Analysis
- max time kernel
150s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system - submitted
27/03/2024, 07:50
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602.exe
Resource
win10v2004-20240226-en
19 signatures
150 seconds
General
- Target 3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602.exe
- Size 1.8MB
- Sample240327-jprbsafg79
- SHA256 3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602
- MD5 045a6f2a649f8f819882e0c89cc33d93
- SHA1 9a4408039998b9238cdd90e349c1b6fa7db8e5b7
- SHA512 c4af91e15f79e287d55b903e3075ea654375612526c0fce4724f0fb9f25aec0c77f2d374918c782ace1cfadd287771513aa26f523435aabb7645d05f69367a9d
- SSDEEP 24576:dd2YWCxfMBN7gvQ6JbkUDShnAaPLyi9NuV7gOmlqWMgsKTDEnyRBN5IHB9XL+rC1:dLyimRPL9Yc72yAHirz5CbFKnTu
- 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__ 3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602.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 1676 rundll32.exe 4 5060 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\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 3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602.exe - Executes dropped EXE 3 IoCs
pid Process 4700 explorha.exe 2320 explorha.exe 4940 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-1-5-21-3084248216-1643706459-906455512-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Wine 3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602.exe Key opened \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Wine explorha.exe - Loads dropped DLL 3 IoCs
pid Process 924 rundll32.exe 1676 rundll32.exe 5060 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 1440 3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602.exe 4700 explorha.exe 2320 explorha.exe 4940 explorha.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorha.job 3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1440 3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602.exe 1440 3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602.exe 4700 explorha.exe 4700 explorha.exe 1676 rundll32.exe 1676 rundll32.exe 1676 rundll32.exe 1676 rundll32.exe 1676 rundll32.exe 1676 rundll32.exe 1676 rundll32.exe 1676 rundll32.exe 1676 rundll32.exe 1676 rundll32.exe 772 powershell.exe 772 powershell.exe 2320 explorha.exe 2320 explorha.exe 4940 explorha.exe 4940 explorha.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 772 powershell.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1440 3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1440 wrote to memory of 4700 1440 3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602.exe 80 PID 1440 wrote to memory of 4700 1440 3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602.exe 80 PID 1440 wrote to memory of 4700 1440 3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602.exe 80 PID 4700 wrote to memory of 924 4700 explorha.exe 81 PID 4700 wrote to memory of 924 4700 explorha.exe 81 PID 4700 wrote to memory of 924 4700 explorha.exe 81 PID 924 wrote to memory of 1676 924 rundll32.exe 82 PID 924 wrote to memory of 1676 924 rundll32.exe 82 PID 1676 wrote to memory of 400 1676 rundll32.exe 83 PID 1676 wrote to memory of 400 1676 rundll32.exe 83 PID 1676 wrote to memory of 772 1676 rundll32.exe 85 PID 1676 wrote to memory of 772 1676 rundll32.exe 85 PID 4700 wrote to memory of 5060 4700 explorha.exe 88 PID 4700 wrote to memory of 5060 4700 explorha.exe 88 PID 4700 wrote to memory of 5060 4700 explorha.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602.exe"C:\Users\Admin\AppData\Local\Temp\3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602.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:1440 -
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:4700 -
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:924 -
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:1676 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:400
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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\084248216164_Desktop.zip' -CompressionLevel Optimal5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:772
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-
-
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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:5060
-
-
-
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:2320
-
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:4940
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
- Size 1.2MB
- SHA256 bbfe87aafcfdf9675f3efe0345511bdd8c9d544b90c5742873b3ba2ac76bd5ff
- MD5 92d725af9839a23c5aa3c95463ffe23c
- SHA1 52d065b7d6db665c955d15be2aa7ff2ba1c6b28e
- SHA512 d59d3b9f1ddb4308018460c8ee74c6ee3dee18d9e7b6427175066dce9eb1f018ac9c4f0875caaacf379cc01c929d817f5057bec94eebbebf30c2cdcb9d7d2449
- SSDEEP 24576:dd2YWCxfMBN7gvQ6JbkUDShnAaPLyi9NuV7gOmlqWMgsKTDEnyRBN5IHB9Xh:dLyimRPL9Yc72yAH5
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
- Size 17KB
- SHA256 cb53e6ad9bc7e80d3bc72d2c3a9a38082fcb97b1795e9fdec64e67be788997fb
- MD5 df39d3c988c72ce1a57a4003fb209068
- SHA1 6114622dbb44f97776dd42db636e42f1fcd8149c
- SHA512 50939ec695a05b2d893bb4f32668d04c0d8c4e861a6c2d963b5bfaaf60e17e46ca992a4284c15ec2376fdaa134473c175e82c73ba40b891e94658231e5bafebf
- SSDEEP 192:RGPGU4vhyTfaU8/KEuOJgxI+PVyiRVMLBANDAQYQiC80OBDWlXV/paIto/REbi:sPG5yTyN/tbO/VrDYFC8ZGl3mZEbi
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
- Size 1.8MB
- SHA256 3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602
- MD5 045a6f2a649f8f819882e0c89cc33d93
- SHA1 9a4408039998b9238cdd90e349c1b6fa7db8e5b7
- SHA512 c4af91e15f79e287d55b903e3075ea654375612526c0fce4724f0fb9f25aec0c77f2d374918c782ace1cfadd287771513aa26f523435aabb7645d05f69367a9d
- SSDEEP 24576:dd2YWCxfMBN7gvQ6JbkUDShnAaPLyi9NuV7gOmlqWMgsKTDEnyRBN5IHB9XL+rC1:dLyimRPL9Yc72yAHirz5CbFKnTu
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gytwgvp3.xy1.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