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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1556-70-0x0000000000400000-0x000000000048C000-memory.dmp	family_matiex
behavioral1/memory/1556-71-0x0000000000400000-0x000000000048C000-memory.dmp	family_matiex
behavioral1/memory/1556-73-0x000000000046E0DE-mapping.dmp	family_matiex
behavioral1/memory/1556-72-0x0000000000400000-0x000000000048C000-memory.dmp	family_matiex
behavioral1/memory/1556-74-0x0000000000400000-0x000000000048C000-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-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SsSuaeML7312gbk.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SsSuaeML7312gbk.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\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
9 freegeoip.app
10 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

SsSuaeML7312gbk.exe

description pid process target process

PID 764 set thread context of 1556 764 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

808 schtasks.exe

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

description	pid	process	target process
PID 764 set thread context of 1556	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe

pid	process
808	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

SsSuaeML7312gbk.exepowershell.exepowershell.exeSsSuaeML7312gbk.exe

pid	process
764	SsSuaeML7312gbk.exe
764	SsSuaeML7312gbk.exe
764	SsSuaeML7312gbk.exe
764	SsSuaeML7312gbk.exe
764	SsSuaeML7312gbk.exe
764	SsSuaeML7312gbk.exe
764	SsSuaeML7312gbk.exe
844	powershell.exe
336	powershell.exe
1556	SsSuaeML7312gbk.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

SsSuaeML7312gbk.exeSsSuaeML7312gbk.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	764	SsSuaeML7312gbk.exe
Token: SeDebugPrivilege	1556	SsSuaeML7312gbk.exe
Token: SeDebugPrivilege	336	powershell.exe
Token: SeDebugPrivilege	844	powershell.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

SsSuaeML7312gbk.exe

description	pid	process	target process
PID 764 wrote to memory of 336	764	SsSuaeML7312gbk.exe	powershell.exe
PID 764 wrote to memory of 336	764	SsSuaeML7312gbk.exe	powershell.exe
PID 764 wrote to memory of 336	764	SsSuaeML7312gbk.exe	powershell.exe
PID 764 wrote to memory of 336	764	SsSuaeML7312gbk.exe	powershell.exe
PID 764 wrote to memory of 844	764	SsSuaeML7312gbk.exe	powershell.exe
PID 764 wrote to memory of 844	764	SsSuaeML7312gbk.exe	powershell.exe
PID 764 wrote to memory of 844	764	SsSuaeML7312gbk.exe	powershell.exe
PID 764 wrote to memory of 844	764	SsSuaeML7312gbk.exe	powershell.exe
PID 764 wrote to memory of 808	764	SsSuaeML7312gbk.exe	schtasks.exe
PID 764 wrote to memory of 808	764	SsSuaeML7312gbk.exe	schtasks.exe
PID 764 wrote to memory of 808	764	SsSuaeML7312gbk.exe	schtasks.exe
PID 764 wrote to memory of 808	764	SsSuaeML7312gbk.exe	schtasks.exe
PID 764 wrote to memory of 1036	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 764 wrote to memory of 1036	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 764 wrote to memory of 1036	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 764 wrote to memory of 1036	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 764 wrote to memory of 988	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 764 wrote to memory of 988	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 764 wrote to memory of 988	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 764 wrote to memory of 988	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 764 wrote to memory of 1556	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 764 wrote to memory of 1556	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 764 wrote to memory of 1556	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 764 wrote to memory of 1556	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 764 wrote to memory of 1556	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 764 wrote to memory of 1556	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 764 wrote to memory of 1556	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 764 wrote to memory of 1556	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe
PID 764 wrote to memory of 1556	764	SsSuaeML7312gbk.exe	SsSuaeML7312gbk.exe

outlook_office_path 1 IoCs

Processes:

SsSuaeML7312gbk.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\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-1-5-21-2955169046-2371869340-1800780948-1000\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:764

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:336

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:844

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gEvJkZJcG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBCAB.tmp"
2⤵
- Creates scheduled task(s)
PID:808

C:\Users\Admin\AppData\Local\Temp\SsSuaeML7312gbk.exe
"C:\Users\Admin\AppData\Local\Temp\SsSuaeML7312gbk.exe"
2⤵
PID:1036

C:\Users\Admin\AppData\Local\Temp\SsSuaeML7312gbk.exe
"C:\Users\Admin\AppData\Local\Temp\SsSuaeML7312gbk.exe"
2⤵
PID:988

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:1556

Network

MITRE ATT&CK Matrix ATT&CK 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

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBCAB.tmp
MD5
d0b1e9eaddf01be72f5c72781f91eb02

SHA1
9a2f058d72af1d2ef9f6f6038e31cf82e1bce9e6

SHA256
29682446f07bd2a69b497390af50dbf2eef5cfd8bbdeb3dd632bfdaa5a8cdb2a

SHA512
7de186ebc1ef2223cd5ee17a34c73b09d7f734b6041e895ed5aff9269e823cb3b431700ff038e3416bda24b9fa163658802d214583074243b2bb58eaa5337cb6

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD5
f9733aa4b70dc9d0f9a21f6fdc3eeb06

SHA1
a726e5fbb3cad1b2c2e6f03a20cc84e6a80f4283

SHA256
6067d7e16b8d2fe8af0b69510417fc1ed499e550f269a3b9f2b2b7ce92bed654

SHA512
711947b4f4d94c438131ddf4448cbc2529e47fbd5b7588bf6ee3bc6a4741d4abd549567c4fc30808745f1d25ebd4ce1f7e42b86cd56c2e2278905cec697b5acf

Download Submit
memory/336-82-0x00000000025B2000-0x00000000025B4000-memory.dmp

Filesize
8KB

Download
memory/336-61-0x0000000000000000-mapping.dmp

Download
memory/336-76-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/336-79-0x00000000025B1000-0x00000000025B2000-memory.dmp

Filesize
4KB

Download
memory/764-57-0x00000000754A1000-0x00000000754A3000-memory.dmp

Filesize
8KB

Download
memory/764-58-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/764-59-0x00000000005B0000-0x00000000005B7000-memory.dmp

Filesize
28KB

Download
memory/764-60-0x00000000055B0000-0x0000000005708000-memory.dmp

Filesize
1.3MB

Download
memory/764-55-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/808-64-0x0000000000000000-mapping.dmp

Download
memory/844-81-0x0000000002302000-0x0000000002304000-memory.dmp

Filesize
8KB

Download
memory/844-78-0x0000000002301000-0x0000000002302000-memory.dmp

Filesize
4KB

Download
memory/844-63-0x0000000000000000-mapping.dmp

Download
memory/844-77-0x0000000002300000-0x0000000002301000-memory.dmp

Filesize
4KB

Download
memory/1556-71-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1556-73-0x000000000046E0DE-mapping.dmp

Download
memory/1556-72-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1556-74-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1556-70-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1556-69-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1556-80-0x0000000004EC0000-0x0000000004EC1000-memory.dmp

Filesize
4KB

Download
memory/1556-68-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads