -
max time network
171s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
09/10/2024, 14:11
General
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Target
CUS 415811343 4894584198641984198419861961961 OCTUBRE 7 DE 2024.exe
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Size
5.1MB
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MD5
06bd75f1686847255ba61a86ef69eb8a
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SHA1
e11abefa20031ce5f497fcb59c57e2f143a81e38
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SHA256
45cc400d38a6a3de5075d593718a2b63deddfc20fd97107cf01c0c0bee341adc
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SHA512
eb7e035aab6b1c5496dc8cebd5bb700ecf3d761747814ed8fc9a8534f989c3c84854f6878b0d076a13ca0d2d10413c10828cbb043e052566129c7c73a23bf8a7
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SSDEEP
49152:k9C6IGwcuCr4SOgkpEEd6HninHFdrSgoQt171nYQo7uK2oaAXIi847dmjPU7n+at:kM6FDEdjl46JHElSYwkaEIm7x/
Malware Config
Extracted
remcos
Voltarger
dfgdfghghfhfh.con-ip.com:1665
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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
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-I3REIW
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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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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Remcos
Remcos is a closed-source remote control and surveillance software.
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Browser Information Discovery 1 TTPs
Enumerate browser information.
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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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 16 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\CUS 415811343 4894584198641984198419861961961 OCTUBRE 7 DE 2024.exe"C:\Users\Admin\AppData\Local\Temp\CUS 415811343 4894584198641984198419861961961 OCTUBRE 7 DE 2024.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\CUS 415811343 4894584198641984198419861961961 OCTUBRE 7 DE 2024.exe"C:\Users\Admin\AppData\Local\Temp\CUS 415811343 4894584198641984198419861961961 OCTUBRE 7 DE 2024.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\build.exe"C:\Users\Admin\AppData\Local\Temp\build.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"4⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD5e00fd54000020dfa00e3f39609d7d5d7
SHA1b13bd221664676fe9b0de7fdc3ed79c1f9390ca8
SHA256b1df54dff8045ac221e9c980bc4a66853dddc10c6781d2a5afa5d18eb7dcad78
SHA51279b2ad6b5b82616f69dc9fc8f0ae14d2946157b4f0d8b7620d3d09c91efb4f1834bf9ba897eaeb73a37cf04221c4e7969f2e5ac5503baaaa0b454a8089b48dfd
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Filesize
5.1MB
MD5d5beeffa4590c187698e512a78dd1530
SHA1322aa0593d60fa30a258ca26e9d0a7157af9c0cf
SHA256a3989a05c58f63b85f038e4a32b2f9af1b987101000c1bebd160cc121a3b9e3e
SHA512e1320e21796566d6d0123e7a145ccfc90637a35a9f0127ab6fdf0721270fbd37c4bc88fedfb64e46d882c0d971a68db4c79c7e18949a892027b92f34efe7e0f6
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Filesize
6.8MB
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Filesize
6.8MB
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Filesize
6.8MB
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Filesize
6.8MB
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Filesize
6.8MB
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Filesize
6.8MB
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Filesize
6.8MB
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Filesize
6.8MB
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Filesize
6.8MB
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Filesize
6.8MB
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Filesize
6.8MB
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Filesize
6.8MB
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Filesize
6.8MB
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Filesize
6.8MB
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Filesize
6.8MB
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Filesize
96KB
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Filesize
96KB
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Filesize
6.8MB
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Filesize
520KB
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Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
4KB
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Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
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Filesize
448KB
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Filesize
600KB
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Filesize
448KB
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Filesize
4KB
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Filesize
448KB
-
Filesize
624KB
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Filesize
600KB
-
Filesize
600KB
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Filesize
600KB
-
Filesize
600KB
-
Filesize
600KB
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Filesize
448KB
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Filesize
600KB
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Filesize
600KB
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Filesize
600KB
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Filesize
600KB
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Filesize
600KB
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Filesize
600KB
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Filesize
176KB
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Filesize
304KB
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Filesize
960KB