Malware Analysis Report

2025-08-11 06:19

Sample ID 230415-mjtfqsfc81
Target 1c98e7c89524a15ae3daff5b91c58b37b2f7d8e62b43b99b1985fadea9460efb
SHA256 1c98e7c89524a15ae3daff5b91c58b37b2f7d8e62b43b99b1985fadea9460efb
Tags
rhadamanthys smokeloader pub4 backdoor collection stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

1c98e7c89524a15ae3daff5b91c58b37b2f7d8e62b43b99b1985fadea9460efb

Threat Level: Known bad

The file 1c98e7c89524a15ae3daff5b91c58b37b2f7d8e62b43b99b1985fadea9460efb was found to be: Known bad.

Malicious Activity Summary

rhadamanthys smokeloader pub4 backdoor collection stealer trojan

SmokeLoader

Rhadamanthys

Detect rhadamanthys stealer shellcode

Downloads MZ/PE file

Executes dropped EXE

Deletes itself

Accesses Microsoft Outlook profiles

Checks SCSI registry key(s)

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

outlook_win_path

Uses Task Scheduler COM API

Suspicious behavior: MapViewOfSection

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-15 10:30

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-15 10:30

Reported

2023-04-15 10:32

Platform

win10-20230220-en

Max time kernel

150s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1c98e7c89524a15ae3daff5b91c58b37b2f7d8e62b43b99b1985fadea9460efb.exe"

Signatures

Detect rhadamanthys stealer shellcode

Description Indicator Process Target
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Rhadamanthys

stealer rhadamanthys

SmokeLoader

trojan backdoor smokeloader

Downloads MZ/PE file

Deletes itself

Description Indicator Process Target
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4517.exe N/A

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\1c98e7c89524a15ae3daff5b91c58b37b2f7d8e62b43b99b1985fadea9460efb.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\1c98e7c89524a15ae3daff5b91c58b37b2f7d8e62b43b99b1985fadea9460efb.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\1c98e7c89524a15ae3daff5b91c58b37b2f7d8e62b43b99b1985fadea9460efb.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\system32\dllhost.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\system32\dllhost.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1c98e7c89524a15ae3daff5b91c58b37b2f7d8e62b43b99b1985fadea9460efb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\1c98e7c89524a15ae3daff5b91c58b37b2f7d8e62b43b99b1985fadea9460efb.exe N/A
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Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A N/A N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1c98e7c89524a15ae3daff5b91c58b37b2f7d8e62b43b99b1985fadea9460efb.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3220 wrote to memory of 2616 N/A N/A C:\Users\Admin\AppData\Local\Temp\4517.exe
PID 3220 wrote to memory of 2616 N/A N/A C:\Users\Admin\AppData\Local\Temp\4517.exe
PID 3220 wrote to memory of 2616 N/A N/A C:\Users\Admin\AppData\Local\Temp\4517.exe
PID 2616 wrote to memory of 3744 N/A C:\Users\Admin\AppData\Local\Temp\4517.exe C:\Windows\system32\dllhost.exe
PID 2616 wrote to memory of 3744 N/A C:\Users\Admin\AppData\Local\Temp\4517.exe C:\Windows\system32\dllhost.exe
PID 2616 wrote to memory of 3744 N/A C:\Users\Admin\AppData\Local\Temp\4517.exe C:\Windows\system32\dllhost.exe
PID 2616 wrote to memory of 3744 N/A C:\Users\Admin\AppData\Local\Temp\4517.exe C:\Windows\system32\dllhost.exe

Uses Task Scheduler COM API

persistence

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1c98e7c89524a15ae3daff5b91c58b37b2f7d8e62b43b99b1985fadea9460efb.exe

"C:\Users\Admin\AppData\Local\Temp\1c98e7c89524a15ae3daff5b91c58b37b2f7d8e62b43b99b1985fadea9460efb.exe"

C:\Users\Admin\AppData\Local\Temp\4517.exe

C:\Users\Admin\AppData\Local\Temp\4517.exe

C:\Windows\system32\dllhost.exe

"C:\Windows\system32\dllhost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 aapu.at udp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
US 8.8.8.8:53 118.146.170.187.in-addr.arpa udp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
US 13.89.178.27:443 tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
IT 179.43.155.247:80 179.43.155.247 tcp
MX 187.170.146.118:80 aapu.at tcp
US 8.8.8.8:53 247.155.43.179.in-addr.arpa udp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
US 93.184.221.240:80 tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
MX 187.170.146.118:80 aapu.at tcp
US 8.8.8.8:53 233.141.123.20.in-addr.arpa udp
PA 179.43.142.201:80 catalog.s.download.windowsupdate.com tcp
US 8.8.8.8:53 201.142.43.179.in-addr.arpa udp
PA 179.43.142.201:80 179.43.142.201 tcp

Files

memory/3128-122-0x0000000000A70000-0x0000000000A79000-memory.dmp

memory/3220-123-0x00000000008F0000-0x0000000000906000-memory.dmp

memory/3128-124-0x0000000000400000-0x00000000007FC000-memory.dmp

memory/3220-132-0x0000000000940000-0x0000000000950000-memory.dmp

memory/3220-134-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-137-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-140-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-141-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-139-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-142-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-145-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-148-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-149-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-150-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-151-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-152-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-155-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-156-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-157-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-158-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-159-0x0000000000A20000-0x0000000000A30000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\4517.exe

MD5 750b48b4872b170f1cea215e6a111123
SHA1 7bfc650a103b29f2a554a1a5388b2cfd36367147
SHA256 5fd11f43ba0a0a3533364d69e9d93b3e94bab872dcec35ddd961bcb4b5daeb8c
SHA512 37cb5b6fc1bec2643501dd0eadc4badff9977983fe5cda8d18eefad27d9e02963b3f67fb8c0837833a1261fe3090d5ad9610ec63fcce4f5d733b51169da86520

C:\Users\Admin\AppData\Local\Temp\4517.exe

MD5 750b48b4872b170f1cea215e6a111123
SHA1 7bfc650a103b29f2a554a1a5388b2cfd36367147
SHA256 5fd11f43ba0a0a3533364d69e9d93b3e94bab872dcec35ddd961bcb4b5daeb8c
SHA512 37cb5b6fc1bec2643501dd0eadc4badff9977983fe5cda8d18eefad27d9e02963b3f67fb8c0837833a1261fe3090d5ad9610ec63fcce4f5d733b51169da86520

memory/2616-165-0x0000000002400000-0x000000000242E000-memory.dmp

memory/2616-166-0x0000000000400000-0x000000000080F000-memory.dmp

memory/2616-169-0x0000000002570000-0x000000000258C000-memory.dmp

memory/2616-170-0x0000000002570000-0x000000000258C000-memory.dmp

memory/2616-171-0x0000000000A50000-0x0000000000A52000-memory.dmp

memory/2616-172-0x0000000002570000-0x000000000258C000-memory.dmp

memory/3744-173-0x000001F9B19F0000-0x000001F9B19F1000-memory.dmp

memory/3744-175-0x000001F9B19A0000-0x000001F9B19A7000-memory.dmp

memory/2616-174-0x0000000000A50000-0x0000000000A53000-memory.dmp

memory/3744-178-0x00007FF667DC0000-0x00007FF667EBA000-memory.dmp

memory/3744-179-0x00007FF667DC0000-0x00007FF667EBA000-memory.dmp

memory/2616-180-0x0000000000400000-0x000000000080F000-memory.dmp

memory/2616-181-0x0000000002570000-0x000000000258C000-memory.dmp

memory/3744-182-0x00007FF667DC0000-0x00007FF667EBA000-memory.dmp

memory/3744-183-0x00007FF667DC0000-0x00007FF667EBA000-memory.dmp

memory/3744-184-0x00007FF667DC0000-0x00007FF667EBA000-memory.dmp

memory/3744-185-0x00007FF667DC0000-0x00007FF667EBA000-memory.dmp

memory/3744-186-0x00007FF667DC0000-0x00007FF667EBA000-memory.dmp

memory/3220-187-0x0000000000940000-0x0000000000950000-memory.dmp

memory/3220-188-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-189-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-190-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-191-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-192-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-193-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-196-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-199-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-200-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-202-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-201-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-203-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-206-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-207-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-208-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-209-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-210-0x0000000002800000-0x000000000280C000-memory.dmp

memory/3220-211-0x0000000000940000-0x0000000000950000-memory.dmp

memory/3220-212-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-215-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-216-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-217-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-219-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-218-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-222-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-225-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-226-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-227-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-228-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-229-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-230-0x0000000002800000-0x000000000280C000-memory.dmp

memory/3220-232-0x0000000002800000-0x0000000002810000-memory.dmp

memory/3220-233-0x0000000002800000-0x0000000002810000-memory.dmp

memory/3220-235-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-236-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/3220-237-0x0000000000A10000-0x0000000000A20000-memory.dmp