rhadamanthys | 8638824331336e8fd9015afda82253752b4fe052d6e00d6df843e2309ee81351

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
30/07/2024, 10:16

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General

Target
b936853a0c50a0cd0bc8b33103b55bd88e19c6c28768d990b954c11d714286ca.dll
Size 1.9MB
Sample240730-ma22hs1ele
SHA256 b936853a0c50a0cd0bc8b33103b55bd88e19c6c28768d990b954c11d714286ca
MD5 8f4e17608aa8b1678f9c810ba1df77ee
SHA1 5df6dd26be208d81f626c86db9b388d46e7577e5
SHA512 cab27d97c78630f194bff6d87f4a0b7e2f28e4795d1c516e85906079708b456af845cc01575620b0067b7a5a95040b73eb56f7bf53c7d3f719dea4fc695ff8bc
SSDEEP 49152:zdALA+rMVL7LZLOkALP7fiKHnMDpNU0pixrJpI2s2ey5SDjgsWlWOS3lXF5uA6WH:zqAj7Lkkk7Hxs
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 1516 created 2924	1516	rundll32.exe	49

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-1-5-21-1403246978-718555486-3105247137-1000\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
3552	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1008	1516	WerFault.exe	94
2420	1516	WerFault.exe	94

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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1516	rundll32.exe
1516	rundll32.exe
4216	openwith.exe
4216	openwith.exe
4216	openwith.exe
4216	openwith.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 3552	3176	rundll32.exe	83
PID 3176 wrote to memory of 3552	3176	rundll32.exe	83
PID 3176 wrote to memory of 3552	3176	rundll32.exe	83
PID 3552 wrote to memory of 1516	3552	rundll32.exe	94
PID 3552 wrote to memory of 1516	3552	rundll32.exe	94
PID 3552 wrote to memory of 1516	3552	rundll32.exe	94
PID 3552 wrote to memory of 1516	3552	rundll32.exe	94
PID 3552 wrote to memory of 1516	3552	rundll32.exe	94
PID 3552 wrote to memory of 1516	3552	rundll32.exe	94
PID 3552 wrote to memory of 3272	3552	rundll32.exe	95
PID 3552 wrote to memory of 3272	3552	rundll32.exe	95
PID 3552 wrote to memory of 3272	3552	rundll32.exe	95
PID 3272 wrote to memory of 4220	3272	cmd.exe	97
PID 3272 wrote to memory of 4220	3272	cmd.exe	97
PID 3272 wrote to memory of 4220	3272	cmd.exe	97
PID 1516 wrote to memory of 4216	1516	rundll32.exe	98
PID 1516 wrote to memory of 4216	1516	rundll32.exe	98
PID 1516 wrote to memory of 4216	1516	rundll32.exe	98
PID 1516 wrote to memory of 4216	1516	rundll32.exe	98
PID 1516 wrote to memory of 4216	1516	rundll32.exe	98

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2924
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4216

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b936853a0c50a0cd0bc8b33103b55bd88e19c6c28768d990b954c11d714286ca.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3176
- 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:3552
- - 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:1516
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 580
      4⤵
      Program crash
      PID:1008
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 600
      4⤵
      Program crash
      PID:2420
- - 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:3272
  - - 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:4220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1516 -ip 1516
1⤵
PID:444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1516 -ip 1516
1⤵
PID:2132

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/1516-14-0x00000000038A0000-0x0000000003CA0000-memory.dmp

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memory/1516-30-0x00000000038A0000-0x0000000003CA0000-memory.dmp

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memory/1516-20-0x0000000077550000-0x0000000077765000-memory.dmp

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memory/1516-17-0x00007FFDC46D0000-0x00007FFDC48C5000-memory.dmp

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memory/1516-18-0x00000000038A0000-0x0000000003CA0000-memory.dmp

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memory/1516-15-0x00000000038A0000-0x0000000003CA0000-memory.dmp

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memory/1516-16-0x00000000038A0000-0x0000000003CA0000-memory.dmp

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memory/1516-11-0x0000000000C00000-0x0000000000C7E000-memory.dmp

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memory/1516-12-0x0000000000C00000-0x0000000000C7E000-memory.dmp

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memory/1516-10-0x0000000000C00000-0x0000000000C7E000-memory.dmp

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memory/1516-5-0x00000000009C0000-0x00000000009C1000-memory.dmp

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memory/3552-9-0x000000006C940000-0x000000006CB26000-memory.dmp

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memory/3552-0-0x000000006C940000-0x000000006CB26000-memory.dmp

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memory/3552-8-0x000000006C940000-0x000000006CB26000-memory.dmp

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memory/3552-4-0x000000006C940000-0x000000006CB26000-memory.dmp

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memory/3552-3-0x000000006C940000-0x000000006CB26000-memory.dmp

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memory/3552-2-0x000000006C95E000-0x000000006C978000-memory.dmp

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memory/3552-1-0x000000006C940000-0x000000006CB26000-memory.dmp

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memory/4216-24-0x0000000002230000-0x0000000002630000-memory.dmp

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memory/4216-27-0x0000000077550000-0x0000000077765000-memory.dmp

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memory/4216-28-0x0000000002230000-0x0000000002630000-memory.dmp

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memory/4216-25-0x00007FFDC46D0000-0x00007FFDC48C5000-memory.dmp

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memory/4216-23-0x0000000002230000-0x0000000002630000-memory.dmp

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memory/4216-29-0x0000000002230000-0x0000000002630000-memory.dmp

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memory/4216-21-0x0000000000120000-0x0000000000129000-memory.dmp

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