Analysis Overview
SHA256
92f5bc1c04cfa529056b7f6cead4ec4aa2ce280ea51b166e4f62b7c40e0e32de
Threat Level: Known bad
The file 92f5bc1c04cfa529056b7f6cead4ec4aa2ce280ea51b166e4f62b7c40e0e32de was found to be: Known bad.
Malicious Activity Summary
Detects Smokeloader packer
SmokeLoader
Detect PureCrypter injector
PureCrypter
Executes dropped EXE
Deletes itself
Adds Run key to start application
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
Program crash
Enumerates physical storage devices
Checks SCSI registry key(s)
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
outlook_win_path
outlook_office_path
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-01-25 07:13
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-01-25 07:13
Reported
2023-01-25 07:15
Platform
win10-20220812-en
Max time kernel
150s
Max time network
133s
Command Line
Signatures
Detect PureCrypter injector
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects Smokeloader packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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PureCrypter
SmokeLoader
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\213F.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\SysWOW64\explorer.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\Goyyvx = "\"C:\\Users\\Admin\\AppData\\Roaming\\Neyachzs\\Goyyvx.exe\"" | C:\Users\Admin\AppData\Local\Temp\92f5bc1c04cfa529056b7f6cead4ec4aa2ce280ea51b166e4f62b7c40e0e32de.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2204 set thread context of 3056 | N/A | C:\Users\Admin\AppData\Local\Temp\92f5bc1c04cfa529056b7f6cead4ec4aa2ce280ea51b166e4f62b7c40e0e32de.exe | C:\Users\Admin\AppData\Local\Temp\92f5bc1c04cfa529056b7f6cead4ec4aa2ce280ea51b166e4f62b7c40e0e32de.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\213F.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\92f5bc1c04cfa529056b7f6cead4ec4aa2ce280ea51b166e4f62b7c40e0e32de.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\92f5bc1c04cfa529056b7f6cead4ec4aa2ce280ea51b166e4f62b7c40e0e32de.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\92f5bc1c04cfa529056b7f6cead4ec4aa2ce280ea51b166e4f62b7c40e0e32de.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\92f5bc1c04cfa529056b7f6cead4ec4aa2ce280ea51b166e4f62b7c40e0e32de.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\92f5bc1c04cfa529056b7f6cead4ec4aa2ce280ea51b166e4f62b7c40e0e32de.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\92f5bc1c04cfa529056b7f6cead4ec4aa2ce280ea51b166e4f62b7c40e0e32de.exe | N/A |
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Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\92f5bc1c04cfa529056b7f6cead4ec4aa2ce280ea51b166e4f62b7c40e0e32de.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\213F.exe | 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
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\SysWOW64\explorer.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\SysWOW64\explorer.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\92f5bc1c04cfa529056b7f6cead4ec4aa2ce280ea51b166e4f62b7c40e0e32de.exe
"C:\Users\Admin\AppData\Local\Temp\92f5bc1c04cfa529056b7f6cead4ec4aa2ce280ea51b166e4f62b7c40e0e32de.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
C:\Users\Admin\AppData\Local\Temp\92f5bc1c04cfa529056b7f6cead4ec4aa2ce280ea51b166e4f62b7c40e0e32de.exe
C:\Users\Admin\AppData\Local\Temp\92f5bc1c04cfa529056b7f6cead4ec4aa2ce280ea51b166e4f62b7c40e0e32de.exe
C:\Users\Admin\AppData\Local\Temp\213F.exe
C:\Users\Admin\AppData\Local\Temp\213F.exe
C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
C:\Windows\explorer.exe
C:\Windows\explorer.exe
C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
C:\Windows\explorer.exe
C:\Windows\explorer.exe
C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
C:\Windows\explorer.exe
C:\Windows\explorer.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 1384
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | isilab.kaist.ac.kr | udp |
| N/A | 15.164.23.161:80 | isilab.kaist.ac.kr | tcp |
| N/A | 52.168.112.66:443 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 8.8.8.8:53 | cletonmy.com | udp |
| N/A | 172.105.103.207:80 | cletonmy.com | tcp |
| N/A | 8.8.8.8:53 | alpatrik.com | udp |
| N/A | 45.81.39.147:80 | alpatrik.com | tcp |
| N/A | 45.81.39.147:80 | alpatrik.com | tcp |
| N/A | 45.81.39.147:80 | alpatrik.com | tcp |
| N/A | 15.164.23.161:80 | isilab.kaist.ac.kr | tcp |
| N/A | 45.81.39.147:80 | alpatrik.com | tcp |
| N/A | 15.164.23.161:80 | isilab.kaist.ac.kr | tcp |
| N/A | 15.164.23.161:80 | isilab.kaist.ac.kr | tcp |
| N/A | 15.164.23.161:80 | isilab.kaist.ac.kr | tcp |
| N/A | 15.164.23.161:80 | isilab.kaist.ac.kr | tcp |
Files
memory/2204-120-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-121-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-122-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-123-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-124-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-125-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-126-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-127-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-128-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-129-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-130-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-131-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-132-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-133-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-134-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-135-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-136-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-137-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-138-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-139-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-140-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-141-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-142-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-143-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-144-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-145-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-146-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-147-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-148-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-149-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-150-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-151-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-152-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-153-0x0000000000ED0000-0x0000000000EDC000-memory.dmp
memory/2204-154-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-155-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-156-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-157-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-158-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-159-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-160-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-161-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-162-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-163-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-164-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-165-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-166-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-167-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-168-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-169-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-170-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-171-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-172-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-173-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-174-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-175-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-176-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-177-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-178-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-179-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-180-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-181-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-182-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-183-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-184-0x0000000077540000-0x00000000776CE000-memory.dmp
memory/2204-192-0x0000000005FA0000-0x0000000006008000-memory.dmp
memory/2204-193-0x0000000006B80000-0x000000000707E000-memory.dmp
memory/2204-194-0x0000000006780000-0x0000000006812000-memory.dmp
memory/2204-195-0x0000000006820000-0x00000000068B2000-memory.dmp
memory/2204-196-0x0000000006910000-0x0000000006932000-memory.dmp
memory/2204-198-0x0000000007080000-0x00000000073D0000-memory.dmp
memory/1984-208-0x0000000000000000-mapping.dmp
memory/1984-244-0x00000000052D0000-0x0000000005306000-memory.dmp
memory/1984-249-0x0000000007C50000-0x0000000008278000-memory.dmp
memory/1984-268-0x0000000007B50000-0x0000000007BB6000-memory.dmp
memory/1984-269-0x0000000008380000-0x00000000083E6000-memory.dmp
memory/1984-272-0x0000000007C20000-0x0000000007C3C000-memory.dmp
memory/1984-273-0x0000000008850000-0x000000000889B000-memory.dmp
memory/1984-277-0x0000000008B00000-0x0000000008B76000-memory.dmp
memory/1984-288-0x000000000A390000-0x000000000AA08000-memory.dmp
memory/1984-289-0x0000000009B40000-0x0000000009B5A000-memory.dmp
memory/3056-296-0x0000000000402EF0-mapping.dmp
memory/3056-327-0x0000000000400000-0x0000000000409000-memory.dmp
memory/3056-328-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4088-329-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\213F.exe
| MD5 | 942d4384987c409eb5c3b5609a1c5216 |
| SHA1 | f705df7ca7b570357a19b19d28e5ea232c12e163 |
| SHA256 | 46b3863afa7d05696d16d90c4fd7fefa1f2c9cb333dbf5abaacee35e39c0feee |
| SHA512 | 273620b4937d269735c4e915fa4f6c0dd48366b330fc7b2af37bdfb84a4e0813cbfa5fce78a96d2284d06ef43a2320b87a1a1fdc822aca75fbc373d12d808f88 |
C:\Users\Admin\AppData\Local\Temp\213F.exe
| MD5 | 942d4384987c409eb5c3b5609a1c5216 |
| SHA1 | f705df7ca7b570357a19b19d28e5ea232c12e163 |
| SHA256 | 46b3863afa7d05696d16d90c4fd7fefa1f2c9cb333dbf5abaacee35e39c0feee |
| SHA512 | 273620b4937d269735c4e915fa4f6c0dd48366b330fc7b2af37bdfb84a4e0813cbfa5fce78a96d2284d06ef43a2320b87a1a1fdc822aca75fbc373d12d808f88 |
memory/4852-360-0x0000000000000000-mapping.dmp
memory/4088-368-0x0000000000380000-0x000000000038E000-memory.dmp
memory/600-404-0x0000000000000000-mapping.dmp
memory/600-419-0x0000000000A30000-0x0000000000A3C000-memory.dmp
memory/4104-442-0x0000000000000000-mapping.dmp
memory/2064-486-0x0000000000000000-mapping.dmp
memory/4852-516-0x0000000000BD0000-0x0000000000C45000-memory.dmp
memory/4852-518-0x0000000000B60000-0x0000000000BCB000-memory.dmp
memory/2064-519-0x0000000000AF0000-0x0000000000AF9000-memory.dmp
memory/2064-520-0x0000000000AE0000-0x0000000000AEF000-memory.dmp
memory/4104-521-0x0000000003480000-0x0000000003487000-memory.dmp
memory/4104-522-0x0000000003470000-0x000000000347B000-memory.dmp
memory/996-525-0x0000000000000000-mapping.dmp
memory/4852-587-0x0000000000B60000-0x0000000000BCB000-memory.dmp
memory/2416-584-0x0000000000000000-mapping.dmp
memory/2416-592-0x0000000000BD0000-0x0000000000BD6000-memory.dmp
memory/2416-593-0x0000000000BC0000-0x0000000000BCC000-memory.dmp
memory/996-594-0x0000000000630000-0x0000000000635000-memory.dmp
memory/996-595-0x0000000000620000-0x0000000000629000-memory.dmp
memory/2064-596-0x0000000000AF0000-0x0000000000AF9000-memory.dmp
memory/4104-597-0x0000000003480000-0x0000000003487000-memory.dmp
memory/2416-598-0x0000000000BD0000-0x0000000000BD6000-memory.dmp
memory/996-599-0x0000000000630000-0x0000000000635000-memory.dmp