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Analysis
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max time kernel
151s -
max time network
172s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
25/06/2022, 04:51
Static task
static1
Behavioral task
behavioral1
Sample
3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b.exe
Resource
win10v2004-20220414-en
General
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Target
3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b.exe
-
Size
588KB
-
MD5
958eb87d60959a12563ed9af47d911a5
-
SHA1
6c7d310a1188cf1be548328b67e9df407a8f59ab
-
SHA256
3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b
-
SHA512
abff3aca43311bf2d72c6f1988a8ccafbbba4932c386d2a60962713a57c1d362b982297b263f292d71feffbe70fc34bfefbfb8b785c6520b7d48d84be6de7e8f
Malware Config
Extracted
remcos
2.4.5 Pro
RemoteHost
185.244.31.74:6666
-
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
-
connect_interval
1
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copy_file
remcos.exe
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copy_folder
remcos
-
delete_file
false
-
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
-
keylog_file
logs.dat
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keylog_flag
false
-
keylog_folder
remcos
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keylog_path
%AppData%
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mouse_option
false
-
mutex
Remcos-TRR060
-
screenshot_crypt
false
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screenshot_flag
false
-
screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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startup_value
remcos
-
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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Executes dropped EXE 2 IoCs
pid Process 1368 filename.exe 1808 filename.exe -
Loads dropped DLL 3 IoCs
pid Process 1348 3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b.exe 1348 3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b.exe 1368 filename.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\Registry Key Name = "C:\\Users\\Admin\\AppData\\Local\\Temp\\subfolder\\filename.vbs -0" WScript.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run WScript.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1368 set thread context of 1808 1368 filename.exe 30 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1348 3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b.exe 1368 filename.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1348 wrote to memory of 1560 1348 3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b.exe 28 PID 1348 wrote to memory of 1560 1348 3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b.exe 28 PID 1348 wrote to memory of 1560 1348 3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b.exe 28 PID 1348 wrote to memory of 1560 1348 3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b.exe 28 PID 1348 wrote to memory of 1368 1348 3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b.exe 29 PID 1348 wrote to memory of 1368 1348 3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b.exe 29 PID 1348 wrote to memory of 1368 1348 3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b.exe 29 PID 1348 wrote to memory of 1368 1348 3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b.exe 29 PID 1368 wrote to memory of 1808 1368 filename.exe 30 PID 1368 wrote to memory of 1808 1368 filename.exe 30 PID 1368 wrote to memory of 1808 1368 filename.exe 30 PID 1368 wrote to memory of 1808 1368 filename.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b.exe"C:\Users\Admin\AppData\Local\Temp\3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1348 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\subfolder\filename.vbs"2⤵
- Adds Run key to start application
PID:1560
-
-
C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe"C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Users\Admin\AppData\Local\Temp\subfolder\filename.exeC:\Users\Admin\AppData\Local\Temp\subfolder\filename.exe"3⤵
- Executes dropped EXE
PID:1808
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-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
588KB
MD5958eb87d60959a12563ed9af47d911a5
SHA16c7d310a1188cf1be548328b67e9df407a8f59ab
SHA2563a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b
SHA512abff3aca43311bf2d72c6f1988a8ccafbbba4932c386d2a60962713a57c1d362b982297b263f292d71feffbe70fc34bfefbfb8b785c6520b7d48d84be6de7e8f
-
Filesize
588KB
MD5958eb87d60959a12563ed9af47d911a5
SHA16c7d310a1188cf1be548328b67e9df407a8f59ab
SHA2563a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b
SHA512abff3aca43311bf2d72c6f1988a8ccafbbba4932c386d2a60962713a57c1d362b982297b263f292d71feffbe70fc34bfefbfb8b785c6520b7d48d84be6de7e8f
-
Filesize
588KB
MD5958eb87d60959a12563ed9af47d911a5
SHA16c7d310a1188cf1be548328b67e9df407a8f59ab
SHA2563a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b
SHA512abff3aca43311bf2d72c6f1988a8ccafbbba4932c386d2a60962713a57c1d362b982297b263f292d71feffbe70fc34bfefbfb8b785c6520b7d48d84be6de7e8f
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Filesize
1024B
MD5e6ddff0cba9efe622cb701d417f4781d
SHA144ae0fc753ec76e1ce3840c629176c4f6c6945cc
SHA2565f513b6f4be4f95860a0d52f0f400d8e3c2804bd6534e8bc1ddc8de4f7afaf43
SHA5127ae88174d2bb42eedcd03df22da775a46dc6ee6f90a37d606f91d68e9c4400a942574f9a38404a1ed6e86445cd63a7e29a17b3df66f547444a7192e3de3eb9ce
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Filesize
588KB
MD5958eb87d60959a12563ed9af47d911a5
SHA16c7d310a1188cf1be548328b67e9df407a8f59ab
SHA2563a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b
SHA512abff3aca43311bf2d72c6f1988a8ccafbbba4932c386d2a60962713a57c1d362b982297b263f292d71feffbe70fc34bfefbfb8b785c6520b7d48d84be6de7e8f
-
Filesize
588KB
MD5958eb87d60959a12563ed9af47d911a5
SHA16c7d310a1188cf1be548328b67e9df407a8f59ab
SHA2563a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b
SHA512abff3aca43311bf2d72c6f1988a8ccafbbba4932c386d2a60962713a57c1d362b982297b263f292d71feffbe70fc34bfefbfb8b785c6520b7d48d84be6de7e8f
-
Filesize
588KB
MD5958eb87d60959a12563ed9af47d911a5
SHA16c7d310a1188cf1be548328b67e9df407a8f59ab
SHA2563a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b
SHA512abff3aca43311bf2d72c6f1988a8ccafbbba4932c386d2a60962713a57c1d362b982297b263f292d71feffbe70fc34bfefbfb8b785c6520b7d48d84be6de7e8f