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Analysis
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max time kernel
152s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
15/03/2024, 11:36
Static task
static1
Behavioral task
behavioral1
Sample
dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.exe
Resource
win7-20240221-en
General
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Target
dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.exe
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Size
1.8MB
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MD5
6a9ddeb72a9d353f44eba424c926a6d7
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SHA1
db9e7258c00d5722fdb6d127a1ec653904d47c56
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SHA256
dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe
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SHA512
1e3b2b3b1c693fa8994ecddadbb14656c04ae64c50a83b6ff2bc9f539f44701416df0db47e201326628f40f3d73dfc3b5e188f1dbf77dfb827ab075ee453b154
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SSDEEP
49152:UoVQB2eWfFHZu4jwuVg3wJSClWvPcVI2:UoW2Vfzu8wuYwJvkvkV
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 4 IoCs
description ioc Process 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__ dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe -
Blocklisted process makes network request 2 IoCs
flow pid Process 70 2752 rundll32.exe 74 4632 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\SystemBiosVersion dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.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 -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation explorha.exe -
Executes dropped EXE 3 IoCs
pid Process 5040 explorha.exe 2032 explorha.exe 4148 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-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine explorha.exe -
Loads dropped DLL 3 IoCs
pid Process 3748 rundll32.exe 2752 rundll32.exe 4632 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 1484 dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.exe 5040 explorha.exe 2032 explorha.exe 4148 explorha.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorha.job dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 1484 dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.exe 1484 dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.exe 5040 explorha.exe 5040 explorha.exe 2752 rundll32.exe 2752 rundll32.exe 2752 rundll32.exe 2752 rundll32.exe 2752 rundll32.exe 2752 rundll32.exe 2752 rundll32.exe 2752 rundll32.exe 2752 rundll32.exe 2752 rundll32.exe 380 powershell.exe 380 powershell.exe 380 powershell.exe 2032 explorha.exe 2032 explorha.exe 4148 explorha.exe 4148 explorha.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 380 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1484 dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1484 wrote to memory of 5040 1484 dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.exe 102 PID 1484 wrote to memory of 5040 1484 dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.exe 102 PID 1484 wrote to memory of 5040 1484 dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.exe 102 PID 5040 wrote to memory of 3748 5040 explorha.exe 111 PID 5040 wrote to memory of 3748 5040 explorha.exe 111 PID 5040 wrote to memory of 3748 5040 explorha.exe 111 PID 3748 wrote to memory of 2752 3748 rundll32.exe 112 PID 3748 wrote to memory of 2752 3748 rundll32.exe 112 PID 2752 wrote to memory of 4328 2752 rundll32.exe 113 PID 2752 wrote to memory of 4328 2752 rundll32.exe 113 PID 2752 wrote to memory of 380 2752 rundll32.exe 115 PID 2752 wrote to memory of 380 2752 rundll32.exe 115 PID 5040 wrote to memory of 4632 5040 explorha.exe 119 PID 5040 wrote to memory of 4632 5040 explorha.exe 119 PID 5040 wrote to memory of 4632 5040 explorha.exe 119
Processes
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C:\Users\Admin\AppData\Local\Temp\dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.exe"C:\Users\Admin\AppData\Local\Temp\dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- 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:1484 -
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
- Checks computer location settings
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5040 -
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:3748 -
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:2752 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:4328
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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\808065738166_Desktop.zip' -CompressionLevel Optimal5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:380
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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:4632
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3792 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:81⤵PID:1384
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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:2032
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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:4148
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD56a9ddeb72a9d353f44eba424c926a6d7
SHA1db9e7258c00d5722fdb6d127a1ec653904d47c56
SHA256dcb1a17e199107565d24735a697f677487dbf253a834c20da0a9ef872af41dfe
SHA5121e3b2b3b1c693fa8994ecddadbb14656c04ae64c50a83b6ff2bc9f539f44701416df0db47e201326628f40f3d73dfc3b5e188f1dbf77dfb827ab075ee453b154
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Filesize
448KB
MD56a8311ad3ca76f2cc9c3b191fadc45db
SHA12ccc18094dcbedfd9ee1de601e6b1d2946d6307d
SHA2566a1c01a6a79f5c487cecf6d162861f1818c0d86c9aa349fe5ac81ef7d3c09760
SHA512e3c8d8ad2edd407d7d80c0c52f1585d671880418b41c8f04394f8c97c27a34ac022674f02eb35f916a75a4fb9eb4996121f707dded87de33d7426c524893d132
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Filesize
297KB
MD58cd7f94b3bc3614da9f9c43ff3462f12
SHA171778d4564494451aadc56ab76bbc725ceccf723
SHA256be480ee904d46e5e924c0db72e613bed70242bc2f75d00a2da0f4121c551e047
SHA5125423b28fc97625d05a85426f28ee92b24fc686f17450bedd751f52039a3a26d4ec8b9c75eac9313651b9b859453066302ff23b751a10860530353069112ccec0
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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
203KB
MD525f3248a0a341e066431319b776cfab1
SHA1da73caef689fec6167404147ab4e510d800bec24
SHA256e2fd48a3c4eb7b4334c0531b4d56f3b5299844b21c21d2beae668e40eeda1ae4
SHA512d3d4ff2e56621f6169fce1541ce2cdb7337f5fe0bbfee9fb855265fb0ccba36d438b440be2501ef575194ca10ffdb6c9b94475ccbe9c7617971d7c51dc9dc43f