rhadamanthys | 8af7fadc968927f6d8a4056e3d15808c254bbee4080985d03d377c361e467357

General

Target

836dfa8ecf57ce861f4cacfe4a85572d.exe
Size

448KB
MD5

836dfa8ecf57ce861f4cacfe4a85572d
SHA1

ab1d13d733ce513953143c64440323b1969925a9
SHA256

8af7fadc968927f6d8a4056e3d15808c254bbee4080985d03d377c361e467357
SHA512

32f5c37ca495589c7d31f79c987f2f420e3ead46f09a008c2a8107ff81523986dc993b47a0425ff96be0e761177edeea79d272982e818c4935f087bb4e86ca98
SSDEEP

6144:qlE8DIpjK28t4sL4wlp3z/pSZ+pDKpf9EkQbKxVK+PXItNOapG8RuzRiRh3Zc:SEpj7sLLv/cgu4VGn6OaM+ucj

Score

10^/10

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 2 IoCs

resource	yara_rule
behavioral2/memory/2028-134-0x00000000024A0000-0x00000000028A0000-memory.dmp	family_rhadamanthys
behavioral2/memory/2028-135-0x00000000024A0000-0x00000000028A0000-memory.dmp	family_rhadamanthys

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 2028 created 3128	2028	836dfa8ecf57ce861f4cacfe4a85572d.exe	19

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	certreq.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	certreq.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	certreq.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2028	836dfa8ecf57ce861f4cacfe4a85572d.exe
2028	836dfa8ecf57ce861f4cacfe4a85572d.exe
2028	836dfa8ecf57ce861f4cacfe4a85572d.exe
2028	836dfa8ecf57ce861f4cacfe4a85572d.exe
4060	certreq.exe
4060	certreq.exe
4060	certreq.exe
4060	certreq.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeManageVolumePrivilege	1036	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 4060	2028	836dfa8ecf57ce861f4cacfe4a85572d.exe	92
PID 2028 wrote to memory of 4060	2028	836dfa8ecf57ce861f4cacfe4a85572d.exe	92
PID 2028 wrote to memory of 4060	2028	836dfa8ecf57ce861f4cacfe4a85572d.exe	92
PID 2028 wrote to memory of 4060	2028	836dfa8ecf57ce861f4cacfe4a85572d.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3128
- C:\Users\Admin\AppData\Local\Temp\836dfa8ecf57ce861f4cacfe4a85572d.exe
  "C:\Users\Admin\AppData\Local\Temp\836dfa8ecf57ce861f4cacfe4a85572d.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2028
- C:\Windows\system32\certreq.exe
  "C:\Windows\system32\certreq.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - outlook_office_path
  - outlook_win_path
  PID:4060

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:4872

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm

Filesize
16KB

MD5
38b7cef798b39f0f7ff5e073603fa1ad

SHA1
f89c08cc86f589ba8a542b9d3b1f7864684f9e55

SHA256
81bb97d413b76df8173baee98bf990847612059dd073f8e9e902dd52a44b2012

SHA512
09ac307714797f009b4961a1cc19ed62a30653fa758598fab568ab7ab073a587aa9508c6135299d9d180cd43bee609363b0181eaca4f820457604343086297b5

Download Submit
memory/1036-196-0x0000015630F00000-0x0000015630F01000-memory.dmp

Filesize
4KB

Download
memory/1036-192-0x0000015630F00000-0x0000015630F01000-memory.dmp

Filesize
4KB

Download
memory/1036-174-0x0000015628940000-0x0000015628950000-memory.dmp

Filesize
64KB

Download
memory/1036-190-0x0000015630EE0000-0x0000015630EE1000-memory.dmp

Filesize
4KB

Download
memory/1036-191-0x0000015630F00000-0x0000015630F01000-memory.dmp

Filesize
4KB

Download
memory/1036-158-0x0000015628840000-0x0000015628850000-memory.dmp

Filesize
64KB

Download
memory/1036-193-0x0000015630F00000-0x0000015630F01000-memory.dmp

Filesize
4KB

Download
memory/1036-195-0x0000015630F00000-0x0000015630F01000-memory.dmp

Filesize
4KB

Download
memory/1036-194-0x0000015630F00000-0x0000015630F01000-memory.dmp

Filesize
4KB

Download
memory/2028-133-0x0000000000640000-0x0000000000647000-memory.dmp

Filesize
28KB

Download
memory/2028-135-0x00000000024A0000-0x00000000028A0000-memory.dmp

Filesize
4.0MB

Download
memory/2028-143-0x0000000003200000-0x0000000003236000-memory.dmp

Filesize
216KB

Download
memory/2028-137-0x0000000003200000-0x0000000003236000-memory.dmp

Filesize
216KB

Download
memory/2028-134-0x00000000024A0000-0x00000000028A0000-memory.dmp

Filesize
4.0MB

Download
memory/4060-145-0x000001DA82F30000-0x000001DA82F37000-memory.dmp

Filesize
28KB

Download
memory/4060-155-0x00007FF4EB030000-0x00007FF4EB15D000-memory.dmp

Filesize
1.2MB

Download
memory/4060-156-0x00007FF4EB030000-0x00007FF4EB15D000-memory.dmp

Filesize
1.2MB

Download
memory/4060-157-0x00007FF4EB030000-0x00007FF4EB15D000-memory.dmp

Filesize
1.2MB

Download
memory/4060-154-0x00007FF4EB030000-0x00007FF4EB15D000-memory.dmp

Filesize
1.2MB

Download
memory/4060-153-0x00007FF4EB030000-0x00007FF4EB15D000-memory.dmp

Filesize
1.2MB

Download
memory/4060-152-0x00007FF4EB030000-0x00007FF4EB15D000-memory.dmp

Filesize
1.2MB

Download
memory/4060-150-0x00007FF4EB030000-0x00007FF4EB15D000-memory.dmp

Filesize
1.2MB

Download
memory/4060-149-0x00007FF4EB030000-0x00007FF4EB15D000-memory.dmp

Filesize
1.2MB

Download
memory/4060-148-0x00007FF4EB030000-0x00007FF4EB15D000-memory.dmp

Filesize
1.2MB

Download
memory/4060-146-0x00007FF4EB030000-0x00007FF4EB15D000-memory.dmp

Filesize
1.2MB

Download
memory/4060-147-0x00007FF4EB030000-0x00007FF4EB15D000-memory.dmp

Filesize
1.2MB

Download
memory/4060-144-0x000001DA82DD0000-0x000001DA82DD3000-memory.dmp

Filesize
12KB

Download
memory/4060-136-0x000001DA82DD0000-0x000001DA82DD3000-memory.dmp

Filesize
12KB

Download

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