Analysis
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max time kernel
143s -
max time network
137s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
28-03-2024 07:13
Static task
static1
Behavioral task
behavioral1
Sample
a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75.exe
Resource
win10v2004-20240226-en
General
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Target
a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75.exe
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Size
1.8MB
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MD5
ce12d53b79bc85280e0597b4fb0452ef
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SHA1
1b120488d3706f323e750a7be0b91268481bd4d1
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SHA256
a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75
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SHA512
36eaee1bdc72e4e408c83d6c07bbd3b951c20444f01903240507be554c027ec476a8a25039c6f5c5ecd5829087d3eb54a75b671f1994e857358610569f6dfd84
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SSDEEP
24576:D22GaIxEpiz2tQu4IilNooPqpFVJs53tpIGSS7rWuwLz1FM7iKndC0S3ZtuJEIb0:jGLfFuRCYs56aWJAbUH3WJ9s
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 4 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75.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 3324 rundll32.exe 4 2832 rundll32.exe -
Downloads MZ/PE file
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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 a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75.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 a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75.exe -
Executes dropped EXE 3 IoCs
pid Process 3052 explorha.exe 4852 explorha.exe 1240 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-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75.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 explorha.exe Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine explorha.exe -
Loads dropped DLL 3 IoCs
pid Process 3124 rundll32.exe 3324 rundll32.exe 2832 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 4 IoCs
pid Process 3472 a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75.exe 3052 explorha.exe 4852 explorha.exe 1240 explorha.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorha.job a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75.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
pid Process 3472 a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75.exe 3472 a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75.exe 3052 explorha.exe 3052 explorha.exe 3324 rundll32.exe 3324 rundll32.exe 3324 rundll32.exe 3324 rundll32.exe 3324 rundll32.exe 3324 rundll32.exe 3324 rundll32.exe 3324 rundll32.exe 3324 rundll32.exe 3324 rundll32.exe 2644 powershell.exe 2644 powershell.exe 4852 explorha.exe 4852 explorha.exe 1240 explorha.exe 1240 explorha.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2644 powershell.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3472 wrote to memory of 3052 3472 a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75.exe 78 PID 3472 wrote to memory of 3052 3472 a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75.exe 78 PID 3472 wrote to memory of 3052 3472 a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75.exe 78 PID 3052 wrote to memory of 3124 3052 explorha.exe 79 PID 3052 wrote to memory of 3124 3052 explorha.exe 79 PID 3052 wrote to memory of 3124 3052 explorha.exe 79 PID 3124 wrote to memory of 3324 3124 rundll32.exe 80 PID 3124 wrote to memory of 3324 3124 rundll32.exe 80 PID 3324 wrote to memory of 1452 3324 rundll32.exe 81 PID 3324 wrote to memory of 1452 3324 rundll32.exe 81 PID 3324 wrote to memory of 2644 3324 rundll32.exe 83 PID 3324 wrote to memory of 2644 3324 rundll32.exe 83 PID 3052 wrote to memory of 2832 3052 explorha.exe 85 PID 3052 wrote to memory of 2832 3052 explorha.exe 85 PID 3052 wrote to memory of 2832 3052 explorha.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75.exe"C:\Users\Admin\AppData\Local\Temp\a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75.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 WriteProcessMemory
PID:3472 -
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:3052 -
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:3124 -
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:3324 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:1452
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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:2644
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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:2832
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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:4852
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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:1240
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
231KB
MD5adc8751fea06f5fdeee0fd99b65780ec
SHA1d38d8e5176958d83a1ddde09de59137bc960f0bc
SHA256f780f64e8e266027edb2c16420676b5e6705cb4b6d6b2fedee8d695577f34c52
SHA5129e40c1b217440ef6c52e6ca07050e90ecaa46b161d31697570b8da7370fe9b55bca4d7f1a0019d07465fa87189c82a1122382643e0062bf2d92b15ff645515af
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Filesize
289KB
MD533ffd3180ead747cf76d5f1a8d9f72d7
SHA1c91e3de9f3f752e3208f853c46e91967c6f814ba
SHA256acdcf8925ff3350d93231b7233139a97c5a207c89bfce2f69c322e9e408a96c3
SHA512f22e89151246a5382dcaa808284a702d80dad77b0f78f52031b7ba5265659cf920bf85683a1524004cbeb60fb2848a45950a4e2d1aad8613e6d33297cdeae17a
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Filesize
354KB
MD54a091620595655ea2aa0970632bab099
SHA1bb32b3e9acad9f79c9e81b4ae01cda43eac1b3a8
SHA256e93a19847934d6c89bb5ca71b1e573cb12834ab909d593baa04bf19b7bb6a82b
SHA51223bfa0a1e47124d15eb4746da7855177734dbd7cb307d8054db2cfe0e4e1bc465620699d7649fb4eddb2c27cf0ad7fb66906b025ecab4c08416dcc31c251f6e5
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Filesize
1.8MB
MD5ce12d53b79bc85280e0597b4fb0452ef
SHA11b120488d3706f323e750a7be0b91268481bd4d1
SHA256a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75
SHA51236eaee1bdc72e4e408c83d6c07bbd3b951c20444f01903240507be554c027ec476a8a25039c6f5c5ecd5829087d3eb54a75b671f1994e857358610569f6dfd84
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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