Analysis
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max time kernel
150s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240319-en -
resource tags
arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system -
submitted
31-03-2024 09:03
Static task
static1
Behavioral task
behavioral1
Sample
92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1.exe
Resource
win10v2004-20231215-en
General
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Target
92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1.exe
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Size
1.8MB
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MD5
f0b66b6dbd4b08e9c5daf536f73dba5e
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SHA1
800212cd4edf77c4e3b4fdafd18afd8ea74be90a
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SHA256
92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1
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SHA512
b79f9e1f7f279a2e162405644eca2f67150d789705ff744f49e9dac15abf643428002a85ae0d0c3fc88c13d7088ab4cf8368d623296245340cdaedae497399a0
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SSDEEP
49152:b70vk2sNH339Il99Gk7l7Nbbeomh38GaO6:bFn9k94kx5beos1aO
Malware Config
Extracted
amadey
4.17
http://185.215.113.32
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install_dir
00c07260dc
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install_file
explorgu.exe
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strings_key
461809bd97c251ba0c0c8450c7055f1d
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url_paths
/yandex/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe -
Blocklisted process makes network request 2 IoCs
flow pid Process 10 548 rundll32.exe 11 440 rundll32.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1.exe -
Executes dropped EXE 2 IoCs
pid Process 3764 explorgu.exe 4736 swiiiii.exe -
Identifies Wine through registry keys 2 TTPs 2 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-1-5-21-1233663403-1277323514-675434005-1000\Software\Wine 92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1.exe Key opened \REGISTRY\USER\S-1-5-21-1233663403-1277323514-675434005-1000\Software\Wine explorgu.exe -
Loads dropped DLL 3 IoCs
pid Process 1196 rundll32.exe 548 rundll32.exe 440 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 local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1584 92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1.exe 3764 explorgu.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4736 set thread context of 4608 4736 swiiiii.exe 81 -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorgu.job 92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 1420 4736 WerFault.exe 79 -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1584 92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1.exe 1584 92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1.exe 3764 explorgu.exe 3764 explorgu.exe 4608 RegAsm.exe 4608 RegAsm.exe 4608 RegAsm.exe 4608 RegAsm.exe 548 rundll32.exe 548 rundll32.exe 548 rundll32.exe 548 rundll32.exe 548 rundll32.exe 548 rundll32.exe 548 rundll32.exe 548 rundll32.exe 548 rundll32.exe 548 rundll32.exe 1608 powershell.exe 1608 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1608 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1584 92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 3764 wrote to memory of 4736 3764 explorgu.exe 79 PID 3764 wrote to memory of 4736 3764 explorgu.exe 79 PID 3764 wrote to memory of 4736 3764 explorgu.exe 79 PID 4736 wrote to memory of 4608 4736 swiiiii.exe 81 PID 4736 wrote to memory of 4608 4736 swiiiii.exe 81 PID 4736 wrote to memory of 4608 4736 swiiiii.exe 81 PID 4736 wrote to memory of 4608 4736 swiiiii.exe 81 PID 4736 wrote to memory of 4608 4736 swiiiii.exe 81 PID 4736 wrote to memory of 4608 4736 swiiiii.exe 81 PID 4736 wrote to memory of 4608 4736 swiiiii.exe 81 PID 4736 wrote to memory of 4608 4736 swiiiii.exe 81 PID 4736 wrote to memory of 4608 4736 swiiiii.exe 81 PID 3764 wrote to memory of 1196 3764 explorgu.exe 86 PID 3764 wrote to memory of 1196 3764 explorgu.exe 86 PID 3764 wrote to memory of 1196 3764 explorgu.exe 86 PID 1196 wrote to memory of 548 1196 rundll32.exe 87 PID 1196 wrote to memory of 548 1196 rundll32.exe 87 PID 548 wrote to memory of 4748 548 rundll32.exe 88 PID 548 wrote to memory of 4748 548 rundll32.exe 88 PID 548 wrote to memory of 1608 548 rundll32.exe 90 PID 548 wrote to memory of 1608 548 rundll32.exe 90 PID 3764 wrote to memory of 440 3764 explorgu.exe 92 PID 3764 wrote to memory of 440 3764 explorgu.exe 92 PID 3764 wrote to memory of 440 3764 explorgu.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1.exe"C:\Users\Admin\AppData\Local\Temp\92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1.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
PID:1584
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C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exeC:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.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
- Suspicious use of WriteProcessMemory
PID:3764 -
C:\Users\Admin\AppData\Local\Temp\1001073001\swiiiii.exe"C:\Users\Admin\AppData\Local\Temp\1001073001\swiiiii.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4736 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4608
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4736 -s 8963⤵
- Program crash
PID:1420
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:548 -
C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵PID:4748
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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\233663403127_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1608
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main2⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:440
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4736 -ip 47361⤵PID:1596
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.8MB
MD5f0b66b6dbd4b08e9c5daf536f73dba5e
SHA1800212cd4edf77c4e3b4fdafd18afd8ea74be90a
SHA25692b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1
SHA512b79f9e1f7f279a2e162405644eca2f67150d789705ff744f49e9dac15abf643428002a85ae0d0c3fc88c13d7088ab4cf8368d623296245340cdaedae497399a0
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Filesize
321KB
MD51c7d0f34bb1d85b5d2c01367cc8f62ef
SHA133aedadb5361f1646cffd68791d72ba5f1424114
SHA256e9e09c5e5d03d21fca820bd9b0a0ea7b86ab9e85cdc9996f8f1dc822b0cc801c
SHA51253bf85d2b004f69bbbf7b6dc78e5f021aba71b6f814101c55d3bf76e6d058a973bc58270b6b621b2100c6e02d382f568d1e96024464e8ea81e6db8ccd948679d
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
109KB
MD52afdbe3b99a4736083066a13e4b5d11a
SHA14d4856cf02b3123ac16e63d4a448cdbcb1633546
SHA2568d31b39170909595b518b1a03e9ec950540fabd545ed14817cac5c84b91599ee
SHA512d89b3c46854153e60e3fa825b394344eee33936d7dbf186af9d95c9adae54428609e3bf21a18d38fce3d96f3e0b8e4e0ed25cb5004fbe288de3aef3a85b1d93f
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Filesize
1.2MB
MD592fbdfccf6a63acef2743631d16652a7
SHA1971968b1378dd89d59d7f84bf92f16fc68664506
SHA256b4588feacc183cd5a089f9bb950827b75df04bd5a6e67c95ff258e4a34aa0d72
SHA512b8ea216d4a59d8858fd4128abb555f8dcf3acca9138e663b488f09dc5200db6dc11ecc235a355e801145bbbb44d7beac6147949d75d78b32fe9cfd2fa200d117