Analysis
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max time kernel
130s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 22:25
Static task
static1
Behavioral task
behavioral1
Sample
DHL Shipment Info.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
DHL Shipment Info.exe
Resource
win10v2004-20220414-en
General
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Target
DHL Shipment Info.exe
-
Size
606KB
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MD5
c25c9e302e3bbc669e210c961e271f2e
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SHA1
cd2a44a2bae5b250be394f21c947014f2c6d1aab
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SHA256
6438b80d095ec295859cb2b1c099f1ae2ac0485705a447b991e84b551e40047e
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SHA512
19e136ddc62dffce0512fcdac20e0b1fcc65e9366b4cda15e1cd80d6907a5247b31469eb0579275ce8ef06335b06fa291c3a6d1746b373b81caa03ff0cd14a14
Malware Config
Extracted
matiex
Protocol: smtp- Host:
mail.marketinfosales.com - Port:
587 - Username:
[email protected] - Password:
v,,++Y&AiD(B
Signatures
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Matiex Main Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4032-136-0x0000000000400000-0x0000000000472000-memory.dmp family_matiex -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 34 checkip.dyndns.org 36 freegeoip.app 37 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DHL Shipment Info.exedescription pid process target process PID 1572 set thread context of 4032 1572 DHL Shipment Info.exe RegSvcs.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2924 4032 WerFault.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
DHL Shipment Info.exepid process 1572 DHL Shipment Info.exe 1572 DHL Shipment Info.exe 1572 DHL Shipment Info.exe 1572 DHL Shipment Info.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
DHL Shipment Info.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1572 DHL Shipment Info.exe Token: SeDebugPrivilege 4032 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
DHL Shipment Info.exedescription pid process target process PID 1572 wrote to memory of 4032 1572 DHL Shipment Info.exe RegSvcs.exe PID 1572 wrote to memory of 4032 1572 DHL Shipment Info.exe RegSvcs.exe PID 1572 wrote to memory of 4032 1572 DHL Shipment Info.exe RegSvcs.exe PID 1572 wrote to memory of 4032 1572 DHL Shipment Info.exe RegSvcs.exe PID 1572 wrote to memory of 4032 1572 DHL Shipment Info.exe RegSvcs.exe PID 1572 wrote to memory of 4032 1572 DHL Shipment Info.exe RegSvcs.exe PID 1572 wrote to memory of 4032 1572 DHL Shipment Info.exe RegSvcs.exe PID 1572 wrote to memory of 4032 1572 DHL Shipment Info.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL Shipment Info.exe"C:\Users\Admin\AppData\Local\Temp\DHL Shipment Info.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 19883⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4032 -ip 40321⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1572-130-0x0000000000C50000-0x0000000000CEE000-memory.dmpFilesize
632KB
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memory/1572-131-0x0000000005C40000-0x00000000061E4000-memory.dmpFilesize
5.6MB
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memory/1572-132-0x0000000005690000-0x0000000005722000-memory.dmpFilesize
584KB
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memory/1572-133-0x0000000005670000-0x000000000567A000-memory.dmpFilesize
40KB
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memory/1572-134-0x00000000092C0000-0x000000000935C000-memory.dmpFilesize
624KB
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memory/4032-135-0x0000000000000000-mapping.dmp
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memory/4032-136-0x0000000000400000-0x0000000000472000-memory.dmpFilesize
456KB
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memory/4032-137-0x00000000053B0000-0x0000000005416000-memory.dmpFilesize
408KB