rhadamanthys | a935c0e21b631b068ee46e2a80dad3d8e537046ee596298c511c468df5d62553

General

Target

9b98594e1eb4827c104c9f671d08af90N.dll
Size

10.0MB
MD5

9b98594e1eb4827c104c9f671d08af90
SHA1

7955bca920581e5641a45071e2ba782f45c3b670
SHA256

a935c0e21b631b068ee46e2a80dad3d8e537046ee596298c511c468df5d62553
SHA512

4b24e9810d221ae22297830f67a90014b596e857fc9cbe4725d9626b0f977575a88769fd851b6d80b11963a53378e72992e4fb896a2fbdb2aae97112058f3fb5
SSDEEP

49152:/7GZGHSOdOoyWzL/bI7UAnuqSrtdBDmfKtT6ZLOkALP7fi1Hcl8FgWlPaMWoOCpd:zGZGy0FfDEUYuqSvBDmSokkkQHvYa7

Score

10^/10

rhadamanthys discovery persistence stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://198.135.48.191:3090/7cc6bd8a9e6893408/341lguv9.et658

Signatures

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 3564 created 2648 3564 rundll32.exe sihost.exe

description	pid	process	target process
PID 3564 created 2648	3564	rundll32.exe	sihost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\*ChromeUpdate = "rundll32.exe C:\\Users\\Admin\\Documents\\FirefoxData.dll,EntryPoint"	reg.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

rundll32.exe

pid process

2124 rundll32.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2044 3564 WerFault.exe rundll32.exe
3896 3564 WerFault.exe rundll32.exe

pid	process
2124	rundll32.exe

pid	pid_target	process	target process
2044	3564	WerFault.exe	rundll32.exe
3896	3564	WerFault.exe	rundll32.exe

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

Processes:

rundll32.exerundll32.execmd.exereg.exeopenwith.exe

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

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

rundll32.exeopenwith.exe

pid process

3564 rundll32.exe
3564 rundll32.exe
1664 openwith.exe
1664 openwith.exe
1664 openwith.exe
1664 openwith.exe

pid	process
3564	rundll32.exe
3564	rundll32.exe
1664	openwith.exe
1664	openwith.exe
1664	openwith.exe
1664	openwith.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

rundll32.exerundll32.execmd.exerundll32.exe

description	pid	process	target process
PID 1828 wrote to memory of 2124	1828	rundll32.exe	rundll32.exe
PID 1828 wrote to memory of 2124	1828	rundll32.exe	rundll32.exe
PID 1828 wrote to memory of 2124	1828	rundll32.exe	rundll32.exe
PID 2124 wrote to memory of 3564	2124	rundll32.exe	rundll32.exe
PID 2124 wrote to memory of 3564	2124	rundll32.exe	rundll32.exe
PID 2124 wrote to memory of 3564	2124	rundll32.exe	rundll32.exe
PID 2124 wrote to memory of 3564	2124	rundll32.exe	rundll32.exe
PID 2124 wrote to memory of 3564	2124	rundll32.exe	rundll32.exe
PID 2124 wrote to memory of 3564	2124	rundll32.exe	rundll32.exe
PID 2124 wrote to memory of 3288	2124	rundll32.exe	cmd.exe
PID 2124 wrote to memory of 3288	2124	rundll32.exe	cmd.exe
PID 2124 wrote to memory of 3288	2124	rundll32.exe	cmd.exe
PID 3288 wrote to memory of 2152	3288	cmd.exe	reg.exe
PID 3288 wrote to memory of 2152	3288	cmd.exe	reg.exe
PID 3288 wrote to memory of 2152	3288	cmd.exe	reg.exe
PID 3564 wrote to memory of 1664	3564	rundll32.exe	openwith.exe
PID 3564 wrote to memory of 1664	3564	rundll32.exe	openwith.exe
PID 3564 wrote to memory of 1664	3564	rundll32.exe	openwith.exe
PID 3564 wrote to memory of 1664	3564	rundll32.exe	openwith.exe
PID 3564 wrote to memory of 1664	3564	rundll32.exe	openwith.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1664

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b98594e1eb4827c104c9f671d08af90N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1828
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b98594e1eb4827c104c9f671d08af90N.dll,#1
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2124
- - 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:3564
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 592
      4⤵
      Program crash
      PID:2044
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 588
      4⤵
      Program crash
      PID:3896
- - 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:3288
  - - 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:2152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3564 -ip 3564
1⤵
PID:3980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3564 -ip 3564
1⤵
PID:4548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1664-27-0x0000000074F10000-0x0000000075125000-memory.dmp

Filesize
2.1MB

Download
memory/1664-24-0x00000000025C0000-0x00000000029C0000-memory.dmp

Filesize
4.0MB

Download
memory/1664-25-0x00007FFEAFE70000-0x00007FFEB0065000-memory.dmp

Filesize
2.0MB

Download
memory/1664-21-0x0000000000A90000-0x0000000000A99000-memory.dmp

Filesize
36KB

Download
memory/1664-29-0x00000000025C0000-0x00000000029C0000-memory.dmp

Filesize
4.0MB

Download
memory/1664-28-0x00000000025C0000-0x00000000029C0000-memory.dmp

Filesize
4.0MB

Download
memory/2124-8-0x0000000010000000-0x00000000102E1000-memory.dmp

Filesize
2.9MB

Download
memory/2124-4-0x0000000010000000-0x00000000102E1000-memory.dmp

Filesize
2.9MB

Download
memory/2124-3-0x0000000010000000-0x00000000102E1000-memory.dmp

Filesize
2.9MB

Download
memory/2124-1-0x000000001000E000-0x0000000010028000-memory.dmp

Filesize
104KB

Download
memory/2124-13-0x000000001000E000-0x0000000010028000-memory.dmp

Filesize
104KB

Download
memory/2124-2-0x0000000010000000-0x00000000102E1000-memory.dmp

Filesize
2.9MB

Download
memory/2124-0-0x0000000010000000-0x00000000102E1000-memory.dmp

Filesize
2.9MB

Download
memory/3564-10-0x0000000000AC0000-0x0000000000B3E000-memory.dmp

Filesize
504KB

Download
memory/3564-17-0x00007FFEAFE70000-0x00007FFEB0065000-memory.dmp

Filesize
2.0MB

Download
memory/3564-18-0x0000000003800000-0x0000000003C00000-memory.dmp

Filesize
4.0MB

Download
memory/3564-20-0x0000000074F10000-0x0000000075125000-memory.dmp

Filesize
2.1MB

Download
memory/3564-15-0x0000000003800000-0x0000000003C00000-memory.dmp

Filesize
4.0MB

Download
memory/3564-16-0x0000000003800000-0x0000000003C00000-memory.dmp

Filesize
4.0MB

Download
memory/3564-14-0x0000000003800000-0x0000000003C00000-memory.dmp

Filesize
4.0MB

Download
memory/3564-11-0x0000000000AC0000-0x0000000000B3E000-memory.dmp

Filesize
504KB

Download
memory/3564-9-0x0000000000AC0000-0x0000000000B3E000-memory.dmp

Filesize
504KB

Download
memory/3564-5-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download
memory/3564-31-0x0000000003800000-0x0000000003C00000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads