rhadamanthys | 8638824331336e8fd9015afda82253752b4fe052d6e00d6df843e2309ee81351

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240708-en
submitted
30/07/2024, 10:01

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General

Target

b936853a0c50a0cd0bc8b33103b55bd88e19c6c28768d990b954c11d714286ca.dll

Score

10^/10

rhadamanthys discovery persistence stealer

Malware Config

Extracted

Family

rhadamanthys

https://198.135.48.191:3090/7cc6bd8a9e6893408/2v92denm.5tcd8

Signatures

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

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-1-5-21-2958949473-3205530200-1453100116-1000\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
2628	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2700	2784	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 4 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2628	2660	rundll32.exe	30
PID 2660 wrote to memory of 2628	2660	rundll32.exe	30
PID 2660 wrote to memory of 2628	2660	rundll32.exe	30
PID 2660 wrote to memory of 2628	2660	rundll32.exe	30
PID 2660 wrote to memory of 2628	2660	rundll32.exe	30
PID 2660 wrote to memory of 2628	2660	rundll32.exe	30
PID 2660 wrote to memory of 2628	2660	rundll32.exe	30
PID 2628 wrote to memory of 2784	2628	rundll32.exe	31
PID 2628 wrote to memory of 2784	2628	rundll32.exe	31
PID 2628 wrote to memory of 2784	2628	rundll32.exe	31
PID 2628 wrote to memory of 2784	2628	rundll32.exe	31
PID 2628 wrote to memory of 2784	2628	rundll32.exe	31
PID 2628 wrote to memory of 2784	2628	rundll32.exe	31
PID 2628 wrote to memory of 2784	2628	rundll32.exe	31
PID 2628 wrote to memory of 2784	2628	rundll32.exe	31
PID 2628 wrote to memory of 2784	2628	rundll32.exe	31
PID 2628 wrote to memory of 2784	2628	rundll32.exe	31
PID 2784 wrote to memory of 2700	2784	rundll32.exe	32
PID 2784 wrote to memory of 2700	2784	rundll32.exe	32
PID 2784 wrote to memory of 2700	2784	rundll32.exe	32
PID 2784 wrote to memory of 2700	2784	rundll32.exe	32
PID 2628 wrote to memory of 2816	2628	rundll32.exe	33
PID 2628 wrote to memory of 2816	2628	rundll32.exe	33
PID 2628 wrote to memory of 2816	2628	rundll32.exe	33
PID 2628 wrote to memory of 2816	2628	rundll32.exe	33
PID 2816 wrote to memory of 2692	2816	cmd.exe	35
PID 2816 wrote to memory of 2692	2816	cmd.exe	35
PID 2816 wrote to memory of 2692	2816	cmd.exe	35
PID 2816 wrote to memory of 2692	2816	cmd.exe	35

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b936853a0c50a0cd0bc8b33103b55bd88e19c6c28768d990b954c11d714286ca.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b936853a0c50a0cd0bc8b33103b55bd88e19c6c28768d990b954c11d714286ca.dll,#1
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2628
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2784
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2784 -s 196
      4⤵
      Program crash
      PID:2700
- - 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:2816
  - - 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:2692

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

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Downloads

memory/2628-0-0x000000006C940000-0x000000006CB26000-memory.dmp

Filesize
1.9MB

Download
memory/2628-11-0x000000006C940000-0x000000006CB26000-memory.dmp

Filesize
1.9MB

Download
memory/2628-2-0x000000006C95E000-0x000000006C978000-memory.dmp

Filesize
104KB

Download
memory/2628-1-0x000000006C940000-0x000000006CB26000-memory.dmp

Filesize
1.9MB

Download
memory/2628-14-0x000000006C940000-0x000000006CB26000-memory.dmp

Filesize
1.9MB

Download
memory/2784-8-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2784-6-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2784-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-3-0x0000000000130000-0x00000000001AE000-memory.dmp

Filesize
504KB

Download
memory/2784-16-0x0000000000130000-0x00000000001AE000-memory.dmp

Filesize
504KB

Download
memory/2784-13-0x0000000000130000-0x00000000001AE000-memory.dmp

Filesize
504KB

Download
memory/2784-12-0x0000000000130000-0x00000000001AE000-memory.dmp

Filesize
504KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads