rhadamanthys | 258ffcc13dbe110bcce21b91f7f075995719791fdd3c9f55ea5934984fa4373d

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/08/2024, 03:05

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General

Target
543b69f96203ebf17cbb6fb6b4b424f0N.dll
Size 1.9MB
Sample240807-dk6ysazanp
SHA256 258ffcc13dbe110bcce21b91f7f075995719791fdd3c9f55ea5934984fa4373d
MD5 543b69f96203ebf17cbb6fb6b4b424f0
SHA1 609629f1c48a3f0c0d2635c45a8714c08fbdc76f
SHA512 aa394ee33a7fa4a428e2b61b3e7825d3ef3d1087465e096259de5bfa90b57cdeeff21f2b075cd164193311404964f2788c0b09e4cd3c9243ce27348bf49f9d13
SSDEEP 24576:jduagYXnrNOEMudreb7LVkhdyJYKkbg6psPyWwxnMqfbc5MU47iA8koWOmydA7iA:jngjA+rMVL7rZLOkALP7fi6HC+nIzD
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

rhadamanthys discovery 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 4440 created 2464	4440	rundll32.exe	42

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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\*ChromeUpdate = "rundll32.exe C:\\Users\\Admin\\Documents\\FirefoxData.dll,EntryPoint"	reg.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
4680	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1320	4440	WerFault.exe	87
4800	4440	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openwith.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4440	rundll32.exe
4440	rundll32.exe
4184	openwith.exe
4184	openwith.exe
4184	openwith.exe
4184	openwith.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3592 wrote to memory of 4680	3592	rundll32.exe	83
PID 3592 wrote to memory of 4680	3592	rundll32.exe	83
PID 3592 wrote to memory of 4680	3592	rundll32.exe	83
PID 4680 wrote to memory of 4440	4680	rundll32.exe	87
PID 4680 wrote to memory of 4440	4680	rundll32.exe	87
PID 4680 wrote to memory of 4440	4680	rundll32.exe	87
PID 4680 wrote to memory of 4440	4680	rundll32.exe	87
PID 4680 wrote to memory of 4440	4680	rundll32.exe	87
PID 4680 wrote to memory of 4440	4680	rundll32.exe	87
PID 4680 wrote to memory of 4644	4680	rundll32.exe	88
PID 4680 wrote to memory of 4644	4680	rundll32.exe	88
PID 4680 wrote to memory of 4644	4680	rundll32.exe	88
PID 4644 wrote to memory of 1592	4644	cmd.exe	90
PID 4644 wrote to memory of 1592	4644	cmd.exe	90
PID 4644 wrote to memory of 1592	4644	cmd.exe	90
PID 4440 wrote to memory of 4184	4440	rundll32.exe	91
PID 4440 wrote to memory of 4184	4440	rundll32.exe	91
PID 4440 wrote to memory of 4184	4440	rundll32.exe	91
PID 4440 wrote to memory of 4184	4440	rundll32.exe	91
PID 4440 wrote to memory of 4184	4440	rundll32.exe	91

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2464
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4184

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\543b69f96203ebf17cbb6fb6b4b424f0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3592
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\543b69f96203ebf17cbb6fb6b4b424f0N.dll,#1
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4680
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4440
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4440 -s 592
      4⤵
      Program crash
      PID:1320
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4440 -s 588
      4⤵
      Program crash
      PID:4800
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4644
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:1592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4440 -ip 4440
1⤵
PID:3448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4440 -ip 4440
1⤵
PID:4476

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4184-20-0x0000000000F60000-0x0000000000F69000-memory.dmp

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memory/4184-29-0x0000000002D50000-0x0000000003150000-memory.dmp

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memory/4184-24-0x0000000002D50000-0x0000000003150000-memory.dmp

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memory/4184-27-0x0000000002D50000-0x0000000003150000-memory.dmp

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memory/4184-28-0x0000000076800000-0x0000000076A15000-memory.dmp

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memory/4184-25-0x00007FFF7B8D0000-0x00007FFF7BAC5000-memory.dmp

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memory/4440-15-0x0000000003420000-0x0000000003820000-memory.dmp

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memory/4440-19-0x0000000076800000-0x0000000076A15000-memory.dmp

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memory/4440-11-0x0000000000480000-0x00000000004FE000-memory.dmp

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memory/4440-10-0x0000000000480000-0x00000000004FE000-memory.dmp

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memory/4440-12-0x0000000000480000-0x00000000004FE000-memory.dmp

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memory/4440-14-0x0000000003420000-0x0000000003820000-memory.dmp

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memory/4440-31-0x0000000003420000-0x0000000003820000-memory.dmp

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memory/4440-16-0x0000000003420000-0x0000000003820000-memory.dmp

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memory/4440-17-0x00007FFF7B8D0000-0x00007FFF7BAC5000-memory.dmp

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memory/4440-5-0x0000000000500000-0x0000000000501000-memory.dmp

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memory/4440-21-0x0000000003420000-0x0000000003820000-memory.dmp

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memory/4680-4-0x000000006C940000-0x000000006CB25000-memory.dmp

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memory/4680-8-0x000000006C940000-0x000000006CB25000-memory.dmp

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memory/4680-9-0x000000006C940000-0x000000006CB25000-memory.dmp

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memory/4680-3-0x000000006C95E000-0x000000006C978000-memory.dmp

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memory/4680-2-0x000000006C940000-0x000000006CB25000-memory.dmp

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memory/4680-1-0x000000006C940000-0x000000006CB25000-memory.dmp

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memory/4680-0-0x000000006C940000-0x000000006CB25000-memory.dmp

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