rhadamanthys | 876feac850e9030e3aff1b7bd69f85a613d21661e9350b7fa10dd263a61724fe

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 01:42

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General

Target
876feac850e9030e3aff1b7bd69f85a613d21661e9350b7fa10dd263a61724fe.dll
Size 652KB
Sample241004-b4rl4axflj
SHA256 876feac850e9030e3aff1b7bd69f85a613d21661e9350b7fa10dd263a61724fe
MD5 536bc1eadab8af8f052544cfcd5150ec
SHA1 ff3c9ee18e0e6f3f3a7b04e6c4c210d0adf29232
SHA512 33eae31cee1dd47e490111c7cd2fc0871e69b5a42fb24d807aa52b65ca9a6e457028ff8bea1ca2115a05f4ff99dd2c6c8075e3267d19b62b15087b437ca09d6c
SSDEEP 12288:vgQY+jL8MsthpNREymEG26+hbE64VJuzl8vr4JHdi7:vy5thpNRFxXblE67mX7
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

rhadamanthys discovery stealer

Malware Config

Extracted

Family

rhadamanthys

https://135.181.4.162:2423/97e9fc994198e76/9dq0b1sl.pbl6a

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 4232 created 2772	4232	aspnet_regiis.exe	49

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5024 set thread context of 4232	5024	rundll32.exe	83

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2632	4232	WerFault.exe	83
4336	4232	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 3 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	aspnet_regiis.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openwith.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4232	aspnet_regiis.exe
4232	aspnet_regiis.exe
4444	openwith.exe
4444	openwith.exe
4444	openwith.exe
4444	openwith.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3472 wrote to memory of 5024	3472	rundll32.exe	82
PID 3472 wrote to memory of 5024	3472	rundll32.exe	82
PID 3472 wrote to memory of 5024	3472	rundll32.exe	82
PID 5024 wrote to memory of 4232	5024	rundll32.exe	83
PID 5024 wrote to memory of 4232	5024	rundll32.exe	83
PID 5024 wrote to memory of 4232	5024	rundll32.exe	83
PID 5024 wrote to memory of 4232	5024	rundll32.exe	83
PID 5024 wrote to memory of 4232	5024	rundll32.exe	83
PID 5024 wrote to memory of 4232	5024	rundll32.exe	83
PID 5024 wrote to memory of 4232	5024	rundll32.exe	83
PID 5024 wrote to memory of 4232	5024	rundll32.exe	83
PID 5024 wrote to memory of 4232	5024	rundll32.exe	83
PID 5024 wrote to memory of 4232	5024	rundll32.exe	83
PID 5024 wrote to memory of 4232	5024	rundll32.exe	83
PID 4232 wrote to memory of 4444	4232	aspnet_regiis.exe	84
PID 4232 wrote to memory of 4444	4232	aspnet_regiis.exe	84
PID 4232 wrote to memory of 4444	4232	aspnet_regiis.exe	84
PID 4232 wrote to memory of 4444	4232	aspnet_regiis.exe	84
PID 4232 wrote to memory of 4444	4232	aspnet_regiis.exe	84

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2772
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4444

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\876feac850e9030e3aff1b7bd69f85a613d21661e9350b7fa10dd263a61724fe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\876feac850e9030e3aff1b7bd69f85a613d21661e9350b7fa10dd263a61724fe.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5024
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4232
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 432
      4⤵
      Program crash
      PID:2632
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 428
      4⤵
      Program crash
      PID:4336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4232 -ip 4232
1⤵
PID:1936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4232 -ip 4232
1⤵
PID:4216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/4232-17-0x00000000032B0000-0x00000000036B0000-memory.dmp

Download

memory/4232-19-0x0000000077500000-0x0000000077715000-memory.dmp

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memory/4232-7-0x0000000000310000-0x000000000038E000-memory.dmp

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memory/4232-16-0x00007FFE15D10000-0x00007FFE15F05000-memory.dmp

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memory/4232-14-0x00000000032B0000-0x00000000036B0000-memory.dmp

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memory/4232-13-0x0000000000310000-0x000000000038E000-memory.dmp

Download

memory/4232-12-0x00000000032B0000-0x00000000036B0000-memory.dmp

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memory/4232-15-0x00000000032B0000-0x00000000036B0000-memory.dmp

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memory/4232-2-0x0000000000310000-0x000000000038E000-memory.dmp

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memory/4232-29-0x00000000032B0000-0x00000000036B0000-memory.dmp

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memory/4232-11-0x0000000000310000-0x000000000038E000-memory.dmp

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memory/4444-20-0x0000000001270000-0x0000000001279000-memory.dmp

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memory/4444-22-0x0000000002E00000-0x0000000003200000-memory.dmp

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memory/4444-23-0x0000000002E00000-0x0000000003200000-memory.dmp

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memory/4444-24-0x00007FFE15D10000-0x00007FFE15F05000-memory.dmp

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memory/4444-27-0x0000000077500000-0x0000000077715000-memory.dmp

Download

memory/4444-26-0x0000000002E00000-0x0000000003200000-memory.dmp

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memory/4444-28-0x0000000002E00000-0x0000000003200000-memory.dmp

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memory/5024-1-0x0000000077951000-0x0000000077A71000-memory.dmp

Download