Analysis
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max time kernel
193s -
max time network
204s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
03-02-2023 19:10
Static task
static1
Behavioral task
behavioral1
Sample
d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe
Resource
win10v2004-20221111-en
General
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Target
d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe
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Size
7KB
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MD5
b359f4af5c88b1e237db9738415b7682
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SHA1
d7fa6d87594ea4d8b5740d54fdc204b08f4e9439
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SHA256
53ddb9a75bca1115a66745b28086afbd394cef38f8437dda641b1219111df8cd
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SHA512
6d4f06f36c608d3202d29629f9d9a70eadfbffbb23c7c074fbb610ed9e1926bf6e04c8dfecbbaf1d575fb2d0385d237aff2dbda322b092d4ef7728091eb596cb
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SSDEEP
96:xtEsKVeCVIP7bLp8LAn5c8aY1ej/kKV+J2qzNt:xUVVIP7bLrEOejcKYx
Malware Config
Extracted
remcos
RemoteHost
194.180.49.17:28282
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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
rdfghfgjkgoighjc.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
true
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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-PC1DJ2
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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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Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation rdfghfgjkgoighjc.exe -
Executes dropped EXE 2 IoCs
pid Process 3636 rdfghfgjkgoighjc.exe 1544 rdfghfgjkgoighjc.exe -
Adds Run key to start application 2 TTPs 10 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Remcos = "\"C:\\ProgramData\\Remcos\\rdfghfgjkgoighjc.exe\"" d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Remcos = "\"C:\\ProgramData\\Remcos\\rdfghfgjkgoighjc.exe\"" d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Phecxlkxbf = "\"C:\\Users\\Admin\\AppData\\Roaming\\Zwpfblvosjv\\Phecxlkxbf.exe\"" rdfghfgjkgoighjc.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ rdfghfgjkgoighjc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Remcos = "\"C:\\ProgramData\\Remcos\\rdfghfgjkgoighjc.exe\"" rdfghfgjkgoighjc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Phecxlkxbf = "\"C:\\Users\\Admin\\AppData\\Roaming\\Zwpfblvosjv\\Phecxlkxbf.exe\"" d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ rdfghfgjkgoighjc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Remcos = "\"C:\\ProgramData\\Remcos\\rdfghfgjkgoighjc.exe\"" rdfghfgjkgoighjc.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2448 set thread context of 4232 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 82 PID 3636 set thread context of 1544 3636 rdfghfgjkgoighjc.exe 86 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4504 powershell.exe 4504 powershell.exe 1460 powershell.exe 1460 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe Token: SeDebugPrivilege 4504 powershell.exe Token: SeDebugPrivilege 3636 rdfghfgjkgoighjc.exe Token: SeDebugPrivilege 1460 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1544 rdfghfgjkgoighjc.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 2448 wrote to memory of 4504 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 80 PID 2448 wrote to memory of 4504 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 80 PID 2448 wrote to memory of 4504 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 80 PID 2448 wrote to memory of 4232 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 82 PID 2448 wrote to memory of 4232 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 82 PID 2448 wrote to memory of 4232 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 82 PID 2448 wrote to memory of 4232 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 82 PID 2448 wrote to memory of 4232 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 82 PID 2448 wrote to memory of 4232 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 82 PID 2448 wrote to memory of 4232 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 82 PID 2448 wrote to memory of 4232 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 82 PID 2448 wrote to memory of 4232 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 82 PID 2448 wrote to memory of 4232 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 82 PID 2448 wrote to memory of 4232 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 82 PID 2448 wrote to memory of 4232 2448 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 82 PID 4232 wrote to memory of 3636 4232 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 83 PID 4232 wrote to memory of 3636 4232 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 83 PID 4232 wrote to memory of 3636 4232 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe 83 PID 3636 wrote to memory of 1460 3636 rdfghfgjkgoighjc.exe 84 PID 3636 wrote to memory of 1460 3636 rdfghfgjkgoighjc.exe 84 PID 3636 wrote to memory of 1460 3636 rdfghfgjkgoighjc.exe 84 PID 3636 wrote to memory of 1544 3636 rdfghfgjkgoighjc.exe 86 PID 3636 wrote to memory of 1544 3636 rdfghfgjkgoighjc.exe 86 PID 3636 wrote to memory of 1544 3636 rdfghfgjkgoighjc.exe 86 PID 3636 wrote to memory of 1544 3636 rdfghfgjkgoighjc.exe 86 PID 3636 wrote to memory of 1544 3636 rdfghfgjkgoighjc.exe 86 PID 3636 wrote to memory of 1544 3636 rdfghfgjkgoighjc.exe 86 PID 3636 wrote to memory of 1544 3636 rdfghfgjkgoighjc.exe 86 PID 3636 wrote to memory of 1544 3636 rdfghfgjkgoighjc.exe 86 PID 3636 wrote to memory of 1544 3636 rdfghfgjkgoighjc.exe 86 PID 3636 wrote to memory of 1544 3636 rdfghfgjkgoighjc.exe 86 PID 3636 wrote to memory of 1544 3636 rdfghfgjkgoighjc.exe 86 PID 3636 wrote to memory of 1544 3636 rdfghfgjkgoighjc.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe"C:\Users\Admin\AppData\Local\Temp\d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4504
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C:\Users\Admin\AppData\Local\Temp\d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exeC:\Users\Admin\AppData\Local\Temp\d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4232 -
C:\ProgramData\Remcos\rdfghfgjkgoighjc.exe"C:\ProgramData\Remcos\rdfghfgjkgoighjc.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3636 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1460
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C:\ProgramData\Remcos\rdfghfgjkgoighjc.exeC:\ProgramData\Remcos\rdfghfgjkgoighjc.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
PID:1544
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
7KB
MD5b359f4af5c88b1e237db9738415b7682
SHA1d7fa6d87594ea4d8b5740d54fdc204b08f4e9439
SHA25653ddb9a75bca1115a66745b28086afbd394cef38f8437dda641b1219111df8cd
SHA5126d4f06f36c608d3202d29629f9d9a70eadfbffbb23c7c074fbb610ed9e1926bf6e04c8dfecbbaf1d575fb2d0385d237aff2dbda322b092d4ef7728091eb596cb
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Filesize
7KB
MD5b359f4af5c88b1e237db9738415b7682
SHA1d7fa6d87594ea4d8b5740d54fdc204b08f4e9439
SHA25653ddb9a75bca1115a66745b28086afbd394cef38f8437dda641b1219111df8cd
SHA5126d4f06f36c608d3202d29629f9d9a70eadfbffbb23c7c074fbb610ed9e1926bf6e04c8dfecbbaf1d575fb2d0385d237aff2dbda322b092d4ef7728091eb596cb
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Filesize
7KB
MD5b359f4af5c88b1e237db9738415b7682
SHA1d7fa6d87594ea4d8b5740d54fdc204b08f4e9439
SHA25653ddb9a75bca1115a66745b28086afbd394cef38f8437dda641b1219111df8cd
SHA5126d4f06f36c608d3202d29629f9d9a70eadfbffbb23c7c074fbb610ed9e1926bf6e04c8dfecbbaf1d575fb2d0385d237aff2dbda322b092d4ef7728091eb596cb
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Filesize
1KB
MD56195a91754effb4df74dbc72cdf4f7a6
SHA1aba262f5726c6d77659fe0d3195e36a85046b427
SHA2563254495a5513b37a2686a876d0040275414699e7ce760e7b5ee05e41a54b96f5
SHA512ed723d15de267390dc93263538428e2c881be3494c996a810616b470d6df7d5acfcc8725687d5c50319ebef45caef44f769bfc32e0dc3abd249dacff4a12cc89
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Filesize
53KB
MD506ad34f9739c5159b4d92d702545bd49
SHA19152a0d4f153f3f40f7e606be75f81b582ee0c17
SHA256474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba
SHA512c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92
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Filesize
16KB
MD5e06ba46eef25a6acb2dd0d3345a96924
SHA1874e9e56e10b35cc39e6e2a216d9c9dc2946a239
SHA256ac02e526d5ac32d0e548116724a4b28f2742d93338bc43b7d2d9532349caf2e3
SHA5128a40d70b93f01e7fefb2944468d029a72fe1f78f007331b5076827916641aaac45adf26beeb83bb76ff6ce6ad111f0680b9757bc219019ea3eb6c725c46f37c9
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Filesize
7KB
MD5b359f4af5c88b1e237db9738415b7682
SHA1d7fa6d87594ea4d8b5740d54fdc204b08f4e9439
SHA25653ddb9a75bca1115a66745b28086afbd394cef38f8437dda641b1219111df8cd
SHA5126d4f06f36c608d3202d29629f9d9a70eadfbffbb23c7c074fbb610ed9e1926bf6e04c8dfecbbaf1d575fb2d0385d237aff2dbda322b092d4ef7728091eb596cb