Analysis
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max time kernel
136s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
20-06-2023 19:28
Static task
static1
Behavioral task
behavioral1
Sample
59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.exe
Resource
win10v2004-20230221-en
General
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Target
59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.exe
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Size
410KB
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MD5
f0b566b8639cb58502ddfe8e48a2948a
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SHA1
13f884f4f418334785f20e1fa77ab823f6e49ec2
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SHA256
59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0
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SHA512
cb38a9d98f77013417584e4db51e4f2ee0475f6f4ac619676e8fc5388d841632af04a4dc24d24924fcb2ce56b0ab4a4a508bdd2e0ab590150a4c14d89ed6f09b
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SSDEEP
6144:umyDuNXlSdNFzevree9CJN/unLD1sLWpi7ZPQOxEGuK59CJEc:umquNSFzArezJV0X1HpiNQOxEGJ
Malware Config
Signatures
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Detect rhadamanthys stealer shellcode 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1644-136-0x0000000002780000-0x0000000002B80000-memory.dmp family_rhadamanthys behavioral1/memory/1644-137-0x0000000002780000-0x0000000002B80000-memory.dmp family_rhadamanthys -
Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
Processes:
59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.exedescription pid process target process PID 1644 created 3076 1644 59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.exe Explorer.EXE -
Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
Processes:
certreq.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook certreq.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2040 1644 WerFault.exe 59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
certreq.exedescription ioc process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 certreq.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString certreq.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.execertreq.exepid process 1644 59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.exe 1644 59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.exe 1644 59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.exe 1644 59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.exe 4984 certreq.exe 4984 certreq.exe 4984 certreq.exe 4984 certreq.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.exedescription pid process target process PID 1644 wrote to memory of 4984 1644 59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.exe certreq.exe PID 1644 wrote to memory of 4984 1644 59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.exe certreq.exe PID 1644 wrote to memory of 4984 1644 59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.exe certreq.exe PID 1644 wrote to memory of 4984 1644 59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.exe certreq.exe -
outlook_office_path 1 IoCs
Processes:
certreq.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook certreq.exe -
outlook_win_path 1 IoCs
Processes:
certreq.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook certreq.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3076
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C:\Users\Admin\AppData\Local\Temp\59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.exe"C:\Users\Admin\AppData\Local\Temp\59faadc8f8aaf3ca15aff0dccdc72f1fc347687e80b9d70a3af880c58644dee0.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 9003⤵
- Program crash
PID:2040
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C:\Windows\system32\certreq.exe"C:\Windows\system32\certreq.exe"2⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:4984
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1644 -ip 16441⤵PID:1376