Analysis
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max time kernel
151s -
max time network
149s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
21-01-2022 23:29
Static task
static1
Behavioral task
behavioral1
Sample
f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe
Resource
win10-en-20211208
General
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Target
f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe
-
Size
1.5MB
-
MD5
81f2fda10383d4d478467ec1f0a9f905
-
SHA1
90c4fe7eb949c44607d29680b6b8a47bf294e02e
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SHA256
f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b
-
SHA512
f9b1da09d95d50eb1f2fbe3503b9dd872df35e8b1c3c00e3d0c46df337c954568f480b808af55fc29dc81986ad1c357a6f431da0b6de9e4aaeaa3d455c82fee4
Malware Config
Extracted
remcos
2.5.0 Pro
VEINTIOCHO
veintisieteremc.duckdns.org:1011
veintiochoremc.duckdns.org:1011
-
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
-
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-98T9IZ
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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
-
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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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe\"" f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exedescription pid process target process PID 952 set thread context of 1096 952 f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exepid process 1096 f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exedescription pid process target process PID 952 wrote to memory of 1096 952 f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe PID 952 wrote to memory of 1096 952 f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe PID 952 wrote to memory of 1096 952 f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe PID 952 wrote to memory of 1096 952 f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe PID 952 wrote to memory of 1096 952 f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe PID 952 wrote to memory of 1096 952 f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe PID 952 wrote to memory of 1096 952 f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe PID 952 wrote to memory of 1096 952 f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe PID 952 wrote to memory of 1096 952 f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe PID 952 wrote to memory of 1096 952 f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe PID 952 wrote to memory of 1096 952 f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe"C:\Users\Admin\AppData\Local\Temp\f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe"1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe"C:\Users\Admin\AppData\Local\Temp\f6f0b9b8b7a2ee0a64f33c5df868a2ae646d9c5ca161b7031994db881ec2b11b.exe"2⤵
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/952-55-0x0000000000AC0000-0x0000000000C3A000-memory.dmpFilesize
1.5MB
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memory/952-56-0x00000000008F0000-0x000000000091C000-memory.dmpFilesize
176KB
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memory/952-57-0x0000000004D90000-0x0000000004D91000-memory.dmpFilesize
4KB
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memory/952-58-0x0000000000920000-0x0000000000946000-memory.dmpFilesize
152KB
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memory/1096-59-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB
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memory/1096-60-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB
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memory/1096-61-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB
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memory/1096-63-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB
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memory/1096-62-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB
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memory/1096-64-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB
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memory/1096-65-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB
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memory/1096-66-0x0000000076B81000-0x0000000076B83000-memory.dmpFilesize
8KB
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memory/1096-67-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB
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memory/1096-68-0x0000000000401000-0x0000000000421000-memory.dmpFilesize
128KB