Analysis
- max time kernel
82s - max time network
106s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
14/04/2023, 19:55
Static task
static1
Behavioral task
behavioral1
Sample
f25b1dd4bc3b8f899575ff4ae01594385a490a644b51e51c1a8f6685fd167006.exe
Resource
win10v2004-20230220-en
17 signatures
150 seconds
General
- Target f25b1dd4bc3b8f899575ff4ae01594385a490a644b51e51c1a8f6685fd167006.exe
- Size 349KB
- Sample230414-ym94fabe95
- SHA256 f25b1dd4bc3b8f899575ff4ae01594385a490a644b51e51c1a8f6685fd167006
- MD5 a5410d051fd7def3f40547de64cc7c62
- SHA1 781e8afa8480a343baf9aac9be96b95115f94f72
- SHA512 6b96722695ba0f9e212c8653633cad0d6a43b9d2e8bfa36a372fa4675f8f45d92e35b2602442f9d76a5695d6172e4b8c71cbd6c6be9f025596443ef126f645a6
- SSDEEP 6144:ap8+xtfctg0v9C6gy5ZMQ764BV52XVBaxi:apDtkq0VC615ZzBVuVN
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
pub4
Extracted
Family
-
smokeloader
Version
-
2022
C2
-
http://aapu.at/tmp/
-
http://poudineh.com/tmp/
-
http://firsttrusteedrx.ru/tmp/
-
http://kingpirate.ru/tmp/
rc4.i32
rc4.i32
Extracted
Family
-
rhadamanthys
C2
-
http://179.43.142.201/img/favicon.png
Signatures
- Detect rhadamanthys stealer shellcode 4 IoCs
resource yara_rule behavioral1/memory/776-151-0x0000000000A30000-0x0000000000A4C000-memory.dmp family_rhadamanthys behavioral1/memory/776-152-0x0000000000A30000-0x0000000000A4C000-memory.dmp family_rhadamanthys behavioral1/memory/776-154-0x0000000000A30000-0x0000000000A4C000-memory.dmp family_rhadamanthys behavioral1/memory/776-161-0x0000000000A30000-0x0000000000A4C000-memory.dmp family_rhadamanthys - Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 776 BE7.exe - Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe - Program crash 1 IoCs
pid pid_target Process procid_target 220 776 WerFault.exe 88 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f25b1dd4bc3b8f899575ff4ae01594385a490a644b51e51c1a8f6685fd167006.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f25b1dd4bc3b8f899575ff4ae01594385a490a644b51e51c1a8f6685fd167006.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f25b1dd4bc3b8f899575ff4ae01594385a490a644b51e51c1a8f6685fd167006.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 dllhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dllhost.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4284 f25b1dd4bc3b8f899575ff4ae01594385a490a644b51e51c1a8f6685fd167006.exe 4284 f25b1dd4bc3b8f899575ff4ae01594385a490a644b51e51c1a8f6685fd167006.exe 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found 3112 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3112 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4284 f25b1dd4bc3b8f899575ff4ae01594385a490a644b51e51c1a8f6685fd167006.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3112 Process not Found Token: SeCreatePagefilePrivilege 3112 Process not Found - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3112 wrote to memory of 776 3112 Process not Found 88 PID 3112 wrote to memory of 776 3112 Process not Found 88 PID 3112 wrote to memory of 776 3112 Process not Found 88 PID 776 wrote to memory of 4412 776 BE7.exe 90 PID 776 wrote to memory of 4412 776 BE7.exe 90 PID 776 wrote to memory of 4412 776 BE7.exe 90 PID 776 wrote to memory of 4412 776 BE7.exe 90 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\f25b1dd4bc3b8f899575ff4ae01594385a490a644b51e51c1a8f6685fd167006.exe"C:\Users\Admin\AppData\Local\Temp\f25b1dd4bc3b8f899575ff4ae01594385a490a644b51e51c1a8f6685fd167006.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4284
-
C:\Users\Admin\AppData\Local\Temp\BE7.exeC:\Users\Admin\AppData\Local\Temp\BE7.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:776 -
C:\Windows\system32\dllhost.exe"C:\Windows\system32\dllhost.exe"2⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- outlook_office_path
- outlook_win_path
PID:4412
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 776 -s 6402⤵
- Program crash
PID:220
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 776 -ip 7761⤵PID:2016
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\BE7.exe
- Size 424KB
- SHA256 c6d3e5869e77146cd4c302a18eb02412f4d967e251c143f45a3f69335c392785
- MD5 84700eb935fa4f7dd690e0aa2e0f7917
- SHA1 6117bb93b114fa3e70538bbeda284df55b55e1a6
- SHA512 243f892a14ef185c24a1743949ef026cd7bbdd4ca8afa2ce772de44aa121dfd32a95d3b53b3dbcaa8867abbc282055801d2e10f6448748b6c0f8c9961cb61b66
- SSDEEP 12288:WVkV+TDXyF8iHudmWZ/P9SDxp2DT3SVb:M2+TqHusDxpCr
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\BE7.exe
- Size 424KB
- SHA256 c6d3e5869e77146cd4c302a18eb02412f4d967e251c143f45a3f69335c392785
- MD5 84700eb935fa4f7dd690e0aa2e0f7917
- SHA1 6117bb93b114fa3e70538bbeda284df55b55e1a6
- SHA512 243f892a14ef185c24a1743949ef026cd7bbdd4ca8afa2ce772de44aa121dfd32a95d3b53b3dbcaa8867abbc282055801d2e10f6448748b6c0f8c9961cb61b66
- SSDEEP 12288:WVkV+TDXyF8iHudmWZ/P9SDxp2DT3SVb:M2+TqHusDxpCr
- MD5 SHA1 SHA512 SSDEEP