Analysis
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max time kernel
159s -
max time network
161s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
21-03-2024 16:38
Static task
static1
Behavioral task
behavioral1
Sample
bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exe
Resource
win10v2004-20240226-en
General
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Target
bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exe
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Size
1.9MB
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MD5
b1bfd16f35848d30560e6a0e99c887d3
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SHA1
0f8027e02cc56bc80ea782a1a59e7ba965fe4395
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SHA256
bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1
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SHA512
f4cb66e651be658714c1eccbda51daff7ae7dab3bc3def6e37123aeb8814fddabf874bd5642e6fdf74647806305988396468524885d0325e3253d2f2f602fd7e
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SSDEEP
49152:5Dc0LYraYSymfXZi3Hgpp/BKPZhmDhI/JwH/4Dqw:Bc0LYudiQpp/BKhh4hywE
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
Extracted
amadey
4.18
http://193.233.132.56
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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:
bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exeexplorha.exee99087d44e.exeexplorha.exeexplorha.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ e99087d44e.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 18 3276 rundll32.exe 19 796 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:
e99087d44e.exeexplorha.exebb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exeexplorha.exeexplorha.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion e99087d44e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion e99087d44e.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 bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe -
Executes dropped EXE 4 IoCs
Processes:
explorha.exee99087d44e.exeexplorha.exeexplorha.exepid process 4540 explorha.exe 3540 e99087d44e.exe 1248 explorha.exe 3708 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:
bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exeexplorha.exee99087d44e.exeexplorha.exeexplorha.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3852399462-405385529-394778097-1000\Software\Wine bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exe Key opened \REGISTRY\USER\S-1-5-21-3852399462-405385529-394778097-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3852399462-405385529-394778097-1000\Software\Wine e99087d44e.exe Key opened \REGISTRY\USER\S-1-5-21-3852399462-405385529-394778097-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3852399462-405385529-394778097-1000\Software\Wine explorha.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 1308 rundll32.exe 3276 rundll32.exe 796 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-1-5-21-3852399462-405385529-394778097-1000\Software\Microsoft\Windows\CurrentVersion\Run\e99087d44e.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000022001\\e99087d44e.exe" explorha.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exeexplorha.exeexplorha.exeexplorha.exepid process 4008 bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exe 4540 explorha.exe 1248 explorha.exe 3708 explorha.exe -
Drops file in Windows directory 1 IoCs
Processes:
bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exedescription ioc process File created C:\Windows\Tasks\explorha.job bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.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:
bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exeexplorha.exerundll32.exepowershell.exeexplorha.exeexplorha.exepid process 4008 bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exe 4008 bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exe 4540 explorha.exe 4540 explorha.exe 3276 rundll32.exe 3276 rundll32.exe 3276 rundll32.exe 3276 rundll32.exe 3276 rundll32.exe 3276 rundll32.exe 3276 rundll32.exe 3276 rundll32.exe 3276 rundll32.exe 3276 rundll32.exe 5112 powershell.exe 5112 powershell.exe 1248 explorha.exe 1248 explorha.exe 3708 explorha.exe 3708 explorha.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 5112 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exepid process 4008 bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exeexplorha.exerundll32.exerundll32.exedescription pid process target process PID 4008 wrote to memory of 4540 4008 bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exe explorha.exe PID 4008 wrote to memory of 4540 4008 bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exe explorha.exe PID 4008 wrote to memory of 4540 4008 bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exe explorha.exe PID 4540 wrote to memory of 3540 4540 explorha.exe e99087d44e.exe PID 4540 wrote to memory of 3540 4540 explorha.exe e99087d44e.exe PID 4540 wrote to memory of 3540 4540 explorha.exe e99087d44e.exe PID 4540 wrote to memory of 3192 4540 explorha.exe explorha.exe PID 4540 wrote to memory of 3192 4540 explorha.exe explorha.exe PID 4540 wrote to memory of 3192 4540 explorha.exe explorha.exe PID 4540 wrote to memory of 1308 4540 explorha.exe rundll32.exe PID 4540 wrote to memory of 1308 4540 explorha.exe rundll32.exe PID 4540 wrote to memory of 1308 4540 explorha.exe rundll32.exe PID 1308 wrote to memory of 3276 1308 rundll32.exe rundll32.exe PID 1308 wrote to memory of 3276 1308 rundll32.exe rundll32.exe PID 3276 wrote to memory of 1760 3276 rundll32.exe netsh.exe PID 3276 wrote to memory of 1760 3276 rundll32.exe netsh.exe PID 3276 wrote to memory of 5112 3276 rundll32.exe powershell.exe PID 3276 wrote to memory of 5112 3276 rundll32.exe powershell.exe PID 4540 wrote to memory of 796 4540 explorha.exe rundll32.exe PID 4540 wrote to memory of 796 4540 explorha.exe rundll32.exe PID 4540 wrote to memory of 796 4540 explorha.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.exe"C:\Users\Admin\AppData\Local\Temp\bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1.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:4008 -
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 behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4540 -
C:\Users\Admin\AppData\Local\Temp\1000022001\e99087d44e.exe"C:\Users\Admin\AppData\Local\Temp\1000022001\e99087d44e.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:3540
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C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"3⤵PID:3192
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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:1308 -
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:3276 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:1760
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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\852399462405_Desktop.zip' -CompressionLevel Optimal5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5112
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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:796
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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:1248
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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:3708
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
1.9MB
MD5b1bfd16f35848d30560e6a0e99c887d3
SHA10f8027e02cc56bc80ea782a1a59e7ba965fe4395
SHA256bb08b11c025087de2ead33e55a384cddfbe4c478eb21f1ae9a5b964d5a6acfa1
SHA512f4cb66e651be658714c1eccbda51daff7ae7dab3bc3def6e37123aeb8814fddabf874bd5642e6fdf74647806305988396468524885d0325e3253d2f2f602fd7e
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Filesize
192KB
MD5b3d1cd4dbb370c9c4589a018bbd2ff31
SHA16004408cf0f2eab04a9cc03aad4a00aaf0ff4ece
SHA256033347212910124264e92a50579825f8fd089d0ef639cf90a137ba6313e43c77
SHA512057a2ed8095d4e199d00df01d08392590200528f1ef6d68c7951d99e0aab10898722a7a2285ceff073e50a4a64b83e8f8ec9c5b54a5f1813e4341df21c14cd0e
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Filesize
3.0MB
MD50723cd1edd524399eeb9458943e74d88
SHA15e7431fc098b97ec28cb871c919c2ee369cd145e
SHA2563721813afef6b93791d2a5f7145cb5b9d0d1b0ddb8c50e39d1d99c8cc308ffed
SHA51226d6f917d76f067172bf92ba5136eec6e016cb9c48fbf975e0afd6c081f951f315943b86bf5d53e1cd64f5319ae6993a639d19f1ecd11e9e2cd051ae5a204561
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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
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Filesize
1.1MB
MD5d08717279786cbf20e38936c8e84349a
SHA147f2fcb86ea9e4ea22ac48dddd1cb97259277aac
SHA256a5ff4825e01b5095590308fd1b2f359ecf12d75dd6d5ec3a90fd37917cb925fc
SHA512e53138363bef8917900ba75894a933748b65c6e576c69c46c3b08615153fe54aef80fed8dba6fac86887d9e82e7d6974c6d037bfe8239e98fe326fcd6f185deb