matiex | 18dca52ce50cdf148ca233fb83cd2c3e3c7b39a9ac254c96ac374ae63eb8f44c

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14-05-2024 07:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe
Size

703KB
MD5

40b14cd99109b91284625b00a4a8445e
SHA1

c5d15cbc8954e0d69f19aceb6b2a62231bb65636
SHA256

18dca52ce50cdf148ca233fb83cd2c3e3c7b39a9ac254c96ac374ae63eb8f44c
SHA512

6eafa9647c6fcfe9a28708b14f42f01f94e717fe656a46c924527363a6b5287d8876d8e393930557ec19d4b581df4dd38de5a056ec96f36bfb34512dbe327f69
SSDEEP

12288:0w4zjXcPq/JmHLgmG9qrqnABk3CUQPlOVwCGZbvRyaYe85QC0SbHYZjyHFOGExwN:Crzh2//rgrYo5Dlpnks3ExwN

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
ebop.website
Port:
587
Username:
[email protected]
Password:
P@ssw0rdP@ssw0rd

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/1296-9-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex
behavioral1/memory/1296-4-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex
behavioral1/memory/1296-7-0x0000000000400000-0x0000000000472000-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:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.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

4 checkip.dyndns.org
8 freegeoip.app
9 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe

description pid process target process

PID 1676 set thread context of 1296 1676 40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe RegAsm.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe

pid process

1676 40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1296 RegAsm.exe

flow	ioc
4	checkip.dyndns.org
8	freegeoip.app
9	freegeoip.app

description	pid	process	target process
PID 1676 set thread context of 1296	1676	40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe	RegAsm.exe

pid	process
1676	40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	1296	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe

description	pid	process	target process
PID 1676 wrote to memory of 1296	1676	40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe	RegAsm.exe
PID 1676 wrote to memory of 1296	1676	40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe	RegAsm.exe
PID 1676 wrote to memory of 1296	1676	40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe	RegAsm.exe
PID 1676 wrote to memory of 1296	1676	40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe	RegAsm.exe
PID 1676 wrote to memory of 1296	1676	40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe	RegAsm.exe
PID 1676 wrote to memory of 1296	1676	40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe	RegAsm.exe
PID 1676 wrote to memory of 1296	1676	40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe	RegAsm.exe
PID 1676 wrote to memory of 1296	1676	40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\40b14cd99109b91284625b00a4a8445e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1676

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1296

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1296-9-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1296-4-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1296-7-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1676-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/1676-1-0x0000000000B80000-0x0000000000C36000-memory.dmp

Filesize
728KB

Download
memory/1676-2-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/1676-3-0x0000000004BA0000-0x0000000004C1A000-memory.dmp

Filesize
488KB

Download
memory/1676-10-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/1676-5-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download