Analysis
-
max time kernel
117s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
24-03-2023 08:37
Static task
static1
Behavioral task
behavioral1
Sample
PURCHASE ORDER.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
PURCHASE ORDER.exe
Resource
win10v2004-20230220-en
General
-
Target
PURCHASE ORDER.exe
-
Size
158KB
-
MD5
ce84573aa1706cc43cc2fea8a1c98447
-
SHA1
71af640bba2e156311b277f62faa49af184a864b
-
SHA256
4be5fa9ac61777638bf7550de77fffee6aa150b0e5c55612753f5fe3d931d885
-
SHA512
e0bb1ab721099aec4ff92c550460e94cc8ef9662a2f44ac977f793bd5d8633b0969ae5c502b2f8dcffb1710f55e63672709a4cab2d4e86a530ed70209bb17aa1
-
SSDEEP
3072:Gc+LTYERpkurjMNT8dG8LiykZrFMM/j0dRDaUmwb:kLTYm3XsGG8uykxjsDaUmw
Malware Config
Extracted
azorult
http://34.217.22.124/index.php
Signatures
-
Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
-
Loads dropped DLL 4 IoCs
Processes:
vbc.exepid process 728 vbc.exe 728 vbc.exe 728 vbc.exe 728 vbc.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
-
Uses the VBS compiler for execution 1 TTPs
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook vbc.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook vbc.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook vbc.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PURCHASE ORDER.exedescription pid process target process PID 2448 set thread context of 728 2448 PURCHASE ORDER.exe vbc.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 vbc.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString vbc.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
vbc.exepid process 728 vbc.exe 728 vbc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
PURCHASE ORDER.exedescription pid process target process PID 2448 wrote to memory of 728 2448 PURCHASE ORDER.exe vbc.exe PID 2448 wrote to memory of 728 2448 PURCHASE ORDER.exe vbc.exe PID 2448 wrote to memory of 728 2448 PURCHASE ORDER.exe vbc.exe PID 2448 wrote to memory of 728 2448 PURCHASE ORDER.exe vbc.exe PID 2448 wrote to memory of 728 2448 PURCHASE ORDER.exe vbc.exe PID 2448 wrote to memory of 728 2448 PURCHASE ORDER.exe vbc.exe PID 2448 wrote to memory of 728 2448 PURCHASE ORDER.exe vbc.exe PID 2448 wrote to memory of 728 2448 PURCHASE ORDER.exe vbc.exe PID 2448 wrote to memory of 728 2448 PURCHASE ORDER.exe vbc.exe -
outlook_office_path 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook vbc.exe -
outlook_win_path 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook vbc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\2fda\mozglue.dllFilesize
135KB
MD59e682f1eb98a9d41468fc3e50f907635
SHA185e0ceca36f657ddf6547aa0744f0855a27527ee
SHA256830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
SHA512230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed
-
C:\Users\Admin\AppData\Local\Temp\2fda\msvcp140.dllFilesize
429KB
MD5109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
-
C:\Users\Admin\AppData\Local\Temp\2fda\nss3.dllFilesize
1.2MB
MD5556ea09421a0f74d31c4c0a89a70dc23
SHA1f739ba9b548ee64b13eb434a3130406d23f836e3
SHA256f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
SHA5122481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2
-
C:\Users\Admin\AppData\Local\Temp\2fda\vcruntime140.dllFilesize
81KB
MD57587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
-
memory/728-135-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
-
memory/728-138-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
-
memory/728-139-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
-
memory/728-247-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
-
memory/2448-133-0x0000000000390000-0x00000000003BE000-memory.dmpFilesize
184KB
-
memory/2448-134-0x0000000004CE0000-0x0000000004D46000-memory.dmpFilesize
408KB