Analysis
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max time kernel
143s -
max time network
151s -
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 19:28
Static task
static1
Behavioral task
behavioral1
Sample
74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.exe
Resource
win10v2004-20240412-en
General
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Target
74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.exe
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Size
1.9MB
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MD5
7d79a3da2d6473ba0ea8a7e7449107ba
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SHA1
ffa0c558fd4ebd44aaa9942336703975baa91ea4
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SHA256
74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33
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SHA512
2b20aa6dbc19e687dc8c448e7ae9d9ce72e1f2c131a7df29eefe2e3381352d07db580a71aa784c3dd35fd32b6d4c0e371e564e0cfa8840b8c2d2619f9f6bc31d
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SSDEEP
49152:9qemjxgDDGCVawZAYYJlI57F02fqQvRsun:9KIGwZAYYAbzsK
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:
74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.exechrosha.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ chrosha.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 124 3980 rundll32.exe 133 1688 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.exe74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion chrosha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion chrosha.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-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation chrosha.exe -
Executes dropped EXE 2 IoCs
Processes:
chrosha.exemix123.exepid process 4384 chrosha.exe 3892 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:
74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.exechrosha.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Wine 74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.exe Key opened \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Wine chrosha.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 2372 rundll32.exe 3980 rundll32.exe 1688 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:
74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.exechrosha.exepid process 3896 74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.exe 4384 chrosha.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
mix123.exedescription pid process target process PID 3892 set thread context of 4308 3892 mix123.exe RegAsm.exe -
Drops file in Windows directory 1 IoCs
Processes:
74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.exedescription ioc process File created C:\Windows\Tasks\chrosha.job 74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.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 1232 3892 WerFault.exe mix123.exe -
Suspicious behavior: EnumeratesProcesses 17 IoCs
Processes:
74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.exechrosha.exerundll32.exepowershell.exepid process 3896 74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.exe 3896 74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.exe 4384 chrosha.exe 4384 chrosha.exe 3980 rundll32.exe 3980 rundll32.exe 3980 rundll32.exe 3980 rundll32.exe 3980 rundll32.exe 3980 rundll32.exe 3980 rundll32.exe 3980 rundll32.exe 3980 rundll32.exe 3980 rundll32.exe 3876 powershell.exe 3876 powershell.exe 3876 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 3876 powershell.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
chrosha.exemix123.exerundll32.exerundll32.exedescription pid process target process PID 4384 wrote to memory of 3892 4384 chrosha.exe mix123.exe PID 4384 wrote to memory of 3892 4384 chrosha.exe mix123.exe PID 4384 wrote to memory of 3892 4384 chrosha.exe mix123.exe PID 3892 wrote to memory of 4308 3892 mix123.exe RegAsm.exe PID 3892 wrote to memory of 4308 3892 mix123.exe RegAsm.exe PID 3892 wrote to memory of 4308 3892 mix123.exe RegAsm.exe PID 3892 wrote to memory of 4308 3892 mix123.exe RegAsm.exe PID 3892 wrote to memory of 4308 3892 mix123.exe RegAsm.exe PID 3892 wrote to memory of 4308 3892 mix123.exe RegAsm.exe PID 3892 wrote to memory of 4308 3892 mix123.exe RegAsm.exe PID 3892 wrote to memory of 4308 3892 mix123.exe RegAsm.exe PID 3892 wrote to memory of 4308 3892 mix123.exe RegAsm.exe PID 4384 wrote to memory of 2372 4384 chrosha.exe rundll32.exe PID 4384 wrote to memory of 2372 4384 chrosha.exe rundll32.exe PID 4384 wrote to memory of 2372 4384 chrosha.exe rundll32.exe PID 2372 wrote to memory of 3980 2372 rundll32.exe rundll32.exe PID 2372 wrote to memory of 3980 2372 rundll32.exe rundll32.exe PID 3980 wrote to memory of 4584 3980 rundll32.exe netsh.exe PID 3980 wrote to memory of 4584 3980 rundll32.exe netsh.exe PID 3980 wrote to memory of 3876 3980 rundll32.exe powershell.exe PID 3980 wrote to memory of 3876 3980 rundll32.exe powershell.exe PID 4384 wrote to memory of 1688 4384 chrosha.exe rundll32.exe PID 4384 wrote to memory of 1688 4384 chrosha.exe rundll32.exe PID 4384 wrote to memory of 1688 4384 chrosha.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.exe"C:\Users\Admin\AppData\Local\Temp\74e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33.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:3896
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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:4384 -
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:3892 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵PID:4308
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 3563⤵
- Program crash
PID:1232 -
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:2372 -
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:3980 -
C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵PID:4584
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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\597858682981_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3876 -
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:1688
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3892 -ip 38921⤵PID:4316
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
1.9MB
MD57d79a3da2d6473ba0ea8a7e7449107ba
SHA1ffa0c558fd4ebd44aaa9942336703975baa91ea4
SHA25674e4f20e127f4c8219df419238a76ea45089f4c17c7b5d29128a1269978e5e33
SHA5122b20aa6dbc19e687dc8c448e7ae9d9ce72e1f2c131a7df29eefe2e3381352d07db580a71aa784c3dd35fd32b6d4c0e371e564e0cfa8840b8c2d2619f9f6bc31d
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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