Analysis
- max time kernel
148s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20250619-en - resource tags
arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system - submitted
09/08/2025, 02:56
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
kosdko0.exe
Resource
win10v2004-20250619-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
kosdko0.exe
Resource
win10ltsc2021-20250425-en
9 signatures
150 seconds
Behavioral task
behavioral3
Sample
kosdko0.exe
Resource
win11-20250619-en
9 signatures
150 seconds
General
- Target kosdko0.exe
- Size 2.2MB
- Sample250809-dfg4vswnv6
- SHA256 f3e028476e8eba6b4d210dd1757a1f94c320e2e1c7194d5f449cf9fdb01a4ce9
- MD5 83ef11121057f015ea866d2240e223fc
- SHA1 56292778f90591c0fee29d524ca8eccb7b2de5c4
- SHA512 ba7770b872523f39b98c6954ce516f480b01ca9e34ef66f1f27197bc0b128e08f34166966449447c45da27a8e14aad985faff2a02efe3c0d7ae02b0cbeb466de
- SSDEEP 49152:2GxBXlIIemzC1aSIGm139CSK309A+5oZAJr:2N81cX309/9
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Rhadamanthys Payload 2 IoCs
resource yara_rule behavioral1/memory/5168-6-0x0000000003060000-0x0000000003460000-memory.dmp family_rhadamanthys_payload behavioral1/memory/5168-5-0x0000000003060000-0x0000000003460000-memory.dmp family_rhadamanthys_payload - Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
- Rhadamanthys family
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2360 set thread context of 5168 2360 kosdko0.exe 88 - Program crash 1 IoCs
pid pid_target Process procid_target 1908 5168 WerFault.exe 88 - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5168 explorer.exe 5168 explorer.exe 5168 explorer.exe 5168 explorer.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 5168 explorer.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2360 wrote to memory of 5168 2360 kosdko0.exe 88 PID 2360 wrote to memory of 5168 2360 kosdko0.exe 88 PID 2360 wrote to memory of 5168 2360 kosdko0.exe 88 PID 2360 wrote to memory of 5168 2360 kosdko0.exe 88 PID 2360 wrote to memory of 5168 2360 kosdko0.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\kosdko0.exe"C:\Users\Admin\AppData\Local\Temp\kosdko0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
PID:5168 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5168 -s 5003⤵
- Program crash
PID:1908
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 5168 -ip 51681⤵PID:4352