Analysis Overview
SHA256
828bdd40bebbb1ff9d1524b539a9f592619b4be68e65e6c70a0579f364fb9a49
Threat Level: Known bad
The file 828bdd40bebbb1ff9d1524b539a9f592619b4be68e65e6c70a0579f364fb9a49 was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
Detect rhadamanthys stealer shellcode
Rhadamanthys
Downloads MZ/PE file
Executes dropped EXE
Accesses Microsoft Outlook profiles
Program crash
Suspicious use of AdjustPrivilegeToken
outlook_win_path
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
Uses Task Scheduler COM API
outlook_office_path
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Checks SCSI registry key(s)
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-04-15 08:35
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-04-15 08:35
Reported
2023-04-15 08:37
Platform
win10v2004-20230220-en
Max time kernel
151s
Max time network
145s
Command Line
Signatures
Detect rhadamanthys stealer shellcode
| Description | Indicator | Process | Target |
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Rhadamanthys
SmokeLoader
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4C2C.exe | N/A |
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\12.0\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\4C2C.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\828bdd40bebbb1ff9d1524b539a9f592619b4be68e65e6c70a0579f364fb9a49.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\828bdd40bebbb1ff9d1524b539a9f592619b4be68e65e6c70a0579f364fb9a49.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\828bdd40bebbb1ff9d1524b539a9f592619b4be68e65e6c70a0579f364fb9a49.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\system32\dllhost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\system32\dllhost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\828bdd40bebbb1ff9d1524b539a9f592619b4be68e65e6c70a0579f364fb9a49.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\828bdd40bebbb1ff9d1524b539a9f592619b4be68e65e6c70a0579f364fb9a49.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\828bdd40bebbb1ff9d1524b539a9f592619b4be68e65e6c70a0579f364fb9a49.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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 768 wrote to memory of 1528 | N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4C2C.exe |
| PID 768 wrote to memory of 1528 | N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4C2C.exe |
| PID 768 wrote to memory of 1528 | N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4C2C.exe |
| PID 1528 wrote to memory of 4772 | N/A | C:\Users\Admin\AppData\Local\Temp\4C2C.exe | C:\Windows\system32\dllhost.exe |
| PID 1528 wrote to memory of 4772 | N/A | C:\Users\Admin\AppData\Local\Temp\4C2C.exe | C:\Windows\system32\dllhost.exe |
| PID 1528 wrote to memory of 4772 | N/A | C:\Users\Admin\AppData\Local\Temp\4C2C.exe | C:\Windows\system32\dllhost.exe |
| PID 1528 wrote to memory of 4772 | N/A | C:\Users\Admin\AppData\Local\Temp\4C2C.exe | C:\Windows\system32\dllhost.exe |
Uses Task Scheduler COM API
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\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-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook | C:\Windows\system32\dllhost.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\828bdd40bebbb1ff9d1524b539a9f592619b4be68e65e6c70a0579f364fb9a49.exe
"C:\Users\Admin\AppData\Local\Temp\828bdd40bebbb1ff9d1524b539a9f592619b4be68e65e6c70a0579f364fb9a49.exe"
C:\Users\Admin\AppData\Local\Temp\4C2C.exe
C:\Users\Admin\AppData\Local\Temp\4C2C.exe
C:\Windows\system32\dllhost.exe
"C:\Windows\system32\dllhost.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1528 -ip 1528
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 696
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 33.146.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | aapu.at | udp |
| KR | 211.171.233.129:80 | aapu.at | tcp |
| US | 8.8.8.8:53 | 129.233.171.211.in-addr.arpa | udp |
| KR | 211.171.233.129:80 | aapu.at | tcp |
| KR | 211.171.233.129:80 | aapu.at | tcp |
| KR | 211.171.233.129:80 | aapu.at | tcp |
| US | 40.77.2.164:443 | tcp | |
| KR | 211.171.233.129:80 | aapu.at | tcp |
| KR | 211.171.233.129:80 | aapu.at | tcp |
| KR | 211.171.233.129:80 | aapu.at | tcp |
| KR | 211.171.233.129:80 | aapu.at | tcp |
| KR | 211.171.233.129:80 | aapu.at | tcp |
| US | 13.89.179.9:443 | tcp | |
| KR | 211.171.233.129:80 | aapu.at | tcp |
| KR | 211.171.233.129:80 | aapu.at | tcp |
| KR | 211.171.233.129:80 | aapu.at | tcp |
| KR | 211.171.233.129:80 | aapu.at | tcp |
| KR | 211.171.233.129:80 | aapu.at | tcp |
| KR | 211.171.233.129:80 | aapu.at | tcp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| IT | 179.43.155.247:80 | 179.43.155.247 | tcp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| KR | 211.171.233.129:80 | aapu.at | tcp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.8.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 247.155.43.179.in-addr.arpa | udp |
| US | 8.8.8.8:53 | aapu.at | udp |
| KR | 211.171.233.126:80 | aapu.at | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 93.184.220.29:80 | tcp | |
| KR | 211.171.233.126:80 | aapu.at | tcp |
| US | 8.8.8.8:53 | 126.233.171.211.in-addr.arpa | udp |
| KR | 211.171.233.126:80 | aapu.at | tcp |
| KR | 211.171.233.126:80 | 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 | 211.171.233.126:80 | aapu.at | tcp |
| KR | 211.171.233.126:80 | aapu.at | tcp |
| KR | 211.171.233.126:80 | aapu.at | tcp |
| KR | 211.171.233.126:80 | aapu.at | tcp |
| KR | 211.171.233.126:80 | aapu.at | tcp |
| KR | 211.171.233.126:80 | aapu.at | tcp |
| KR | 211.171.233.126:80 | aapu.at | tcp |
| KR | 211.171.233.126:80 | aapu.at | tcp |
| KR | 211.171.233.126:80 | 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 | 211.171.233.126:80 | aapu.at | tcp |
| KR | 211.171.233.126:80 | aapu.at | tcp |
| PA | 179.43.142.201:80 | 179.43.142.201 | tcp |
| KR | 211.171.233.126:80 | aapu.at | tcp |
| KR | 211.171.233.126:80 | aapu.at | tcp |
Files
memory/2652-134-0x00000000008C0000-0x00000000008C9000-memory.dmp
memory/768-135-0x0000000000C70000-0x0000000000C86000-memory.dmp
memory/2652-136-0x0000000000400000-0x00000000007FD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\4C2C.exe
| MD5 | c7013845630a13cd1161a9bce5482f67 |
| SHA1 | 8f65a5509972092bb3087ac120c2cc741a41ea0b |
| SHA256 | 076a0fb7ebf20a100ef850835a9cfe79d33e6dc797b78d267f92982ec75807f3 |
| SHA512 | b4b6513c970a32b8459b0576ed81cf0f59c833ec9f311fd79a59a787ad9d514562f41916014e9a42f6e2a24ef6b458ab268727b5c906191c98bf758b7196dde5 |
C:\Users\Admin\AppData\Local\Temp\4C2C.exe
| MD5 | c7013845630a13cd1161a9bce5482f67 |
| SHA1 | 8f65a5509972092bb3087ac120c2cc741a41ea0b |
| SHA256 | 076a0fb7ebf20a100ef850835a9cfe79d33e6dc797b78d267f92982ec75807f3 |
| SHA512 | b4b6513c970a32b8459b0576ed81cf0f59c833ec9f311fd79a59a787ad9d514562f41916014e9a42f6e2a24ef6b458ab268727b5c906191c98bf758b7196dde5 |
memory/1528-147-0x00000000009B0000-0x00000000009DE000-memory.dmp
memory/1528-148-0x0000000000400000-0x000000000080F000-memory.dmp
memory/1528-151-0x0000000002480000-0x000000000249C000-memory.dmp
memory/1528-152-0x0000000002480000-0x000000000249C000-memory.dmp
memory/1528-153-0x0000000000840000-0x0000000000842000-memory.dmp
memory/1528-154-0x0000000002480000-0x000000000249C000-memory.dmp
memory/4772-155-0x00000201ECDB0000-0x00000201ECDB1000-memory.dmp
memory/1528-156-0x0000000000840000-0x0000000000843000-memory.dmp
memory/4772-158-0x00007FF45CF10000-0x00007FF45D00A000-memory.dmp
memory/4772-157-0x00000201ED0C0000-0x00000201ED0C7000-memory.dmp
memory/4772-159-0x00007FF45CF10000-0x00007FF45D00A000-memory.dmp
memory/1528-160-0x0000000000400000-0x000000000080F000-memory.dmp
memory/1528-161-0x0000000002480000-0x000000000249C000-memory.dmp
memory/4772-162-0x00007FF45CF10000-0x00007FF45D00A000-memory.dmp
memory/4772-163-0x00007FF45CF10000-0x00007FF45D00A000-memory.dmp
memory/4772-164-0x00007FF45CF10000-0x00007FF45D00A000-memory.dmp
memory/4772-165-0x00007FF45CF10000-0x00007FF45D00A000-memory.dmp