rhadamanthys | 850446aaa547dd4d286aeac1f1161b1aba09315f793c6ba2de3f00876a83bb29

General

Target

msimg32.dll
Size

78.7MB
MD5

d83a4f163a9a76a81dabcb7123df01d5
SHA1

765d934964ce4d11bf37d662083d497f4fd685fe
SHA256

d4e07d9cc1eaa08e84d2679f89829a4e8dec000b6ad1c793c3500df77f746b69
SHA512

758a2fadbf033c54584ab7affd2a7291ec86a43da1b0b0c0d85a10df595643799e9c8796c3abb0e2262212ab5051f1ae8894b8fd0039710e8bce4d1da749b85c
SSDEEP

1572864:gIP31m/9JRLQwY9FhWYeWmetINN6Hy/S5PQtOACiK1IHAdoI:TNoRLQwY9F+NrkFYup

Score

10^/10

rhadamanthys discovery stealer

Malware Config

Signatures

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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4100 created 2968	4100	rundll32.exe	50

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
4852	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2448	4100	WerFault.exe	83
4524	4100	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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openwith.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4100	rundll32.exe
4100	rundll32.exe
3128	openwith.exe
3128	openwith.exe
3128	openwith.exe
3128	openwith.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 4852	2460	rundll32.exe	82
PID 2460 wrote to memory of 4852	2460	rundll32.exe	82
PID 2460 wrote to memory of 4852	2460	rundll32.exe	82
PID 4852 wrote to memory of 4100	4852	rundll32.exe	83
PID 4852 wrote to memory of 4100	4852	rundll32.exe	83
PID 4852 wrote to memory of 4100	4852	rundll32.exe	83
PID 4852 wrote to memory of 4100	4852	rundll32.exe	83
PID 4852 wrote to memory of 4100	4852	rundll32.exe	83
PID 4852 wrote to memory of 4100	4852	rundll32.exe	83
PID 4100 wrote to memory of 3128	4100	rundll32.exe	85
PID 4100 wrote to memory of 3128	4100	rundll32.exe	85
PID 4100 wrote to memory of 3128	4100	rundll32.exe	85
PID 4100 wrote to memory of 3128	4100	rundll32.exe	85
PID 4100 wrote to memory of 3128	4100	rundll32.exe	85

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2968
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3128

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\msimg32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\msimg32.dll,#1
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4852
- - 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:4100
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4100 -s 600
      4⤵
      Program crash
      PID:2448
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4100 -s 596
      4⤵
      Program crash
      PID:4524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4100 -ip 4100
1⤵
PID:1392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4100 -ip 4100
1⤵
PID:3876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/3128-24-0x00007FF9730B0000-0x00007FF9732A5000-memory.dmp

Filesize
2.0MB

Download
memory/3128-26-0x0000000077990000-0x0000000077BA5000-memory.dmp

Filesize
2.1MB

Download
memory/3128-23-0x0000000002E40000-0x0000000003240000-memory.dmp

Filesize
4.0MB

Download
memory/3128-21-0x0000000000FF0000-0x0000000000FF9000-memory.dmp

Filesize
36KB

Download
memory/4100-15-0x0000000000860000-0x00000000008DE000-memory.dmp

Filesize
504KB

Download
memory/4100-2-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/4100-17-0x00000000035E0000-0x00000000039E0000-memory.dmp

Filesize
4.0MB

Download
memory/4100-20-0x0000000077990000-0x0000000077BA5000-memory.dmp

Filesize
2.1MB

Download
memory/4100-18-0x00007FF9730B0000-0x00007FF9732A5000-memory.dmp

Filesize
2.0MB

Download
memory/4100-12-0x0000000000860000-0x00000000008DE000-memory.dmp

Filesize
504KB

Download
memory/4100-16-0x00000000035E0000-0x00000000039E0000-memory.dmp

Filesize
4.0MB

Download
memory/4100-13-0x0000000000860000-0x00000000008DE000-memory.dmp

Filesize
504KB

Download
memory/4852-8-0x0000000015004000-0x0000000015008000-memory.dmp

Filesize
16KB

Download
memory/4852-14-0x0000000010000000-0x000000001504C000-memory.dmp

Filesize
80.3MB

Download
memory/4852-0-0x0000000010000000-0x000000001504C000-memory.dmp

Filesize
80.3MB

Download
memory/4852-5-0x00000000100A2000-0x00000000100BC000-memory.dmp

Filesize
104KB

Download
memory/4852-6-0x0000000014FF9000-0x0000000015000000-memory.dmp

Filesize
28KB

Download
memory/4852-7-0x0000000015001000-0x0000000015008000-memory.dmp

Filesize
28KB

Download
memory/4852-1-0x00000000100A2000-0x00000000100BC000-memory.dmp

Filesize
104KB

Download
memory/4852-9-0x0000000015009000-0x000000001500D000-memory.dmp

Filesize
16KB

Download
memory/4852-10-0x000000001500C000-0x000000001503A000-memory.dmp

Filesize
184KB

Download
memory/4852-11-0x0000000015011000-0x000000001503A000-memory.dmp

Filesize
164KB

Download
memory/4852-28-0x0000000010000000-0x000000001504C000-memory.dmp

Filesize
80.3MB

Download

Analysis

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