matiex | 6e039c725ce804c6aae1d4d56d11802a125895bf71bf99e293ec333b91cbc73b

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

C2

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

Processes:

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

Processes:

a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe

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.

Processes:

flow ioc

4 checkip.dyndns.org
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2064 2080 WerFault.exe a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 2080 a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe

flow	ioc
4	checkip.dyndns.org

pid	pid_target	process	target process
2064	2080	WerFault.exe	a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2080	a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe

description	pid	process	target process
PID 2080 wrote to memory of 2064	2080	a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe	WerFault.exe
PID 2080 wrote to memory of 2064	2080	a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe	WerFault.exe
PID 2080 wrote to memory of 2064	2080	a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe	WerFault.exe
PID 2080 wrote to memory of 2064	2080	a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe

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

Processes:

a97d3b60df53982ebe6b6927e220f555_JaffaCakes118.exe

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 Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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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

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads