rhadamanthys | 3b91bef8c1d647cf36aa666b25cc719303f175fe7eb4d6bd52946a96be447d89

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/04/2024, 06:03

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General

Target
d3dx9_43.dll
Size 220.0MB
Sample240407-gr3fqafb42
SHA256 3b91bef8c1d647cf36aa666b25cc719303f175fe7eb4d6bd52946a96be447d89
MD5 5e32f5e1cbfb84809d22993d095e4901
SHA1 816c6c3c9f7a4ea07027fbf3ced913e0923a4ceb
SHA512 516de86e08181f8c7d74c7dac4529e1d88b976016ee7f71d9263c97a4a654f2e3b61f4c676f9898676f253457549a4d871d6cddc07f1469a7fb7f911dd412c1c
SSDEEP 49152:Z566l2u45ONYFrz31Cv3D29kd6kj2UQiI:Z566l2u45ONYFrkvz29kdJj0
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

rhadamanthys persistence stealer

Malware Config

Signatures

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4672 created 2644	4672	rundll32.exe	45

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\*Chrome = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\VIVA_01.dll,EntryPoint"	reg.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
552	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3312	4672	WerFault.exe	98
1692	4672	WerFault.exe	98

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4672	rundll32.exe
4672	rundll32.exe
4964	dialer.exe
4964	dialer.exe
4964	dialer.exe
4964	dialer.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 552	2044	rundll32.exe	86
PID 2044 wrote to memory of 552	2044	rundll32.exe	86
PID 2044 wrote to memory of 552	2044	rundll32.exe	86
PID 552 wrote to memory of 2024	552	rundll32.exe	97
PID 552 wrote to memory of 2024	552	rundll32.exe	97
PID 552 wrote to memory of 2024	552	rundll32.exe	97
PID 552 wrote to memory of 4672	552	rundll32.exe	98
PID 552 wrote to memory of 4672	552	rundll32.exe	98
PID 552 wrote to memory of 4672	552	rundll32.exe	98
PID 552 wrote to memory of 4672	552	rundll32.exe	98
PID 552 wrote to memory of 4672	552	rundll32.exe	98
PID 552 wrote to memory of 4672	552	rundll32.exe	98
PID 2024 wrote to memory of 448	2024	cmd.exe	100
PID 2024 wrote to memory of 448	2024	cmd.exe	100
PID 2024 wrote to memory of 448	2024	cmd.exe	100
PID 4672 wrote to memory of 4964	4672	rundll32.exe	101
PID 4672 wrote to memory of 4964	4672	rundll32.exe	101
PID 4672 wrote to memory of 4964	4672	rundll32.exe	101
PID 4672 wrote to memory of 4964	4672	rundll32.exe	101
PID 4672 wrote to memory of 4964	4672	rundll32.exe	101

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2644
- C:\Windows\SysWOW64\dialer.exe
  "C:\Windows\system32\dialer.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4964

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3dx9_43.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3dx9_43.dll,#1
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of WriteProcessMemory
  PID:552
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*Chrome" /t REG_SZ /d "rundll32.exe C:\Users\Admin\AppData\Roaming\VIVA_01.dll",EntryPoint /f & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2024
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*Chrome" /t REG_SZ /d "rundll32.exe C:\Users\Admin\AppData\Roaming\VIVA_01.dll",EntryPoint /f
      4⤵
      Adds Run key to start application
      PID:448
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4672
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 596
      4⤵
      Program crash
      PID:3312
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 592
      4⤵
      Program crash
      PID:1692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4672 -ip 4672
1⤵
PID:8

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4672 -ip 4672
1⤵
PID:1404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/552-6-0x0000000010000000-0x0000000010296000-memory.dmp

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memory/552-1-0x0000000010000000-0x0000000010296000-memory.dmp

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memory/552-2-0x0000000010000000-0x0000000010296000-memory.dmp

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memory/552-0-0x0000000010000000-0x0000000010296000-memory.dmp

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memory/4672-11-0x00007FFB60E50000-0x00007FFB61045000-memory.dmp

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memory/4672-25-0x0000000004130000-0x0000000004530000-memory.dmp

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memory/4672-7-0x0000000001260000-0x00000000012CD000-memory.dmp

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memory/4672-8-0x0000000001260000-0x00000000012CD000-memory.dmp

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memory/4672-9-0x0000000004130000-0x0000000004530000-memory.dmp

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memory/4672-10-0x0000000004130000-0x0000000004530000-memory.dmp

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memory/4672-3-0x00000000012D0000-0x00000000012D1000-memory.dmp

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memory/4672-12-0x0000000004130000-0x0000000004530000-memory.dmp

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memory/4672-14-0x0000000075A70000-0x0000000075C85000-memory.dmp

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memory/4672-5-0x0000000001260000-0x00000000012CD000-memory.dmp

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memory/4964-15-0x0000000000110000-0x0000000000119000-memory.dmp

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memory/4964-18-0x0000000002030000-0x0000000002430000-memory.dmp

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memory/4964-19-0x00007FFB60E50000-0x00007FFB61045000-memory.dmp

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memory/4964-20-0x0000000002030000-0x0000000002430000-memory.dmp

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memory/4964-22-0x0000000075A70000-0x0000000075C85000-memory.dmp

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memory/4964-24-0x0000000002030000-0x0000000002430000-memory.dmp

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memory/4964-17-0x0000000002030000-0x0000000002430000-memory.dmp

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