matiex | a80660a551d427bd67935c0380d3edca52a17a57005dde154ba2acfd29bebade

General

Target

f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe
Size

1.5MB
MD5

f5142955783a16ea5957a10c51e64f33
SHA1

c843043f0b39623bf0862f8460b669c923b4c2e9
SHA256

a80660a551d427bd67935c0380d3edca52a17a57005dde154ba2acfd29bebade
SHA512

e214ac6ba2d3cb4d9b6c77fc7ce87345d196542f50531d93b103803b5f5c16c4bb59424325ad8ccbf7095af6db1428c4ffea489287aa73aae2358734913870b5
SSDEEP

24576:lUkmlW5oaXpcB7mVSaccPuvcd5OGQT/1/0nS+7n4SYwqK4zf3RTsAHWAgqChJ+ho:6eiec6kqn2dpsNQuiNB/e

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
mail.thts.vn
Port:
25
Username:
[email protected]
Password:
123luongngan1989
Email To:
[email protected]

Signatures

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

Matiex Main payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3420-13-0x0000000000400000-0x0000000000472000-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.
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:

f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.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

38 checkip.dyndns.org
41 freegeoip.app
42 freegeoip.app

flow	ioc
38	checkip.dyndns.org
41	freegeoip.app
42	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

Processes:

f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe

description	pid	process	target process
PID 4844 set thread context of 3420	4844	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

5092 3420 WerFault.exe f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe

pid	pid_target	process	target process
5092	3420	WerFault.exe	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exef5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	4844	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe
Token: SeDebugPrivilege	3420	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe

description	pid	process	target process
PID 4844 wrote to memory of 3420	4844	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe
PID 4844 wrote to memory of 3420	4844	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe
PID 4844 wrote to memory of 3420	4844	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe
PID 4844 wrote to memory of 3420	4844	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe
PID 4844 wrote to memory of 3420	4844	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe
PID 4844 wrote to memory of 3420	4844	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe
PID 4844 wrote to memory of 3420	4844	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe
PID 4844 wrote to memory of 3420	4844	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe

outlook_office_path 1 IoCs

Processes:

f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe

outlook_win_path 1 IoCs

Processes:

f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4844

C:\Users\Admin\AppData\Local\Temp\f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f5142955783a16ea5957a10c51e64f33_JaffaCakes118.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3420 -s 2016
3⤵
- Program crash
PID:5092

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4332 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:2172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3420 -ip 3420
1⤵
PID:4384

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

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Downloads

memory/3420-13-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/3420-20-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/3420-19-0x0000000007060000-0x0000000007222000-memory.dmp

Filesize
1.8MB

Download
memory/3420-17-0x00000000056A0000-0x00000000056B0000-memory.dmp

Filesize
64KB

Download
memory/3420-16-0x0000000005800000-0x0000000005866000-memory.dmp

Filesize
408KB

Download
memory/3420-14-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4844-5-0x0000000004AE0000-0x0000000004AF0000-memory.dmp

Filesize
64KB

Download
memory/4844-6-0x0000000004C00000-0x0000000004C0A000-memory.dmp

Filesize
40KB

Download
memory/4844-8-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4844-9-0x0000000004AE0000-0x0000000004AF0000-memory.dmp

Filesize
64KB

Download
memory/4844-10-0x00000000045C0000-0x00000000045F6000-memory.dmp

Filesize
216KB

Download
memory/4844-11-0x0000000006470000-0x00000000064FE000-memory.dmp

Filesize
568KB

Download
memory/4844-12-0x0000000000C40000-0x0000000000CB4000-memory.dmp

Filesize
464KB

Download
memory/4844-7-0x0000000004E10000-0x0000000004E66000-memory.dmp

Filesize
344KB

Download
memory/4844-0-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4844-4-0x0000000004C80000-0x0000000004D12000-memory.dmp

Filesize
584KB

Download
memory/4844-3-0x0000000005230000-0x00000000057D4000-memory.dmp

Filesize
5.6MB

Download
memory/4844-18-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4844-2-0x0000000004B30000-0x0000000004BCC000-memory.dmp

Filesize
624KB

Download
memory/4844-1-0x0000000000020000-0x000000000019C000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads