Analysis
- max time kernel
149s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system - submitted
08/04/2024, 00:36
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.exe
Resource
win10v2004-20240226-en
40 signatures
150 seconds
General
- Target 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.exe
- Size 1.9MB
- Sample240408-ayd85sbd9v
- SHA256 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f
- MD5 99c76104d65d273c09dfc9ca51797705
- SHA1 9d72731a43897d2fd487f3f8a9b26bf2e0c1aa57
- SHA512 f5a65b1c79c00cb7202178fd8b05bcbd6ddb39d20ef19d67e8299d6c3dd86cbd1b58e09f573ecd6baf3d92a9ecbd424f85cf3865c0e326c946e2848cd4ea8308
- SSDEEP 49152:E9fJ7Cbh2OawlstMIbj8If4FgQQ51L657PdF7fhdaY:MxjwlEhj8IgFgh51Lk7PjThd
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
amadey
Version
-
4.18
C2
-
http://193.233.132.56
Attributes
-
install_dir
09fd851a4f
-
install_file
explorha.exe
-
strings_key
443351145ece4966ded809641c77cfa8
-
url_paths
/Pneh2sXQk0/index.php
rc4.plain
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.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
flow pid Process 3 1120 rundll32.exe 4 224 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.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.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 explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.exe - Executes dropped EXE 3 IoCs
pid Process 4360 explorha.exe 1336 explorha.exe 3808 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.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3852399462-405385529-394778097-1000\Software\Wine 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.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 Key opened \REGISTRY\USER\S-1-5-21-3852399462-405385529-394778097-1000\Software\Wine explorha.exe - Loads dropped DLL 3 IoCs
pid Process 2876 rundll32.exe 1120 rundll32.exe 224 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
pid Process 2808 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.exe 4360 explorha.exe 1336 explorha.exe 3808 explorha.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorha.job 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2808 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.exe 2808 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.exe 4360 explorha.exe 4360 explorha.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 2448 powershell.exe 2448 powershell.exe 1336 explorha.exe 1336 explorha.exe 3808 explorha.exe 3808 explorha.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2448 powershell.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2808 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2808 wrote to memory of 4360 2808 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.exe 80 PID 2808 wrote to memory of 4360 2808 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.exe 80 PID 2808 wrote to memory of 4360 2808 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.exe 80 PID 4360 wrote to memory of 2876 4360 explorha.exe 81 PID 4360 wrote to memory of 2876 4360 explorha.exe 81 PID 4360 wrote to memory of 2876 4360 explorha.exe 81 PID 2876 wrote to memory of 1120 2876 rundll32.exe 82 PID 2876 wrote to memory of 1120 2876 rundll32.exe 82 PID 1120 wrote to memory of 4028 1120 rundll32.exe 83 PID 1120 wrote to memory of 4028 1120 rundll32.exe 83 PID 1120 wrote to memory of 2448 1120 rundll32.exe 85 PID 1120 wrote to memory of 2448 1120 rundll32.exe 85 PID 4360 wrote to memory of 224 4360 explorha.exe 87 PID 4360 wrote to memory of 224 4360 explorha.exe 87 PID 4360 wrote to memory of 224 4360 explorha.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.exe"C:\Users\Admin\AppData\Local\Temp\21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.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:2808 -
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:4360 -
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:2876 -
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:1120 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:4028
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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:2448
-
-
-
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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:224
-
-
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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:1336
-
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:3808
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
- Size 1.9MB
- SHA256 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f
- MD5 99c76104d65d273c09dfc9ca51797705
- SHA1 9d72731a43897d2fd487f3f8a9b26bf2e0c1aa57
- SHA512 f5a65b1c79c00cb7202178fd8b05bcbd6ddb39d20ef19d67e8299d6c3dd86cbd1b58e09f573ecd6baf3d92a9ecbd424f85cf3865c0e326c946e2848cd4ea8308
- SSDEEP 49152:E9fJ7Cbh2OawlstMIbj8If4FgQQ51L657PdF7fhdaY:MxjwlEhj8IgFgh51Lk7PjThd
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ask0g132.qzs.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll
- Size 109KB
- SHA256 12fef2d5995d671ec0e91bdbdc91e2b0d3c90ed3a8b2b13ddaa8ad64727dcd46
- MD5 726cd06231883a159ec1ce28dd538699
- SHA1 404897e6a133d255ad5a9c26ac6414d7134285a2
- SHA512 9ea82e7cb6c6a58446bd5033855947c3e2d475d2910f2b941235e0b96aa08eec822d2dd17cc86b2d3fce930f78b799291992408e309a6c63e3011266810ea83e
- SSDEEP 3072:Q3uSD+ZwruS0bGcuZRt2sSZV/Q3IegRQod4l:AuTiabHuZRAFtlD4l
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll
- Size 1.2MB
- SHA256 3c97bb410e49b11af8116feb7240b7101e1967cae7538418c45c3d2e072e8103
- MD5 15a42d3e4579da615a384c717ab2109b
- SHA1 22aeedeb2307b1370cdab70d6a6b6d2c13ad2301
- SHA512 1eb7f126dccc88a2479e3818c36120f5af3caa0d632b9ea803485ee6531d6e2a1fd0805b1c4364983d280df23ea5ca3ad4a5fca558ac436efae36af9b795c444
- SSDEEP 24576:IvkQL6YY4wMPSYZofkf0Gh6Pi41+a9uyP5dggky+yC7:IsMPSYcS5wPi095Pbg9y
- MD5 SHA1 SHA512 SSDEEP