matiex | 41aff36e468738584879894efb4062f634c5bfe9c9300db8e15fe3f638f85f95

General

Target

f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe
Size

2.8MB
MD5

f6626e65f1eb82888caee56c3f658b89
SHA1

8a45d192c080a0923cbc2757df086d34b39c63e1
SHA256

41aff36e468738584879894efb4062f634c5bfe9c9300db8e15fe3f638f85f95
SHA512

10ec80ec7db80e0c39f48d688a06ca3cde6c4dd37a26dc872967f3d663cc2dc2dd26d2211877c23e72f965189ab784fd851f0e45f3e2899ab96070957e5fa877
SSDEEP

49152:2hUacRT39VIQfT3WUacRT39VIQfTzWUacRT39VIQfTfWUacRT39VIQfT:2hUzRjwQfjWUzRjwQfHWUzRjwQfLWUzJ

Score

10^/10

matiex collection credential_access discovery keylogger spyware stealer

Malware Config

Signatures

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

Matiex Main payload 5 IoCs

resource	yara_rule
behavioral1/memory/3048-6-0x0000000000400000-0x0000000000484000-memory.dmp	family_matiex
behavioral1/memory/3048-7-0x0000000000400000-0x0000000000484000-memory.dmp	family_matiex
behavioral1/memory/3048-4-0x0000000000400000-0x0000000000484000-memory.dmp	family_matiex
behavioral1/memory/3048-10-0x0000000000B60000-0x0000000000BD6000-memory.dmp	family_matiex
behavioral1/memory/3048-14-0x0000000000400000-0x0000000000484000-memory.dmp	family_matiex

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 3 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

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f6626e65f1eb82888caee56c3f658b89_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.

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2112 set thread context of 3048	2112	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2972	3048	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2424	schtasks.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2112	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2528	2112	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2528	2112	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2528	2112	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2528	2112	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe	30
PID 2112 wrote to memory of 3048	2112	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe	31
PID 2112 wrote to memory of 3048	2112	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe	31
PID 2112 wrote to memory of 3048	2112	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe	31
PID 2112 wrote to memory of 3048	2112	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe	31
PID 2112 wrote to memory of 3048	2112	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2424	2528	cmd.exe	33
PID 2528 wrote to memory of 2424	2528	cmd.exe	33
PID 2528 wrote to memory of 2424	2528	cmd.exe	33
PID 2528 wrote to memory of 2424	2528	cmd.exe	33
PID 3048 wrote to memory of 2972	3048	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe	36
PID 3048 wrote to memory of 2972	3048	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe	36
PID 3048 wrote to memory of 2972	3048	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe	36
PID 3048 wrote to memory of 2972	3048	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe	36

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\cmd.exe
  cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\d0c5ac152f4348afb5bb7d5f6c508b2d.xml"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\d0c5ac152f4348afb5bb7d5f6c508b2d.xml"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2424
- C:\Users\Admin\AppData\Local\Temp\f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f6626e65f1eb82888caee56c3f658b89_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:3048
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 1144
    3⤵
    - Program crash
    PID:2972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\d0c5ac152f4348afb5bb7d5f6c508b2d.xml

Filesize
1KB

MD5
1837350446d7ae359a861537a2fdf1c1

SHA1
24e991bb17f0b4aa27e7725de1c4a9a1e79dc3ac

SHA256
14913e1779678966fffe90c283eec15cb4f20ec4bf5e4e127909b348953bcb53

SHA512
59ed855781a1306f46399b28de94c1a56c1a0f95c9dde4b36eef7688a1112d1028181dda4f341a91c124ce26671b03f5fe150f5c0b702638429578c996610e76

Download Submit
memory/2112-3-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/3048-10-0x0000000000B60000-0x0000000000BD6000-memory.dmp

Filesize
472KB

Download
memory/3048-4-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/3048-8-0x00000000741DE000-0x00000000741DF000-memory.dmp

Filesize
4KB

Download
memory/3048-7-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/3048-6-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/3048-11-0x00000000741D0000-0x00000000748BE000-memory.dmp

Filesize
6.9MB

Download
memory/3048-13-0x00000000741D0000-0x00000000748BE000-memory.dmp

Filesize
6.9MB

Download
memory/3048-12-0x00000000741D0000-0x00000000748BE000-memory.dmp

Filesize
6.9MB

Download
memory/3048-14-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/3048-15-0x00000000741DE000-0x00000000741DF000-memory.dmp

Filesize
4KB

Download
memory/3048-16-0x00000000741D0000-0x00000000748BE000-memory.dmp

Filesize
6.9MB

Download
memory/3048-17-0x00000000741D0000-0x00000000748BE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads