Analysis
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max time kernel
58s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
18/04/2023, 22:46
Static task
static1
Behavioral task
behavioral1
Sample
dc40df8ce62ea7db5eb023b523dfc987645557e69d4b359ef80df36f200d599c.exe
Resource
win10v2004-20230220-en
General
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Target
dc40df8ce62ea7db5eb023b523dfc987645557e69d4b359ef80df36f200d599c.exe
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Size
424KB
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MD5
f9916f55a46a20c8510b200e234ba773
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SHA1
9a23bd0f39833053746b27d8f2a03eeba3b2f57d
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SHA256
dc40df8ce62ea7db5eb023b523dfc987645557e69d4b359ef80df36f200d599c
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SHA512
c50757b3ceb70ca8e429ddc73f91e12eb17830b6b46ebe7e09a7516df863cd75c9d38309ca27bf296d5cb8a508fb360fd44ea911d976aa703e98bddc24439de6
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SSDEEP
6144:RdPOqD+awlv1QLShpF6Pv6EOMiNi3S1gx3KKqqs/QTTEhFzReqRIv:RdxDev1QLYj63Olvubqqs/QvIpgqCv
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/628-138-0x0000000000900000-0x000000000091C000-memory.dmp family_rhadamanthys behavioral1/memory/628-139-0x0000000000900000-0x000000000091C000-memory.dmp family_rhadamanthys behavioral1/memory/628-141-0x0000000000900000-0x000000000091C000-memory.dmp family_rhadamanthys behavioral1/memory/628-148-0x0000000000900000-0x000000000091C000-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-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3192 628 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 628 dc40df8ce62ea7db5eb023b523dfc987645557e69d4b359ef80df36f200d599c.exe 628 dc40df8ce62ea7db5eb023b523dfc987645557e69d4b359ef80df36f200d599c.exe 4288 dllhost.exe 4288 dllhost.exe 4288 dllhost.exe 4288 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 628 wrote to memory of 4288 628 dc40df8ce62ea7db5eb023b523dfc987645557e69d4b359ef80df36f200d599c.exe 91 PID 628 wrote to memory of 4288 628 dc40df8ce62ea7db5eb023b523dfc987645557e69d4b359ef80df36f200d599c.exe 91 PID 628 wrote to memory of 4288 628 dc40df8ce62ea7db5eb023b523dfc987645557e69d4b359ef80df36f200d599c.exe 91 PID 628 wrote to memory of 4288 628 dc40df8ce62ea7db5eb023b523dfc987645557e69d4b359ef80df36f200d599c.exe 91 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dc40df8ce62ea7db5eb023b523dfc987645557e69d4b359ef80df36f200d599c.exe"C:\Users\Admin\AppData\Local\Temp\dc40df8ce62ea7db5eb023b523dfc987645557e69d4b359ef80df36f200d599c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:628 -
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:4288
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 7082⤵
- Program crash
PID:3192
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 628 -ip 6281⤵PID:4492