Analysis
-
max time kernel
98s -
max time network
123s -
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, 00:40
Static task
static1
Behavioral task
behavioral1
Sample
3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae.exe
Resource
win10v2004-20230221-en
General
-
Target
3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae.exe
-
Size
424KB
-
MD5
d8bca64c81e628b416c5e99e57561664
-
SHA1
a8c69936126344413837595f8d71d861cce221a6
-
SHA256
3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae
-
SHA512
8b0d9a5faad5dd08441ed81b7c908b0fef82eea205a93c3ca41d2bc2cbd7eef19dc04e788005e6dec491e2050209fd9d3295523ae12efc5507889f26a2177147
-
SSDEEP
6144:uJw69lf7YLckt0tIetvwF6LiqpSPO/2t1imYEBLePwKT2fqxwkIv:uJnlDY1t8Ie9a6FpSBd5eIKHWfv
Malware Config
Extracted
rhadamanthys
http://179.43.142.201/img/favicon.png
Signatures
-
Detect rhadamanthys stealer shellcode 4 IoCs
resource yara_rule behavioral1/memory/824-138-0x0000000000AE0000-0x0000000000AFC000-memory.dmp family_rhadamanthys behavioral1/memory/824-139-0x0000000000AE0000-0x0000000000AFC000-memory.dmp family_rhadamanthys behavioral1/memory/824-141-0x0000000000AE0000-0x0000000000AFC000-memory.dmp family_rhadamanthys behavioral1/memory/824-148-0x0000000000AE0000-0x0000000000AFC000-memory.dmp family_rhadamanthys -
Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
-
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 3832 824 WerFault.exe 83 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dllhost.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 dllhost.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 824 3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae.exe 824 3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae.exe 3136 dllhost.exe 3136 dllhost.exe 3136 dllhost.exe 3136 dllhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 824 wrote to memory of 3136 824 3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae.exe 90 PID 824 wrote to memory of 3136 824 3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae.exe 90 PID 824 wrote to memory of 3136 824 3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae.exe 90 PID 824 wrote to memory of 3136 824 3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae.exe 90 -
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
-
C:\Users\Admin\AppData\Local\Temp\3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae.exe"C:\Users\Admin\AppData\Local\Temp\3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:824 -
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:3136
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 6962⤵
- Program crash
PID:3832
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 824 -ip 8241⤵PID:216