Analysis
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max time kernel
299s -
max time network
301s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
10-04-2024 21:02
Static task
static1
Behavioral task
behavioral1
Sample
851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat
Resource
win10v2004-20240226-en
Behavioral task
behavioral4
Sample
851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat
Resource
win11-20240221-en
General
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Target
851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat
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Size
3.2MB
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MD5
b766a151851fff661fd05df17c722fe0
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SHA1
b72ca0ded29114b5d4f333e2c8d32f37f075c059
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SHA256
851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208
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SHA512
1940cf3c9b83c4298d6beffc612657e379073dfce854b14306919d5fe8a73c888906cdeebdb7803f3ab5ae41a44a0b04fc2520d675dc9ebd253dce4ad0faae60
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SSDEEP
49152:Xf2itfXve4rdS832GjhZqBaN6y3L8boHHTA0:Z
Malware Config
Extracted
remcos
RemoteHost
jaztc.duckdns.org:1808
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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
sfsfdrgrre
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mouse_option
false
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mutex
Rmc-AJ5P19
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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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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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ModiLoader Second Stage 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4788-30-0x0000000002720000-0x0000000003720000-memory.dmp modiloader_stage2 -
Executes dropped EXE 9 IoCs
Processes:
alpha.exealpha.exekn.exealpha.exekn.exeYano.comalpha.exealpha.exeeasinvoker.exepid process 3588 alpha.exe 4244 alpha.exe 968 kn.exe 2956 alpha.exe 824 kn.exe 4788 Yano.com 2620 alpha.exe 4536 alpha.exe 1716 easinvoker.exe -
Loads dropped DLL 1 IoCs
Processes:
easinvoker.exepid process 1716 easinvoker.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Yano.comdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Windows\CurrentVersion\Run\Aprfgvrz = "C:\\Users\\Public\\Aprfgvrz.url" Yano.com -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
xcopy.exexcopy.exexcopy.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier xcopy.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier xcopy.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier xcopy.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 3 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 5 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
powershell.exepid process 2100 powershell.exe 2100 powershell.exe 2100 powershell.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Yano.compid process 4788 Yano.com -
Suspicious use of AdjustPrivilegeToken 22 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2100 powershell.exe Token: SeIncreaseQuotaPrivilege 2100 powershell.exe Token: SeSecurityPrivilege 2100 powershell.exe Token: SeTakeOwnershipPrivilege 2100 powershell.exe Token: SeLoadDriverPrivilege 2100 powershell.exe Token: SeSystemProfilePrivilege 2100 powershell.exe Token: SeSystemtimePrivilege 2100 powershell.exe Token: SeProfSingleProcessPrivilege 2100 powershell.exe Token: SeIncBasePriorityPrivilege 2100 powershell.exe Token: SeCreatePagefilePrivilege 2100 powershell.exe Token: SeBackupPrivilege 2100 powershell.exe Token: SeRestorePrivilege 2100 powershell.exe Token: SeShutdownPrivilege 2100 powershell.exe Token: SeDebugPrivilege 2100 powershell.exe Token: SeSystemEnvironmentPrivilege 2100 powershell.exe Token: SeRemoteShutdownPrivilege 2100 powershell.exe Token: SeUndockPrivilege 2100 powershell.exe Token: SeManageVolumePrivilege 2100 powershell.exe Token: 33 2100 powershell.exe Token: 34 2100 powershell.exe Token: 35 2100 powershell.exe Token: 36 2100 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Yano.compid process 4788 Yano.com -
Suspicious use of WriteProcessMemory 53 IoCs
Processes:
cmd.exealpha.exealpha.exealpha.exeYano.comcmd.exeeasinvoker.execmd.execmd.exedescription pid process target process PID 1888 wrote to memory of 4824 1888 cmd.exe extrac32.exe PID 1888 wrote to memory of 4824 1888 cmd.exe extrac32.exe PID 1888 wrote to memory of 3588 1888 cmd.exe alpha.exe PID 1888 wrote to memory of 3588 1888 cmd.exe alpha.exe PID 3588 wrote to memory of 836 3588 alpha.exe extrac32.exe PID 3588 wrote to memory of 836 3588 alpha.exe extrac32.exe PID 1888 wrote to memory of 4244 1888 cmd.exe alpha.exe PID 1888 wrote to memory of 4244 1888 cmd.exe alpha.exe PID 4244 wrote to memory of 968 4244 alpha.exe kn.exe PID 4244 wrote to memory of 968 4244 alpha.exe kn.exe PID 1888 wrote to memory of 2956 1888 cmd.exe alpha.exe PID 1888 wrote to memory of 2956 1888 cmd.exe alpha.exe PID 2956 wrote to memory of 824 2956 alpha.exe kn.exe PID 2956 wrote to memory of 824 2956 alpha.exe kn.exe PID 1888 wrote to memory of 4788 1888 cmd.exe Yano.com PID 1888 wrote to memory of 4788 1888 cmd.exe Yano.com PID 1888 wrote to memory of 4788 1888 cmd.exe Yano.com PID 1888 wrote to memory of 2620 1888 cmd.exe alpha.exe PID 1888 wrote to memory of 2620 1888 cmd.exe alpha.exe PID 1888 wrote to memory of 4536 1888 cmd.exe alpha.exe PID 1888 wrote to memory of 4536 1888 cmd.exe alpha.exe PID 4788 wrote to memory of 4336 4788 Yano.com cmd.exe PID 4788 wrote to memory of 4336 4788 Yano.com cmd.exe PID 4788 wrote to memory of 4336 4788 Yano.com cmd.exe PID 4336 wrote to memory of 348 4336 cmd.exe cmd.exe PID 4336 wrote to memory of 348 4336 cmd.exe cmd.exe PID 4336 wrote to memory of 348 4336 cmd.exe cmd.exe PID 4336 wrote to memory of 4416 4336 cmd.exe xcopy.exe PID 4336 wrote to memory of 4416 4336 cmd.exe xcopy.exe PID 4336 wrote to memory of 4416 4336 cmd.exe xcopy.exe PID 4336 wrote to memory of 3848 4336 cmd.exe cmd.exe PID 4336 wrote to memory of 3848 4336 cmd.exe cmd.exe PID 4336 wrote to memory of 3848 4336 cmd.exe cmd.exe PID 4336 wrote to memory of 1156 4336 cmd.exe xcopy.exe PID 4336 wrote to memory of 1156 4336 cmd.exe xcopy.exe PID 4336 wrote to memory of 1156 4336 cmd.exe xcopy.exe PID 4336 wrote to memory of 1248 4336 cmd.exe cmd.exe PID 4336 wrote to memory of 1248 4336 cmd.exe cmd.exe PID 4336 wrote to memory of 1248 4336 cmd.exe cmd.exe PID 4336 wrote to memory of 4296 4336 cmd.exe xcopy.exe PID 4336 wrote to memory of 4296 4336 cmd.exe xcopy.exe PID 4336 wrote to memory of 4296 4336 cmd.exe xcopy.exe PID 4336 wrote to memory of 1716 4336 cmd.exe easinvoker.exe PID 4336 wrote to memory of 1716 4336 cmd.exe easinvoker.exe PID 1716 wrote to memory of 3712 1716 easinvoker.exe cmd.exe PID 1716 wrote to memory of 3712 1716 easinvoker.exe cmd.exe PID 3712 wrote to memory of 4920 3712 cmd.exe cmd.exe PID 3712 wrote to memory of 4920 3712 cmd.exe cmd.exe PID 4920 wrote to memory of 2100 4920 cmd.exe powershell.exe PID 4920 wrote to memory of 2100 4920 cmd.exe powershell.exe PID 4788 wrote to memory of 428 4788 Yano.com extrac32.exe PID 4788 wrote to memory of 428 4788 Yano.com extrac32.exe PID 4788 wrote to memory of 428 4788 Yano.com extrac32.exe
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:1888 -
C:\Windows\System32\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\\Windows\\System32\\cmd.exe C:\\Users\\Public\\alpha.exe2⤵PID:4824
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c extrac32.exe /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3588 -
C:\Windows\system32\extrac32.exeextrac32.exe /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe3⤵PID:836
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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\851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat" "C:\\Users\\Public\\Yano.txt" 92⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4244 -
C:\Users\Public\kn.exeC:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat" "C:\\Users\\Public\\Yano.txt" 93⤵
- Executes dropped EXE
PID:968 -
C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Yano.txt" "C:\\Users\\Public\\Libraries\\Yano.com" 122⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Users\Public\kn.exeC:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Yano.txt" "C:\\Users\\Public\\Libraries\\Yano.com" 123⤵
- Executes dropped EXE
PID:824 -
C:\Users\Public\Libraries\Yano.comC:\Users\Public\Libraries\Yano.com2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\AprfgvrzO.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:4336 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"4⤵PID:348
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C:\Windows\SysWOW64\xcopy.exexcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y4⤵
- Enumerates system info in registry
PID:4416 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"4⤵PID:3848
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C:\Windows\SysWOW64\xcopy.exexcopy "Aaa.bat" "C:\Windows \System32\" /K /D /H /Y4⤵
- Enumerates system info in registry
PID:1156 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"4⤵PID:1248
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C:\Windows\SysWOW64\xcopy.exexcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y4⤵
- Enumerates system info in registry
PID:4296 -
C:\Windows \System32\easinvoker.exe"C:\Windows \System32\easinvoker.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1716 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\windows \system32\aaa.bat""5⤵
- Suspicious use of WriteProcessMemory
PID:3712 -
C:\Windows\system32\cmd.execmd /c powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"6⤵
- Suspicious use of WriteProcessMemory
PID:4920 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"7⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2100 -
C:\Windows\SysWOW64\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Public\Libraries\Yano.com C:\\Users\\Public\\Libraries\\Aprfgvrz.PIF3⤵PID:428
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del "C:\Users\Public\Yano.txt" / A / F / Q / S2⤵
- Executes dropped EXE
PID:2620 -
C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del "C:\Users\Public\kn.exe" / A / F / Q / S2⤵
- Executes dropped EXE
PID:4536
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144B
MD5d97c819aba365299b1ec9af3d2114e6f
SHA1c3de6c35659874d530022bc973ef585cdca72859
SHA2563911184a381f68f7c2731ed8d567d98b28bd98dd1e4158535fd579a57947bac3
SHA51240ac4204c2f82f856b2ce23a4a82b4205a31200092e50c6f0d7dd944a8ed1419ce8b381811be1b4fb6e8004dcfb88339c9e1250bafd258f822c7a64b6e9b3523
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
29KB
MD5828ffbf60677999579dafe4bf3919c63
SHA1a0d159a1b9a49e9eaccc53fe0c3266c0526a1bdc
SHA256abac4a967800f5da708572ec42441ec373cd52459a83a8a382d6b8579482789d
SHA512bf00909e24c5a6fb2346e8457a9adacd5f1b35988d90abbde9ff26896bbb59edafea60d9db4d10182a7b5e129bb69585d3e20bc5c63af3517b3a7ef1e45ffb7e
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Filesize
1.2MB
MD56e81d417826597c23f59c6dc8d0e9325
SHA16b8f936e6d7249471d1acdf5e3ec50faea11211a
SHA25692286b5317d643787e4109d2d7354e94593416720d0b8f8aa2d497a16a24f377
SHA51237dfc57c6ada7b379150c1085dcef8b01b4e950f011bc45f50889c883ff28d33a0be4fb0a66f1b1a8d862a6e37dcaf1f810b66bd094b7baff5cfb8f041d198cc
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Filesize
18KB
MD5f4e8f0ec6cfc5c6039402322685cb6ce
SHA11037835573c2886dda05d256f15306da89dc645e
SHA256cd05094e213643d624996b98e14aa5f7a2363f63530fe0c99523f6948effe756
SHA512c5f9dfbbdb437c8ef9e2dd53fcbafcb256ab4626b4637a21332b3112c20f0d5353674031aae21b57604ba80d3b3f51f11b0ed412ed5fa6641b32fc4793746e02
-
Filesize
128KB
MD5231ce1e1d7d98b44371ffff407d68b59
SHA125510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA25630951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
SHA512520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
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Filesize
112KB
MD530468939b69d5b1f29494fff5b161e6b
SHA13f900a76e5a00efd97c618c8cdaa55e66384618f
SHA2567c6b2128913876dcb70603f2c00618d2e9057f381766565baf2a37100b85f1fd
SHA512f59fc26b77b28bc0dce41f2542c95a0fcb32204cc2d840d7cf8e74e10fbfc238f0c360e3bb5d787f32c83668ad10bbe522e098ede52f178dd8555c7af530f27f
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Filesize
2.3MB
MD54cf5c11880ee66463fbbbd2d00371d09
SHA19c438f3129d126279e62d738ced076daf88090af
SHA25647b157a5a99f3304a954236dd5f85978bd8dfb8a741abefd2798dfc2b2e2a8c7
SHA5120915ee260c1e625779b7036c049bd2aafc43852d5585f3674bebca41189025db9c13d9cc4543fde579f61128c815107b5d765cc45e24e4f109f4aaf41038a9ce
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Filesize
265KB
MD594912c1d73ade68f2486ed4d8ea82de6
SHA1524ab0a40594d2b5f620f542e87a45472979a416
SHA2569f7ebb79def0bf8cccb5a902db11746375af3fe618355fe5a69c69e4bcd50ac9
SHA512f48a3b7a2e6426c0091bb159599921b8e4644c8ae83a2a2a82efc9d3e21e4e343d77339917d8aabed6d8025142a2a8e74bf1fa759edb6146bc6e39fbece9e05d
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Filesize
1.4MB
MD5056c7d065f4622da9cc2848f47e2bae2
SHA16c6f18b0ec53dc63488961c4240ec584ac71c25f
SHA256e09a2d7ecac1a10c89e27750a18790da06ddd7311965dbc9ab6096f636dae61c
SHA512db158c9b669a2668149caf30df32595a488dcc831d7518ca2e793eac0885492a2eaee838914e706a585b7f3f1c801e299c697b2cec509204561bb098e16253d5