Analysis
- max time kernel
170s - max time network
163s - 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, 00:42
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.exe
Resource
win10v2004-20240226-en
19 signatures
150 seconds
General
- Target e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.exe
- Size 1.9MB
- Sample240327-a2pt2sga82
- SHA256 e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a
- MD5 eb2c75e45581e2d852a3e76d44203340
- SHA1 4a850d13331a3f70433c2a390360b8d60b28502e
- SHA512 604bc68689052b6c7c1083d662c5b62951c08e128cb0e20aebb98eb99481c76b222b8abfa93e8e37049e48a934eff5b06430878cf23572ea00b75834ec671a1e
- SSDEEP 49152:qKJblvhgzXVAgPCnQ0xfKggkTFhUvuwGO5IS:qqbHgZD4pxCs97S
- 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__ e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.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 3 860 rundll32.exe 4 4132 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 e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.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 - Executes dropped EXE 3 IoCs
pid Process 2772 explorha.exe 2684 explorha.exe 3824 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 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 Key opened \REGISTRY\USER\S-1-5-21-3852399462-405385529-394778097-1000\Software\Wine e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.exe - Loads dropped DLL 3 IoCs
pid Process 956 rundll32.exe 860 rundll32.exe 4132 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 1176 e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.exe 2772 explorha.exe 2684 explorha.exe 3824 explorha.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorha.job e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1176 e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.exe 1176 e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.exe 2772 explorha.exe 2772 explorha.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 1504 powershell.exe 1504 powershell.exe 2684 explorha.exe 2684 explorha.exe 3824 explorha.exe 3824 explorha.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1504 powershell.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1176 e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1176 wrote to memory of 2772 1176 e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.exe 79 PID 1176 wrote to memory of 2772 1176 e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.exe 79 PID 1176 wrote to memory of 2772 1176 e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.exe 79 PID 2772 wrote to memory of 956 2772 explorha.exe 80 PID 2772 wrote to memory of 956 2772 explorha.exe 80 PID 2772 wrote to memory of 956 2772 explorha.exe 80 PID 956 wrote to memory of 860 956 rundll32.exe 81 PID 956 wrote to memory of 860 956 rundll32.exe 81 PID 860 wrote to memory of 1012 860 rundll32.exe 82 PID 860 wrote to memory of 1012 860 rundll32.exe 82 PID 860 wrote to memory of 1504 860 rundll32.exe 84 PID 860 wrote to memory of 1504 860 rundll32.exe 84 PID 2772 wrote to memory of 4132 2772 explorha.exe 87 PID 2772 wrote to memory of 4132 2772 explorha.exe 87 PID 2772 wrote to memory of 4132 2772 explorha.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.exe"C:\Users\Admin\AppData\Local\Temp\e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.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:1176 -
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:2772 -
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:956 -
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:860 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:1012
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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:1504
-
-
-
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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:4132
-
-
-
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:2684
-
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:3824
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 e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a
- MD5 eb2c75e45581e2d852a3e76d44203340
- SHA1 4a850d13331a3f70433c2a390360b8d60b28502e
- SHA512 604bc68689052b6c7c1083d662c5b62951c08e128cb0e20aebb98eb99481c76b222b8abfa93e8e37049e48a934eff5b06430878cf23572ea00b75834ec671a1e
- SSDEEP 49152:qKJblvhgzXVAgPCnQ0xfKggkTFhUvuwGO5IS:qqbHgZD4pxCs97S
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4i4oovyt.qcu.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