matiex | 0ed96cf4589be7b6b9b9562a165f4587ecf61e70a4958fb524f75c8b7c0b3fc9

General

Target

0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe
Size

715KB
MD5

0b52424adb115b1336d084cf0cfbb73e
SHA1

084e85f67c1743bc12a6bdea960a3fd34025cf51
SHA256

0ed96cf4589be7b6b9b9562a165f4587ecf61e70a4958fb524f75c8b7c0b3fc9
SHA512

4e162fdb73d382a85959c613cce961424e50e1b524b36ce82bfb44cd4f0f00ae547f84ab52201c9fa88d9f70e1a36c81635808895d8b7e1ab7d47f6ab1cca95c
SSDEEP

12288:RDhxrUNCKpoxLfz7SzJHtODOWFg3W/jwG4cxxPtUU+GwGp:xWCcoxjqJHt0Hg3ijwJ4z+Sp

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

C2

https://api.telegram.org/bot1327331385:AAFaAF38_aAo1cyYYTIEnuc9sIJxwBlO_i4/sendMessage?chat_id=1055082792

Signatures

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

Matiex Main payload 2 IoCs

resource	yara_rule
behavioral2/memory/3732-13-0x0000000005C20000-0x0000000005C92000-memory.dmp	family_matiex
behavioral2/memory/4124-15-0x0000000000400000-0x0000000000472000-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 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe

Looks up external IP address via web service 2 IoCs

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

flow	ioc
14	checkip.dyndns.org
15	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3732 set thread context of 4124	3732	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe	95

Program crash 1 IoCs

pid	pid_target	Process	procid_target
400	4124	WerFault.exe	95

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3732	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe
Token: SeDebugPrivilege	4124	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3732 wrote to memory of 4124	3732	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe	95
PID 3732 wrote to memory of 4124	3732	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe	95
PID 3732 wrote to memory of 4124	3732	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe	95
PID 3732 wrote to memory of 4124	3732	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe	95
PID 3732 wrote to memory of 4124	3732	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe	95
PID 3732 wrote to memory of 4124	3732	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe	95
PID 3732 wrote to memory of 4124	3732	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe	95
PID 3732 wrote to memory of 4124	3732	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3732
- C:\Users\Admin\AppData\Local\Temp\0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\0b52424adb115b1336d084cf0cfbb73e_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4124
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 1696
    3⤵
    - Program crash
    PID:400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4124 -ip 4124
1⤵
PID:4552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3732-10-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/3732-1-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/3732-2-0x0000000004C90000-0x0000000004D2C000-memory.dmp

Filesize
624KB

Download
memory/3732-3-0x00000000052E0000-0x0000000005884000-memory.dmp

Filesize
5.6MB

Download
memory/3732-4-0x0000000004D30000-0x0000000004DC2000-memory.dmp

Filesize
584KB

Download
memory/3732-5-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/3732-6-0x0000000004C70000-0x0000000004C7A000-memory.dmp

Filesize
40KB

Download
memory/3732-7-0x0000000004F40000-0x0000000004F96000-memory.dmp

Filesize
344KB

Download
memory/3732-9-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/3732-8-0x0000000004F20000-0x0000000004F32000-memory.dmp

Filesize
72KB

Download
memory/3732-12-0x0000000005B50000-0x0000000005BC4000-memory.dmp

Filesize
464KB

Download
memory/3732-11-0x0000000005AF0000-0x0000000005B52000-memory.dmp

Filesize
392KB

Download
memory/3732-0-0x0000000000220000-0x00000000002D8000-memory.dmp

Filesize
736KB

Download
memory/3732-13-0x0000000005C20000-0x0000000005C92000-memory.dmp

Filesize
456KB

Download
memory/3732-14-0x0000000005D00000-0x0000000005D66000-memory.dmp

Filesize
408KB

Download
memory/3732-18-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/4124-16-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/4124-19-0x00000000059E0000-0x00000000059F0000-memory.dmp

Filesize
64KB

Download
memory/4124-15-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/4124-20-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download

Analysis

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