rhadamanthys | 709cbb4597154816bd82e8043ce9025371dbffcf84bbe323ab5fc0bc26aa261c

General

Target

709cbb4597154816bd82e8043ce9025371dbffcf84bbe323ab5fc0bc26aa261c.dll
Size

39.2MB
MD5

065ba31c88287283ea37b963c29843a5
SHA1

1dd0fef2b44cf95776439c2e34b0306c031a8ca5
SHA256

709cbb4597154816bd82e8043ce9025371dbffcf84bbe323ab5fc0bc26aa261c
SHA512

3d167e4f89a9a92c909ca404d2db30b564dee2a91f0cd04d46e6bef175943d0e38d2cbd12910b68cd20398dbf30730129aed4fc1d6ae0c7ae3fe2992b7e5ab4f
SSDEEP

393216:xe3INPM393Bqsr7+0Xx93by0WWZ2z8BCBkYplJIdqpLfX:xeYNM393BFrVx93bdZ2k8OdqpLP

Score

10^/10

rhadamanthys discovery persistence stealer

Malware Config

Signatures

Detects Rhadamanthys payload 4 IoCs

resource	yara_rule
behavioral2/memory/4428-2-0x0000000000B20000-0x0000000000BA1000-memory.dmp	Rhadamanthys_v8
behavioral2/memory/4428-4-0x0000000000B20000-0x0000000000BA1000-memory.dmp	Rhadamanthys_v8
behavioral2/memory/4428-5-0x0000000000B20000-0x0000000000BA1000-memory.dmp	Rhadamanthys_v8
behavioral2/memory/4428-3-0x0000000000B20000-0x0000000000BA1000-memory.dmp	Rhadamanthys_v8

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 4428 created 2488	4428	rundll32.exe	42

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-1-5-21-4003209913-3868522715-854928974-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FortinetDLP = "rundll32.exe C:\\Users\\Admin\\Documents\\CrashRpt231603.dll,EntryPoint"	reg.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4344	4428	WerFault.exe	89

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	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	svchost.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4428	rundll32.exe
4428	rundll32.exe
4428	rundll32.exe
4428	rundll32.exe
4768	svchost.exe
4768	svchost.exe
4768	svchost.exe
4768	svchost.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 4288	4648	rundll32.exe	83
PID 4648 wrote to memory of 4288	4648	rundll32.exe	83
PID 4648 wrote to memory of 4288	4648	rundll32.exe	83
PID 4288 wrote to memory of 4428	4288	rundll32.exe	89
PID 4288 wrote to memory of 4428	4288	rundll32.exe	89
PID 4288 wrote to memory of 4428	4288	rundll32.exe	89
PID 4288 wrote to memory of 4428	4288	rundll32.exe	89
PID 4288 wrote to memory of 4428	4288	rundll32.exe	89
PID 4288 wrote to memory of 4664	4288	rundll32.exe	90
PID 4288 wrote to memory of 4664	4288	rundll32.exe	90
PID 4288 wrote to memory of 4664	4288	rundll32.exe	90
PID 4664 wrote to memory of 368	4664	cmd.exe	92
PID 4664 wrote to memory of 368	4664	cmd.exe	92
PID 4664 wrote to memory of 368	4664	cmd.exe	92
PID 4428 wrote to memory of 4768	4428	rundll32.exe	93
PID 4428 wrote to memory of 4768	4428	rundll32.exe	93
PID 4428 wrote to memory of 4768	4428	rundll32.exe	93
PID 4428 wrote to memory of 4768	4428	rundll32.exe	93
PID 4428 wrote to memory of 4768	4428	rundll32.exe	93

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2488
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\System32\svchost.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4768

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\709cbb4597154816bd82e8043ce9025371dbffcf84bbe323ab5fc0bc26aa261c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\709cbb4597154816bd82e8043ce9025371dbffcf84bbe323ab5fc0bc26aa261c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4288
- - 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:4428
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 616
      4⤵
      Program crash
      PID:4344
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "FortinetDLP" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\CrashRpt231603.dll",EntryPoint /f & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4664
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "FortinetDLP" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\CrashRpt231603.dll",EntryPoint /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4428 -ip 4428
1⤵
PID:4956

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/4288-6-0x0000000011DB9000-0x0000000011DD2000-memory.dmp

Filesize
100KB

Download
memory/4288-0-0x0000000010000000-0x0000000012944000-memory.dmp

Filesize
41.3MB

Download
memory/4288-1-0x0000000011F36000-0x0000000011F7A000-memory.dmp

Filesize
272KB

Download
memory/4428-13-0x0000000002800000-0x0000000002C00000-memory.dmp

Filesize
4.0MB

Download
memory/4428-12-0x0000000002800000-0x0000000002C00000-memory.dmp

Filesize
4.0MB

Download
memory/4428-3-0x0000000000B20000-0x0000000000BA1000-memory.dmp

Filesize
516KB

Download
memory/4428-4-0x0000000000B20000-0x0000000000BA1000-memory.dmp

Filesize
516KB

Download
memory/4428-9-0x0000000002800000-0x0000000002C00000-memory.dmp

Filesize
4.0MB

Download
memory/4428-2-0x0000000000B20000-0x0000000000BA1000-memory.dmp

Filesize
516KB

Download
memory/4428-11-0x00007FFA13E10000-0x00007FFA14005000-memory.dmp

Filesize
2.0MB

Download
memory/4428-5-0x0000000000B20000-0x0000000000BA1000-memory.dmp

Filesize
516KB

Download
memory/4428-10-0x0000000002800000-0x0000000002C00000-memory.dmp

Filesize
4.0MB

Download
memory/4428-22-0x0000000002800000-0x0000000002C00000-memory.dmp

Filesize
4.0MB

Download
memory/4428-15-0x0000000075B20000-0x0000000075D35000-memory.dmp

Filesize
2.1MB

Download
memory/4768-18-0x0000000000E00000-0x0000000001200000-memory.dmp

Filesize
4.0MB

Download
memory/4768-21-0x0000000075B20000-0x0000000075D35000-memory.dmp

Filesize
2.1MB

Download
memory/4768-19-0x00007FFA13E10000-0x00007FFA14005000-memory.dmp

Filesize
2.0MB

Download
memory/4768-16-0x00000000006C0000-0x00000000006CA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads