rhadamanthys | 751f149665f87dd20cc8dff743f28e5da1ff2a5f04874d4b8569b9afceeedfec

General

Target

751f149665f87dd20cc8dff743f28e5da1ff2a5f04874d4b8569b9afceeedfec.dll
Size

6.0MB
MD5

573baaf10e2cd69e7749e8d65c5adabf
SHA1

2879aae0d563b38b564c0c8905788fcf8c3e4b70
SHA256

751f149665f87dd20cc8dff743f28e5da1ff2a5f04874d4b8569b9afceeedfec
SHA512

79c7f3fd34225d5c0eceb2278676272f731f72bd0e632a080073993ebbad1c813df3a4ea5e63490b7844159bd36ca2855b6aca1242a2091327bcc5e9aa414434
SSDEEP

49152:JErEyCal8VnN+LwbEOCAQFhZ81wm+R9BlwxPJfkwDQby1uZLOkALP7fivHdHufrd:JElCQ8VN+TAghZbR9y6wKyskkk2HO

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 4904 created 2556	4904	rundll32.exe	44

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-1-5-21-945322488-2060912225-3527527000-1000\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
4756	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2296	4904	WerFault.exe	87
1828	4904	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
4904	rundll32.exe
4904	rundll32.exe
2128	openwith.exe
2128	openwith.exe
2128	openwith.exe
2128	openwith.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3884 wrote to memory of 4756	3884	rundll32.exe	85
PID 3884 wrote to memory of 4756	3884	rundll32.exe	85
PID 3884 wrote to memory of 4756	3884	rundll32.exe	85
PID 4756 wrote to memory of 4904	4756	rundll32.exe	87
PID 4756 wrote to memory of 4904	4756	rundll32.exe	87
PID 4756 wrote to memory of 4904	4756	rundll32.exe	87
PID 4756 wrote to memory of 4904	4756	rundll32.exe	87
PID 4756 wrote to memory of 4904	4756	rundll32.exe	87
PID 4756 wrote to memory of 4904	4756	rundll32.exe	87
PID 4756 wrote to memory of 232	4756	rundll32.exe	88
PID 4756 wrote to memory of 232	4756	rundll32.exe	88
PID 4756 wrote to memory of 232	4756	rundll32.exe	88
PID 232 wrote to memory of 408	232	cmd.exe	90
PID 232 wrote to memory of 408	232	cmd.exe	90
PID 232 wrote to memory of 408	232	cmd.exe	90
PID 4904 wrote to memory of 2128	4904	rundll32.exe	91
PID 4904 wrote to memory of 2128	4904	rundll32.exe	91
PID 4904 wrote to memory of 2128	4904	rundll32.exe	91
PID 4904 wrote to memory of 2128	4904	rundll32.exe	91
PID 4904 wrote to memory of 2128	4904	rundll32.exe	91

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2556
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2128

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\751f149665f87dd20cc8dff743f28e5da1ff2a5f04874d4b8569b9afceeedfec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3884
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\751f149665f87dd20cc8dff743f28e5da1ff2a5f04874d4b8569b9afceeedfec.dll,#1
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4756
- - 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:4904
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 596
      4⤵
      Program crash
      PID:2296
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 588
      4⤵
      Program crash
      PID:1828
- - 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:232
  - - 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:408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4904 -ip 4904
1⤵
PID:1808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4904 -ip 4904
1⤵
PID:4644

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

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Downloads

memory/2128-17-0x00000000004A0000-0x00000000004A9000-memory.dmp

Filesize
36KB

Download
memory/2128-26-0x0000000002060000-0x0000000002460000-memory.dmp

Filesize
4.0MB

Download
memory/2128-24-0x0000000002060000-0x0000000002460000-memory.dmp

Filesize
4.0MB

Download
memory/2128-23-0x0000000075600000-0x0000000075815000-memory.dmp

Filesize
2.1MB

Download
memory/2128-21-0x00007FFBB8270000-0x00007FFBB8465000-memory.dmp

Filesize
2.0MB

Download
memory/2128-19-0x0000000002060000-0x0000000002460000-memory.dmp

Filesize
4.0MB

Download
memory/2128-20-0x0000000002060000-0x0000000002460000-memory.dmp

Filesize
4.0MB

Download
memory/4756-1-0x0000000065000000-0x00000000654EA000-memory.dmp

Filesize
4.9MB

Download
memory/4756-6-0x0000000065000000-0x00000000654EA000-memory.dmp

Filesize
4.9MB

Download
memory/4756-5-0x0000000065000000-0x00000000654EA000-memory.dmp

Filesize
4.9MB

Download
memory/4756-2-0x0000000065013000-0x000000006502D000-memory.dmp

Filesize
104KB

Download
memory/4756-0-0x0000000065000000-0x00000000654EA000-memory.dmp

Filesize
4.9MB

Download
memory/4904-7-0x0000000000D00000-0x0000000000D7E000-memory.dmp

Filesize
504KB

Download
memory/4904-15-0x0000000003D50000-0x0000000004150000-memory.dmp

Filesize
4.0MB

Download
memory/4904-16-0x0000000075600000-0x0000000075815000-memory.dmp

Filesize
2.1MB

Download
memory/4904-11-0x0000000003D50000-0x0000000004150000-memory.dmp

Filesize
4.0MB

Download
memory/4904-12-0x00007FFBB8270000-0x00007FFBB8465000-memory.dmp

Filesize
2.0MB

Download
memory/4904-13-0x0000000003D50000-0x0000000004150000-memory.dmp

Filesize
4.0MB

Download
memory/4904-10-0x0000000003D50000-0x0000000004150000-memory.dmp

Filesize
4.0MB

Download
memory/4904-9-0x0000000000D00000-0x0000000000D7E000-memory.dmp

Filesize
504KB

Download
memory/4904-8-0x0000000000D00000-0x0000000000D7E000-memory.dmp

Filesize
504KB

Download
memory/4904-27-0x0000000003D50000-0x0000000004150000-memory.dmp

Filesize
4.0MB

Download
memory/4904-3-0x0000000000D80000-0x0000000000D81000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads