rhadamanthys | e98666fc150e5d345ed957a4755bcb23529d17977c8da9920faaff25003f561d

Analysis

max time kernel
37s
max time network
35s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
05/04/2023, 10:57

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General

Target
94b5e686a97900aa3b37e4b91bc1f527.exe
Size 273KB
Sample230405-m19jaadc49
SHA256 e98666fc150e5d345ed957a4755bcb23529d17977c8da9920faaff25003f561d
MD5 94b5e686a97900aa3b37e4b91bc1f527
SHA1 8a4e96d9f9489a73ad49ac56e61e879111b0dd4c
SHA512 685a0e45f28b6abbcc6190f3bdbf88cd9e09dbce93a553d9ea946aa0b63721c3f9d6f4246e2c59f6ab8bca0317d6a79b6b503950b7cec307fdf00e5b7dfb7b72
SSDEEP 3072:tQX+w/80EWdxNbHsu3VjCEN4MLm857pkV+Pyb586hkg45sYUYsxTw:yXp80VNbHBoQfL7++Py986vYUYiT
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

rhadamanthys collection stealer

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 4 IoCs

resource	yara_rule
behavioral1/memory/928-59-0x0000000000270000-0x000000000028C000-memory.dmp	family_rhadamanthys
behavioral1/memory/928-60-0x0000000000270000-0x000000000028C000-memory.dmp	family_rhadamanthys
behavioral1/memory/928-62-0x0000000000270000-0x000000000028C000-memory.dmp	family_rhadamanthys
behavioral1/memory/928-71-0x0000000000270000-0x000000000028C000-memory.dmp	family_rhadamanthys

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	dllhost.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

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

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
928	94b5e686a97900aa3b37e4b91bc1f527.exe
928	94b5e686a97900aa3b37e4b91bc1f527.exe
1188	dllhost.exe
1188	dllhost.exe
1188	dllhost.exe
1188	dllhost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 1188	928	94b5e686a97900aa3b37e4b91bc1f527.exe	28
PID 928 wrote to memory of 1188	928	94b5e686a97900aa3b37e4b91bc1f527.exe	28
PID 928 wrote to memory of 1188	928	94b5e686a97900aa3b37e4b91bc1f527.exe	28
PID 928 wrote to memory of 1188	928	94b5e686a97900aa3b37e4b91bc1f527.exe	28
PID 928 wrote to memory of 1188	928	94b5e686a97900aa3b37e4b91bc1f527.exe	28
PID 928 wrote to memory of 1188	928	94b5e686a97900aa3b37e4b91bc1f527.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	dllhost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	dllhost.exe

C:\Users\Admin\AppData\Local\Temp\94b5e686a97900aa3b37e4b91bc1f527.exe
"C:\Users\Admin\AppData\Local\Temp\94b5e686a97900aa3b37e4b91bc1f527.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:928
- C:\Windows\system32\dllhost.exe
  "C:\Windows\system32\dllhost.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - outlook_office_path
  - outlook_win_path
  PID:1188

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/928-55-0x00000000001B0000-0x00000000001DE000-memory.dmp

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memory/928-56-0x0000000000400000-0x00000000004B3000-memory.dmp

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memory/928-59-0x0000000000270000-0x000000000028C000-memory.dmp

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memory/928-60-0x0000000000270000-0x000000000028C000-memory.dmp

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memory/928-61-0x0000000000290000-0x0000000000291000-memory.dmp

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memory/928-62-0x0000000000270000-0x000000000028C000-memory.dmp

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memory/928-71-0x0000000000270000-0x000000000028C000-memory.dmp

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memory/928-70-0x0000000000400000-0x00000000004B3000-memory.dmp

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memory/1188-65-0x0000000000070000-0x0000000000077000-memory.dmp

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memory/1188-66-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

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memory/1188-67-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

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memory/1188-68-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

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memory/1188-69-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

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memory/1188-64-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

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memory/1188-63-0x0000000000050000-0x0000000000051000-memory.dmp

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memory/1188-72-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

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