Analysis
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max time kernel
150s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
15/04/2023, 11:10
Static task
static1
Behavioral task
behavioral1
Sample
4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe
Resource
win10v2004-20230220-en
General
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Target
4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe
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Size
352KB
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MD5
50de4ca0dd1db8ef6d1583c82a7dbe9c
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SHA1
ccd35470b070888c787296b507d4a53aad34ea22
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SHA256
4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda
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SHA512
f41681ae87e81fd9694abc37d94c73d3fb8976cf708c08166158a62a99fbd98c83fd9ada15b65a57e701892f043a5804fb4c4f44f42b7321f3685d3c422c8894
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SSDEEP
6144:hW2G250BMJqUa9LPvSvZjoooS0eR0dciKwe4:hVb0BMJq39LPvsuDDTKt4
Malware Config
Extracted
smokeloader
pub4
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 behavioral1/memory/1624-151-0x0000000000980000-0x000000000099C000-memory.dmp family_rhadamanthys behavioral1/memory/1624-152-0x0000000000980000-0x000000000099C000-memory.dmp family_rhadamanthys behavioral1/memory/1624-154-0x0000000000980000-0x000000000099C000-memory.dmp family_rhadamanthys behavioral1/memory/1624-161-0x0000000000980000-0x000000000099C000-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 1624 E13D.exe -
Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3136 1624 WerFault.exe 89 -
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 4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.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 4300 4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe 4300 4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2600 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4300 4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2600 Process not Found Token: SeCreatePagefilePrivilege 2600 Process not Found -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2600 wrote to memory of 1624 2600 Process not Found 89 PID 2600 wrote to memory of 1624 2600 Process not Found 89 PID 2600 wrote to memory of 1624 2600 Process not Found 89 PID 1624 wrote to memory of 1332 1624 E13D.exe 91 PID 1624 wrote to memory of 1332 1624 E13D.exe 91 PID 1624 wrote to memory of 1332 1624 E13D.exe 91 PID 1624 wrote to memory of 1332 1624 E13D.exe 91 -
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-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dllhost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe"C:\Users\Admin\AppData\Local\Temp\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4300
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C:\Users\Admin\AppData\Local\Temp\E13D.exeC:\Users\Admin\AppData\Local\Temp\E13D.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1624 -
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:1332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 7082⤵
- Program crash
PID:3136
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1624 -ip 16241⤵PID:4552
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
424KB
MD59950feec180e9981d35fe2dd2241efdc
SHA1939ca7f9084b5a28790f56cec45ce5c2006f8ee0
SHA256d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54
SHA5120181a6e3157e47e9a1f75853de96d1deafffe38c80231909e2870758ee4f071c784adcf0031a17a9c4f0f0fc2df32b2cb1159cd0056334c4d281466324dcf36f
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Filesize
424KB
MD59950feec180e9981d35fe2dd2241efdc
SHA1939ca7f9084b5a28790f56cec45ce5c2006f8ee0
SHA256d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54
SHA5120181a6e3157e47e9a1f75853de96d1deafffe38c80231909e2870758ee4f071c784adcf0031a17a9c4f0f0fc2df32b2cb1159cd0056334c4d281466324dcf36f