Analysis
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max time kernel
151s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
05-08-2022 09:30
Static task
static1
Behavioral task
behavioral1
Sample
42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
Resource
win7-20220718-en
General
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Target
42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
-
Size
687KB
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MD5
f8b7ccfaa25ad7547501496c248c178e
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SHA1
aae29f7ef62d5329c27c2040ed573d0ddc9a522e
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SHA256
42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b
-
SHA512
cbfec11ba74137df8a56d8c6ca74a04f3773d52c097ad78a5413733ad8de540ce8f0be54a9dcf2a708bbb56a0daea69f247ba7255485de2406ed310b07d91e44
Malware Config
Extracted
remcos
1.7 Pro
jd
37.120.210.219:3398
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audio_folder
audio
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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
5
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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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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
vbmcdsb
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keylog_path
%AppData%
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mouse_option
false
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mutex
remcos_enhatfsgar
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screens
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screenshot_path
%AppData%
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screenshot_time
1
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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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exedescription pid process target process PID 2084 set thread context of 5092 2084 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 1 IoCs
Processes:
42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exepid process 2084 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exedescription pid process Token: SeDebugPrivilege 2084 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exepid process 5092 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exedescription pid process target process PID 2084 wrote to memory of 716 2084 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe schtasks.exe PID 2084 wrote to memory of 716 2084 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe schtasks.exe PID 2084 wrote to memory of 716 2084 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe schtasks.exe PID 2084 wrote to memory of 5092 2084 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe PID 2084 wrote to memory of 5092 2084 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe PID 2084 wrote to memory of 5092 2084 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe PID 2084 wrote to memory of 5092 2084 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe PID 2084 wrote to memory of 5092 2084 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe PID 2084 wrote to memory of 5092 2084 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe PID 2084 wrote to memory of 5092 2084 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe PID 2084 wrote to memory of 5092 2084 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe PID 2084 wrote to memory of 5092 2084 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe 42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe"C:\Users\Admin\AppData\Local\Temp\42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ohnfNTVBamkg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3B34.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\42638e51cd3eff415ce751e700d233596988fd51ffba584b18dd2e78ec07bc2b.exe"{path}"2⤵
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp3B34.tmpFilesize
1KB
MD58b6f9b18ff6b393bd3db61c956f71eb7
SHA164045d56cdac434e2720b12b8b5d9af394f473cf
SHA256524923deabc719384becdca38d9aed78a17101a85ca292548819860b4305771a
SHA51235370999a06266e3c76fd377263ee1afe10160c6e45c6a78f4835245c7cd912cab6477eb450a7abe431f0e9854e6ec035f6bb107ec272640d44ba09444380053
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memory/716-135-0x0000000000000000-mapping.dmp
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memory/2084-130-0x0000000000EA0000-0x0000000000F50000-memory.dmpFilesize
704KB
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memory/2084-131-0x0000000005F00000-0x00000000064A4000-memory.dmpFilesize
5.6MB
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memory/2084-132-0x0000000005950000-0x00000000059E2000-memory.dmpFilesize
584KB
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memory/2084-133-0x00000000059F0000-0x0000000005A8C000-memory.dmpFilesize
624KB
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memory/2084-134-0x00000000058F0000-0x00000000058FA000-memory.dmpFilesize
40KB
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memory/5092-137-0x0000000000000000-mapping.dmp
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memory/5092-138-0x0000000000400000-0x0000000000417000-memory.dmpFilesize
92KB
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memory/5092-140-0x0000000000400000-0x0000000000417000-memory.dmpFilesize
92KB
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memory/5092-141-0x0000000000400000-0x0000000000417000-memory.dmpFilesize
92KB