matiex | f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782

General

Target

f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe
Size

579KB
MD5

f9061b35c7ed637323aac46c5d15d002
SHA1

797b13720bbc9ae30134fb421941e02ba73d7bd4
SHA256

f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782
SHA512

da07e25ae000328dce3ae94e1e8ef7737813767975d400bfceabcc0fb63c75582b274cc07724295e1ff675d9f69c69885946dc276ebd4c8554b4819ce54f2408

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
smtp.porkbun.com
Port:
587
Username:
info@wholesalesltd.xyz
Password:
godisable147

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
C:\Users\Admin\AppData\Local\Temp\tmp.exe	family_matiex
C:\Users\Admin\AppData\Local\Temp\tmp.exe	family_matiex
behavioral2/memory/4356-137-0x0000000000160000-0x00000000001D0000-memory.dmp	family_matiex

Executes dropped EXE 2 IoCs

Processes:

tmp.exesvhost.exe

pid process

4356 tmp.exe
4720 svhost.exe

pid	process
4356	tmp.exe
4720	svhost.exe

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

Processes:

f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.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

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

Processes:

svhost.exetmp.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.exe

Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

41 checkip.dyndns.org
52 freegeoip.app
53 freegeoip.app
54 freegeoip.app

flow	ioc
41	checkip.dyndns.org
52	freegeoip.app
53	freegeoip.app
54	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

Processes:

f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe

description	pid	process	target process
PID 4352 set thread context of 4720	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	svhost.exe

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

System Information Discovery
T1082
NTFS ADS 1 IoCs

Processes:

cmd.exe

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe:Zone.Identifier cmd.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe

pid	process
4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe
4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exesvhost.exetmp.exe

description	pid	process
Token: SeDebugPrivilege	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe
Token: SeDebugPrivilege	4720	svhost.exe
Token: SeDebugPrivilege	4356	tmp.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.execmd.exe

description	pid	process	target process
PID 4352 wrote to memory of 4356	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	tmp.exe
PID 4352 wrote to memory of 4356	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	tmp.exe
PID 4352 wrote to memory of 4356	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	tmp.exe
PID 4352 wrote to memory of 4720	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	svhost.exe
PID 4352 wrote to memory of 4720	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	svhost.exe
PID 4352 wrote to memory of 4720	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	svhost.exe
PID 4352 wrote to memory of 4720	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	svhost.exe
PID 4352 wrote to memory of 4720	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	svhost.exe
PID 4352 wrote to memory of 4720	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	svhost.exe
PID 4352 wrote to memory of 4720	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	svhost.exe
PID 4352 wrote to memory of 4720	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	svhost.exe
PID 4352 wrote to memory of 2296	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	cmd.exe
PID 4352 wrote to memory of 2296	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	cmd.exe
PID 4352 wrote to memory of 2296	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	cmd.exe
PID 4352 wrote to memory of 2316	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	cmd.exe
PID 4352 wrote to memory of 2316	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	cmd.exe
PID 4352 wrote to memory of 2316	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	cmd.exe
PID 2316 wrote to memory of 3696	2316	cmd.exe	reg.exe
PID 2316 wrote to memory of 3696	2316	cmd.exe	reg.exe
PID 2316 wrote to memory of 3696	2316	cmd.exe	reg.exe
PID 4352 wrote to memory of 2476	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	cmd.exe
PID 4352 wrote to memory of 2476	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	cmd.exe
PID 4352 wrote to memory of 2476	4352	f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe	cmd.exe

outlook_office_path 1 IoCs

Processes:

svhost.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.exe

outlook_win_path 1 IoCs

Processes:

svhost.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.exe

C:\Users\Admin\AppData\Local\Temp\f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe
"C:\Users\Admin\AppData\Local\Temp\f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4352

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
PID:4356

C:\Users\Admin\AppData\Local\Temp\svhost.exe
"C:\Users\Admin\AppData\Local\Temp\svhost.exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4720

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782.exe" "%temp%\FolderN\name.exe" /Y
2⤵
PID:2296

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%temp%\FolderN\name.exe.lnk" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:2316

C:\Windows\SysWOW64\reg.exe
reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.lnk" /f
3⤵
PID:3696

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\FolderN\name.exe:Zone.Identifier
2⤵
- NTFS ADS
PID:2476

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\FolderN\name.exe
Filesize
579KB

MD5
f9061b35c7ed637323aac46c5d15d002

SHA1
797b13720bbc9ae30134fb421941e02ba73d7bd4

SHA256
f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782

SHA512
da07e25ae000328dce3ae94e1e8ef7737813767975d400bfceabcc0fb63c75582b274cc07724295e1ff675d9f69c69885946dc276ebd4c8554b4819ce54f2408

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe
Filesize
256KB

MD5
8fdf47e0ff70c40ed3a17014aeea4232

SHA1
e6256a0159688f0560b015da4d967f41cbf8c9bd

SHA256
ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82

SHA512
bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe
Filesize
256KB

MD5
8fdf47e0ff70c40ed3a17014aeea4232

SHA1
e6256a0159688f0560b015da4d967f41cbf8c9bd

SHA256
ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82

SHA512
bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp.exe
Filesize
425KB

MD5
34e884a790a7ef67f7c61108e2b9a177

SHA1
6ad5021f86a6d361a9771001a506ff8b8bf1930a

SHA256
5f1ce1d8e909e4fc999dd5a1fea71103cff35e075750117c8d9e3ec5045f09f0

SHA512
79e5fcd411321f1b09b67cc36a2dbeaf88731bd1ebf41cf53d21ed4d7f476b7193c40c33dcc652d707240ec45818b730732465c2a4a329c8ea7dd4d020aea2e8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp.exe
Filesize
425KB

MD5
34e884a790a7ef67f7c61108e2b9a177

SHA1
6ad5021f86a6d361a9771001a506ff8b8bf1930a

SHA256
5f1ce1d8e909e4fc999dd5a1fea71103cff35e075750117c8d9e3ec5045f09f0

SHA512
79e5fcd411321f1b09b67cc36a2dbeaf88731bd1ebf41cf53d21ed4d7f476b7193c40c33dcc652d707240ec45818b730732465c2a4a329c8ea7dd4d020aea2e8

Download Submit
memory/2296-143-0x0000000000000000-mapping.dmp

Download
memory/2316-144-0x0000000000000000-mapping.dmp

Download
memory/2476-147-0x0000000000000000-mapping.dmp

Download
memory/3696-145-0x0000000000000000-mapping.dmp

Download
memory/4352-130-0x00000000006A0000-0x0000000000736000-memory.dmp

Filesize
600KB

Download
memory/4352-133-0x00000000051E0000-0x0000000005272000-memory.dmp

Filesize
584KB

Download
memory/4352-132-0x0000000005880000-0x0000000005E24000-memory.dmp

Filesize
5.6MB

Download
memory/4352-131-0x00000000050A0000-0x000000000513C000-memory.dmp

Filesize
624KB

Download
memory/4356-134-0x0000000000000000-mapping.dmp

Download
memory/4356-138-0x0000000004C30000-0x0000000004C96000-memory.dmp

Filesize
408KB

Download
memory/4356-137-0x0000000000160000-0x00000000001D0000-memory.dmp

Filesize
448KB

Download
memory/4356-148-0x0000000006350000-0x0000000006512000-memory.dmp

Filesize
1.8MB

Download
memory/4356-149-0x0000000006210000-0x000000000621A000-memory.dmp

Filesize
40KB

Download
memory/4720-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads