Analysis
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max time kernel
146s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
22-04-2024 16:04
Static task
static1
Behavioral task
behavioral1
Sample
3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exe
Resource
win10v2004-20240412-en
General
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Target
3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exe
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Size
1.8MB
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MD5
670d80fa661c8522d9b41984e7b412ad
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SHA1
f77cc61ead21e32644c77f9ca5ee89a5a9a4d3d6
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SHA256
3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e
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SHA512
4ce67408ca36d542019badcfffbf6e32f9b5f2cfad4194d3f01c0b70adcb62feb5420e71fba40b68887d32be61953d79801e53d28a4cd0fe3ff36c5144546e6e
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SSDEEP
49152:/GGBlScVEYvgAIkdJEHsPqegoCWgofUOLUEy3LVysgF:u6ScV5IkkEqegoCWgo8Oot9g
Malware Config
Extracted
amadey
4.17
http://193.233.132.167
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install_dir
4d0ab15804
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install_file
chrosha.exe
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strings_key
1a9519d7b465e1f4880fa09a6162d768
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url_paths
/enigma/index.php
Extracted
lumma
https://democraticseekysiwo.shop/api
https://productivelookewr.shop/api
https://tolerateilusidjukl.shop/api
https://shatterbreathepsw.shop/api
https://shortsvelventysjo.shop/api
https://incredibleextedwj.shop/api
https://alcojoldwograpciw.shop/api
https://liabilitynighstjsko.shop/api
https://demonstationfukewko.shop/api
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
Processes:
chrosha.exe3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ chrosha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 76 1096 rundll32.exe 88 3012 rundll32.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
chrosha.exe3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion chrosha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion chrosha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
chrosha.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation chrosha.exe -
Executes dropped EXE 2 IoCs
Processes:
chrosha.exemix123.exepid process 4896 chrosha.exe 4428 mix123.exe -
Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exechrosha.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Software\Wine 3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exe Key opened \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Software\Wine chrosha.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 2800 rundll32.exe 1096 rundll32.exe 3012 rundll32.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exechrosha.exepid process 2032 3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exe 4896 chrosha.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
mix123.exedescription pid process target process PID 4428 set thread context of 4948 4428 mix123.exe RegAsm.exe -
Drops file in Windows directory 1 IoCs
Processes:
3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exedescription ioc process File created C:\Windows\Tasks\chrosha.job 3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2188 4428 WerFault.exe mix123.exe -
Suspicious behavior: EnumeratesProcesses 17 IoCs
Processes:
3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exechrosha.exerundll32.exepowershell.exepid process 2032 3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exe 2032 3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exe 4896 chrosha.exe 4896 chrosha.exe 1096 rundll32.exe 1096 rundll32.exe 1096 rundll32.exe 1096 rundll32.exe 1096 rundll32.exe 1096 rundll32.exe 1096 rundll32.exe 1096 rundll32.exe 1096 rundll32.exe 1096 rundll32.exe 3044 powershell.exe 3044 powershell.exe 3044 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 3044 powershell.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
chrosha.exemix123.exerundll32.exerundll32.exedescription pid process target process PID 4896 wrote to memory of 4428 4896 chrosha.exe mix123.exe PID 4896 wrote to memory of 4428 4896 chrosha.exe mix123.exe PID 4896 wrote to memory of 4428 4896 chrosha.exe mix123.exe PID 4428 wrote to memory of 4948 4428 mix123.exe RegAsm.exe PID 4428 wrote to memory of 4948 4428 mix123.exe RegAsm.exe PID 4428 wrote to memory of 4948 4428 mix123.exe RegAsm.exe PID 4428 wrote to memory of 4948 4428 mix123.exe RegAsm.exe PID 4428 wrote to memory of 4948 4428 mix123.exe RegAsm.exe PID 4428 wrote to memory of 4948 4428 mix123.exe RegAsm.exe PID 4428 wrote to memory of 4948 4428 mix123.exe RegAsm.exe PID 4428 wrote to memory of 4948 4428 mix123.exe RegAsm.exe PID 4428 wrote to memory of 4948 4428 mix123.exe RegAsm.exe PID 4896 wrote to memory of 2800 4896 chrosha.exe rundll32.exe PID 4896 wrote to memory of 2800 4896 chrosha.exe rundll32.exe PID 4896 wrote to memory of 2800 4896 chrosha.exe rundll32.exe PID 2800 wrote to memory of 1096 2800 rundll32.exe rundll32.exe PID 2800 wrote to memory of 1096 2800 rundll32.exe rundll32.exe PID 1096 wrote to memory of 556 1096 rundll32.exe netsh.exe PID 1096 wrote to memory of 556 1096 rundll32.exe netsh.exe PID 1096 wrote to memory of 3044 1096 rundll32.exe powershell.exe PID 1096 wrote to memory of 3044 1096 rundll32.exe powershell.exe PID 4896 wrote to memory of 3012 4896 chrosha.exe rundll32.exe PID 4896 wrote to memory of 3012 4896 chrosha.exe rundll32.exe PID 4896 wrote to memory of 3012 4896 chrosha.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exe"C:\Users\Admin\AppData\Local\Temp\3e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:2032
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C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exeC:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Users\Admin\AppData\Local\Temp\1000204001\mix123.exe"C:\Users\Admin\AppData\Local\Temp\1000204001\mix123.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4428 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵PID:4948
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 3563⤵
- Program crash
PID:2188
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll, Main2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2800 -
C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵PID:556
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\556644402199_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3044
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll, Main2⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:3012
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4428 -ip 44281⤵PID:940
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
460KB
MD5b0ad062d7a3c30ea28fc19a17342864b
SHA12f564ec9aa1b0d62ecd60f098742635dd69e01b2
SHA256b3e69d9ba38efb593238787f599ddf2c5d76207906126a7a3422c53a7d898d5a
SHA512c30dad0a60d6000473d9d8a64397898d3d710dab8c3bb336c27096b9f9dc2672022480d19c7b351ac2014508ac415fecf97182b88ff747a15dfeb805943e825a
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Filesize
1.8MB
MD5670d80fa661c8522d9b41984e7b412ad
SHA1f77cc61ead21e32644c77f9ca5ee89a5a9a4d3d6
SHA2563e3f4561497bb4c84871561e45fdec73f4f0389292b83f32ba29b1ebd350ce8e
SHA5124ce67408ca36d542019badcfffbf6e32f9b5f2cfad4194d3f01c0b70adcb62feb5420e71fba40b68887d32be61953d79801e53d28a4cd0fe3ff36c5144546e6e
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
109KB
MD5154c3f1334dd435f562672f2664fea6b
SHA151dd25e2ba98b8546de163b8f26e2972a90c2c79
SHA2565f431129f97f3d56929f1e5584819e091bd6c854d7e18503074737fc6d79e33f
SHA5121bca69bbcdb7ecd418769e9d4befc458f9f8e3cee81feb7316bb61e189e2904f4431e4cc7d291e179a5dec441b959d428d8e433f579036f763bbad6460222841
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Filesize
1.2MB
MD5f35b671fda2603ec30ace10946f11a90
SHA1059ad6b06559d4db581b1879e709f32f80850872
SHA25683e3df5bec15d5333935bea8b719a6d677e2fb3dc1cf9e18e7b82fd0438285c7
SHA512b5fa27d08c64727cef7fdda5e68054a4359cd697df50d70d1d90da583195959a139066a6214531bbc5f20cd4f9bc1ca3e4244396547381291a6a1d2df9cf8705