Malware Analysis Report

2025-08-10 12:29

Sample ID 230415-ttf2qaeg47
Target 26f4bb629b1edcf4164fe8dbea1fb6c9ee2c7f0ef4cb2febd8a38fc5205fb278
SHA256 26f4bb629b1edcf4164fe8dbea1fb6c9ee2c7f0ef4cb2febd8a38fc5205fb278
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

26f4bb629b1edcf4164fe8dbea1fb6c9ee2c7f0ef4cb2febd8a38fc5205fb278

Threat Level: Known bad

The file 26f4bb629b1edcf4164fe8dbea1fb6c9ee2c7f0ef4cb2febd8a38fc5205fb278 was found to be: Known bad.

Malicious Activity Summary

rhadamanthys smokeloader pub4 backdoor collection stealer trojan

Detect rhadamanthys stealer shellcode

SmokeLoader

Rhadamanthys

Downloads MZ/PE file

Executes dropped EXE

Accesses Microsoft Outlook profiles

Program crash

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

outlook_win_path

Checks SCSI registry key(s)

Uses Task Scheduler COM API

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-15 16:20

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-15 16:20

Reported

2023-04-15 16:23

Platform

win10v2004-20230220-en

Max time kernel

151s

Max time network

110s

Command Line

"C:\Users\Admin\AppData\Local\Temp\26f4bb629b1edcf4164fe8dbea1fb6c9ee2c7f0ef4cb2febd8a38fc5205fb278.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\979C.exe N/A

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\979C.exe

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\26f4bb629b1edcf4164fe8dbea1fb6c9ee2c7f0ef4cb2febd8a38fc5205fb278.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\26f4bb629b1edcf4164fe8dbea1fb6c9ee2c7f0ef4cb2febd8a38fc5205fb278.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\26f4bb629b1edcf4164fe8dbea1fb6c9ee2c7f0ef4cb2febd8a38fc5205fb278.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\26f4bb629b1edcf4164fe8dbea1fb6c9ee2c7f0ef4cb2febd8a38fc5205fb278.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\26f4bb629b1edcf4164fe8dbea1fb6c9ee2c7f0ef4cb2febd8a38fc5205fb278.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\26f4bb629b1edcf4164fe8dbea1fb6c9ee2c7f0ef4cb2febd8a38fc5205fb278.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
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 3120 wrote to memory of 3660 N/A N/A C:\Users\Admin\AppData\Local\Temp\979C.exe
PID 3120 wrote to memory of 3660 N/A N/A C:\Users\Admin\AppData\Local\Temp\979C.exe
PID 3120 wrote to memory of 3660 N/A N/A C:\Users\Admin\AppData\Local\Temp\979C.exe
PID 3660 wrote to memory of 4356 N/A C:\Users\Admin\AppData\Local\Temp\979C.exe C:\Windows\system32\dllhost.exe
PID 3660 wrote to memory of 4356 N/A C:\Users\Admin\AppData\Local\Temp\979C.exe C:\Windows\system32\dllhost.exe
PID 3660 wrote to memory of 4356 N/A C:\Users\Admin\AppData\Local\Temp\979C.exe C:\Windows\system32\dllhost.exe
PID 3660 wrote to memory of 4356 N/A C:\Users\Admin\AppData\Local\Temp\979C.exe C:\Windows\system32\dllhost.exe

Uses Task Scheduler COM API

persistence

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\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-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\26f4bb629b1edcf4164fe8dbea1fb6c9ee2c7f0ef4cb2febd8a38fc5205fb278.exe

"C:\Users\Admin\AppData\Local\Temp\26f4bb629b1edcf4164fe8dbea1fb6c9ee2c7f0ef4cb2febd8a38fc5205fb278.exe"

C:\Users\Admin\AppData\Local\Temp\979C.exe

C:\Users\Admin\AppData\Local\Temp\979C.exe

C:\Windows\system32\dllhost.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3660 -ip 3660

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 696

Network

Country Destination Domain Proto
US 8.8.8.8:53 123.108.74.40.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 104.208.16.90:443 tcp
US 8.8.8.8:53 aapu.at udp
KR 175.120.254.9:80 aapu.at tcp
US 8.8.8.8:53 9.254.120.175.in-addr.arpa udp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
IT 179.43.155.247:80 179.43.155.247 tcp
KR 175.120.254.9:80 aapu.at tcp
US 8.8.8.8:53 247.155.43.179.in-addr.arpa udp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
US 8.8.8.8:53 62.13.109.52.in-addr.arpa udp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
US 13.107.4.50:80 tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
PA 179.43.142.201:80 catalog.s.download.windowsupdate.com tcp
KR 175.120.254.9:80 aapu.at tcp
US 8.8.8.8:53 201.142.43.179.in-addr.arpa udp
KR 175.120.254.9:80 aapu.at tcp
KR 175.120.254.9:80 aapu.at tcp
PA 179.43.142.201:80 179.43.142.201 tcp
KR 175.120.254.9:80 aapu.at tcp

Files

memory/4692-134-0x0000000000880000-0x0000000000889000-memory.dmp

memory/3120-135-0x00000000030C0000-0x00000000030D6000-memory.dmp

memory/4692-136-0x0000000000400000-0x00000000007FD000-memory.dmp

memory/3120-142-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-143-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-144-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-145-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-146-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-147-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-148-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-149-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-150-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-151-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-152-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-153-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-154-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-155-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-156-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-157-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-158-0x00000000081F0000-0x00000000081F2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\979C.exe

MD5 f7cb5d405f6785a1064662caef14c6c7
SHA1 38b3b8be69a18c727958fb18b2c4e53b93105f84
SHA256 cedea09dd4ba32091c16cb187e4291aa53a5e5580701b8706fb136a78b72edd9
SHA512 62fa320ca229738d44d312b919fcadaa275fb0ffca74656a86d907ed9cddfaae7fe57de893c3647e61c53e207bc4737e846c4b2dbcf644255d89593b8870a638

C:\Users\Admin\AppData\Local\Temp\979C.exe

MD5 f7cb5d405f6785a1064662caef14c6c7
SHA1 38b3b8be69a18c727958fb18b2c4e53b93105f84
SHA256 cedea09dd4ba32091c16cb187e4291aa53a5e5580701b8706fb136a78b72edd9
SHA512 62fa320ca229738d44d312b919fcadaa275fb0ffca74656a86d907ed9cddfaae7fe57de893c3647e61c53e207bc4737e846c4b2dbcf644255d89593b8870a638

memory/3660-164-0x0000000000A60000-0x0000000000A8E000-memory.dmp

memory/3660-165-0x0000000000400000-0x000000000080F000-memory.dmp

memory/3660-168-0x0000000000A90000-0x0000000000AAC000-memory.dmp

memory/3660-169-0x0000000000A90000-0x0000000000AAC000-memory.dmp

memory/3660-170-0x0000000000AB0000-0x0000000000ACA000-memory.dmp

memory/3660-171-0x0000000000A90000-0x0000000000AAC000-memory.dmp

memory/4356-172-0x000001CF0EA00000-0x000001CF0EA01000-memory.dmp

memory/3660-173-0x0000000000AB0000-0x0000000000ACA000-memory.dmp

memory/4356-174-0x000001CF0EA50000-0x000001CF0EA57000-memory.dmp

memory/4356-175-0x00007FF41E420000-0x00007FF41E51A000-memory.dmp

memory/4356-176-0x00007FF41E420000-0x00007FF41E51A000-memory.dmp

memory/3660-177-0x0000000000400000-0x000000000080F000-memory.dmp

memory/3660-178-0x0000000000A90000-0x0000000000AAC000-memory.dmp

memory/4356-179-0x00007FF41E420000-0x00007FF41E51A000-memory.dmp

memory/4356-180-0x00007FF41E420000-0x00007FF41E51A000-memory.dmp

memory/4356-181-0x00007FF41E420000-0x00007FF41E51A000-memory.dmp

memory/4356-182-0x00007FF41E420000-0x00007FF41E51A000-memory.dmp

memory/4356-183-0x00007FF41E420000-0x00007FF41E51A000-memory.dmp

memory/3120-184-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-185-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-186-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-187-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-188-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-189-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-190-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-192-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-191-0x00000000089B0000-0x00000000089B2000-memory.dmp

memory/3120-193-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-194-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-195-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-196-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-197-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-198-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-199-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-200-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-201-0x00000000089B0000-0x00000000089B2000-memory.dmp

memory/3120-202-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-203-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-204-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-205-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-206-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-207-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-208-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-209-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-210-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-211-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-212-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-213-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-214-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-215-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-216-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-217-0x0000000003240000-0x0000000003250000-memory.dmp

memory/3120-218-0x0000000003330000-0x0000000003332000-memory.dmp