Analysis
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max time kernel
136s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2023, 09:01
Static task
static1
Behavioral task
behavioral1
Sample
a2fa00ab0203eefb3229cc6afdcc4a5a34e6501bc5d64cab6b022a63e48852f1.exe
Resource
win10v2004-20230220-en
General
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Target
a2fa00ab0203eefb3229cc6afdcc4a5a34e6501bc5d64cab6b022a63e48852f1.exe
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Size
297KB
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MD5
13f5cf4add70ef94cfc51508e2c618d3
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SHA1
ac1f705b7d6bb55b8f7ba7c9d236362db5abc162
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SHA256
a2fa00ab0203eefb3229cc6afdcc4a5a34e6501bc5d64cab6b022a63e48852f1
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SHA512
d9e9d41c5ee4d5393628e927cf35b0ee2cac780607a4a2bc0dd1914aa5fb49d35dd21968d389d73eefc3dc162cdcc27ecba8c23499420a217ff77c00e6221078
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SSDEEP
6144:daRxPJp7aDsBApMLQ8zkcVFzQzsNDYC5Gsa3ZSBIjmYPDWJ:iJJp7RiDqVFBNcCM3gB
Malware Config
Extracted
rhadamanthys
http://179.43.142.201/img/favicon.png
Signatures
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Detect rhadamanthys stealer shellcode 4 IoCs
resource yara_rule behavioral1/memory/4420-138-0x0000000002D70000-0x0000000002D8C000-memory.dmp family_rhadamanthys behavioral1/memory/4420-139-0x0000000002D70000-0x0000000002D8C000-memory.dmp family_rhadamanthys behavioral1/memory/4420-141-0x0000000002D70000-0x0000000002D8C000-memory.dmp family_rhadamanthys behavioral1/memory/4420-148-0x0000000002D70000-0x0000000002D8C000-memory.dmp family_rhadamanthys -
Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4348 4420 WerFault.exe 84 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 dllhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dllhost.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4420 a2fa00ab0203eefb3229cc6afdcc4a5a34e6501bc5d64cab6b022a63e48852f1.exe 4420 a2fa00ab0203eefb3229cc6afdcc4a5a34e6501bc5d64cab6b022a63e48852f1.exe 2596 dllhost.exe 2596 dllhost.exe 2596 dllhost.exe 2596 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4420 wrote to memory of 2596 4420 a2fa00ab0203eefb3229cc6afdcc4a5a34e6501bc5d64cab6b022a63e48852f1.exe 91 PID 4420 wrote to memory of 2596 4420 a2fa00ab0203eefb3229cc6afdcc4a5a34e6501bc5d64cab6b022a63e48852f1.exe 91 PID 4420 wrote to memory of 2596 4420 a2fa00ab0203eefb3229cc6afdcc4a5a34e6501bc5d64cab6b022a63e48852f1.exe 91 PID 4420 wrote to memory of 2596 4420 a2fa00ab0203eefb3229cc6afdcc4a5a34e6501bc5d64cab6b022a63e48852f1.exe 91 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a2fa00ab0203eefb3229cc6afdcc4a5a34e6501bc5d64cab6b022a63e48852f1.exe"C:\Users\Admin\AppData\Local\Temp\a2fa00ab0203eefb3229cc6afdcc4a5a34e6501bc5d64cab6b022a63e48852f1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4420 -
C:\Windows\system32\dllhost.exe"C:\Windows\system32\dllhost.exe"2⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:2596
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 6362⤵
- Program crash
PID:4348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4420 -ip 44201⤵PID:1272