Analysis
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max time kernel
157s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
05-04-2024 09:58
Static task
static1
Behavioral task
behavioral1
Sample
TSTS 0005A.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
TSTS 0005A.exe
Resource
win10v2004-20240226-en
General
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Target
TSTS 0005A.exe
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Size
922KB
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MD5
b195643d6d8c3f81c7409533ad14726c
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SHA1
c09b56928fb1f448ed9b3610a0b930f77e2ebcfe
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SHA256
f4eaa74eb268a58cff6f5d37607758bd49cc00af060da799857ae10cfd59efb2
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SHA512
b843153f581be5a77b8575cf09e25333d5eaf5af3b689441ad0af336c4494a6181d5882dfa8b2ba2d90acb64cd3db9ab26f1cf87e1991f996d26cbb6990c5fb8
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SSDEEP
24576:JgjHr6DLW5Gaxs00MUVXdtS6seDmw+Op8lCua51:WrpDxclG65mg8lCuo
Malware Config
Extracted
remcos
RemoteHost
sembe.duckdns.org:14645
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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
true
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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
notess
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keylog_path
%AppData%
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mouse_option
false
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mutex
Rmc-P0AEMX
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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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
TSTS 0005A.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation TSTS 0005A.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
TSTS 0005A.exedescription pid Process procid_target PID 3492 set thread context of 3812 3492 TSTS 0005A.exe 101 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 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
Processes:
TSTS 0005A.exepowershell.exepid Process 3492 TSTS 0005A.exe 3492 TSTS 0005A.exe 2056 powershell.exe 2056 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
TSTS 0005A.exepowershell.exedescription pid Process Token: SeDebugPrivilege 3492 TSTS 0005A.exe Token: SeDebugPrivilege 2056 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
TSTS 0005A.exepid Process 3812 TSTS 0005A.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
TSTS 0005A.exedescription pid Process procid_target PID 3492 wrote to memory of 2056 3492 TSTS 0005A.exe 96 PID 3492 wrote to memory of 2056 3492 TSTS 0005A.exe 96 PID 3492 wrote to memory of 2056 3492 TSTS 0005A.exe 96 PID 3492 wrote to memory of 4688 3492 TSTS 0005A.exe 98 PID 3492 wrote to memory of 4688 3492 TSTS 0005A.exe 98 PID 3492 wrote to memory of 4688 3492 TSTS 0005A.exe 98 PID 3492 wrote to memory of 1016 3492 TSTS 0005A.exe 100 PID 3492 wrote to memory of 1016 3492 TSTS 0005A.exe 100 PID 3492 wrote to memory of 1016 3492 TSTS 0005A.exe 100 PID 3492 wrote to memory of 3812 3492 TSTS 0005A.exe 101 PID 3492 wrote to memory of 3812 3492 TSTS 0005A.exe 101 PID 3492 wrote to memory of 3812 3492 TSTS 0005A.exe 101 PID 3492 wrote to memory of 3812 3492 TSTS 0005A.exe 101 PID 3492 wrote to memory of 3812 3492 TSTS 0005A.exe 101 PID 3492 wrote to memory of 3812 3492 TSTS 0005A.exe 101 PID 3492 wrote to memory of 3812 3492 TSTS 0005A.exe 101 PID 3492 wrote to memory of 3812 3492 TSTS 0005A.exe 101 PID 3492 wrote to memory of 3812 3492 TSTS 0005A.exe 101 PID 3492 wrote to memory of 3812 3492 TSTS 0005A.exe 101 PID 3492 wrote to memory of 3812 3492 TSTS 0005A.exe 101 PID 3492 wrote to memory of 3812 3492 TSTS 0005A.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3492 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vcEDbAjawlTHE.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2056
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vcEDbAjawlTHE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF6A4.tmp"2⤵
- Creates scheduled task(s)
PID:4688
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C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"2⤵PID:1016
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C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"2⤵
- Suspicious use of SetWindowsHookEx
PID:3812
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5b20c06883107d63b685d3c8db54f8130
SHA1a02d767b8cdc3f6035a1435e50afd9f5177efc3f
SHA256c76e0d7649b4b824719a9fec959c6d8044cac6b521ebdaea4f4b7eaa1562bed6
SHA5126f16c83537e5fbc273a304a2d0f03b2cdcbff184f5168f7b884f9b9669b026b308fdc33b9af4f9c85e6d5d226d89c8bd8d6d2857417aca8249f1c3cf9b4cb510
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Filesize
144B
MD5a715fe5fe9ddec241ac1106b2bf75ea5
SHA13a366df86ff827857d3c56e642120bf6b26605cd
SHA2566b47caa2c7f8ac8d5373469bd4c6d6005a85f7630c1dee886c995b869687dbe8
SHA5128577ee0183514920d243a1f8ba402665148dc3024c341deaca0e9294930626a73230b628a017ee1a5b96591ef0e71766e28f717da18bf4923f2ab5a9725e05cd