matiex | 184b7a500fad91c069dea731aed972920edd53757f15b92fade356fe043e1610

General

Target

REVISED_.exe
Size

579KB
MD5

cbfb94a41abae103511d729b00687c7a
SHA1

f491f44fbbaafb97275cc90ecaa37926534a6151
SHA256

b9d37ce3380de623e8225b466fcd061db7f7828a2e39deace159e5c7f3455015
SHA512

77bfe24a4b0dcc0badcf0b33fd1da5335fadf0e366db4411b0ca130fecefa288006c06cf5bf363edd1b038619e1f8654e0e88020c454e4b0399d906c17128a59

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
mrruben0094

Signatures

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

Matiex Main Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5028-151-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex

Drops startup file 2 IoCs

Processes:

pOwERsHeLl.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System.exe	pOwERsHeLl.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System.exe	pOwERsHeLl.exe

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 3 IoCs

collection

Email Collection

T1114

Processes:

REVISED_.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISED_.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISED_.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISED_.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

56 freegeoip.app
53 checkip.dyndns.org
55 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

REVISED_.exe

description pid process target process

PID 2900 set thread context of 5028 2900 REVISED_.exe REVISED_.exe

flow	ioc
56	freegeoip.app
53	checkip.dyndns.org
55	freegeoip.app

description	pid	process	target process
PID 2900 set thread context of 5028	2900	REVISED_.exe	REVISED_.exe

Drops file in Windows directory 6 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

pOwERsHeLl.exeREVISED_.exeREVISED_.exe

pid process

3620 pOwERsHeLl.exe
3620 pOwERsHeLl.exe
2900 REVISED_.exe
2900 REVISED_.exe
5028 REVISED_.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

REVISED_.exe

pid process

5028 REVISED_.exe

pid	process
3620	pOwERsHeLl.exe
3620	pOwERsHeLl.exe
2900	REVISED_.exe
2900	REVISED_.exe
5028	REVISED_.exe

pid	process
5028	REVISED_.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

svchost.exepOwERsHeLl.exeREVISED_.exeREVISED_.exe

description	pid	process
Token: SeShutdownPrivilege	4608	svchost.exe
Token: SeCreatePagefilePrivilege	4608	svchost.exe
Token: SeShutdownPrivilege	4608	svchost.exe
Token: SeCreatePagefilePrivilege	4608	svchost.exe
Token: SeShutdownPrivilege	4608	svchost.exe
Token: SeCreatePagefilePrivilege	4608	svchost.exe
Token: SeDebugPrivilege	3620	pOwERsHeLl.exe
Token: SeDebugPrivilege	2900	REVISED_.exe
Token: SeDebugPrivilege	5028	REVISED_.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

REVISED_.exe

pid process

5028 REVISED_.exe

pid	process
5028	REVISED_.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

REVISED_.exe

description	pid	process	target process
PID 2900 wrote to memory of 3620	2900	REVISED_.exe	pOwERsHeLl.exe
PID 2900 wrote to memory of 3620	2900	REVISED_.exe	pOwERsHeLl.exe
PID 2900 wrote to memory of 3620	2900	REVISED_.exe	pOwERsHeLl.exe
PID 2900 wrote to memory of 3924	2900	REVISED_.exe	REVISED_.exe
PID 2900 wrote to memory of 3924	2900	REVISED_.exe	REVISED_.exe
PID 2900 wrote to memory of 3924	2900	REVISED_.exe	REVISED_.exe
PID 2900 wrote to memory of 5028	2900	REVISED_.exe	REVISED_.exe
PID 2900 wrote to memory of 5028	2900	REVISED_.exe	REVISED_.exe
PID 2900 wrote to memory of 5028	2900	REVISED_.exe	REVISED_.exe
PID 2900 wrote to memory of 5028	2900	REVISED_.exe	REVISED_.exe
PID 2900 wrote to memory of 5028	2900	REVISED_.exe	REVISED_.exe
PID 2900 wrote to memory of 5028	2900	REVISED_.exe	REVISED_.exe
PID 2900 wrote to memory of 5028	2900	REVISED_.exe	REVISED_.exe
PID 2900 wrote to memory of 5028	2900	REVISED_.exe	REVISED_.exe

outlook_office_path 1 IoCs

Processes:

REVISED_.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISED_.exe

outlook_win_path 1 IoCs

Processes:

REVISED_.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISED_.exe

C:\Users\Admin\AppData\Local\Temp\REVISED_.exe
"C:\Users\Admin\AppData\Local\Temp\REVISED_.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2900

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\pOwERsHeLl.exe
"pOwERsHeLl.exe" Copy-Item 'C:\Users\Admin\AppData\Local\Temp\REVISED_.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3620

C:\Users\Admin\AppData\Local\Temp\REVISED_.exe
"C:\Users\Admin\AppData\Local\Temp\REVISED_.exe"
2⤵
PID:3924

C:\Users\Admin\AppData\Local\Temp\REVISED_.exe
"C:\Users\Admin\AppData\Local\Temp\REVISED_.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:5028

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4608

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

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\Microsoft\CLR_v4.0_32\UsageLogs\REVISED_.exe.log
MD5
2d90411ca2e4d7ef408e783585795907

SHA1
fb22747c207d8cdea79b181361004416c5a8fd10

SHA256
aba1796b97761c6801df3fd42f47e207bb4e2c355444140adcb196ed464f8a31

SHA512
c3a3fb4b59e09e62d8e77ebd2d0471d9d5b9cf46f28f2e4aa21ace7faf37dd6c0e99b17c5d1dac2394e41268d3d3b788aafe275e33ff6c268858c99e22c4ce00

Download Submit
memory/2900-138-0x00000000055B0000-0x00000000055B1000-memory.dmp

Filesize
4KB

Download
memory/2900-131-0x000000007477E000-0x000000007477F000-memory.dmp

Filesize
4KB

Download
memory/2900-132-0x00000000055E0000-0x000000000567C000-memory.dmp

Filesize
624KB

Download
memory/2900-150-0x00000000059D0000-0x0000000005A62000-memory.dmp

Filesize
584KB

Download
memory/2900-130-0x0000000000BA0000-0x0000000000C36000-memory.dmp

Filesize
600KB

Download
memory/3620-144-0x0000000006170000-0x00000000061D6000-memory.dmp

Filesize
408KB

Download
memory/3620-147-0x0000000006CB0000-0x0000000006CCA000-memory.dmp

Filesize
104KB

Download
memory/3620-136-0x0000000002ED0000-0x0000000002F06000-memory.dmp

Filesize
216KB

Download
memory/3620-139-0x000000007477E000-0x000000007477F000-memory.dmp

Filesize
4KB

Download
memory/3620-140-0x00000000053A0000-0x00000000053A1000-memory.dmp

Filesize
4KB

Download
memory/3620-141-0x00000000053A2000-0x00000000053A3000-memory.dmp

Filesize
4KB

Download
memory/3620-142-0x0000000005940000-0x0000000005962000-memory.dmp

Filesize
136KB

Download
memory/3620-143-0x0000000006100000-0x0000000006166000-memory.dmp

Filesize
408KB

Download
memory/3620-149-0x0000000008020000-0x00000000085C4000-memory.dmp

Filesize
5.6MB

Download
memory/3620-145-0x00000000067F0000-0x000000000680E000-memory.dmp

Filesize
120KB

Download
memory/3620-146-0x00000000079D0000-0x0000000007A66000-memory.dmp

Filesize
600KB

Download
memory/3620-137-0x00000000059E0000-0x0000000006008000-memory.dmp

Filesize
6.2MB

Download
memory/3620-148-0x0000000006D00000-0x0000000006D22000-memory.dmp

Filesize
136KB

Download
memory/4608-135-0x0000017BCFEC0000-0x0000017BCFEC4000-memory.dmp

Filesize
16KB

Download
memory/4608-134-0x0000017BCD1A0000-0x0000017BCD1B0000-memory.dmp

Filesize
64KB

Download
memory/4608-133-0x0000017BCD140000-0x0000017BCD150000-memory.dmp

Filesize
64KB

Download
memory/5028-151-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/5028-153-0x000000007477E000-0x000000007477F000-memory.dmp

Filesize
4KB

Download
memory/5028-154-0x0000000005710000-0x0000000005711000-memory.dmp

Filesize
4KB

Download
memory/5028-155-0x00000000070A0000-0x00000000070AA000-memory.dmp

Filesize
40KB

Download
memory/5028-156-0x0000000007650000-0x0000000007812000-memory.dmp

Filesize
1.8MB

Download
memory/5028-157-0x0000000005713000-0x0000000005715000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads