Analysis
- max time kernel
78s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
17/12/2020, 07:47
Static task
static1
Behavioral task
behavioral1
Sample
http___webmaildocumentdownload.duckdns.org_win10.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
http___webmaildocumentdownload.duckdns.org_win10.exe
Resource
win10v20201028
General
- Target http___webmaildocumentdownload.duckdns.org_win10.exe
- Size 508KB
- Sample201217-67nydfd3dj
- SHA256 5822fa47a5eab9578ec51ee113a156f455c6c8f60ce80d084663c2f31fe25e91
- MD5 ecddbb92fb8f4adc3f17b97018e44e10
- SHA1 3ef38769ddccbc08ae2414b79761b369ead3b2f8
- SHA512 d4044b89552681931fea6695ad542207bb5543a43a5c26ce377734b071471afe2c6479bd0b00094944ceae553361456772ddd2abd6b212a1c44fa9972dd13245
- MD5 SHA1 SHA512
Malware Config
Extracted
-
azorult
-
http://195.245.112.115/index.php
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Loads dropped DLL 4 IoCs
pid Process 1976 http___webmaildocumentdownload.duckdns.org_win10.exe 1976 http___webmaildocumentdownload.duckdns.org_win10.exe 1976 http___webmaildocumentdownload.duckdns.org_win10.exe 1976 http___webmaildocumentdownload.duckdns.org_win10.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- JavaScript code in executable 1 IoCs
resource yara_rule behavioral2/files/0x000100000001ab97-23.dat js - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 816 set thread context of 1976 816 http___webmaildocumentdownload.duckdns.org_win10.exe 78 - 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 http___webmaildocumentdownload.duckdns.org_win10.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString http___webmaildocumentdownload.duckdns.org_win10.exe - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 816 http___webmaildocumentdownload.duckdns.org_win10.exe 816 http___webmaildocumentdownload.duckdns.org_win10.exe 816 http___webmaildocumentdownload.duckdns.org_win10.exe 1976 http___webmaildocumentdownload.duckdns.org_win10.exe 1976 http___webmaildocumentdownload.duckdns.org_win10.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 816 http___webmaildocumentdownload.duckdns.org_win10.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 816 wrote to memory of 1976 816 http___webmaildocumentdownload.duckdns.org_win10.exe 78 PID 816 wrote to memory of 1976 816 http___webmaildocumentdownload.duckdns.org_win10.exe 78 PID 816 wrote to memory of 1976 816 http___webmaildocumentdownload.duckdns.org_win10.exe 78 PID 816 wrote to memory of 1976 816 http___webmaildocumentdownload.duckdns.org_win10.exe 78 PID 816 wrote to memory of 1976 816 http___webmaildocumentdownload.duckdns.org_win10.exe 78 PID 816 wrote to memory of 1976 816 http___webmaildocumentdownload.duckdns.org_win10.exe 78 PID 816 wrote to memory of 1976 816 http___webmaildocumentdownload.duckdns.org_win10.exe 78 PID 816 wrote to memory of 1976 816 http___webmaildocumentdownload.duckdns.org_win10.exe 78 PID 816 wrote to memory of 1976 816 http___webmaildocumentdownload.duckdns.org_win10.exe 78
Processes
-
C:\Users\Admin\AppData\Local\Temp\http___webmaildocumentdownload.duckdns.org_win10.exe"C:\Users\Admin\AppData\Local\Temp\http___webmaildocumentdownload.duckdns.org_win10.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:816 -
C:\Users\Admin\AppData\Local\Temp\http___webmaildocumentdownload.duckdns.org_win10.exe"{path}"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1976
-