matiex | f6d1fef78457a6ba54a7935e9b709c97f73a8f65e82e0a69e84942aac6f5c5cb

General

Target

45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe
Size

1.1MB
MD5

45c94cdf9e3047f2b6285847c54c8016
SHA1

41043b93ab918961cdf54d28b312f6daa48876bd
SHA256

f6d1fef78457a6ba54a7935e9b709c97f73a8f65e82e0a69e84942aac6f5c5cb
SHA512

5cf219f642be5e1b20a51446de0ad892d7a5f3c4a0a69e977231ae182db6be16cf4c9bbea5d431df5cf7a23279e8b218af9b63397cb787ccd9445356e7466b1d
SSDEEP

12288:TWDag5UEjqfu19dtRyXbsK3oNWAiai/XpfVM7mypq6OBtqKuCwaBuomAGd+mVK9j:R2dda2kai/XvCmp6OBtq9ZaRdH

Score

10^/10

matiex collection keylogger stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
mail.cleo2solutions.com.au
Port:
25
Username:
[email protected]
Password:
Enter@123

Signatures

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

Matiex Main payload 1 IoCs

resource	yara_rule
behavioral2/memory/964-14-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
29	freegeoip.app
26	checkip.dyndns.org
28	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1324 set thread context of 964	1324	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe	90

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
396	964	WerFault.exe	90

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
4940	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1324	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe
1324	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe
1324	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1324	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe
Token: SeDebugPrivilege	964	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 4940	1324	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe	88
PID 1324 wrote to memory of 4940	1324	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe	88
PID 1324 wrote to memory of 4940	1324	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe	88
PID 1324 wrote to memory of 964	1324	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe	90
PID 1324 wrote to memory of 964	1324	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe	90
PID 1324 wrote to memory of 964	1324	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe	90
PID 1324 wrote to memory of 964	1324	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe	90
PID 1324 wrote to memory of 964	1324	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe	90
PID 1324 wrote to memory of 964	1324	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe	90
PID 1324 wrote to memory of 964	1324	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe	90
PID 1324 wrote to memory of 964	1324	45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\45c94cdf9e3047f2b6285847c54c8016_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XVhumiX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFBA.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4940
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:964
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 1652
    3⤵
    - Program crash
    PID:396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 964 -ip 964
1⤵
PID:3676

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

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFBA.tmp

Filesize
1KB

MD5
6a07446f1b98cb7fd2af3086da3b2f03

SHA1
ec2320e29c9be25b0e0f5194bf5a71aca686dec9

SHA256
42b82b725bfab777b010c6b8f9adf1713f894d033d82ce4e08b916512950e12c

SHA512
18a5e2f0a1fb40b7be5a58d7f40e75f88f9018f052d0493e11e357279bbdcd7a1d5b0f95769dd5408c655e3d3a6b87b373dbc4736559679b58a10e743cebbf15

Download Submit
memory/964-21-0x0000000074710000-0x0000000074EC0000-memory.dmp

Filesize
7.7MB

Download
memory/964-20-0x0000000006550000-0x0000000006712000-memory.dmp

Filesize
1.8MB

Download
memory/964-19-0x0000000074710000-0x0000000074EC0000-memory.dmp

Filesize
7.7MB

Download
memory/964-18-0x0000000005070000-0x00000000050D6000-memory.dmp

Filesize
408KB

Download
memory/964-17-0x0000000074710000-0x0000000074EC0000-memory.dmp

Filesize
7.7MB

Download
memory/964-14-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1324-4-0x0000000074710000-0x0000000074EC0000-memory.dmp

Filesize
7.7MB

Download
memory/1324-8-0x0000000074710000-0x0000000074EC0000-memory.dmp

Filesize
7.7MB

Download
memory/1324-9-0x0000000008750000-0x00000000087E2000-memory.dmp

Filesize
584KB

Download
memory/1324-10-0x00000000089D0000-0x0000000008A6C000-memory.dmp

Filesize
624KB

Download
memory/1324-7-0x000000007471E000-0x000000007471F000-memory.dmp

Filesize
4KB

Download
memory/1324-6-0x0000000004560000-0x000000000456A000-memory.dmp

Filesize
40KB

Download
memory/1324-16-0x0000000074710000-0x0000000074EC0000-memory.dmp

Filesize
7.7MB

Download
memory/1324-5-0x0000000004540000-0x000000000454A000-memory.dmp

Filesize
40KB

Download
memory/1324-0-0x000000007471E000-0x000000007471F000-memory.dmp

Filesize
4KB

Download
memory/1324-3-0x0000000007380000-0x0000000007412000-memory.dmp

Filesize
584KB

Download
memory/1324-2-0x0000000007710000-0x0000000007CB4000-memory.dmp

Filesize
5.6MB

Download
memory/1324-1-0x0000000000020000-0x000000000014A000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads