Analysis
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max time kernel
68s -
max time network
131s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
15/04/2023, 19:34
Static task
static1
Behavioral task
behavioral1
Sample
66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6.exe
Resource
win10-20230220-en
General
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Target
66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6.exe
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Size
425KB
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MD5
256c3daef254f79543df43c8121d9e26
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SHA1
4325d201936cc045d8d6ce29a14327fcc54b468f
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SHA256
66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6
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SHA512
1c4ec92a261b6b7552fc8f49ad78c7be94e7f608ac2022fa477c07177cd972024257a6365740a00a0400170fad942a1dc01cf6e659d1ce2487276f151ed02147
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SSDEEP
6144:WdKGhOmzEdCVhSgZjJjSUoPAzK46tDZZXFOh3Vnwe4:WdHhOmzEdCVhSgfmUo4m46vfOZVnt4
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/2056-126-0x00000000001D0000-0x00000000001EC000-memory.dmp family_rhadamanthys behavioral1/memory/2056-127-0x00000000001D0000-0x00000000001EC000-memory.dmp family_rhadamanthys behavioral1/memory/2056-129-0x00000000001D0000-0x00000000001EC000-memory.dmp family_rhadamanthys behavioral1/memory/2056-138-0x00000000001D0000-0x00000000001EC000-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-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe -
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 2056 66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6.exe 2056 66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6.exe 2676 dllhost.exe 2676 dllhost.exe 2676 dllhost.exe 2676 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2056 wrote to memory of 2676 2056 66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6.exe 66 PID 2056 wrote to memory of 2676 2056 66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6.exe 66 PID 2056 wrote to memory of 2676 2056 66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6.exe 66 PID 2056 wrote to memory of 2676 2056 66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6.exe 66 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6.exe"C:\Users\Admin\AppData\Local\Temp\66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2056 -
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:2676
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