Analysis
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max time kernel
144s -
max time network
140s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
22-03-2024 07:29
Static task
static1
Behavioral task
behavioral1
Sample
38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exe
Resource
win10v2004-20240226-en
General
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Target
38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exe
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Size
1.8MB
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MD5
891b9eb3c81a900f54d6ad9567ff53e8
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SHA1
7a713c933b0223617d2709ea6bcad8ec6aec1257
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SHA256
38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce
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SHA512
a59de6c73fc479430562ba0b7fbbecbf01339421067f0f9180dc0e75f5127dac00907685f90655be33ca4de527b5118682e1b5e4f020dfa662353174d0f74659
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SSDEEP
49152:x/GlUl/bUUoen18NpVyFQVfsmPia61/XSYg:xelPTA1QbSQVfsmcPg
Malware Config
Extracted
amadey
4.18
http://193.233.132.56
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install_dir
09fd851a4f
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install_file
explorha.exe
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strings_key
443351145ece4966ded809641c77cfa8
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url_paths
/Pneh2sXQk0/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
Processes:
explorha.exe38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exeexplorha.exe6672f26b65.exeexplorha.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 6672f26b65.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 4 4960 rundll32.exe 5 560 rundll32.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorha.exeexplorha.exeexplorha.exe6672f26b65.exe38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exedescription ioc process 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 6672f26b65.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\SystemBiosVersion 38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 6672f26b65.exe -
Executes dropped EXE 5 IoCs
Processes:
explorha.exe6672f26b65.exeexplorha.exeexplorha.exeexplorha.exepid process 3016 explorha.exe 740 6672f26b65.exe 3916 explorha.exe 1956 explorha.exe 4712 explorha.exe -
Identifies Wine through registry keys 2 TTPs 5 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
explorha.exeexplorha.exe38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exeexplorha.exe6672f26b65.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine 38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exe Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine 6672f26b65.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 1540 rundll32.exe 4960 rundll32.exe 560 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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
explorha.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Windows\CurrentVersion\Run\6672f26b65.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000022001\\6672f26b65.exe" explorha.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exeexplorha.exeexplorha.exeexplorha.exepid process 4928 38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exe 3016 explorha.exe 1956 explorha.exe 4712 explorha.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
explorha.exedescription pid process target process PID 3016 set thread context of 3916 3016 explorha.exe explorha.exe -
Drops file in Windows directory 1 IoCs
Processes:
38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exedescription ioc process File created C:\Windows\Tasks\explorha.job 38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exeexplorha.exerundll32.exepowershell.exeexplorha.exeexplorha.exepid process 4928 38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exe 4928 38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exe 3016 explorha.exe 3016 explorha.exe 4960 rundll32.exe 4960 rundll32.exe 4960 rundll32.exe 4960 rundll32.exe 4960 rundll32.exe 4960 rundll32.exe 4960 rundll32.exe 4960 rundll32.exe 4960 rundll32.exe 4960 rundll32.exe 3292 powershell.exe 3292 powershell.exe 1956 explorha.exe 1956 explorha.exe 4712 explorha.exe 4712 explorha.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 3292 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exepid process 4928 38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exeexplorha.exerundll32.exerundll32.exedescription pid process target process PID 4928 wrote to memory of 3016 4928 38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exe explorha.exe PID 4928 wrote to memory of 3016 4928 38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exe explorha.exe PID 4928 wrote to memory of 3016 4928 38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exe explorha.exe PID 3016 wrote to memory of 1540 3016 explorha.exe rundll32.exe PID 3016 wrote to memory of 1540 3016 explorha.exe rundll32.exe PID 3016 wrote to memory of 1540 3016 explorha.exe rundll32.exe PID 1540 wrote to memory of 4960 1540 rundll32.exe rundll32.exe PID 1540 wrote to memory of 4960 1540 rundll32.exe rundll32.exe PID 4960 wrote to memory of 4916 4960 rundll32.exe netsh.exe PID 4960 wrote to memory of 4916 4960 rundll32.exe netsh.exe PID 4960 wrote to memory of 3292 4960 rundll32.exe powershell.exe PID 4960 wrote to memory of 3292 4960 rundll32.exe powershell.exe PID 3016 wrote to memory of 740 3016 explorha.exe 6672f26b65.exe PID 3016 wrote to memory of 740 3016 explorha.exe 6672f26b65.exe PID 3016 wrote to memory of 740 3016 explorha.exe 6672f26b65.exe PID 3016 wrote to memory of 560 3016 explorha.exe rundll32.exe PID 3016 wrote to memory of 560 3016 explorha.exe rundll32.exe PID 3016 wrote to memory of 560 3016 explorha.exe rundll32.exe PID 3016 wrote to memory of 3916 3016 explorha.exe explorha.exe PID 3016 wrote to memory of 3916 3016 explorha.exe explorha.exe PID 3016 wrote to memory of 3916 3016 explorha.exe explorha.exe PID 3016 wrote to memory of 3916 3016 explorha.exe explorha.exe PID 3016 wrote to memory of 3916 3016 explorha.exe explorha.exe PID 3016 wrote to memory of 3916 3016 explorha.exe explorha.exe PID 3016 wrote to memory of 3916 3016 explorha.exe explorha.exe PID 3016 wrote to memory of 3916 3016 explorha.exe explorha.exe PID 3016 wrote to memory of 3916 3016 explorha.exe explorha.exe PID 3016 wrote to memory of 3916 3016 explorha.exe explorha.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.exe"C:\Users\Admin\AppData\Local\Temp\38310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce.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:4928 -
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
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3016 -
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:1540 -
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:4960 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:4916
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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\181651180316_Desktop.zip' -CompressionLevel Optimal5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3292
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C:\Users\Admin\AppData\Local\Temp\1000022001\6672f26b65.exe"C:\Users\Admin\AppData\Local\Temp\1000022001\6672f26b65.exe"3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
PID:740
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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:560
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C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"3⤵
- Executes dropped EXE
PID:3916
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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:1956
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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:4712
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Unsecured Credentials
3Credentials In Files
2Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
416KB
MD570fc32c3c7590fb5608b5d346b90fdce
SHA1231a31f51bfc2315a7fb71a8738d99b869c31f4e
SHA256a7dc990286b87b058c2fa7d924998f2dff0510a184da13205079b2e12cb3a0d3
SHA5125b3ff6f3e43ebc4092427cbfa139c4067cd841bb5cddac12842f81c5ab21040837edd9c5f8af151d8c0d3a7df57181db85add57663c463fc8ce53a27a9f37cf3
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Filesize
480KB
MD5b7ff17f1dc4b459df068f4a35206c1b2
SHA116f6050177b93961b2b35679f87ae01a4419cc88
SHA256a142f1b41811188fc98f55b356cc21868b0a2b5884d5480e38644461d9bfd498
SHA51279ddd4d1c923b9c5c82e352c2edd8b495efffc9b9e04aee86fdee493eb5245b75cb7326f06680858b9880656c0c52742e90e7ceee58e0e0bf18a8a8ae9ae66e0
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Filesize
1.8MB
MD5891b9eb3c81a900f54d6ad9567ff53e8
SHA17a713c933b0223617d2709ea6bcad8ec6aec1257
SHA25638310fb4bf38f7b2924e59bac61d58eea4a97bc05513bd19434879f0bfc133ce
SHA512a59de6c73fc479430562ba0b7fbbecbf01339421067f0f9180dc0e75f5127dac00907685f90655be33ca4de527b5118682e1b5e4f020dfa662353174d0f74659
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Filesize
3.0MB
MD5074217fa9913bbbf4219e68eba6f6178
SHA19ed6caa2076523f5b379afe349bc8e183ed3e6ba
SHA256f77b7784833fe2b6800f54a26fb390f014851e8ec8e9ffbf3d8d3d4d80999a05
SHA512a2dc6725d1dbd46e2178ecb8b9a7c8714a54e6a141f0f841b1e2bbddbe5eacf55f6f42ea84544fe0f0921963a334aff37c71a5fb52cded39dfa53f69fe2f6960
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
109KB
MD5726cd06231883a159ec1ce28dd538699
SHA1404897e6a133d255ad5a9c26ac6414d7134285a2
SHA25612fef2d5995d671ec0e91bdbdc91e2b0d3c90ed3a8b2b13ddaa8ad64727dcd46
SHA5129ea82e7cb6c6a58446bd5033855947c3e2d475d2910f2b941235e0b96aa08eec822d2dd17cc86b2d3fce930f78b799291992408e309a6c63e3011266810ea83e
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Filesize
1.2MB
MD515a42d3e4579da615a384c717ab2109b
SHA122aeedeb2307b1370cdab70d6a6b6d2c13ad2301
SHA2563c97bb410e49b11af8116feb7240b7101e1967cae7538418c45c3d2e072e8103
SHA5121eb7f126dccc88a2479e3818c36120f5af3caa0d632b9ea803485ee6531d6e2a1fd0805b1c4364983d280df23ea5ca3ad4a5fca558ac436efae36af9b795c444