rhadamanthys | 946a2052d912c6e80542bf98460f81c9ebf59580bd64e5635cf819294172721c

General

Target

msn.exe
Size

5.5MB
MD5

537915708fe4e81e18e99d5104b353ed
SHA1

128ddb7096e5b748c72dc13f55b593d8d20aa3fb
SHA256

6dc7275f2143d1de0ca66c487b0f2ebff3d4c6a79684f03b9619bf23143ecf74
SHA512

9ceaaf7aa5889be9f5606646403133782d004b9d78ef83d7007dfce67c0f4f688d7931aebc74f1fc30aac2f1dd6281bdadfb52bc3ea46aca33b334adb4067ae2
SSDEEP

49152:ERUl697ngPTrho9J8kgdjbHNZ5PP/Re5m3mxVN6KEp0v7J7k66ZRkQTXw+sljVop:uAXqnhON8m3mzNHTdw6YSX+sleu5y

Score

10^/10

rhadamanthys discovery stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://185.196.11.237:9697/f002171ab05c7/73434jqg.jxviu

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2100	msn.exe

Loads dropped DLL 5 IoCs

pid	Process
1832	msn.exe
1832	msn.exe
2100	msn.exe
2100	msn.exe
2100	msn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2100 set thread context of 2768	2100	msn.exe	31

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1832	msn.exe
2100	msn.exe
2100	msn.exe
2768	cmd.exe
2768	cmd.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2100	msn.exe
2768	cmd.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 2100	1832	msn.exe	30
PID 1832 wrote to memory of 2100	1832	msn.exe	30
PID 1832 wrote to memory of 2100	1832	msn.exe	30
PID 1832 wrote to memory of 2100	1832	msn.exe	30
PID 2100 wrote to memory of 2768	2100	msn.exe	31
PID 2100 wrote to memory of 2768	2100	msn.exe	31
PID 2100 wrote to memory of 2768	2100	msn.exe	31
PID 2100 wrote to memory of 2768	2100	msn.exe	31
PID 2100 wrote to memory of 2768	2100	msn.exe	31
PID 2768 wrote to memory of 2740	2768	cmd.exe	34
PID 2768 wrote to memory of 2740	2768	cmd.exe	34
PID 2768 wrote to memory of 2740	2768	cmd.exe	34
PID 2768 wrote to memory of 2740	2768	cmd.exe	34
PID 2768 wrote to memory of 2740	2768	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\msn.exe
"C:\Users\Admin\AppData\Local\Temp\msn.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1832
- C:\ProgramData\downloaddemo_test\msn.exe
  C:\ProgramData\downloaddemo_test\msn.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\SysWOW64\cmd.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2768
  - - C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:2740

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

Loading Replay Monitor...

Downloads

C:\ProgramData\downloaddemo_test\MSNCore.dll

Filesize
991KB

MD5
deaa38a71c85d2f9d4ba71343d1603da

SHA1
bdbb492512cee480794e761d1bea718db14013ec

SHA256
1dc120f34b294e964eee949c4d1ebd9c271715d46b38ae082fec2f1d505e8d65

SHA512
87b152b642a020e07ad46e9ed5b4a462c12cf0918f82025c230f662eddb3bf4b2d3aa15ca770970beae5988dd5d5d9b7bcaf7a77c6d2f3acf6d12826f3a9ead7

Download Submit
C:\ProgramData\downloaddemo_test\bqbr

Filesize
896KB

MD5
0180c5a2f5b002e8755c60a3786c4975

SHA1
64bcbe91e3dd1dcd21709cbf189c032bb47501a2

SHA256
6eff0ca0c63ce6c712dc5f1f892b68d43894d13b681f75ab585b6c611dc16476

SHA512
8dbdfef7906be474ecadb7848042f3736483ef9b4ea05f4f60a3ae049a99bf1a8bcd57507b334e229c972784b6355b9dcf647c5992e56518a35d9ff0d639e1ff

Download Submit
C:\ProgramData\downloaddemo_test\gld

Filesize
88KB

MD5
06a62106f0d01ed3a971415b57366a8b

SHA1
9d905a38a4f53961a3828b2f759062b428dd25a9

SHA256
6c5fb0f5e586cac39cf4e06e918dad243053cb103a82afeed32d92732834cc93

SHA512
4565dfe2e72a4a08d2a66722cb3ab736a2fa45f0c0ad368805d778f57f3bade2c82b2f8eab3006e4258cf5be84e96a46233e68be4d14fec50382cd94c13a4d74

Download Submit
C:\Users\Admin\AppData\Local\Temp\8a05b13c

Filesize
1.1MB

MD5
06874d67c2251c2593664db244e9b35f

SHA1
d1b27d58e5e581a7ac57e13ea7309b114f41cee9

SHA256
081d39069773d1c2179777e5eefd2bc1c0f5d3f8356ef1a06a6093d0e67d15af

SHA512
2668101990aca568750f136f91ce6532a54f48d4717132777160a0790c365d4c5407160105a6a0193ebdee7a80095dcd6db0a88884e5881d6960c0da1a3f5765

Download Submit
\ProgramData\downloaddemo_test\contactsUX.dll

Filesize
331KB

MD5
54ee6a204238313dc6aca21c7e036c17

SHA1
531fd1c18e2e4984c72334eb56af78a1048da6c7

SHA256
0abf68b8409046a1555d48ac506fd26fda4b29d8d61e07bc412a4e21de2782fd

SHA512
19a2e371712aab54b75059d39a9aea6e7de2eb69b3ffc0332e60df617ebb9de61571b2ca722cddb75c9cbc79f8200d03f73539f21f69366eae3c7641731c7820

Download Submit
\ProgramData\downloaddemo_test\msidcrl40.dll

Filesize
784KB

MD5
f1f8d156bbdd5945a4f933ac7fa7cc41

SHA1
e581235e9f1a3a8a63b8a470eaed882bc93b9085

SHA256
344ac8e5debb1a496c3648f941801cdc6ffdfcc7eef8ed38e62270a2e20b1c3a

SHA512
86d799af3be251edecf6a552f473b94a0ba2d738b7b5f4a84c31bb34db4ea458f5e50090370bdf82f945e684dd5d66b88ebe3c902305bb0a435aca1331cb4ad9

Download Submit
\ProgramData\downloaddemo_test\msn.exe

Filesize
5.5MB

MD5
537915708fe4e81e18e99d5104b353ed

SHA1
128ddb7096e5b748c72dc13f55b593d8d20aa3fb

SHA256
6dc7275f2143d1de0ca66c487b0f2ebff3d4c6a79684f03b9619bf23143ecf74

SHA512
9ceaaf7aa5889be9f5606646403133782d004b9d78ef83d7007dfce67c0f4f688d7931aebc74f1fc30aac2f1dd6281bdadfb52bc3ea46aca33b334adb4067ae2

Download Submit
memory/1832-1-0x0000000077A00000-0x0000000077BA9000-memory.dmp

Filesize
1.7MB

Download
memory/1832-0-0x0000000074C10000-0x0000000074D84000-memory.dmp

Filesize
1.5MB

Download
memory/2100-24-0x0000000074B20000-0x0000000074C94000-memory.dmp

Filesize
1.5MB

Download
memory/2100-26-0x0000000074B33000-0x0000000074B35000-memory.dmp

Filesize
8KB

Download
memory/2100-25-0x0000000077A00000-0x0000000077BA9000-memory.dmp

Filesize
1.7MB

Download
memory/2100-27-0x0000000074B20000-0x0000000074C94000-memory.dmp

Filesize
1.5MB

Download
memory/2100-30-0x0000000074B20000-0x0000000074C94000-memory.dmp

Filesize
1.5MB

Download
memory/2740-45-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2740-49-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2740-47-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2740-46-0x0000000077A00000-0x0000000077BA9000-memory.dmp

Filesize
1.7MB

Download
memory/2768-31-0x0000000074B20000-0x0000000074C94000-memory.dmp

Filesize
1.5MB

Download
memory/2768-43-0x0000000074B20000-0x0000000074C94000-memory.dmp

Filesize
1.5MB

Download
memory/2768-42-0x0000000074B20000-0x0000000074C94000-memory.dmp

Filesize
1.5MB

Download
memory/2768-40-0x0000000074B20000-0x0000000074C94000-memory.dmp

Filesize
1.5MB

Download
memory/2768-34-0x0000000074B20000-0x0000000074C94000-memory.dmp

Filesize
1.5MB

Download
memory/2768-33-0x0000000077A00000-0x0000000077BA9000-memory.dmp

Filesize
1.7MB

Download
memory/2768-50-0x0000000074B20000-0x0000000074C94000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing