Analysis
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max time kernel
135s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
15/04/2023, 13:01
Static task
static1
Behavioral task
behavioral1
Sample
c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe
Resource
win10v2004-20230221-en
General
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Target
c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe
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Size
424KB
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MD5
bc19b47e06fc27425839ca0346c78aef
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SHA1
423a177b539878ce4edced3e207dcdb95b392427
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SHA256
c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c
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SHA512
56d7a24efcf34883cec2ae32625109c9e65e0396d21de0b5530d455b10e9942ae4cd06e77f2162622d29148ce3e925710362ab9c35ea26cce80e05655529874d
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SSDEEP
6144:eCGCb/y/cQNqVy6G7++SsKtYYuzgU4pyJ5rqP6dmOvXwe4:eCx/y/c0qVy6GC5t5VyJ5qydfvXt4
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/1516-138-0x0000000002580000-0x000000000259C000-memory.dmp family_rhadamanthys behavioral1/memory/1516-140-0x0000000002580000-0x000000000259C000-memory.dmp family_rhadamanthys behavioral1/memory/1516-141-0x0000000002580000-0x000000000259C000-memory.dmp family_rhadamanthys behavioral1/memory/1516-149-0x0000000002580000-0x000000000259C000-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-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3648 1516 WerFault.exe 67 -
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 1516 c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe 1516 c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe 1072 dllhost.exe 1072 dllhost.exe 1072 dllhost.exe 1072 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1516 wrote to memory of 1072 1516 c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe 88 PID 1516 wrote to memory of 1072 1516 c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe 88 PID 1516 wrote to memory of 1072 1516 c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe 88 PID 1516 wrote to memory of 1072 1516 c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe 88 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe"C:\Users\Admin\AppData\Local\Temp\c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1516 -
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:1072
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 7322⤵
- Program crash
PID:3648
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1516 -ip 15161⤵PID:4016