matiex | 6e039c725ce804c6aae1d4d56d11802a125895bf71bf99e293ec333b91cbc73b

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
03/04/2024, 23:26

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General

Target

a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe
Size

441KB
MD5

a97d3b60df53982ebe6b6927e220f555
SHA1

6c2a5583629099bfb87903655c7fd5113a0b14bb
SHA256

6e039c725ce804c6aae1d4d56d11802a125895bf71bf99e293ec333b91cbc73b
SHA512

7a5161927a6560546e5c7d738f9bb49f754f018b41d2500268398835967937ce2ff59ed922f8106f3803cafa72b62404afc6311aa650f5d8e41f06bcfb00a931
SSDEEP

3072:LoLKlgh+inqfSdbjvOuGVwwZrQqklc80CEZSGajxAKGUsMBOYkdhxn0p:GUlDfSdbjmuLRqklvnm/UssOYk3Ja

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

https://api.telegram.org/bot2024219567:AAGgykIaN65yZpDtrTgB9E6sZsAPRCpMym8/sendMessage?chat_id=1639898258

Signatures

Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
stealer keylogger matiex

Matiex Main payload 3 IoCs

resource	yara_rule
behavioral1/memory/2080-0-0x0000000001330000-0x00000000013A4000-memory.dmp	family_matiex
behavioral1/memory/2080-2-0x0000000005910000-0x0000000005950000-memory.dmp	family_matiex
behavioral1/memory/2080-4-0x0000000005910000-0x0000000005950000-memory.dmp	family_matiex

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2064	2080	WerFault.exe	27

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2080	a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2064	2080	a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe	29
PID 2080 wrote to memory of 2064	2080	a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe	29
PID 2080 wrote to memory of 2064	2080	a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe	29
PID 2080 wrote to memory of 2064	2080	a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2080
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 932
  2⤵
  - Program crash
  PID:2064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2080-0-0x0000000001330000-0x00000000013A4000-memory.dmp

Filesize
464KB

Download
memory/2080-1-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2080-2-0x0000000005910000-0x0000000005950000-memory.dmp

Filesize
256KB

Download
memory/2080-3-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2080-4-0x0000000005910000-0x0000000005950000-memory.dmp

Filesize
256KB

Download