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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
24/09/2024, 09:07
Static task
static1
Behavioral task
behavioral1
Sample
8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe
Resource
win10v2004-20240802-en
General
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Target
8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe
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Size
883KB
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MD5
571902de75705d1aeaa32be01459dc65
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SHA1
4ccf3c9a339146008c1d8466857e13d3c7752a05
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SHA256
8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5
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SHA512
966381cdeaf8213fefdca876052a59dcda9e2436cfc50b4516eca936ebb9e75b9421058969526fa0b46d06067a43398a51c8e7201fa72d39faa0153c4328a9d7
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SSDEEP
24576:kBGzjcJ6NacNEyNOU+6cNuuH2SNcjmYY4Swv:kE86N1l5x8uuWSpYXS2
Malware Config
Extracted
remcos
RemoteHost
127.0.0.1:59321
nnamoo.duckdns.org:59321
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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-41EVS0
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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
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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.
pid Process 2696 powershell.exe 2712 powershell.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1680 set thread context of 2776 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 36 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2844 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 2712 powershell.exe 2696 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe Token: SeDebugPrivilege 2712 powershell.exe Token: SeDebugPrivilege 2696 powershell.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 1680 wrote to memory of 2696 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 30 PID 1680 wrote to memory of 2696 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 30 PID 1680 wrote to memory of 2696 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 30 PID 1680 wrote to memory of 2696 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 30 PID 1680 wrote to memory of 2712 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 32 PID 1680 wrote to memory of 2712 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 32 PID 1680 wrote to memory of 2712 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 32 PID 1680 wrote to memory of 2712 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 32 PID 1680 wrote to memory of 2844 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 33 PID 1680 wrote to memory of 2844 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 33 PID 1680 wrote to memory of 2844 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 33 PID 1680 wrote to memory of 2844 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 33 PID 1680 wrote to memory of 2776 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 36 PID 1680 wrote to memory of 2776 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 36 PID 1680 wrote to memory of 2776 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 36 PID 1680 wrote to memory of 2776 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 36 PID 1680 wrote to memory of 2776 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 36 PID 1680 wrote to memory of 2776 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 36 PID 1680 wrote to memory of 2776 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 36 PID 1680 wrote to memory of 2776 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 36 PID 1680 wrote to memory of 2776 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 36 PID 1680 wrote to memory of 2776 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 36 PID 1680 wrote to memory of 2776 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 36 PID 1680 wrote to memory of 2776 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 36 PID 1680 wrote to memory of 2776 1680 8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe"C:\Users\Admin\AppData\Local\Temp\8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680 -
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\8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2696
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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\efsOOkOP.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2712
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\efsOOkOP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC542.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2844
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C:\Users\Admin\AppData\Local\Temp\8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe"C:\Users\Admin\AppData\Local\Temp\8f2c4543e4bc9194d1c1a9bc946a75d49162b0eee2715df4ba626980892107b5.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2776
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD52ef4ee134c6bf924cb09ae98ab4c4591
SHA151187ab8224e123d1b5f7b0719c1094ca86c200a
SHA256ff94c6b9533a1391fcbed27afc9fd1bd43e1fdab29ba6054a3d0ba0e6b210ba2
SHA512cbe3fb10a5d7275021e48d51affd0532fc035b4a4dc361ecf8fa51b551023d5f57a979d234a293566882621af6d8f76e8840f943ad0023a459368470ecab2edb
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD536748378161a1e939151df4026688a4e
SHA13fe8def622df600ac2c677c48204a2615842fe5c
SHA256b5cd7e4ba73d4b6e98dd533eaee466bb2ecd64263100cd96aa390e07714d8f78
SHA512c3d337261bfd9957b70316c85a5da9e8efa82ffd6f1cf894715f55c053c80d7062d8016b70bd2a822280d2cf362ba0f7ad33b26017b69276b4e36cc4e53283f6