matiex | 94ed91d33fa5a14f97c31acc659d4600b695920f7df7e79e2a86caf6da8026ff

General

Target

b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe
Size

704KB
MD5

b02da448441f440e3da47ffe337386a1
SHA1

1a3d5602c8ae752f397ef2bcaf39376338b3ab5f
SHA256

94ed91d33fa5a14f97c31acc659d4600b695920f7df7e79e2a86caf6da8026ff
SHA512

a1df55ada44b08c0b5314880bfea6bd92f82fae65215183b896d419d8ff6c01d11ff5378e500bdd8478adb8bae33175c386e89028e8cf009046858d06919f90f
SSDEEP

12288:4kqPib7Z0NrHVN27x4JxFVt1DE86pLW7pEj71Wjz3rVMNrEZcpYN:4Ta3Z0RYgFRlEdIrVQrEZcpYN

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/2908-5-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex
behavioral1/memory/2908-9-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex
behavioral1/memory/2908-7-0x0000000000400000-0x0000000000472000-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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.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.

Processes:

flow	ioc
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2424 set thread context of 2908	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	30

Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe

pid	Process
2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe
2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe
2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description	pid	Process
Token: SeDebugPrivilege	2908	RegAsm.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2424 wrote to memory of 2348	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	28
PID 2424 wrote to memory of 2348	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	28
PID 2424 wrote to memory of 2348	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	28
PID 2424 wrote to memory of 2348	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	28
PID 2424 wrote to memory of 2348	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	28
PID 2424 wrote to memory of 2348	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	28
PID 2424 wrote to memory of 2348	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	28
PID 2424 wrote to memory of 3064	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	29
PID 2424 wrote to memory of 3064	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	29
PID 2424 wrote to memory of 3064	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	29
PID 2424 wrote to memory of 3064	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	29
PID 2424 wrote to memory of 3064	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	29
PID 2424 wrote to memory of 3064	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	29
PID 2424 wrote to memory of 3064	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	29
PID 2424 wrote to memory of 2908	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2908	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2908	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2908	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2908	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2908	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2908	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2908	2424	b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe	30

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b02da448441f440e3da47ffe337386a1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2348
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:3064
- 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:2908

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/2424-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2424-1-0x0000000000E60000-0x0000000000F16000-memory.dmp

Filesize
728KB

Download
memory/2424-2-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2424-3-0x0000000004C10000-0x0000000004C8A000-memory.dmp

Filesize
488KB

Download
memory/2424-4-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2424-10-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2908-5-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2908-9-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2908-7-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads