rhadamanthys | 7e349519630ee5375d6dd2671aa8137fd91cd03b05c453450ce66e13f84e3419

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-09-2024 03:50

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General

Target

da3ef6613f3b3a7ae9d7b7583c8f71d4.dll
Size

40.0MB
MD5

da3ef6613f3b3a7ae9d7b7583c8f71d4
SHA1

524a58dd38f63ac57f801efad2f5a350b5f90e0e
SHA256

7e349519630ee5375d6dd2671aa8137fd91cd03b05c453450ce66e13f84e3419
SHA512

d2a77587f5467b50be2e57145677d96e9a9194bb867d3221f325342e34929193a202cc35a7e0d005673d4d08a1ce886df8279ae5604d04b05378f9ded8c3abc0
SSDEEP

49152:zChvv6FzlQKxCjGj+Vd4OscisICzSHgz/1ooOEO3/8CJtQmqFkCn3sSJ5hp6A0+q:zChvydfkj2m4WIG/1Iv4PekkkdH+

Score

10^/10

rhadamanthys discovery persistence stealer

Malware Config

Extracted

Family

rhadamanthys

https://15.235.176.166:8344/ecda3896be16ad7255/wp7s4npg.mmar7

Signatures

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

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-1-5-21-2872745919-2748461613-2989606286-1000\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
2076	rundll32.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1248	2528	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 4 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.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

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

rundll32.exerundll32.exerundll32.execmd.exe

description	pid	Process	procid_target
PID 1288 wrote to memory of 2076	1288	rundll32.exe	30
PID 1288 wrote to memory of 2076	1288	rundll32.exe	30
PID 1288 wrote to memory of 2076	1288	rundll32.exe	30
PID 1288 wrote to memory of 2076	1288	rundll32.exe	30
PID 1288 wrote to memory of 2076	1288	rundll32.exe	30
PID 1288 wrote to memory of 2076	1288	rundll32.exe	30
PID 1288 wrote to memory of 2076	1288	rundll32.exe	30
PID 2076 wrote to memory of 2528	2076	rundll32.exe	32
PID 2076 wrote to memory of 2528	2076	rundll32.exe	32
PID 2076 wrote to memory of 2528	2076	rundll32.exe	32
PID 2076 wrote to memory of 2528	2076	rundll32.exe	32
PID 2076 wrote to memory of 2528	2076	rundll32.exe	32
PID 2076 wrote to memory of 2528	2076	rundll32.exe	32
PID 2076 wrote to memory of 2528	2076	rundll32.exe	32
PID 2076 wrote to memory of 2528	2076	rundll32.exe	32
PID 2076 wrote to memory of 2528	2076	rundll32.exe	32
PID 2076 wrote to memory of 2528	2076	rundll32.exe	32
PID 2528 wrote to memory of 1248	2528	rundll32.exe	33
PID 2528 wrote to memory of 1248	2528	rundll32.exe	33
PID 2528 wrote to memory of 1248	2528	rundll32.exe	33
PID 2528 wrote to memory of 1248	2528	rundll32.exe	33
PID 2076 wrote to memory of 2720	2076	rundll32.exe	34
PID 2076 wrote to memory of 2720	2076	rundll32.exe	34
PID 2076 wrote to memory of 2720	2076	rundll32.exe	34
PID 2076 wrote to memory of 2720	2076	rundll32.exe	34
PID 2720 wrote to memory of 2716	2720	cmd.exe	36
PID 2720 wrote to memory of 2716	2720	cmd.exe	36
PID 2720 wrote to memory of 2716	2720	cmd.exe	36
PID 2720 wrote to memory of 2716	2720	cmd.exe	36

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\da3ef6613f3b3a7ae9d7b7583c8f71d4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\da3ef6613f3b3a7ae9d7b7583c8f71d4.dll,#1
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2076
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2528
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 196
      4⤵
      Program crash
      PID:1248
- - 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:2720
  - - 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:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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/2076-12-0x0000000010000000-0x0000000010636000-memory.dmp

Filesize
6.2MB

Download
memory/2076-0-0x0000000010000000-0x0000000010636000-memory.dmp

Filesize
6.2MB

Download
memory/2076-2-0x0000000010000000-0x0000000010636000-memory.dmp

Filesize
6.2MB

Download
memory/2076-1-0x000000001000C000-0x0000000010025000-memory.dmp

Filesize
100KB

Download
memory/2076-10-0x0000000010000000-0x0000000010636000-memory.dmp

Filesize
6.2MB

Download
memory/2076-17-0x0000000010000000-0x0000000010636000-memory.dmp

Filesize
6.2MB

Download
memory/2528-13-0x0000000000110000-0x000000000018E000-memory.dmp

Filesize
504KB

Download
memory/2528-16-0x0000000000110000-0x000000000018E000-memory.dmp

Filesize
504KB

Download
memory/2528-14-0x0000000000110000-0x000000000018E000-memory.dmp

Filesize
504KB

Download
memory/2528-8-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2528-7-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2528-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2528-3-0x0000000000110000-0x000000000018E000-memory.dmp

Filesize
504KB

Download