rhadamanthys | 57d471a6d9d5d24df56850b4d9351d3b0f86c31a9fef4676969435cbbdfb399a

General

Target

57d471a6d9d5d24df56850b4d9351d3b0f86c31a9fef4676969435cbbdfb399a.exe
Size

343KB
MD5

758a785ce8155a417d1cd33234d1062d
SHA1

6b6773fbc2b0fcd149d2ba7a17a6e0aa8ee407af
SHA256

57d471a6d9d5d24df56850b4d9351d3b0f86c31a9fef4676969435cbbdfb399a
SHA512

11b745bc22f6684d3bbc44a7072977f3ee45440260562aeb115883b72c84875f9ab7cdff33645a6931297c77b4e54e171f33e836874ed6097af7fd5b45be467d
SSDEEP

6144:C3XsdLOhkHuVmnk/JZcvQG/izPqyO2QwrBVuQj9Cv/ia:CsdCX5/TdG/izPFO2PrvljwS

Score

10^/10

rhadamanthys collection discovery spyware stealer

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4356-136-0x0000000002250000-0x000000000226D000-memory.dmp	family_rhadamanthys
behavioral1/memory/4356-144-0x0000000002250000-0x000000000226D000-memory.dmp	family_rhadamanthys

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys
Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

15 924 rundll32.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

924 rundll32.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

flow	pid	process
15	924	rundll32.exe

pid	process
924	rundll32.exe

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
3140	4356	WerFault.exe	57d471a6d9d5d24df56850b4d9351d3b0f86c31a9fef4676969435cbbdfb399a.exe
3892	924	WerFault.exe	rundll32.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rundll32.exe

pid process

924 rundll32.exe
924 rundll32.exe
924 rundll32.exe
924 rundll32.exe

pid	process
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

57d471a6d9d5d24df56850b4d9351d3b0f86c31a9fef4676969435cbbdfb399a.exe

description	pid	process	target process
PID 4356 wrote to memory of 924	4356	57d471a6d9d5d24df56850b4d9351d3b0f86c31a9fef4676969435cbbdfb399a.exe	rundll32.exe
PID 4356 wrote to memory of 924	4356	57d471a6d9d5d24df56850b4d9351d3b0f86c31a9fef4676969435cbbdfb399a.exe	rundll32.exe

outlook_office_path 1 IoCs

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

outlook_win_path 1 IoCs

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\57d471a6d9d5d24df56850b4d9351d3b0f86c31a9fef4676969435cbbdfb399a.exe
"C:\Users\Admin\AppData\Local\Temp\57d471a6d9d5d24df56850b4d9351d3b0f86c31a9fef4676969435cbbdfb399a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4356

C:\Windows\system32\rundll32.exe
"C:\Users\Admin\AppData\Roaming\nsis_unse5679b9.dll",PrintUIEntry |5CQkOhmAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAKVkHwBs8|AtBQPz8DO|AFUAWgBKFwA3|iEAawBRAEgAZvI|AG4|AC0BWUiD7P8o6AQCAABIg||EKMPMzMxMif9EJBhIiVQkEN9IiUwkCF0BSIt|RCQwSIkEJIEB+zhIbwAISMdEJO0QLQHrDoEBEEiD68ABjwEQgQFASDn2lgBzJZ8DiwwkSP8DyEiLwUiLTPqrAVR7AAPRSIvKv4oJiAjrwWYFZd9IiwQlYDkByUj|i1AYSDvRdDb|SIPCIEiLAkj|O8J0KmaDeEj|GHUaTItAUGa|QYM4a3QHERFL+3UIERB4EC50Bf9IiwDr1UiLSPr9AMFqAEBTVVZX|0FUQVVBVkFX|l0BZoE5TVpNi||4TIvySIvZD|uF|PPwTGNJPEH|gTwJUEUAAA|7herz8EGLhAmI|vPwhcBIjTwBD3uE1moRg7wJjC0B9w+Ex|PwRItnIP9Ei18ci3ckRP+LTxhMA+FMA||ZSAPxM8lFhe|JD4Sk8|BNi8T|QYsQRTPSSAP|04oChMB0HUG|wcoND77A+gAB90QD0L8RdexBgf|6qvwNfHQOg||BAUmDwARBO||Jc2nrxovBD|+3DE5FiyyLTL8D63RYM+2qEHTvUUGLFMEA0zPJ|4oCTIvC6w|B7cnIEQPI5RABQYr9ANUQ7TPAM|ZB5zsMtuAQpgCDxgH|g|gIcu7rCkj|i8tB|9VJiQT394PF5BDEBDtv9xhyr2YBQV9BXv9BXUFcX15dW74zF0iB7GABZACL|+noZv7||0iFb8APhJh1IEyNrwF9iysQyDP|6Jt9IP+NXwRMjUVGM3|Si8v|VCRogCC|TIvgD4RrdSBF3qgQM8CL05EgSInXfCQgpiBwgCBIi8|wD4RLdSCmIFBI|41WCESNR0BI942MJIURSIvY6Lt8|X4gjVZI3iAQ2uIhzPPw6GfvIESLTwaNVwhBIKYgWMohr4mEJICHEt7z8Is9DtogWImMJHERBzC2kSDoMe8gi5wtMkz|i106SIP7bEj+iiAwTIlkJDhMu4ukGjJMiVyEAYTbJNyHEYaSjRGNR+5LMIwk8PPwSYvUt+jp|AUwipx4Mkj7jYR4MkGA8yGN309sRDAYpAKD6d8BdfOBvHgyIVL|ZXh1TYuEJPTuIjGUJPg1AcJIO||YcjiD+mx2M+9EjUlA+gCUQbjpAJgApiBAyiL4dBn5RLYwwDFJjVQkbH6RIEmD6Gzoa4Iw90iLzqYgeEiF|z90EotVQkyOMBsx|0iNTCRA|9dIA4HEdCFhJC0ILQE=
2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:924

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 924 -s 564
3⤵
- Program crash
PID:3892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4356 -s 704
2⤵
- Program crash
PID:3140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4356 -ip 4356
1⤵
PID:2416

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 468 -p 924 -ip 924
1⤵
PID:400

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\nsis_unse5679b9.dll
Filesize
49KB

MD5
832890fded186835970d1d3302590138

SHA1
5385703e9dcde43e60928b2e9c941b7232468a6a

SHA256
438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

SHA512
5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

Download Submit
C:\Users\Admin\AppData\Roaming\nsis_unse5679b9.dll
Filesize
49KB

MD5
832890fded186835970d1d3302590138

SHA1
5385703e9dcde43e60928b2e9c941b7232468a6a

SHA256
438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

SHA512
5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

Download Submit
memory/924-140-0x0000025D73640000-0x0000025D73647000-memory.dmp

Filesize
28KB

Download
memory/924-137-0x0000000000000000-mapping.dmp

Download
memory/924-141-0x00007FF4536C0000-0x00007FF4537BA000-memory.dmp

Filesize
1000KB

Download
memory/924-145-0x00007FF4536C0000-0x00007FF4537BA000-memory.dmp

Filesize
1000KB

Download
memory/924-146-0x00007FFFABD30000-0x00007FFFABD42000-memory.dmp

Filesize
72KB

Download
memory/4356-135-0x0000000000521000-0x0000000000532000-memory.dmp

Filesize
68KB

Download
memory/4356-136-0x0000000002250000-0x000000000226D000-memory.dmp

Filesize
116KB

Download
memory/4356-133-0x00000000021C0000-0x00000000021E5000-memory.dmp

Filesize
148KB

Download
memory/4356-134-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/4356-132-0x00000000004FE000-0x000000000051E000-memory.dmp

Filesize
128KB

Download
memory/4356-142-0x00000000004FE000-0x000000000051E000-memory.dmp

Filesize
128KB

Download
memory/4356-143-0x0000000000521000-0x0000000000532000-memory.dmp

Filesize
68KB

Download
memory/4356-144-0x0000000002250000-0x000000000226D000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads