Analysis
-
max time kernel
148s -
max time network
158s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-03-2024 14:14
Static task
static1
Behavioral task
behavioral1
Sample
73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exe
Resource
win10v2004-20240226-en
General
-
Target
73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exe
-
Size
1.9MB
-
MD5
63d5469fa882500882de9a0507a978ff
-
SHA1
1325a250d3cd329e2d80531b156a5684b107c0ff
-
SHA256
73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f
-
SHA512
eb0329f192c50a57468deeca060eed775e7691633653870f6a5514b4d0a0393745fec8bfe042c5441a2e2b6ebfa2628fa95196074f7d893b153736af80b39d4d
-
SSDEEP
49152:VFmBNlE2+2flGqTu5nUa/H+Hebaaym/a2kUD:vmDNflF5a/+HeCm/aNk
Malware Config
Extracted
amadey
4.18
http://193.233.132.56
-
install_dir
09fd851a4f
-
install_file
explorha.exe
-
strings_key
443351145ece4966ded809641c77cfa8
-
url_paths
/Pneh2sXQk0/index.php
Extracted
amadey
4.18
http://193.233.132.56
-
strings_key
443351145ece4966ded809641c77cfa8
-
url_paths
/Pneh2sXQk0/index.php
Signatures
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
Processes:
73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exeexplorha.exeexplorha.exeexplorha.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 12 1872 rundll32.exe 13 884 rundll32.exe -
Downloads MZ/PE file
-
Checks BIOS information in registry 2 TTPs 8 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorha.exeexplorha.exeexplorha.exe73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe -
Executes dropped EXE 3 IoCs
Processes:
explorha.exeexplorha.exeexplorha.exepid process 1636 explorha.exe 3076 explorha.exe 1496 explorha.exe -
Identifies Wine through registry keys 2 TTPs 4 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
explorha.exe73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exeexplorha.exeexplorha.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Wine 73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exe Key opened \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Wine explorha.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 2224 rundll32.exe 1872 rundll32.exe 884 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.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exeexplorha.exeexplorha.exeexplorha.exepid process 4816 73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exe 1636 explorha.exe 3076 explorha.exe 1496 explorha.exe -
Drops file in Windows directory 1 IoCs
Processes:
73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exedescription ioc process File created C:\Windows\Tasks\explorha.job 73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exeexplorha.exerundll32.exepowershell.exeexplorha.exeexplorha.exepid process 4816 73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exe 4816 73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exe 1636 explorha.exe 1636 explorha.exe 1872 rundll32.exe 1872 rundll32.exe 1872 rundll32.exe 1872 rundll32.exe 1872 rundll32.exe 1872 rundll32.exe 1872 rundll32.exe 1872 rundll32.exe 1872 rundll32.exe 1872 rundll32.exe 4776 powershell.exe 4776 powershell.exe 3076 explorha.exe 3076 explorha.exe 1496 explorha.exe 1496 explorha.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 4776 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exepid process 4816 73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exeexplorha.exerundll32.exerundll32.exedescription pid process target process PID 4816 wrote to memory of 1636 4816 73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exe explorha.exe PID 4816 wrote to memory of 1636 4816 73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exe explorha.exe PID 4816 wrote to memory of 1636 4816 73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exe explorha.exe PID 1636 wrote to memory of 2224 1636 explorha.exe rundll32.exe PID 1636 wrote to memory of 2224 1636 explorha.exe rundll32.exe PID 1636 wrote to memory of 2224 1636 explorha.exe rundll32.exe PID 2224 wrote to memory of 1872 2224 rundll32.exe rundll32.exe PID 2224 wrote to memory of 1872 2224 rundll32.exe rundll32.exe PID 1872 wrote to memory of 3388 1872 rundll32.exe netsh.exe PID 1872 wrote to memory of 3388 1872 rundll32.exe netsh.exe PID 1872 wrote to memory of 4776 1872 rundll32.exe powershell.exe PID 1872 wrote to memory of 4776 1872 rundll32.exe powershell.exe PID 1636 wrote to memory of 884 1636 explorha.exe rundll32.exe PID 1636 wrote to memory of 884 1636 explorha.exe rundll32.exe PID 1636 wrote to memory of 884 1636 explorha.exe rundll32.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.exe"C:\Users\Admin\AppData\Local\Temp\73c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f.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
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4816 -
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1872 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:3388
-
-
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\271347359027_Desktop.zip' -CompressionLevel Optimal5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4776
-
-
-
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:884
-
-
-
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exeC:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3076
-
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exeC:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1496
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.9MB
MD563d5469fa882500882de9a0507a978ff
SHA11325a250d3cd329e2d80531b156a5684b107c0ff
SHA25673c5d9e43e4b6e5c6ba65b7dae9c0fb32f77a1700fc070bc196b30352f1b258f
SHA512eb0329f192c50a57468deeca060eed775e7691633653870f6a5514b4d0a0393745fec8bfe042c5441a2e2b6ebfa2628fa95196074f7d893b153736af80b39d4d
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
109KB
MD5726cd06231883a159ec1ce28dd538699
SHA1404897e6a133d255ad5a9c26ac6414d7134285a2
SHA25612fef2d5995d671ec0e91bdbdc91e2b0d3c90ed3a8b2b13ddaa8ad64727dcd46
SHA5129ea82e7cb6c6a58446bd5033855947c3e2d475d2910f2b941235e0b96aa08eec822d2dd17cc86b2d3fce930f78b799291992408e309a6c63e3011266810ea83e
-
Filesize
1.2MB
MD515a42d3e4579da615a384c717ab2109b
SHA122aeedeb2307b1370cdab70d6a6b6d2c13ad2301
SHA2563c97bb410e49b11af8116feb7240b7101e1967cae7538418c45c3d2e072e8103
SHA5121eb7f126dccc88a2479e3818c36120f5af3caa0d632b9ea803485ee6531d6e2a1fd0805b1c4364983d280df23ea5ca3ad4a5fca558ac436efae36af9b795c444
-
Filesize
736KB
MD54c1cd7dea01abf2afae85084b00f680f
SHA102368c7ad609e07dea209522deea856b60dd29e0
SHA256e3cae73a5396bde7bd883d46909d92c3acd2e92eec5753ad40a8912c1647561d
SHA5122e8c3d18ddb47ea84df0a662c5837483609b6a4e28b575221d882b868d961989ea70868bd539d6f8fd059264bdc0fb45ffbb947a51f83d912ca9aad921b9ec80