Analysis
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max time kernel
57s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2023, 11:20
Static task
static1
Behavioral task
behavioral1
Sample
4db45dd088c5399bba9a0a89aa5cfad1a11bf57c0e7a870d76e84000cc025af1.exe
Resource
win10v2004-20230221-en
General
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Target
4db45dd088c5399bba9a0a89aa5cfad1a11bf57c0e7a870d76e84000cc025af1.exe
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Size
298KB
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MD5
2da57ef6b403fc6698ff7b95a9ce9362
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SHA1
7218e330e5ed923dce0575673fe51c67727b2699
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SHA256
4db45dd088c5399bba9a0a89aa5cfad1a11bf57c0e7a870d76e84000cc025af1
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SHA512
e6330a5ca330ad065ce7766bff79427d16b9eb7903ba694b24bb6b87b08d498e429e65c201c53f12447fdfc572e7986972c4211518646abcc3c39b45e2f58a1e
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SSDEEP
6144:TR9dkPnr96XT/taFvSxC6szUttiCYPDWJB:vGPnrAT4HPzqd
Malware Config
Extracted
rhadamanthys
http://179.43.142.201/img/favicon.png
Signatures
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Detect rhadamanthys stealer shellcode 3 IoCs
resource yara_rule behavioral1/memory/4700-139-0x0000000002C20000-0x0000000002C3C000-memory.dmp family_rhadamanthys behavioral1/memory/4700-141-0x0000000002C20000-0x0000000002C3C000-memory.dmp family_rhadamanthys behavioral1/memory/4700-148-0x0000000002C20000-0x0000000002C3C000-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\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 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 -
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 4700 4db45dd088c5399bba9a0a89aa5cfad1a11bf57c0e7a870d76e84000cc025af1.exe 4700 4db45dd088c5399bba9a0a89aa5cfad1a11bf57c0e7a870d76e84000cc025af1.exe 1864 dllhost.exe 1864 dllhost.exe 1864 dllhost.exe 1864 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4700 wrote to memory of 1864 4700 4db45dd088c5399bba9a0a89aa5cfad1a11bf57c0e7a870d76e84000cc025af1.exe 88 PID 4700 wrote to memory of 1864 4700 4db45dd088c5399bba9a0a89aa5cfad1a11bf57c0e7a870d76e84000cc025af1.exe 88 PID 4700 wrote to memory of 1864 4700 4db45dd088c5399bba9a0a89aa5cfad1a11bf57c0e7a870d76e84000cc025af1.exe 88 PID 4700 wrote to memory of 1864 4700 4db45dd088c5399bba9a0a89aa5cfad1a11bf57c0e7a870d76e84000cc025af1.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\4db45dd088c5399bba9a0a89aa5cfad1a11bf57c0e7a870d76e84000cc025af1.exe"C:\Users\Admin\AppData\Local\Temp\4db45dd088c5399bba9a0a89aa5cfad1a11bf57c0e7a870d76e84000cc025af1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4700 -
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:1864
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