Analysis Overview
SHA256
4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda
Threat Level: Known bad
The file 4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda 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 behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
outlook_office_path
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
Suspicious use of AdjustPrivilegeToken
outlook_win_path
Uses Task Scheduler COM API
Suspicious behavior: MapViewOfSection
Checks SCSI registry key(s)
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-04-15 11:10
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-04-15 11:10
Reported
2023-04-15 11:12
Platform
win10v2004-20230220-en
Max time kernel
150s
Max time network
126s
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\E13D.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\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 |
| 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 |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\E13D.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.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\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.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\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.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 2600 wrote to memory of 1624 | N/A | N/A | C:\Users\Admin\AppData\Local\Temp\E13D.exe |
| PID 2600 wrote to memory of 1624 | N/A | N/A | C:\Users\Admin\AppData\Local\Temp\E13D.exe |
| PID 2600 wrote to memory of 1624 | N/A | N/A | C:\Users\Admin\AppData\Local\Temp\E13D.exe |
| PID 1624 wrote to memory of 1332 | N/A | C:\Users\Admin\AppData\Local\Temp\E13D.exe | C:\Windows\system32\dllhost.exe |
| PID 1624 wrote to memory of 1332 | N/A | C:\Users\Admin\AppData\Local\Temp\E13D.exe | C:\Windows\system32\dllhost.exe |
| PID 1624 wrote to memory of 1332 | N/A | C:\Users\Admin\AppData\Local\Temp\E13D.exe | C:\Windows\system32\dllhost.exe |
| PID 1624 wrote to memory of 1332 | N/A | C:\Users\Admin\AppData\Local\Temp\E13D.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\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe
"C:\Users\Admin\AppData\Local\Temp\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe"
C:\Users\Admin\AppData\Local\Temp\E13D.exe
C:\Users\Admin\AppData\Local\Temp\E13D.exe
C:\Windows\system32\dllhost.exe
"C:\Windows\system32\dllhost.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1624 -ip 1624
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 708
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | aapu.at | udp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| US | 8.8.8.8:53 | 200.162.158.95.in-addr.arpa | udp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| IT | 179.43.155.247:80 | 179.43.155.247 | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| US | 8.8.8.8:53 | 247.155.43.179.in-addr.arpa | udp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| US | 52.152.108.96:443 | tcp | |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| BG | 95.158.162.200:80 | aapu.at | tcp |
| FR | 40.79.141.154:443 | tcp | |
| US | 13.107.4.50:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | tcp | |
| PA | 179.43.142.201:80 | catalog.s.download.windowsupdate.com | tcp |
| US | 8.8.8.8:53 | 44.8.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 201.142.43.179.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| PA | 179.43.142.201:80 | 179.43.142.201 | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp |
Files
memory/4300-134-0x0000000000980000-0x0000000000989000-memory.dmp
memory/2600-135-0x00000000025D0000-0x00000000025E6000-memory.dmp
memory/4300-136-0x0000000000400000-0x00000000007FD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\E13D.exe
| MD5 | 9950feec180e9981d35fe2dd2241efdc |
| SHA1 | 939ca7f9084b5a28790f56cec45ce5c2006f8ee0 |
| SHA256 | d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54 |
| SHA512 | 0181a6e3157e47e9a1f75853de96d1deafffe38c80231909e2870758ee4f071c784adcf0031a17a9c4f0f0fc2df32b2cb1159cd0056334c4d281466324dcf36f |
C:\Users\Admin\AppData\Local\Temp\E13D.exe
| MD5 | 9950feec180e9981d35fe2dd2241efdc |
| SHA1 | 939ca7f9084b5a28790f56cec45ce5c2006f8ee0 |
| SHA256 | d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54 |
| SHA512 | 0181a6e3157e47e9a1f75853de96d1deafffe38c80231909e2870758ee4f071c784adcf0031a17a9c4f0f0fc2df32b2cb1159cd0056334c4d281466324dcf36f |
memory/1624-147-0x0000000000950000-0x000000000097E000-memory.dmp
memory/1624-148-0x0000000000400000-0x000000000080F000-memory.dmp
memory/1624-151-0x0000000000980000-0x000000000099C000-memory.dmp
memory/1624-152-0x0000000000980000-0x000000000099C000-memory.dmp
memory/1624-153-0x00000000009B0000-0x00000000009CA000-memory.dmp
memory/1624-154-0x0000000000980000-0x000000000099C000-memory.dmp
memory/1332-155-0x0000020945440000-0x0000020945441000-memory.dmp
memory/1624-156-0x00000000009B0000-0x00000000009CA000-memory.dmp
memory/1332-157-0x0000020945750000-0x0000020945757000-memory.dmp
memory/1332-158-0x00007FF4E38F0000-0x00007FF4E39EA000-memory.dmp
memory/1332-159-0x00007FF4E38F0000-0x00007FF4E39EA000-memory.dmp
memory/1624-160-0x0000000000400000-0x000000000080F000-memory.dmp
memory/1624-161-0x0000000000980000-0x000000000099C000-memory.dmp
memory/1332-162-0x00007FF4E38F0000-0x00007FF4E39EA000-memory.dmp
memory/1332-163-0x00007FF4E38F0000-0x00007FF4E39EA000-memory.dmp
memory/1332-164-0x00007FF4E38F0000-0x00007FF4E39EA000-memory.dmp
memory/1332-165-0x00007FF4E38F0000-0x00007FF4E39EA000-memory.dmp
memory/1332-166-0x00007FF4E38F0000-0x00007FF4E39EA000-memory.dmp