rhadamanthys | 5f095b43d32fcde569305c88d892c1b33f9f2e888f68135b1c40659b44fb3858

General

Target

5f095b43d32fcde569305c88d892c1b33f9f2e888f68135b1c40659b44fb3858.exe
Size

280KB
MD5

55850b0229ae7b1633cbf03d6ea54593
SHA1

2d61983d795ba82edba2f1c0a62b4d051fd5eff0
SHA256

5f095b43d32fcde569305c88d892c1b33f9f2e888f68135b1c40659b44fb3858
SHA512

0335bdbe1cb76ced0e39cc7431ee3e96a4a24dd20654be0cb82391747da833bf54a5d67126d809a0917929299371317127210c07b792857210e4be16703c275d
SSDEEP

3072:8pJg6y2CB6yQLM5PWO15hZOhXu0eaxGh1UONGljh0aopXhhtTnyt/Y/xwCFJrKEd:8pAEdLM5PrWheraxGNG/cF9sTCFJr5

Score

10^/10

rhadamanthys collection discovery spyware stealer

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 2 IoCs

resource	yara_rule
behavioral1/memory/1800-135-0x0000000002F00000-0x0000000002F1D000-memory.dmp	family_rhadamanthys
behavioral1/memory/1800-143-0x0000000002F00000-0x0000000002F1D000-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

flow	pid	Process
23	728	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
728	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

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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

pid	pid_target	Process	procid_target
208	1800	WerFault.exe	78
1660	728	WerFault.exe	79

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

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

pid	Process
728	rundll32.exe
728	rundll32.exe
728	rundll32.exe
728	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 728	1800	5f095b43d32fcde569305c88d892c1b33f9f2e888f68135b1c40659b44fb3858.exe	79
PID 1800 wrote to memory of 728	1800	5f095b43d32fcde569305c88d892c1b33f9f2e888f68135b1c40659b44fb3858.exe	79

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\5f095b43d32fcde569305c88d892c1b33f9f2e888f68135b1c40659b44fb3858.exe
"C:\Users\Admin\AppData\Local\Temp\5f095b43d32fcde569305c88d892c1b33f9f2e888f68135b1c40659b44fb3858.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Windows\system32\rundll32.exe
  "C:\Users\Admin\AppData\Roaming\nsis_unse567803.dll",PrintUIEntry |5CQkOhmAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAKVkHwBs8|AtBQPz8Ev|AHMANABXAFrrAHAjAGInADYARr8ANQBqAFYtAln|SIPsKOgEAgD|AEiDxCjDzMz|zEyJRCQYSIn|VCQQSIlMJAj+XQFIi0QkMEiJ2wQkgQE4SG8ACEhvx0QkEC0B6w6BAV8QSIPAAY8BEIEBt0BIOZYAcyWfA4v|DCRIA8hIi8HXSItMqwFUewAD0f9Ii8qKCYgI6|3BZgVlSIsEJWD+8|AzyUiLUBhI|zvRdDZIg8Ig|0iLAkg7wnQq|2aDeEgYdRpM|4tAUGZBgzhru3QHERFLdQgREHj|EC50BUiLAOuv1UiLSP0AwWoAQP9TVVZXQVRBVe9BVkFXXQFmgTn|TVpNi|hMi|K|SIvZD4X88|BM|2NJPEGBPAlQv0UAAA+F6vPwQe+LhAmI8|CFwEi|jTwBD4TWahGDd7wJjC0BD4TH8|D|RItnIESLXxz|i3ckRItPGEz|A+FMA9lIA|H|M8lFhckPhKT+8|BNi8RBixBF|zPSSAPTigKE|8B0HUHByg0Pe77A+gABRAPQvxH|dexBgfqq|A3|fHQOg8EBSYP|wARBO8lzaev|xovBD7cMTkX|iyyLTAPrdFj7M+2qEHRRQYsU|sEA0zPJigJMi9|C6w|BycgRA8je5RABQYoA1RDtM3|AM|ZBOwy24BD+pgCDxgGD+Ahy|+7rCkiLy0H|f9VJiQT3g8XkEH|EBDtvGHKvZgH|QV9BXkFdQVzvX15dWzMXSIHs+2ABZACL6ehm|v|||0iFwA+EmNZ1IEyNrwGLKxDIM|f|6Jt9II1fBEz|jUVGM9KLy||3VCRogCBMi+AP64RrdSBFqBAzwIt905EgSIl8JCCmIP1wgCBIi|APhEv8dSCmIFBIjVYIRH+NR0BIjYwkhRG|SIvY6Hz9fiCNq1ZI3iAQ4iHM8|Do|WfvIESLBo1XCPRBIKYgWMohiYQkgNqHEt7z8IsO2iBYiWOMJHERBzCRIOgx7yD7i5wtMkyLXTpI74P7bEiKIDBMib9kJDhMi6QaMky7iVyEAYQk3IcRhu2SjRGNR0swjCTwfvPwSYvU6On8BTC7ipx4MkiNhHgyQf+A8yGNT2xEMP0YpAKD6QF184H9vHgyIVJleHVN74uEJPQiMZQk+P41AcJIO9hyOIP|+mx2M0SNSUCe+gCUQbgAmACmIECeyiL4dBlEtjDAMUnvjVQkbJEgSYPod2zoa4IwSIvOpiD|eEiF|3QSi1XzQkyOMBsxSI1MJD9A|9dIgcR0IWEkAC0ILQE=
  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:728
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 728 -s 304
    3⤵
    - Program crash
    PID:1660
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 692
  2⤵
  - Program crash
  PID:208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1800 -ip 1800
1⤵
PID:260

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 536 -p 728 -ip 728
1⤵
PID:2248

Network

MITRE ATT&CK Enterprise 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

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\nsis_unse567803.dll

Filesize
49KB

MD5
832890fded186835970d1d3302590138

SHA1
5385703e9dcde43e60928b2e9c941b7232468a6a

SHA256
438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

SHA512
5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

Download Submit
C:\Users\Admin\AppData\Roaming\nsis_unse567803.dll

Filesize
49KB

MD5
832890fded186835970d1d3302590138

SHA1
5385703e9dcde43e60928b2e9c941b7232468a6a

SHA256
438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

SHA512
5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

Download Submit
memory/728-140-0x000001EF0EC60000-0x000001EF0EC67000-memory.dmp

Filesize
28KB

Download
memory/728-147-0x00007FFD8D010000-0x00007FFD8D022000-memory.dmp

Filesize
72KB

Download
memory/728-146-0x00007FF423F50000-0x00007FF42404A000-memory.dmp

Filesize
1000KB

Download
memory/728-145-0x00007FF423F50000-0x00007FF42404A000-memory.dmp

Filesize
1000KB

Download
memory/728-141-0x00007FF423F50000-0x00007FF42404A000-memory.dmp

Filesize
1000KB

Download
memory/1800-136-0x0000000002F9D000-0x0000000002FAE000-memory.dmp

Filesize
68KB

Download
memory/1800-132-0x0000000002F79000-0x0000000002F9A000-memory.dmp

Filesize
132KB

Download
memory/1800-142-0x0000000002F79000-0x0000000002F9A000-memory.dmp

Filesize
132KB

Download
memory/1800-143-0x0000000002F00000-0x0000000002F1D000-memory.dmp

Filesize
116KB

Download
memory/1800-144-0x0000000000400000-0x0000000002BAF000-memory.dmp

Filesize
39.7MB

Download
memory/1800-135-0x0000000002F00000-0x0000000002F1D000-memory.dmp

Filesize
116KB

Download
memory/1800-134-0x0000000000400000-0x0000000002BAF000-memory.dmp

Filesize
39.7MB

Download
memory/1800-133-0x0000000002D30000-0x0000000002D55000-memory.dmp

Filesize
148KB

Download

Analysis

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