Analysis
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max time kernel
137s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
20-01-2023 13:22
Static task
static1
Behavioral task
behavioral1
Sample
b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
Resource
win10v2004-20221111-en
General
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Target
b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
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Size
608KB
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MD5
4622942793ebac6a734337176a346809
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SHA1
5c7c0cceb1d1ecdd052e29a9e6a46e4ea3cfb282
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SHA256
b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c
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SHA512
a7164f6a8b9d555efd12bebb3801834c539c73090fdc0cfc436c4b0a53a324169af9b8ba21bb7e2b81698e14ea92da5d0fe477563a323ebeaced40a1870392a6
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SSDEEP
12288:YqoOQ5sHbNuZpA/uOr3YZnQlRZDynctXm2sThT6ycNYn:X1Q4oZpA2Or3YuyctW2K6Fm
Malware Config
Extracted
matiex
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
wise101@bajajindai.net - Password:
ze5qw@iC?1E}
Signatures
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Matiex Main payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3784-138-0x0000000000400000-0x0000000000470000-memory.dmp family_matiex -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe Key opened \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe Key opened \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 26 checkip.dyndns.org 28 freegeoip.app 29 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exedescription pid process target process PID 1556 set thread context of 3784 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe -
Suspicious behavior: EnumeratesProcesses 29 IoCs
Processes:
b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exepid process 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exeb9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exedescription pid process Token: SeDebugPrivilege 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe Token: SeDebugPrivilege 3784 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exedescription pid process target process PID 1556 wrote to memory of 3784 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe PID 1556 wrote to memory of 3784 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe PID 1556 wrote to memory of 3784 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe PID 1556 wrote to memory of 3784 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe PID 1556 wrote to memory of 3784 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe PID 1556 wrote to memory of 3784 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe PID 1556 wrote to memory of 3784 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe PID 1556 wrote to memory of 3784 1556 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe -
outlook_office_path 1 IoCs
Processes:
b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe -
outlook_win_path 1 IoCs
Processes:
b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe"C:\Users\Admin\AppData\Local\Temp\b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe"C:\Users\Admin\AppData\Local\Temp\b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1556-132-0x00000000000F0000-0x0000000000188000-memory.dmpFilesize
608KB
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memory/1556-133-0x00000000050C0000-0x0000000005664000-memory.dmpFilesize
5.6MB
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memory/1556-134-0x0000000004A40000-0x0000000004AD2000-memory.dmpFilesize
584KB
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memory/1556-135-0x00000000049F0000-0x00000000049FA000-memory.dmpFilesize
40KB
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memory/1556-136-0x0000000004E20000-0x0000000004EBC000-memory.dmpFilesize
624KB
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memory/3784-137-0x0000000000000000-mapping.dmp
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memory/3784-138-0x0000000000400000-0x0000000000470000-memory.dmpFilesize
448KB
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memory/3784-139-0x00000000055C0000-0x0000000005626000-memory.dmpFilesize
408KB
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memory/3784-140-0x0000000006E50000-0x0000000007012000-memory.dmpFilesize
1.8MB