rhadamanthys | 9f18caf887db4cccec90f1d018538b77fd5b6e2f7bcaaecbd66fee016f98e10d

Analysis

max time kernel
95s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/09/2024, 03:59

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General

Target
InstallerKms.exe
Size 68.0MB
Sample240923-ekdsnswajf
SHA256 9f18caf887db4cccec90f1d018538b77fd5b6e2f7bcaaecbd66fee016f98e10d
MD5 f53efc191a90dd0ba78c961b513efb56
SHA1 0a30f6b17900dd62ba3c76289ae7f427dd8c26cd
SHA512 a4b05a36ce2b58821a14d2f13d176756e0293e777e50e052a52a0543cc2fbee93ae4b0f46af21aa4b5ba86a5414ebc400da60201f25c1da8820620ad408e67a7
SSDEEP 786432:qxGBxG0xG4xGRxGXxGWxGmxGjxGBxG/xG8xGvxGqxGixG:qEBE0E4EREXEWEmEjEBE/E8EvEqEiE
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

rhadamanthys discovery stealer

Malware Config

Extracted

Family

rhadamanthys

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 2252 created 2588	2252	CasPol.exe	44

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

Web Service

T1102

flow	ioc
11	bitbucket.org
13	bitbucket.org

Drops file in System32 directory 2 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3180 set thread context of 2252	3180	InstallerKms.exe	86

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2920	2252	WerFault.exe	86
4848	2252	WerFault.exe	86

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	InstallerKms.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CasPol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openwith.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2252	CasPol.exe
2252	CasPol.exe
4916	openwith.exe
4916	openwith.exe
4916	openwith.exe
4916	openwith.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3180	InstallerKms.exe
Token: SeCreatePagefilePrivilege	3180	InstallerKms.exe
Token: SeShutdownPrivilege	3180	InstallerKms.exe
Token: SeCreatePagefilePrivilege	3180	InstallerKms.exe
Token: SeShutdownPrivilege	3180	InstallerKms.exe
Token: SeCreatePagefilePrivilege	3180	InstallerKms.exe
Token: SeShutdownPrivilege	3180	InstallerKms.exe
Token: SeCreatePagefilePrivilege	3180	InstallerKms.exe
Token: SeShutdownPrivilege	3180	InstallerKms.exe
Token: SeCreatePagefilePrivilege	3180	InstallerKms.exe
Token: SeShutdownPrivilege	3180	InstallerKms.exe
Token: SeCreatePagefilePrivilege	3180	InstallerKms.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3180 wrote to memory of 2252	3180	InstallerKms.exe	86
PID 3180 wrote to memory of 2252	3180	InstallerKms.exe	86
PID 3180 wrote to memory of 2252	3180	InstallerKms.exe	86
PID 3180 wrote to memory of 2252	3180	InstallerKms.exe	86
PID 3180 wrote to memory of 2252	3180	InstallerKms.exe	86
PID 3180 wrote to memory of 2252	3180	InstallerKms.exe	86
PID 3180 wrote to memory of 2252	3180	InstallerKms.exe	86
PID 3180 wrote to memory of 2252	3180	InstallerKms.exe	86
PID 3180 wrote to memory of 2252	3180	InstallerKms.exe	86
PID 3180 wrote to memory of 2252	3180	InstallerKms.exe	86
PID 2252 wrote to memory of 4916	2252	CasPol.exe	88
PID 2252 wrote to memory of 4916	2252	CasPol.exe	88
PID 2252 wrote to memory of 4916	2252	CasPol.exe	88
PID 2252 wrote to memory of 4916	2252	CasPol.exe	88
PID 2252 wrote to memory of 4916	2252	CasPol.exe	88

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2588
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4916

C:\Users\Admin\AppData\Local\Temp\InstallerKms.exe
"C:\Users\Admin\AppData\Local\Temp\InstallerKms.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:3180
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2252
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 432
    3⤵
    - Program crash
    PID:2920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 428
    3⤵
    - Program crash
    PID:4848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2252 -ip 2252
1⤵
PID:1572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2252 -ip 2252
1⤵
PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

memory/2252-13-0x00007FFEDF1B0000-0x00007FFEDF3A5000-memory.dmp

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memory/2252-16-0x00000000760B0000-0x00000000762C5000-memory.dmp

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memory/2252-7-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2252-9-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2252-11-0x0000000003A60000-0x0000000003E60000-memory.dmp

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memory/2252-10-0x0000000003A60000-0x0000000003E60000-memory.dmp

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memory/2252-8-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2252-24-0x0000000003A60000-0x0000000003E60000-memory.dmp

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memory/2252-6-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/2252-14-0x0000000003A60000-0x0000000003E60000-memory.dmp

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memory/2252-12-0x0000000003A60000-0x0000000003E60000-memory.dmp

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memory/4916-20-0x0000000000F60000-0x0000000000F69000-memory.dmp

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memory/4916-19-0x0000000002E30000-0x0000000003230000-memory.dmp

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memory/4916-21-0x00007FFEDF1B0000-0x00007FFEDF3A5000-memory.dmp

Download

memory/4916-23-0x00000000760B0000-0x00000000762C5000-memory.dmp

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memory/4916-17-0x0000000000F60000-0x0000000000F69000-memory.dmp

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