Analysis
-
max time kernel
150s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
05/12/2023, 21:14
Static task
static1
Behavioral task
behavioral1
Sample
$R4S8Q5B.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
$R4S8Q5B.exe
Resource
win10-20231129-en
Behavioral task
behavioral3
Sample
$R4S8Q5B.exe
Resource
win10v2004-20231127-en
General
-
Target
$R4S8Q5B.exe
-
Size
911KB
-
MD5
5313272fd87d44ac3b60e976db857d49
-
SHA1
dbc5bdfa1b78d34fb4b3d3b9074ba449c7f29074
-
SHA256
9103e2815438759a349705607f3be586c2129551e74cd2a875a04faab7ac43a9
-
SHA512
271cfe471b50f340d36cb8b23be621883939a9ca85b1eb814bda8d65120eceaea139e159b32d2acf009e58e5df9aa709cebf0ffe0f638c14a577261c12ed3145
-
SSDEEP
24576:ZzDp2LTL98NShdlTJzZWHyKmgev5/uWO/X4f:Fp2LSNEzTJgrmnUWku
Malware Config
Extracted
remcos
RemoteHost
167.114.189.33:2404
-
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
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-7ZDF66
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1748 set thread context of 2744 1748 $R4S8Q5B.exe 40 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3016 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 1748 $R4S8Q5B.exe 2720 powershell.exe 2824 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1748 $R4S8Q5B.exe Token: SeDebugPrivilege 2720 powershell.exe Token: SeDebugPrivilege 2824 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2744 $R4S8Q5B.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 1748 wrote to memory of 2720 1748 $R4S8Q5B.exe 30 PID 1748 wrote to memory of 2720 1748 $R4S8Q5B.exe 30 PID 1748 wrote to memory of 2720 1748 $R4S8Q5B.exe 30 PID 1748 wrote to memory of 2720 1748 $R4S8Q5B.exe 30 PID 1748 wrote to memory of 2824 1748 $R4S8Q5B.exe 32 PID 1748 wrote to memory of 2824 1748 $R4S8Q5B.exe 32 PID 1748 wrote to memory of 2824 1748 $R4S8Q5B.exe 32 PID 1748 wrote to memory of 2824 1748 $R4S8Q5B.exe 32 PID 1748 wrote to memory of 3016 1748 $R4S8Q5B.exe 33 PID 1748 wrote to memory of 3016 1748 $R4S8Q5B.exe 33 PID 1748 wrote to memory of 3016 1748 $R4S8Q5B.exe 33 PID 1748 wrote to memory of 3016 1748 $R4S8Q5B.exe 33 PID 1748 wrote to memory of 2604 1748 $R4S8Q5B.exe 36 PID 1748 wrote to memory of 2604 1748 $R4S8Q5B.exe 36 PID 1748 wrote to memory of 2604 1748 $R4S8Q5B.exe 36 PID 1748 wrote to memory of 2604 1748 $R4S8Q5B.exe 36 PID 1748 wrote to memory of 2952 1748 $R4S8Q5B.exe 37 PID 1748 wrote to memory of 2952 1748 $R4S8Q5B.exe 37 PID 1748 wrote to memory of 2952 1748 $R4S8Q5B.exe 37 PID 1748 wrote to memory of 2952 1748 $R4S8Q5B.exe 37 PID 1748 wrote to memory of 2600 1748 $R4S8Q5B.exe 38 PID 1748 wrote to memory of 2600 1748 $R4S8Q5B.exe 38 PID 1748 wrote to memory of 2600 1748 $R4S8Q5B.exe 38 PID 1748 wrote to memory of 2600 1748 $R4S8Q5B.exe 38 PID 1748 wrote to memory of 2484 1748 $R4S8Q5B.exe 39 PID 1748 wrote to memory of 2484 1748 $R4S8Q5B.exe 39 PID 1748 wrote to memory of 2484 1748 $R4S8Q5B.exe 39 PID 1748 wrote to memory of 2484 1748 $R4S8Q5B.exe 39 PID 1748 wrote to memory of 2744 1748 $R4S8Q5B.exe 40 PID 1748 wrote to memory of 2744 1748 $R4S8Q5B.exe 40 PID 1748 wrote to memory of 2744 1748 $R4S8Q5B.exe 40 PID 1748 wrote to memory of 2744 1748 $R4S8Q5B.exe 40 PID 1748 wrote to memory of 2744 1748 $R4S8Q5B.exe 40 PID 1748 wrote to memory of 2744 1748 $R4S8Q5B.exe 40 PID 1748 wrote to memory of 2744 1748 $R4S8Q5B.exe 40 PID 1748 wrote to memory of 2744 1748 $R4S8Q5B.exe 40 PID 1748 wrote to memory of 2744 1748 $R4S8Q5B.exe 40 PID 1748 wrote to memory of 2744 1748 $R4S8Q5B.exe 40 PID 1748 wrote to memory of 2744 1748 $R4S8Q5B.exe 40 PID 1748 wrote to memory of 2744 1748 $R4S8Q5B.exe 40 PID 1748 wrote to memory of 2744 1748 $R4S8Q5B.exe 40
Processes
-
C:\Users\Admin\AppData\Local\Temp\$R4S8Q5B.exe"C:\Users\Admin\AppData\Local\Temp\$R4S8Q5B.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1748 -
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\$R4S8Q5B.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2720
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bIURQhWY.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2824
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bIURQhWY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp190C.tmp"2⤵
- Creates scheduled task(s)
PID:3016
-
-
C:\Users\Admin\AppData\Local\Temp\$R4S8Q5B.exe"C:\Users\Admin\AppData\Local\Temp\$R4S8Q5B.exe"2⤵PID:2604
-
-
C:\Users\Admin\AppData\Local\Temp\$R4S8Q5B.exe"C:\Users\Admin\AppData\Local\Temp\$R4S8Q5B.exe"2⤵PID:2952
-
-
C:\Users\Admin\AppData\Local\Temp\$R4S8Q5B.exe"C:\Users\Admin\AppData\Local\Temp\$R4S8Q5B.exe"2⤵PID:2600
-
-
C:\Users\Admin\AppData\Local\Temp\$R4S8Q5B.exe"C:\Users\Admin\AppData\Local\Temp\$R4S8Q5B.exe"2⤵PID:2484
-
-
C:\Users\Admin\AppData\Local\Temp\$R4S8Q5B.exe"C:\Users\Admin\AppData\Local\Temp\$R4S8Q5B.exe"2⤵
- Suspicious use of SetWindowsHookEx
PID:2744
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
144B
MD53902dde165b457e661e79d2f6898628e
SHA1c5f874d789ce62111d83ab5133b839970df40b6b
SHA256ce9f71eea8c92e459b277b2898fbf76cfaaf110a3eb659275430241a12fb0a44
SHA512db6154b41f2e31302e46c9887412ffd0eade2ca8568fb849b64754c16bc89392f681925572c4534ea69a83da10236a9a808a5e52effdffcdea53b4088e3fa114
-
Filesize
1KB
MD5fd13d5ccfc46549ada5ead668d1c8375
SHA17c86cdf7e713cb4c0bbd0aff2a92f265eee374a3
SHA2560971ba91e33f935e5af4ee511d39dc982553ac4adfdc7c4d3b5f8198b657a539
SHA512d0ed472d1fa0bf9f056f56f5db6c49a5f9896f0bccb7811753892517bff2a113ec88ff8302574840ddf2234e4a381701dc1e4401b3c8c333ff0e80d408d246c6
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6YGBM0AC4FS179JVBNXG.temp
Filesize7KB
MD5925a753af19eb14d0c2918be7772a710
SHA143e041fdf4ba8fbd5dcf0217fb652fcade1fb655
SHA2567deceffda0cdfb312a644659d1f203b1c240eb1aa2ee4056b6df86624c264c04
SHA5121d47bb243aef01d98ed2b90d554b3641ed3b21a64904ddf3672b8fd294e6c2adc2cd96b5ef1d25861250476b66fccaba548707de3e7053abf066a8119ea415aa
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5925a753af19eb14d0c2918be7772a710
SHA143e041fdf4ba8fbd5dcf0217fb652fcade1fb655
SHA2567deceffda0cdfb312a644659d1f203b1c240eb1aa2ee4056b6df86624c264c04
SHA5121d47bb243aef01d98ed2b90d554b3641ed3b21a64904ddf3672b8fd294e6c2adc2cd96b5ef1d25861250476b66fccaba548707de3e7053abf066a8119ea415aa