rhadamanthys | 9f18caf887db4cccec90f1d018538b77fd5b6e2f7bcaaecbd66fee016f98e10d

General

Target

Installer_Kms.exe
Size

68.0MB
MD5

f53efc191a90dd0ba78c961b513efb56
SHA1

0a30f6b17900dd62ba3c76289ae7f427dd8c26cd
SHA256

9f18caf887db4cccec90f1d018538b77fd5b6e2f7bcaaecbd66fee016f98e10d
SHA512

a4b05a36ce2b58821a14d2f13d176756e0293e777e50e052a52a0543cc2fbee93ae4b0f46af21aa4b5ba86a5414ebc400da60201f25c1da8820620ad408e67a7
SSDEEP

786432:qxGBxG0xG4xGRxGXxGWxGmxGjxGBxG/xG8xGvxGqxGixG:qEBE0E4EREXEWEmEjEBE/E8EvEqEiE

Score

10^/10

rhadamanthys discovery stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://185.184.26.10:4928/e4eb12414c95175ccfd/15_SEP

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 1788 created 2452	1788	RegSvcs.exe	42

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	bitbucket.org
6	bitbucket.org

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\shell32.dll	Installer_Kms.exe
File created	C:\Windows\SysWOW64\temp.000	Installer_Kms.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2508 set thread context of 1788	2508	Installer_Kms.exe	87

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1804	1788	WerFault.exe	87
956	1788	WerFault.exe	87

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	openwith.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Installer_Kms.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1788	RegSvcs.exe
1788	RegSvcs.exe
2212	openwith.exe
2212	openwith.exe
2212	openwith.exe
2212	openwith.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2508	Installer_Kms.exe
Token: SeCreatePagefilePrivilege	2508	Installer_Kms.exe
Token: SeShutdownPrivilege	2508	Installer_Kms.exe
Token: SeCreatePagefilePrivilege	2508	Installer_Kms.exe
Token: SeShutdownPrivilege	2508	Installer_Kms.exe
Token: SeCreatePagefilePrivilege	2508	Installer_Kms.exe
Token: SeShutdownPrivilege	2508	Installer_Kms.exe
Token: SeCreatePagefilePrivilege	2508	Installer_Kms.exe
Token: SeShutdownPrivilege	2508	Installer_Kms.exe
Token: SeCreatePagefilePrivilege	2508	Installer_Kms.exe
Token: SeShutdownPrivilege	2508	Installer_Kms.exe
Token: SeCreatePagefilePrivilege	2508	Installer_Kms.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 1788	2508	Installer_Kms.exe	87
PID 2508 wrote to memory of 1788	2508	Installer_Kms.exe	87
PID 2508 wrote to memory of 1788	2508	Installer_Kms.exe	87
PID 2508 wrote to memory of 1788	2508	Installer_Kms.exe	87
PID 2508 wrote to memory of 1788	2508	Installer_Kms.exe	87
PID 2508 wrote to memory of 1788	2508	Installer_Kms.exe	87
PID 2508 wrote to memory of 1788	2508	Installer_Kms.exe	87
PID 2508 wrote to memory of 1788	2508	Installer_Kms.exe	87
PID 2508 wrote to memory of 1788	2508	Installer_Kms.exe	87
PID 2508 wrote to memory of 1788	2508	Installer_Kms.exe	87
PID 1788 wrote to memory of 2212	1788	RegSvcs.exe	89
PID 1788 wrote to memory of 2212	1788	RegSvcs.exe	89
PID 1788 wrote to memory of 2212	1788	RegSvcs.exe	89
PID 1788 wrote to memory of 2212	1788	RegSvcs.exe	89
PID 1788 wrote to memory of 2212	1788	RegSvcs.exe	89

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2452
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2212

C:\Users\Admin\AppData\Local\Temp\Installer_Kms.exe
"C:\Users\Admin\AppData\Local\Temp\Installer_Kms.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1788
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 432
    3⤵
    - Program crash
    PID:1804
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 420
    3⤵
    - Program crash
    PID:956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1788 -ip 1788
1⤵
PID:3880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1788 -ip 1788
1⤵
PID:4272

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

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1788-12-0x0000000003CD0000-0x00000000040D0000-memory.dmp

Filesize
4.0MB

Download
memory/1788-13-0x00007FFF7A690000-0x00007FFF7A885000-memory.dmp

Filesize
2.0MB

Download
memory/1788-7-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1788-9-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1788-10-0x0000000003CD0000-0x00000000040D0000-memory.dmp

Filesize
4.0MB

Download
memory/1788-11-0x0000000003CD0000-0x00000000040D0000-memory.dmp

Filesize
4.0MB

Download
memory/1788-8-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1788-14-0x0000000003CD0000-0x00000000040D0000-memory.dmp

Filesize
4.0MB

Download
memory/1788-6-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1788-23-0x0000000003CD0000-0x00000000040D0000-memory.dmp

Filesize
4.0MB

Download
memory/1788-16-0x0000000076690000-0x00000000768A5000-memory.dmp

Filesize
2.1MB

Download
memory/2212-19-0x00000000025E0000-0x00000000029E0000-memory.dmp

Filesize
4.0MB

Download
memory/2212-20-0x00007FFF7A690000-0x00007FFF7A885000-memory.dmp

Filesize
2.0MB

Download
memory/2212-22-0x0000000076690000-0x00000000768A5000-memory.dmp

Filesize
2.1MB

Download
memory/2212-17-0x00000000008F0000-0x00000000008F9000-memory.dmp

Filesize
36KB

Download

Analysis

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