rhadamanthys | b3c16003d613c90f1741bf5b9cf2f2ceb3eac08da27dacefd8162364838a3227

Analysis

max time kernel
30s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
07/03/2023, 12:41

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General

Target
file.exe
Size 306KB
Sample230307-pwsfbaaa43
SHA256 b3c16003d613c90f1741bf5b9cf2f2ceb3eac08da27dacefd8162364838a3227
MD5 457bf3e5181bbddea129330b1cd81b78
SHA1 efa77c57e3c3349fda484f7b06b69ce0635a6f12
SHA512 ae54777c03913a3eb589754061439806a2b8704d6844b2c5352ae8e5e10b16e6e3cc09c1a4269d45ff8668a8a361584cc30f6170376e4360684ca317276883c2
SSDEEP 6144:5mLIg+4U0b0iYqEV1uz8+LyznLFOpUOF0ketYVMNb:5mB+L0sqEVQ8WyznLmB0kk2
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

rhadamanthys collection discovery spyware stealer

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 4 IoCs

resource	yara_rule
behavioral1/memory/1636-57-0x00000000002F0000-0x000000000030D000-memory.dmp	family_rhadamanthys
behavioral1/memory/1636-59-0x00000000002F0000-0x000000000030D000-memory.dmp	family_rhadamanthys
behavioral1/memory/1636-60-0x00000000002F0000-0x000000000030D000-memory.dmp	family_rhadamanthys
behavioral1/memory/1636-73-0x00000000002F0000-0x000000000030D000-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
2	612	rundll32.exe

Loads dropped DLL 4 IoCs

pid	Process
612	rundll32.exe
612	rundll32.exe
612	rundll32.exe
612	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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\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

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
612	rundll32.exe
612	rundll32.exe
612	rundll32.exe
612	rundll32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 612	1636	file.exe	27
PID 1636 wrote to memory of 612	1636	file.exe	27
PID 1636 wrote to memory of 612	1636	file.exe	27
PID 1636 wrote to memory of 612	1636	file.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\system32\rundll32.exe
  "C:\Users\Admin\AppData\Roaming\nsis_uns6c66ee.dll",PrintUIEntry |5CQkOhmAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAKVkHwBs8|AtBQPz8Gz|AHEAaQBIAFDvAEYAQR8AcwBO|wBWAEkATwBj|i0CWUiD7CjoBP8CAABIg8Qow||MzMxMiUQkGP9IiVQkEEiJTPskCF0BSItEJDBvSIkEJIEBOEhvAL8ISMdEJBAtAet9DoEBEEiDwAGPAd0QgQFASDmWAHMl|p8DiwwkSAPISF+LwUiLTKsBVHsA|wPRSIvKigmI9wjrwWYFZUiLBPslYPPwM8lIi1D|GEg70XQ2SIP|wiBIiwJIO8L|dCpmg3hIGHX|GkyLQFBmQYPvOGt0BxERS3UI|hEQeBAudAVIi78A69VIi0j9AMH+agBAU1VWV0FUv0FVQVZBV10BZv+BOU1aTYv4TP+L8kiL2Q+F|P7z8ExjSTxBgTz|CVBFAAAPheq+8|BBi4QJiPPwhf|ASI08AQ+E1t5qEYO8CYwtAQ+E|cfz8ESLZyBEi|9fHIt3JESLT|8YTAPhTAPZSP8D8TPJRYXJD|uEpPPwTYvEQYv|EEUz0kgD04r|AoTAdB1BwcrvDQ++wPoAAUQD|dC|EXXsQYH6qv|8DXx0DoPBAf9Jg8AEQTvJc|9p68aLwQ+3DP9ORYssi0wD6+90WDPtqhB0UUH7ixTBANMzyYoCf0yLwusPwcnIEXsDyOUQAUGKANUQ|+0zwDP2QTsM+bbgEKYAg8YBg|j|CHLu6wpIi8v|Qf|VSYkE94P9xeQQxAQ7bxhy|a9mAUFfQV5BXb9BXF9eXVszF0jvgexgAWQAi+no|2b+||9IhcAPW4SYdSBMja8BiysQ38gz|+ibfSCNX|8ETI1FRjPSi9|L|1QkaIAgTIuv4A+Ea3UgRagQM|fAi9ORIEiJfCT1IKYgcIAgSIvwD|OES3UgpiBQSI1W|whEjUdASI2M|SSFEUiL2Oh8|a5+II1WSN4gEOIhzPbz8Ohn7yBEiwaN01cIQSCmIFjKIYmEaySAhxLe8|CLDtogj1iJjCRxEQcwkSDo7THvIIucLTJMi12|OkiD+2xIiiAw|0yJZCQ4TIuk7hoyTIlchAGEJNy2hxGGko0RjUdLMIz7JPDz8EmL1Ojp7fwFMIqceDJIjYT+eDJBgPMhjU9s90QwGKQCg+kBdffzgbx4MiFSZXi|dU2LhCT0IjGU+yT4NQHCSDvYcv84g|psdjNEjXtJQPoAlEG4AJgAeqYgQMoi+HQZRLYwvsAxSY1UJGyRIEnfg+hs6GuCMEiL|c6mIHhIhf90Es+LVUJMjjAbMUiN|0wkQP|XSIHEAHQhYSQtCC0B
  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:612

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

nsis_uns6c66ee.dll

Path C:\Users\Admin\AppData\Roaming\nsis_uns6c66ee.dll
Size 49KB
SHA256 438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576
MD5 832890fded186835970d1d3302590138
SHA1 5385703e9dcde43e60928b2e9c941b7232468a6a
SHA512 5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1
SSDEEP 768:aFrMkWGTEB8sbPDzuW68Ps3yJXMH5Tts9sxlBakygO7wDyEpSDAWG2NqQbZq3sYU:atbDTvBW71G5S9sxlckyV7w5pSAdV3C
MD5 SHA1 SHA512 SSDEEP

Submit Download

nsis_uns6c66ee.dll

Path \Users\Admin\AppData\Roaming\nsis_uns6c66ee.dll
Size 49KB
SHA256 438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576
MD5 832890fded186835970d1d3302590138
SHA1 5385703e9dcde43e60928b2e9c941b7232468a6a
SHA512 5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1
SSDEEP 768:aFrMkWGTEB8sbPDzuW68Ps3yJXMH5Tts9sxlBakygO7wDyEpSDAWG2NqQbZq3sYU:atbDTvBW71G5S9sxlckyV7w5pSAdV3C
MD5 SHA1 SHA512 SSDEEP

Submit Download

nsis_uns6c66ee.dll

Path \Users\Admin\AppData\Roaming\nsis_uns6c66ee.dll
Size 49KB
SHA256 438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576
MD5 832890fded186835970d1d3302590138
SHA1 5385703e9dcde43e60928b2e9c941b7232468a6a
SHA512 5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1
SSDEEP 768:aFrMkWGTEB8sbPDzuW68Ps3yJXMH5Tts9sxlBakygO7wDyEpSDAWG2NqQbZq3sYU:atbDTvBW71G5S9sxlckyV7w5pSAdV3C
MD5 SHA1 SHA512 SSDEEP

Submit Download

nsis_uns6c66ee.dll

Path \Users\Admin\AppData\Roaming\nsis_uns6c66ee.dll
Size 49KB
SHA256 438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576
MD5 832890fded186835970d1d3302590138
SHA1 5385703e9dcde43e60928b2e9c941b7232468a6a
SHA512 5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1
SSDEEP 768:aFrMkWGTEB8sbPDzuW68Ps3yJXMH5Tts9sxlBakygO7wDyEpSDAWG2NqQbZq3sYU:atbDTvBW71G5S9sxlckyV7w5pSAdV3C
MD5 SHA1 SHA512 SSDEEP

Submit Download

nsis_uns6c66ee.dll

Path \Users\Admin\AppData\Roaming\nsis_uns6c66ee.dll
Size 49KB
SHA256 438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576
MD5 832890fded186835970d1d3302590138
SHA1 5385703e9dcde43e60928b2e9c941b7232468a6a
SHA512 5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1
SSDEEP 768:aFrMkWGTEB8sbPDzuW68Ps3yJXMH5Tts9sxlBakygO7wDyEpSDAWG2NqQbZq3sYU:atbDTvBW71G5S9sxlckyV7w5pSAdV3C
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/612-67-0x0000000000190000-0x0000000000197000-memory.dmp

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memory/612-70-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

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memory/612-76-0x000007FEFBA30000-0x000007FEFBA42000-memory.dmp

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memory/612-75-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

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memory/612-74-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

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memory/612-71-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

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memory/612-68-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

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memory/612-69-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

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memory/1636-57-0x00000000002F0000-0x000000000030D000-memory.dmp

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memory/1636-55-0x0000000000220000-0x0000000000245000-memory.dmp

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memory/1636-72-0x0000000000400000-0x00000000004D1000-memory.dmp

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memory/1636-73-0x00000000002F0000-0x000000000030D000-memory.dmp

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memory/1636-60-0x00000000002F0000-0x000000000030D000-memory.dmp

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memory/1636-58-0x0000000000310000-0x0000000000311000-memory.dmp

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memory/1636-59-0x00000000002F0000-0x000000000030D000-memory.dmp

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