Analysis
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max time kernel
148s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
13-08-2024 16:58
Static task
static1
Behavioral task
behavioral1
Sample
Etkt9oJ08ZyhAlm.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
Etkt9oJ08ZyhAlm.exe
Resource
win10v2004-20240802-en
General
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Target
Etkt9oJ08ZyhAlm.exe
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Size
910KB
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MD5
e93b72986bdf1856a3f407cbb948b5dd
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SHA1
3e546f719a8c752429382d7c78747bfe96ac6c42
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SHA256
51aa6be003977c67c7eaf393b81af1e5ff9ad99850ce86ba7c3dafe7e12728c6
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SHA512
7195283fdeec6479e6b0225a9ba3c95c430770173bf1148f1cd10f11a0183fe2082adf67849ceb2841f016bcf9af203268633295da8062ad18444a8b9c69ba9d
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SSDEEP
24576:rBuYiVAVhw4b8TrquAD+xCyUpoPNOUEqgkQt+wUcVWVD:rBuYIgnbWrCD+xCyhVSdVi
Malware Config
Extracted
remcos
RemoteHost
192.3.243.155:7643
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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-C9YEJ8
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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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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid Process 1828 powershell.exe 928 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Etkt9oJ08ZyhAlm.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation Etkt9oJ08ZyhAlm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Etkt9oJ08ZyhAlm.exedescription pid Process procid_target PID 3268 set thread context of 3280 3268 Etkt9oJ08ZyhAlm.exe 100 -
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 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
Etkt9oJ08ZyhAlm.exepowershell.exepowershell.exeschtasks.exeEtkt9oJ08ZyhAlm.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Etkt9oJ08ZyhAlm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Etkt9oJ08ZyhAlm.exe -
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
Processes:
powershell.exepowershell.exepid Process 1828 powershell.exe 928 powershell.exe 1828 powershell.exe 928 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exepowershell.exedescription pid Process Token: SeDebugPrivilege 928 powershell.exe Token: SeDebugPrivilege 1828 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Etkt9oJ08ZyhAlm.exepid Process 3280 Etkt9oJ08ZyhAlm.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
Etkt9oJ08ZyhAlm.exedescription pid Process procid_target PID 3268 wrote to memory of 1828 3268 Etkt9oJ08ZyhAlm.exe 94 PID 3268 wrote to memory of 1828 3268 Etkt9oJ08ZyhAlm.exe 94 PID 3268 wrote to memory of 1828 3268 Etkt9oJ08ZyhAlm.exe 94 PID 3268 wrote to memory of 928 3268 Etkt9oJ08ZyhAlm.exe 96 PID 3268 wrote to memory of 928 3268 Etkt9oJ08ZyhAlm.exe 96 PID 3268 wrote to memory of 928 3268 Etkt9oJ08ZyhAlm.exe 96 PID 3268 wrote to memory of 3164 3268 Etkt9oJ08ZyhAlm.exe 98 PID 3268 wrote to memory of 3164 3268 Etkt9oJ08ZyhAlm.exe 98 PID 3268 wrote to memory of 3164 3268 Etkt9oJ08ZyhAlm.exe 98 PID 3268 wrote to memory of 3280 3268 Etkt9oJ08ZyhAlm.exe 100 PID 3268 wrote to memory of 3280 3268 Etkt9oJ08ZyhAlm.exe 100 PID 3268 wrote to memory of 3280 3268 Etkt9oJ08ZyhAlm.exe 100 PID 3268 wrote to memory of 3280 3268 Etkt9oJ08ZyhAlm.exe 100 PID 3268 wrote to memory of 3280 3268 Etkt9oJ08ZyhAlm.exe 100 PID 3268 wrote to memory of 3280 3268 Etkt9oJ08ZyhAlm.exe 100 PID 3268 wrote to memory of 3280 3268 Etkt9oJ08ZyhAlm.exe 100 PID 3268 wrote to memory of 3280 3268 Etkt9oJ08ZyhAlm.exe 100 PID 3268 wrote to memory of 3280 3268 Etkt9oJ08ZyhAlm.exe 100 PID 3268 wrote to memory of 3280 3268 Etkt9oJ08ZyhAlm.exe 100 PID 3268 wrote to memory of 3280 3268 Etkt9oJ08ZyhAlm.exe 100 PID 3268 wrote to memory of 3280 3268 Etkt9oJ08ZyhAlm.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\Etkt9oJ08ZyhAlm.exe"C:\Users\Admin\AppData\Local\Temp\Etkt9oJ08ZyhAlm.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Etkt9oJ08ZyhAlm.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1828
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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\kFkVqvIpoatJkA.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:928
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kFkVqvIpoatJkA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD7D2.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3164
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C:\Users\Admin\AppData\Local\Temp\Etkt9oJ08ZyhAlm.exe"C:\Users\Admin\AppData\Local\Temp\Etkt9oJ08ZyhAlm.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3280
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD541ec61e6496d2806eaf073da9e930ab4
SHA173e1bc1c9c76812f0cd10a8b2421306cf9311968
SHA25600da64a149bd74e0e1d2505a08d94cab115cb08922dbcb663230aff9e3eb9020
SHA512f60940e5559d3a91817fa6ba016f7a44f29a61509c2acccf4b06def15675e00ef8862529b6c4b6aa71a034f90a3ccc2953be79e0908034e09af60dea4d5981a1
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
64B
MD5c1f737601158ec8987031547fbf8ed36
SHA17224feffd04381074f237420138752a5e9f3c3c3
SHA256484eb5792acc4fb0a42e89bbc97d60a7e50f37d3ca0a2e1de108cdc768251fe6
SHA5127e2c3f0d4eac03525246cfb963b9d53eb7e9b73044e52ecab8dc35fba84aff1dd3f72f81169c67a1c011318bcb6ff186bbedd17e7ad80657d1cdef670227444b
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5cd421562173539a0b294846afbb52654
SHA1295835ed6deb0abe04060285db90596f9ab5395a
SHA25638815eca6b8f6a2b9e23314af58f7c0995772f1f6d21d885e6147d8560df49e6
SHA512885fb0e9596c591ff420750b9847d4a58b39e98f11421a7d4e150e924064c891bc288dd41e5bf0a217c6d9bca1ff515523a7894eb624a4dc138afe7b40876b5b