Analysis
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max time kernel
149s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
29-05-2024 23:50
Static task
static1
Behavioral task
behavioral1
Sample
826690f8e44578c940cf6b2bc6aa745a_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
826690f8e44578c940cf6b2bc6aa745a_JaffaCakes118.exe
Resource
win10v2004-20240426-en
General
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Target
826690f8e44578c940cf6b2bc6aa745a_JaffaCakes118.exe
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Size
703KB
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MD5
826690f8e44578c940cf6b2bc6aa745a
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SHA1
d640ba3276d1998385e6f7237c6c43b779553e26
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SHA256
a68f82eeab67310e50631899bb57fdac1e81c6b2d04db87c8aa564ff2cc18748
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SHA512
6f07b6f0b24735b7c83f739c3c81f3bb351da1dc3f21bd1a5247c2a71b8c7dabb65c027f5d61071c8a8e093aa62109ef00917851e761fe2c211c0745702f40a5
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SSDEEP
12288:ZP0FsHBSlKz7E1jl8Y/fOjNkoQknKKVCJ22zKMzFfVJ/n8DtFSfWwwjj74JN:MKz72jlX3GTQxz22e48reW/cJN
Malware Config
Extracted
matiex
Protocol: smtp- Host:
ebop.website - Port:
587 - Username:
[email protected] - Password:
P@ssw0rdP@ssw0rd
Signatures
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Matiex Main payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/372-5-0x0000000000400000-0x0000000000472000-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:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.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 6 checkip.dyndns.org 19 freegeoip.app 20 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
826690f8e44578c940cf6b2bc6aa745a_JaffaCakes118.exedescription pid process target process PID 1464 set thread context of 372 1464 826690f8e44578c940cf6b2bc6aa745a_JaffaCakes118.exe RegAsm.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
826690f8e44578c940cf6b2bc6aa745a_JaffaCakes118.exepid process 1464 826690f8e44578c940cf6b2bc6aa745a_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 372 RegAsm.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
826690f8e44578c940cf6b2bc6aa745a_JaffaCakes118.exedescription pid process target process PID 1464 wrote to memory of 372 1464 826690f8e44578c940cf6b2bc6aa745a_JaffaCakes118.exe RegAsm.exe PID 1464 wrote to memory of 372 1464 826690f8e44578c940cf6b2bc6aa745a_JaffaCakes118.exe RegAsm.exe PID 1464 wrote to memory of 372 1464 826690f8e44578c940cf6b2bc6aa745a_JaffaCakes118.exe RegAsm.exe PID 1464 wrote to memory of 372 1464 826690f8e44578c940cf6b2bc6aa745a_JaffaCakes118.exe RegAsm.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\826690f8e44578c940cf6b2bc6aa745a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\826690f8e44578c940cf6b2bc6aa745a_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/372-11-0x0000000005510000-0x0000000005576000-memory.dmpFilesize
408KB
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memory/372-15-0x0000000074C10000-0x00000000753C0000-memory.dmpFilesize
7.7MB
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memory/372-14-0x00000000069F0000-0x00000000069FA000-memory.dmpFilesize
40KB
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memory/372-13-0x0000000006B50000-0x0000000006D12000-memory.dmpFilesize
1.8MB
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memory/372-12-0x0000000074C10000-0x00000000753C0000-memory.dmpFilesize
7.7MB
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memory/372-5-0x0000000000400000-0x0000000000472000-memory.dmpFilesize
456KB
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memory/372-8-0x0000000005980000-0x0000000005F24000-memory.dmpFilesize
5.6MB
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memory/372-10-0x0000000005470000-0x000000000550C000-memory.dmpFilesize
624KB
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memory/372-9-0x0000000074C10000-0x00000000753C0000-memory.dmpFilesize
7.7MB
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memory/1464-3-0x0000000074C10000-0x00000000753C0000-memory.dmpFilesize
7.7MB
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memory/1464-7-0x0000000074C10000-0x00000000753C0000-memory.dmpFilesize
7.7MB
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memory/1464-4-0x0000000005C40000-0x0000000005CBA000-memory.dmpFilesize
488KB
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memory/1464-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmpFilesize
4KB
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memory/1464-2-0x0000000005810000-0x00000000058A2000-memory.dmpFilesize
584KB
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memory/1464-1-0x0000000000DF0000-0x0000000000EA6000-memory.dmpFilesize
728KB