matiex | 108f33743a4ef5a5008a666449da79ba8505820db73e7e5098cb90c2cdd0ee66

General

Target

SsSuaeML7312gbk.exe
Size

683KB
MD5

b228b9a2a36d06fd91d942e464ef16bd
SHA1

8a974471c6336b046f08d17d8ba4c31d7d151b9c
SHA256

108f33743a4ef5a5008a666449da79ba8505820db73e7e5098cb90c2cdd0ee66
SHA512

cb14152f1284087fd4206a27eea79cc4d2f568f3fbc1e1962cf64d1e5b97a4c8d4cce1925fe910dea421f401e8d5c07cf0c632405ff2e26f72873662f9a3ad09

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

C2

https://api.telegram.org/bot1962824736:AAECUA300NkJ2NuTf0cKgva_k26j1y0NNHk/sendMessage?chat_id=457082756

Signatures

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

Matiex Main Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1364-69-0x0000000000400000-0x000000000048C000-memory.dmp	family_matiex
behavioral1/memory/1364-70-0x0000000000400000-0x000000000048C000-memory.dmp	family_matiex
behavioral1/memory/1364-71-0x0000000000400000-0x000000000048C000-memory.dmp	family_matiex
behavioral1/memory/1364-72-0x000000000046E0DE-mapping.dmp	family_matiex
behavioral1/memory/1364-73-0x0000000000400000-0x000000000048C000-memory.dmp	family_matiex
behavioral1/memory/988-76-0x0000000002480000-0x00000000030CA000-memory.dmp	family_matiex

Drops startup file 1 IoCs

Processes:

SsSuaeML7312gbk.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\regeditt.url SsSuaeML7312gbk.exe
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
T1081
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
T1081

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\regeditt.url	SsSuaeML7312gbk.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

SsSuaeML7312gbk.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SsSuaeML7312gbk.exe
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SsSuaeML7312gbk.exe
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SsSuaeML7312gbk.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:

SsSuaeML7312gbk.exe

description pid process target process

PID 588 set thread context of 1364 588 SsSuaeML7312gbk.exe SsSuaeML7312gbk.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1108 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

SsSuaeML7312gbk.exepowershell.exepowershell.exeSsSuaeML7312gbk.exe

pid process

588 SsSuaeML7312gbk.exe
588 SsSuaeML7312gbk.exe
588 SsSuaeML7312gbk.exe
988 powershell.exe
1720 powershell.exe
1364 SsSuaeML7312gbk.exe

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

description	pid	process	target process
PID 588 set thread context of 1364	588	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe

pid	process
1108	schtasks.exe

pid	process
588	SsSuaeML7312gbk.exe
588	SsSuaeML7312gbk.exe
588	SsSuaeML7312gbk.exe
988	powershell.exe
1720	powershell.exe
1364	SsSuaeML7312gbk.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

SsSuaeML7312gbk.exepowershell.exepowershell.exeSsSuaeML7312gbk.exe

description	pid	process
Token: SeDebugPrivilege	588	SsSuaeML7312gbk.exe
Token: SeDebugPrivilege	988	powershell.exe
Token: SeDebugPrivilege	1720	powershell.exe
Token: SeDebugPrivilege	1364	SsSuaeML7312gbk.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

SsSuaeML7312gbk.exe

description	pid	process	target process
PID 588 wrote to memory of 1720	588	SsSuaeML7312gbk.exe	powershell.exe
PID 588 wrote to memory of 1720	588	SsSuaeML7312gbk.exe	powershell.exe
PID 588 wrote to memory of 1720	588	SsSuaeML7312gbk.exe	powershell.exe
PID 588 wrote to memory of 1720	588	SsSuaeML7312gbk.exe	powershell.exe
PID 588 wrote to memory of 988	588	SsSuaeML7312gbk.exe	powershell.exe
PID 588 wrote to memory of 988	588	SsSuaeML7312gbk.exe	powershell.exe
PID 588 wrote to memory of 988	588	SsSuaeML7312gbk.exe	powershell.exe
PID 588 wrote to memory of 988	588	SsSuaeML7312gbk.exe	powershell.exe
PID 588 wrote to memory of 1108	588	SsSuaeML7312gbk.exe	schtasks.exe
PID 588 wrote to memory of 1108	588	SsSuaeML7312gbk.exe	schtasks.exe
PID 588 wrote to memory of 1108	588	SsSuaeML7312gbk.exe	schtasks.exe
PID 588 wrote to memory of 1108	588	SsSuaeML7312gbk.exe	schtasks.exe
PID 588 wrote to memory of 1364	588	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 588 wrote to memory of 1364	588	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 588 wrote to memory of 1364	588	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 588 wrote to memory of 1364	588	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 588 wrote to memory of 1364	588	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 588 wrote to memory of 1364	588	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 588 wrote to memory of 1364	588	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 588 wrote to memory of 1364	588	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 588 wrote to memory of 1364	588	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe

outlook_office_path 1 IoCs

Processes:

SsSuaeML7312gbk.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SsSuaeML7312gbk.exe

outlook_win_path 1 IoCs

Processes:

SsSuaeML7312gbk.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SsSuaeML7312gbk.exe

C:\Users\Admin\AppData\Local\Temp\SsSuaeML7312gbk.exe
"C:\Users\Admin\AppData\Local\Temp\SsSuaeML7312gbk.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:588

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SsSuaeML7312gbk.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1720

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gEvJkZJcG.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:988

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gEvJkZJcG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5B78.tmp"
2⤵
- Creates scheduled task(s)
PID:1108

C:\Users\Admin\AppData\Local\Temp\SsSuaeML7312gbk.exe
"C:\Users\Admin\AppData\Local\Temp\SsSuaeML7312gbk.exe"
2⤵
- Drops startup file
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5B78.tmp

MD5
59898da2f4d520c141831a6ee3565209

SHA1
ea467ff3b443df08860d771f37e9168c3b7a2449

SHA256
30120ff43e8734eefdbdc3831c04c5f13fe514a0cc8102b4efd830e7338c46f6

SHA512
109ea77142c6a4f22fa02be1f776db0d100f1ad70da6c6ce6ad231350d42f6d7bec1b5fbf8bef4eeebfcb7482485d2027e44901604aec395922f781864281f1a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

MD5
ea8e462739c5a08f82b1e1cc7ebffb6d

SHA1
3de837e2470360bbf05c0052e47d677a216e2b1b

SHA256
2c6ab9b033431327effb703776574a3ad05a153ee2ade413f2bd9154e77fa106

SHA512
0bb0e265cec0cf2d345d01a8992cdf22136ccf1aff16fcfa50dc3387892c6eef95dc9139159807344daeb33e87db8f5d297a4488990d9d9bd85f4eb7c705ccaa

Download Submit
memory/588-57-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

Filesize
4KB

Download
memory/588-58-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/588-59-0x0000000005330000-0x0000000005488000-memory.dmp

Filesize
1.3MB

Download
memory/588-55-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

Filesize
4KB

Download
memory/988-78-0x0000000002480000-0x00000000030CA000-memory.dmp

Filesize
12.3MB

Download
memory/988-62-0x0000000000000000-mapping.dmp

Download
memory/988-76-0x0000000002480000-0x00000000030CA000-memory.dmp

Filesize
12.3MB

Download
memory/988-80-0x0000000002480000-0x00000000030CA000-memory.dmp

Filesize
12.3MB

Download
memory/1108-63-0x0000000000000000-mapping.dmp

Download
memory/1364-68-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1364-69-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1364-70-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1364-71-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1364-72-0x000000000046E0DE-mapping.dmp

Download
memory/1364-73-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1364-67-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1364-81-0x0000000002200000-0x0000000002201000-memory.dmp

Filesize
4KB

Download
memory/1720-79-0x0000000002342000-0x0000000002344000-memory.dmp

Filesize
8KB

Download
memory/1720-60-0x0000000000000000-mapping.dmp

Download
memory/1720-77-0x0000000002341000-0x0000000002342000-memory.dmp

Filesize
4KB

Download
memory/1720-61-0x0000000075461000-0x0000000075463000-memory.dmp

Filesize
8KB

Download
memory/1720-75-0x0000000002340000-0x0000000002341000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads