matiex | cd4d29b138b75a9d1a10fa7d724168ae155ef7779d97c042e8014b9ae6f93087

General

Target

ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe
Size

343KB
MD5

ac52db0c62fac74e6708635ac3db5f46
SHA1

0f35104cb6938b60cabbaf6257975792d5399024
SHA256

cd4d29b138b75a9d1a10fa7d724168ae155ef7779d97c042e8014b9ae6f93087
SHA512

95953124e75a38ed27ad6e60cbe0f9e952d5d367237784a3c0b47ed7d5fa30846f61a575458e3880b8f0539924cfd029983aa46a137db5ff5152e82140df7925
SSDEEP

6144:b8LxBBXsxzzxq3YgkqzS7M3TJcEghkLd199Tx5KN/Dv+JffuK1IDBgdugb:ysRzxq3wqzSmTJ9L5KNCfWK1cBxgb

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

C2

https://api.telegram.org/bot1395392888:AAFrJovDdZICOFB0gX0eGWrAUzEKCRpv8xo/sendMessage?chat_id=1300181783

Signatures

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

Matiex Main payload 9 IoCs

resource	yara_rule
behavioral1/memory/2544-9-0x0000000000400000-0x0000000000484000-memory.dmp	family_matiex
behavioral1/memory/2544-11-0x0000000000400000-0x0000000000484000-memory.dmp	family_matiex
behavioral1/memory/2544-12-0x0000000000400000-0x0000000000484000-memory.dmp	family_matiex
behavioral1/memory/2544-14-0x0000000000400000-0x0000000000484000-memory.dmp	family_matiex
behavioral1/memory/2544-16-0x0000000002190000-0x0000000002206000-memory.dmp	family_matiex
behavioral1/memory/2544-21-0x0000000001FE0000-0x0000000002020000-memory.dmp	family_matiex
behavioral1/memory/2544-19-0x0000000001FE0000-0x0000000002020000-memory.dmp	family_matiex
behavioral1/memory/2544-25-0x0000000001FE0000-0x0000000002020000-memory.dmp	family_matiex
behavioral1/memory/2544-26-0x0000000001FE0000-0x0000000002020000-memory.dmp	family_matiex

Loads dropped DLL 1 IoCs

pid	Process
2584	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe

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-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ac52db0c62fac74e6708635ac3db5f46_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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2584 set thread context of 2544	2584	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe	29

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2748	2544	WerFault.exe	29

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2544	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 2544	2584	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe	29
PID 2584 wrote to memory of 2544	2584	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe	29
PID 2584 wrote to memory of 2544	2584	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe	29
PID 2584 wrote to memory of 2544	2584	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe	29
PID 2584 wrote to memory of 2544	2584	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe	29
PID 2584 wrote to memory of 2544	2584	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe	29
PID 2584 wrote to memory of 2544	2584	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe	29
PID 2584 wrote to memory of 2544	2584	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe	29
PID 2584 wrote to memory of 2544	2584	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe	29
PID 2584 wrote to memory of 2544	2584	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe	29
PID 2584 wrote to memory of 2544	2584	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe	29
PID 2544 wrote to memory of 2748	2544	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe	31
PID 2544 wrote to memory of 2748	2544	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe	31
PID 2544 wrote to memory of 2748	2544	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe	31
PID 2544 wrote to memory of 2748	2544	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Users\Admin\AppData\Local\Temp\ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ac52db0c62fac74e6708635ac3db5f46_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 1292
    3⤵
    - Program crash
    PID:2748

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nse2F1D.tmp\lqwipxz.dll

Filesize
17KB

MD5
148e2440033d4c9c35f68f4072ba5d1e

SHA1
480b6d0a378fa7e785e79de7e0f757dd7e8124e3

SHA256
47094fa8accf250c8df2021a0180140be6f1091415d44e9927e5ed6ba6c60bb4

SHA512
1a272ef57ad29b3481a1f18530168d1af7cc6a20bef32249412e0eadcc7dbd306157c3b8fca971ac21bde9cf7229370124cce29038bd3cc1ef93a03008c0367d

Download Submit
memory/2544-15-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-16-0x0000000002190000-0x0000000002206000-memory.dmp

Filesize
472KB

Download
memory/2544-11-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2544-12-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2544-21-0x0000000001FE0000-0x0000000002020000-memory.dmp

Filesize
256KB

Download
memory/2544-14-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2544-9-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2544-27-0x0000000001FE0000-0x0000000002020000-memory.dmp

Filesize
256KB

Download
memory/2544-26-0x0000000001FE0000-0x0000000002020000-memory.dmp

Filesize
256KB

Download
memory/2544-20-0x0000000001FE0000-0x0000000002020000-memory.dmp

Filesize
256KB

Download
memory/2544-19-0x0000000001FE0000-0x0000000002020000-memory.dmp

Filesize
256KB

Download
memory/2544-18-0x0000000001FE0000-0x0000000002020000-memory.dmp

Filesize
256KB

Download
memory/2544-23-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-25-0x0000000001FE0000-0x0000000002020000-memory.dmp

Filesize
256KB

Download
memory/2584-13-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download
memory/2584-7-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download

Analysis

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