Analysis
- max time kernel
150s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
11/01/2023, 07:32
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe
Resource
win7-20220901-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe
Resource
win10v2004-20221111-en
12 signatures
150 seconds
General
- Target SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe
- Size 928KB
- Sample230111-jc11fsbd66
- SHA256 abe27f90a49a7e563fc39eb1e0da5c0327e490aefe6638fa4dfa50fea16c42d2
- MD5 707bc07daa50b4470e8e992acc3c3a70
- SHA1 acac050601ee41db935f340b4842dae2c4affa95
- SHA512 a857def44933c4c70152a8059d4b2378cfc8200b484e9008527e1160273d786d61daf580d98dc23f3d3414ab5ab885842bc315c1f45546f6508e6eb19e7d11ad
- SSDEEP 24576:gmmP6+bkwvwXnRc9bniMhmbdOkXrsbp1T3:0P6tRXn+AMYhOEkp9
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
remcos
Botnet
-
RemoteHost
C2
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brremcoz1.ddns.net:3270
Attributes
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
true
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-GF6GEY
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
Remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Executes dropped EXE 3 IoCs
pid Process 4536 remcos.exe 2708 remcos.exe 432 remcos.exe - Checks computer location settings 2 TTPs 4 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 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation WScript.exe Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation remcos.exe - Adds Run key to start application 2 TTPs 8 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\Remcos\\remcos.exe\"" remcos.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ remcos.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\Remcos\\remcos.exe\"" remcos.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\Remcos\\remcos.exe\"" SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\Remcos\\remcos.exe\"" SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4912 set thread context of 3988 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 89 PID 4536 set thread context of 432 4536 remcos.exe 105 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2232 schtasks.exe 3000 schtasks.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1908 powershell.exe 1908 powershell.exe 884 powershell.exe 4536 remcos.exe 4536 remcos.exe 884 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1908 powershell.exe Token: SeDebugPrivilege 884 powershell.exe Token: SeDebugPrivilege 4536 remcos.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 432 remcos.exe - Suspicious use of WriteProcessMemory 48 IoCs
description pid Process procid_target PID 4912 wrote to memory of 1908 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 85 PID 4912 wrote to memory of 1908 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 85 PID 4912 wrote to memory of 1908 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 85 PID 4912 wrote to memory of 2232 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 87 PID 4912 wrote to memory of 2232 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 87 PID 4912 wrote to memory of 2232 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 87 PID 4912 wrote to memory of 3988 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 89 PID 4912 wrote to memory of 3988 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 89 PID 4912 wrote to memory of 3988 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 89 PID 4912 wrote to memory of 3988 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 89 PID 4912 wrote to memory of 3988 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 89 PID 4912 wrote to memory of 3988 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 89 PID 4912 wrote to memory of 3988 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 89 PID 4912 wrote to memory of 3988 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 89 PID 4912 wrote to memory of 3988 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 89 PID 4912 wrote to memory of 3988 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 89 PID 4912 wrote to memory of 3988 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 89 PID 4912 wrote to memory of 3988 4912 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 89 PID 3988 wrote to memory of 3132 3988 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 90 PID 3988 wrote to memory of 3132 3988 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 90 PID 3988 wrote to memory of 3132 3988 SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe 90 PID 3132 wrote to memory of 4328 3132 WScript.exe 91 PID 3132 wrote to memory of 4328 3132 WScript.exe 91 PID 3132 wrote to memory of 4328 3132 WScript.exe 91 PID 4328 wrote to memory of 4536 4328 cmd.exe 93 PID 4328 wrote to memory of 4536 4328 cmd.exe 93 PID 4328 wrote to memory of 4536 4328 cmd.exe 93 PID 4536 wrote to memory of 884 4536 remcos.exe 100 PID 4536 wrote to memory of 884 4536 remcos.exe 100 PID 4536 wrote to memory of 884 4536 remcos.exe 100 PID 4536 wrote to memory of 3000 4536 remcos.exe 102 PID 4536 wrote to memory of 3000 4536 remcos.exe 102 PID 4536 wrote to memory of 3000 4536 remcos.exe 102 PID 4536 wrote to memory of 2708 4536 remcos.exe 104 PID 4536 wrote to memory of 2708 4536 remcos.exe 104 PID 4536 wrote to memory of 2708 4536 remcos.exe 104 PID 4536 wrote to memory of 432 4536 remcos.exe 105 PID 4536 wrote to memory of 432 4536 remcos.exe 105 PID 4536 wrote to memory of 432 4536 remcos.exe 105 PID 4536 wrote to memory of 432 4536 remcos.exe 105 PID 4536 wrote to memory of 432 4536 remcos.exe 105 PID 4536 wrote to memory of 432 4536 remcos.exe 105 PID 4536 wrote to memory of 432 4536 remcos.exe 105 PID 4536 wrote to memory of 432 4536 remcos.exe 105 PID 4536 wrote to memory of 432 4536 remcos.exe 105 PID 4536 wrote to memory of 432 4536 remcos.exe 105 PID 4536 wrote to memory of 432 4536 remcos.exe 105 PID 4536 wrote to memory of 432 4536 remcos.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4912 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jKNdcTqQC.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1908
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jKNdcTqQC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3539.tmp"2⤵
- Creates scheduled task(s)
PID:2232
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.25621.22051.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3988 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"3⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3132 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\Remcos\remcos.exe"4⤵
- Suspicious use of WriteProcessMemory
PID:4328 -
C:\Users\Admin\AppData\Roaming\Remcos\remcos.exeC:\Users\Admin\AppData\Roaming\Remcos\remcos.exe5⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4536 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jKNdcTqQC.exe"6⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:884
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jKNdcTqQC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDA14.tmp"6⤵
- Creates scheduled task(s)
PID:3000
-
-
C:\Users\Admin\AppData\Roaming\Remcos\remcos.exe"C:\Users\Admin\AppData\Roaming\Remcos\remcos.exe"6⤵
- Executes dropped EXE
PID:2708
-
-
C:\Users\Admin\AppData\Roaming\Remcos\remcos.exe"C:\Users\Admin\AppData\Roaming\Remcos\remcos.exe"6⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
PID:432
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-
-
-
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
- MD5 968cb9309758126772781b83adb8a28f
- SHA1 8da30e71accf186b2ba11da1797cf67f8f78b47c
- SHA512 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 26949101f19c28ede2f3c8380a4f3d106faee380ddabd2df7dc2cb8062196749
- MD5 580bd0dd070a0f7f9db07dd598fa539e
- SHA1 54dd51da468c8eddab109204ed97a514a54b1c69
- SHA512 10f454073cb94b2b618af820027859fc085f4c742ac20e9969740d1ea08eb48b15c4444b54072b753aa7141e88d89d091f1f683a38a0829cf8443f6691de620e
- SSDEEP 384:Osf+BZ9i+11Gj/+zLC8ty4uIUpZo9o2TVK6seYLME/J03SoZ+fYSgIjEDk+Q0gdI:bfT05U4o2TVNgrSSZWWEDzCO3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\install.vbs
- Size 418B
- SHA256 fa20e9aab03dc8e9f1910aaf0cf42662379fa16ae3a22642084fb97fa3d4f83a
- MD5 b92d64fe5b1d1f59df4b738262aea8df
- SHA1 c8fb1981759c2d9bb2ec91b705985fba5fc7af63
- SHA512 2566248b93c0cfb0414f033b8dd18bbd4f88180093eac2861107289bcb4ee160f9593706ff1f7d1f2e4ecea430d67a5a2897551a4f9ebd82b707243e300520e2
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmp3539.tmp
- Size 1KB
- SHA256 b31a37f1f6f94bc59520ac310d660d22e1d707e6e755d2013aa47b2c92ff18b7
- MD5 12c98cbbeab31d357632b96b0ea590d9
- SHA1 ef74e0b2dfbdcd252b3caca5c891042f3e418140
- SHA512 f40a650cffd5af7873e47e076c12073305756f63b60c5d37227f7c6c6593ed8c3801528e829517424f0ff537e46e09b52da3f9873eb0a12f6bd87e2b10005eb8
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmpDA14.tmp
- Size 1KB
- SHA256 b31a37f1f6f94bc59520ac310d660d22e1d707e6e755d2013aa47b2c92ff18b7
- MD5 12c98cbbeab31d357632b96b0ea590d9
- SHA1 ef74e0b2dfbdcd252b3caca5c891042f3e418140
- SHA512 f40a650cffd5af7873e47e076c12073305756f63b60c5d37227f7c6c6593ed8c3801528e829517424f0ff537e46e09b52da3f9873eb0a12f6bd87e2b10005eb8
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Remcos\remcos.exe
- Size 928KB
- SHA256 abe27f90a49a7e563fc39eb1e0da5c0327e490aefe6638fa4dfa50fea16c42d2
- MD5 707bc07daa50b4470e8e992acc3c3a70
- SHA1 acac050601ee41db935f340b4842dae2c4affa95
- SHA512 a857def44933c4c70152a8059d4b2378cfc8200b484e9008527e1160273d786d61daf580d98dc23f3d3414ab5ab885842bc315c1f45546f6508e6eb19e7d11ad
- SSDEEP 24576:gmmP6+bkwvwXnRc9bniMhmbdOkXrsbp1T3:0P6tRXn+AMYhOEkp9
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Remcos\remcos.exe
- Size 928KB
- SHA256 abe27f90a49a7e563fc39eb1e0da5c0327e490aefe6638fa4dfa50fea16c42d2
- MD5 707bc07daa50b4470e8e992acc3c3a70
- SHA1 acac050601ee41db935f340b4842dae2c4affa95
- SHA512 a857def44933c4c70152a8059d4b2378cfc8200b484e9008527e1160273d786d61daf580d98dc23f3d3414ab5ab885842bc315c1f45546f6508e6eb19e7d11ad
- SSDEEP 24576:gmmP6+bkwvwXnRc9bniMhmbdOkXrsbp1T3:0P6tRXn+AMYhOEkp9
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Remcos\remcos.exe
- Size 928KB
- SHA256 abe27f90a49a7e563fc39eb1e0da5c0327e490aefe6638fa4dfa50fea16c42d2
- MD5 707bc07daa50b4470e8e992acc3c3a70
- SHA1 acac050601ee41db935f340b4842dae2c4affa95
- SHA512 a857def44933c4c70152a8059d4b2378cfc8200b484e9008527e1160273d786d61daf580d98dc23f3d3414ab5ab885842bc315c1f45546f6508e6eb19e7d11ad
- SSDEEP 24576:gmmP6+bkwvwXnRc9bniMhmbdOkXrsbp1T3:0P6tRXn+AMYhOEkp9
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Remcos\remcos.exe
- Size 928KB
- SHA256 abe27f90a49a7e563fc39eb1e0da5c0327e490aefe6638fa4dfa50fea16c42d2
- MD5 707bc07daa50b4470e8e992acc3c3a70
- SHA1 acac050601ee41db935f340b4842dae2c4affa95
- SHA512 a857def44933c4c70152a8059d4b2378cfc8200b484e9008527e1160273d786d61daf580d98dc23f3d3414ab5ab885842bc315c1f45546f6508e6eb19e7d11ad
- SSDEEP 24576:gmmP6+bkwvwXnRc9bniMhmbdOkXrsbp1T3:0P6tRXn+AMYhOEkp9
- MD5 SHA1 SHA512 SSDEEP