matiex | a80660a551d427bd67935c0380d3edca52a17a57005dde154ba2acfd29bebade

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 04:54

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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

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

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
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
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

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

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

pid	pid_target	process	target process
5092	3420	WerFault.exe	f5142955783a16ea5957a10c51e64f33_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 Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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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