Malware Analysis Report

2025-08-10 12:29

Sample ID 230415-stqeqaee47
Target bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c
SHA256 bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c
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

bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c

Threat Level: Known bad

The file bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c was found to be: Known bad.

Malicious Activity Summary

rhadamanthys smokeloader pub4 backdoor collection stealer trojan

Detect rhadamanthys stealer shellcode

Rhadamanthys

SmokeLoader

Downloads MZ/PE file

Executes dropped EXE

Deletes itself

Accesses Microsoft Outlook profiles

Suspicious behavior: MapViewOfSection

Uses Task Scheduler COM API

Suspicious use of WriteProcessMemory

Checks processor information in registry

outlook_office_path

outlook_win_path

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-15 15:25

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-15 15:25

Reported

2023-04-15 15:27

Platform

win10-20230220-en

Max time kernel

151s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c.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\BC2C.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\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
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

Checks SCSI registry key(s)

Description Indicator Process Target
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c.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\bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c.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\bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c.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
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 3176 wrote to memory of 2672 N/A N/A C:\Users\Admin\AppData\Local\Temp\BC2C.exe
PID 3176 wrote to memory of 2672 N/A N/A C:\Users\Admin\AppData\Local\Temp\BC2C.exe
PID 3176 wrote to memory of 2672 N/A N/A C:\Users\Admin\AppData\Local\Temp\BC2C.exe
PID 2672 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\BC2C.exe C:\Windows\system32\dllhost.exe
PID 2672 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\BC2C.exe C:\Windows\system32\dllhost.exe
PID 2672 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\BC2C.exe C:\Windows\system32\dllhost.exe
PID 2672 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\BC2C.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\bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c.exe

"C:\Users\Admin\AppData\Local\Temp\bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c.exe"

C:\Users\Admin\AppData\Local\Temp\BC2C.exe

C:\Users\Admin\AppData\Local\Temp\BC2C.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
KR 211.53.230.67:80 aapu.at tcp
US 8.8.8.8:53 67.230.53.211.in-addr.arpa udp
KR 211.53.230.67:80 aapu.at tcp
US 13.89.179.10:443 tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
US 13.107.4.50:80 tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
US 8.8.8.8:53 86.8.109.52.in-addr.arpa udp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
IT 179.43.155.247:80 179.43.155.247 tcp
KR 211.53.230.67:80 aapu.at tcp
US 8.8.8.8:53 247.155.43.179.in-addr.arpa udp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
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
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
PA 179.43.142.201:80 179.43.142.201 tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp
KR 211.53.230.67:80 aapu.at tcp

Files

memory/4064-119-0x0000000000960000-0x0000000000969000-memory.dmp

memory/4064-121-0x0000000000400000-0x00000000007FD000-memory.dmp

memory/3176-120-0x0000000000B80000-0x0000000000B96000-memory.dmp

memory/3176-129-0x0000000000F10000-0x0000000000F20000-memory.dmp

memory/3176-131-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-134-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-136-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-137-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-138-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-139-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-142-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-145-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-146-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-147-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-148-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-149-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-152-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-153-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-154-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-155-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-156-0x00000000010F0000-0x0000000001100000-memory.dmp

memory/3176-157-0x0000000000F10000-0x0000000000F20000-memory.dmp

memory/3176-158-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-159-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-160-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-162-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-161-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-163-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-166-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-169-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-170-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-171-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-172-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-173-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-176-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-177-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-178-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-179-0x00000000010E0000-0x00000000010F0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\BC2C.exe

MD5 be0ef2a8aa27379c64c67ada3d5a1773
SHA1 ea4b5852c0df0022e33fe82bc350a3e4b8ce94bb
SHA256 e0e712f91cb159997cc85b98b14078b1344bc591a56edab6464e54bff9f8324f
SHA512 a692e4fbb5f77b3a9235c861478ee199c4c347083b3ee1297279d66bce8873f114c11b3ee91e9b66aa806997d075848a0179d67361727aaa80fc452c3772febd

C:\Users\Admin\AppData\Local\Temp\BC2C.exe

MD5 be0ef2a8aa27379c64c67ada3d5a1773
SHA1 ea4b5852c0df0022e33fe82bc350a3e4b8ce94bb
SHA256 e0e712f91cb159997cc85b98b14078b1344bc591a56edab6464e54bff9f8324f
SHA512 a692e4fbb5f77b3a9235c861478ee199c4c347083b3ee1297279d66bce8873f114c11b3ee91e9b66aa806997d075848a0179d67361727aaa80fc452c3772febd

memory/2672-185-0x0000000000890000-0x00000000008BE000-memory.dmp

memory/2672-186-0x0000000000400000-0x000000000080F000-memory.dmp

memory/2672-189-0x0000000000860000-0x000000000087C000-memory.dmp

memory/2672-191-0x0000000000900000-0x0000000000902000-memory.dmp

memory/2672-190-0x0000000000860000-0x000000000087C000-memory.dmp

memory/2672-192-0x0000000000860000-0x000000000087C000-memory.dmp

memory/3964-193-0x000001B9326D0000-0x000001B9326D1000-memory.dmp

memory/2672-194-0x0000000000900000-0x0000000000903000-memory.dmp

memory/3964-195-0x000001B932680000-0x000001B932687000-memory.dmp

memory/3964-196-0x00007FF7009F0000-0x00007FF700AEA000-memory.dmp

memory/3964-199-0x00007FF7009F0000-0x00007FF700AEA000-memory.dmp

memory/2672-200-0x0000000000400000-0x000000000080F000-memory.dmp

memory/2672-201-0x0000000000860000-0x000000000087C000-memory.dmp

memory/3964-202-0x00007FF7009F0000-0x00007FF700AEA000-memory.dmp

memory/3964-203-0x00007FF7009F0000-0x00007FF700AEA000-memory.dmp

memory/3964-204-0x00007FF7009F0000-0x00007FF700AEA000-memory.dmp

memory/3176-205-0x0000000000F10000-0x0000000000F20000-memory.dmp

memory/3176-206-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-209-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-210-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-211-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-212-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-213-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-214-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-217-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-218-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-219-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-220-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-221-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-224-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-225-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-226-0x00000000010E0000-0x00000000010F0000-memory.dmp

memory/3176-228-0x0000000004CE0000-0x0000000004CED000-memory.dmp

memory/3964-229-0x00007FF7009F0000-0x00007FF700AEA000-memory.dmp

memory/3964-230-0x00007FF7009F0000-0x00007FF700AEA000-memory.dmp

memory/3176-256-0x0000000004CE0000-0x0000000004CED000-memory.dmp