Analysis
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max time kernel
149s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
01-10-2024 10:23
General
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Target
TNT invoice 10.1.2024 .exe
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Size
961KB
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MD5
feee11842c3c5952aebf70fe162925e8
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SHA1
13c393292e000ff9f543f4817034b33f9446c958
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SHA256
15ef2164b480e330416ccfdc4a3265d61c7864990e65e9bb8078919a790eabee
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SHA512
1dbfd469c79b86ecc3796c8cc5604964ddb8459720ab628f09bd294467d218bde6744a9fbdac3ec5ea64f3982687b0f0f6d6ce095b4e30523282ea58d5a4f5ea
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SSDEEP
12288:sDVilInHpgfqAzSnyW6B8OH/csub28UtmlOUqIvgFau1Rjq+9AhdlNcEZu5B:BQH6fqAz7/esp+OUqIklHGzdfu5B
Malware Config
Extracted
remcos
IRNSERV1
irnserv1.ddns.net:4424
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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-20UF0Z
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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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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Suspicious use of SetThreadContext 1 IoCs
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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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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\TNT invoice 10.1.2024 .exe"C:\Users\Admin\AppData\Local\Temp\TNT invoice 10.1.2024 .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
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PmjBkYpYKiwAz.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PmjBkYpYKiwAz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7A5.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\TNT invoice 10.1.2024 .exe"C:\Users\Admin\AppData\Local\Temp\TNT invoice 10.1.2024 .exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\TNT invoice 10.1.2024 .exe"C:\Users\Admin\AppData\Local\Temp\TNT invoice 10.1.2024 .exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD5f2caddcf16e1d123bf7a3e3627a73902
SHA11ae3098f3db1b92415e66cee89e8f18cc1ccc331
SHA2563d780b92a6fb163276e35ea786c62e1c97990d677c67c499149eabae062a6d9a
SHA512ab07cd1b4ecb614bcc4898aa562ecbccf839ecf7e15c39def997aa4b2d52b23222240b6de3cecaa282a8af91e9fd02e778f7536eeb0b7ab72f5538680dc786b0
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5a17fdba4a524103c3379248f276ff0b7
SHA1e8e29cc1953a22a11e7f66cd0e7e0a194615e65e
SHA256018f9eb012aba0015a5a6ecd8128309ad7d0d3345c56347b94de860d6cb58589
SHA512f0cb5c381be9b927cd735cf2e6211a8fa7d4a785721429163dcbf7dd483ce562fad28d59ec82c203e2cf4f790c98ee39195c0fb943a86a74c4e37e291d443ed2
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Filesize
120KB
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Filesize
7.7MB
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Filesize
40KB
-
Filesize
584KB
-
Filesize
4KB
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Filesize
7.7MB
-
Filesize
768KB
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Filesize
624KB
-
Filesize
5.6MB
-
Filesize
4KB
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Filesize
7.7MB
-
Filesize
984KB
-
Filesize
600KB
-
Filesize
104KB
-
Filesize
408KB
-
Filesize
136KB
-
Filesize
216KB
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Filesize
7.7MB
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Filesize
7.7MB
-
Filesize
32KB
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Filesize
408KB
-
Filesize
3.3MB
-
Filesize
80KB
-
Filesize
56KB
-
Filesize
68KB
-
Filesize
7.7MB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
6.2MB
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Filesize
200KB
-
Filesize
304KB
-
Filesize
120KB
-
Filesize
652KB
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Filesize
6.5MB
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Filesize
104KB
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Filesize
40KB
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Filesize
7.7MB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB
-
Filesize
520KB