Analysis
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max time kernel
151s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2023, 10:20
Static task
static1
Behavioral task
behavioral1
Sample
298e8a80.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
298e8a80.exe
Resource
win10v2004-20230221-en
General
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Target
298e8a80.exe
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Size
236KB
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MD5
6e1c938d43c035a71ad43ab31736a022
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SHA1
6c94b9affa15d4bffe3fb378f04f5c8662145982
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SHA256
db14e897b3b268f92bb15f0720d4ec0c191949b660e966027cd6ec656c00cc26
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SHA512
62cfac64d14447d485a224c0a028f03b2c3fa49dbc121258d16850f8c9ec354202207f49736ebaa7df45b0b10b958775670045422a95eef0400c8f559a980c37
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SSDEEP
3072:JEfCoNfGdWSv8tCdD3TMEqNSS1GWRlztN0o5fDOKLDwYPDpJKJRfi/:sCogWSktCBTM54iD5DOKoYPDWJ4
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2022
http://aapu.at/tmp/
http://poudineh.com/tmp/
http://firsttrusteedrx.ru/tmp/
http://kingpirate.ru/tmp/
Extracted
rhadamanthys
http://179.43.142.201/img/favicon.png
Signatures
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Detect rhadamanthys stealer shellcode 4 IoCs
resource yara_rule behavioral2/memory/2276-168-0x0000000002D40000-0x0000000002D5C000-memory.dmp family_rhadamanthys behavioral2/memory/2276-169-0x0000000002D40000-0x0000000002D5C000-memory.dmp family_rhadamanthys behavioral2/memory/2276-171-0x0000000002D40000-0x0000000002D5C000-memory.dmp family_rhadamanthys behavioral2/memory/2276-178-0x0000000002D40000-0x0000000002D5C000-memory.dmp family_rhadamanthys -
Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 2276 33F1.exe -
Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 298e8a80.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 298e8a80.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 298e8a80.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 748 298e8a80.exe 748 298e8a80.exe 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3172 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 748 298e8a80.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 3172 Process not Found Token: SeCreatePagefilePrivilege 3172 Process not Found Token: SeShutdownPrivilege 3172 Process not Found Token: SeCreatePagefilePrivilege 3172 Process not Found Token: SeShutdownPrivilege 3172 Process not Found Token: SeCreatePagefilePrivilege 3172 Process not Found Token: SeShutdownPrivilege 3172 Process not Found Token: SeCreatePagefilePrivilege 3172 Process not Found -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3172 wrote to memory of 2276 3172 Process not Found 92 PID 3172 wrote to memory of 2276 3172 Process not Found 92 PID 3172 wrote to memory of 2276 3172 Process not Found 92 PID 2276 wrote to memory of 4316 2276 33F1.exe 93 PID 2276 wrote to memory of 4316 2276 33F1.exe 93 PID 2276 wrote to memory of 4316 2276 33F1.exe 93 PID 2276 wrote to memory of 4316 2276 33F1.exe 93 -
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.
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outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\298e8a80.exe"C:\Users\Admin\AppData\Local\Temp\298e8a80.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:748
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C:\Users\Admin\AppData\Local\Temp\33F1.exeC:\Users\Admin\AppData\Local\Temp\33F1.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2276 -
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:4316
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
298KB
MD51443c5bbc58a9283df31c026ec145fe8
SHA10461d42ac46ab778e2b64da3470b5421cef258b4
SHA256a865ff24fa16c3e701d9b08ca7309793cb1980eefde88a31e94454c74da90d20
SHA512764d69cb407d7d7cab8ae7bc417df4dfee3465de6fbc29cc311b94e45b1558c147049fff448b8a9bb6a4a164f510105c69d293d358f9b2b89da6aeb26ada242a
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Filesize
298KB
MD51443c5bbc58a9283df31c026ec145fe8
SHA10461d42ac46ab778e2b64da3470b5421cef258b4
SHA256a865ff24fa16c3e701d9b08ca7309793cb1980eefde88a31e94454c74da90d20
SHA512764d69cb407d7d7cab8ae7bc417df4dfee3465de6fbc29cc311b94e45b1558c147049fff448b8a9bb6a4a164f510105c69d293d358f9b2b89da6aeb26ada242a