matiex | d8a2184f952bf70784f4fb038f3e38e755cdd7a550ade5b39143134fff251710

General

Target

Iterms.exe
Size

545KB
MD5

b1266a94b7dd2553fd9b30c2dfb72ae4
SHA1

0cb3165a1741cf80812ae22cccafb1385fcf4324
SHA256

cf8207bd6ead9bcadcaaaad2940956f75d90a67daf6ddb8dc1907900645a5f69
SHA512

1272483192f36adac3dc5c5feeb0da27456842573e59feb0e36803a17498372ade9c824960c9e2d8368a802ec0208887e1692841f2f76a6220800e18e7eb44e6

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
Ifiiedwin21@gmail.com
Password:
@@@monday

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/5032-139-0x0000000000400000-0x0000000000474000-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

Processes:

Iterms.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation Iterms.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	Iterms.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Iterms.exe

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

29 checkip.dyndns.org
31 freegeoip.app
32 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

Iterms.exe

description pid process target process

PID 408 set thread context of 5032 408 Iterms.exe Iterms.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4820 5032 WerFault.exe Iterms.exe
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

220 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Iterms.exe

pid process

408 Iterms.exe
408 Iterms.exe
408 Iterms.exe
408 Iterms.exe
408 Iterms.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Iterms.exeIterms.exe

description pid process

Token: SeDebugPrivilege 408 Iterms.exe
Token: SeDebugPrivilege 5032 Iterms.exe

flow	ioc
29	checkip.dyndns.org
31	freegeoip.app
32	freegeoip.app

description	pid	process	target process
PID 408 set thread context of 5032	408	Iterms.exe	Iterms.exe

pid	pid_target	process	target process
4820	5032	WerFault.exe	Iterms.exe

pid	process
220	schtasks.exe

pid	process
408	Iterms.exe
408	Iterms.exe
408	Iterms.exe
408	Iterms.exe
408	Iterms.exe

description	pid	process
Token: SeDebugPrivilege	408	Iterms.exe
Token: SeDebugPrivilege	5032	Iterms.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Iterms.exe

description	pid	process	target process
PID 408 wrote to memory of 220	408	Iterms.exe	schtasks.exe
PID 408 wrote to memory of 220	408	Iterms.exe	schtasks.exe
PID 408 wrote to memory of 220	408	Iterms.exe	schtasks.exe
PID 408 wrote to memory of 3180	408	Iterms.exe	Iterms.exe
PID 408 wrote to memory of 3180	408	Iterms.exe	Iterms.exe
PID 408 wrote to memory of 3180	408	Iterms.exe	Iterms.exe
PID 408 wrote to memory of 5032	408	Iterms.exe	Iterms.exe
PID 408 wrote to memory of 5032	408	Iterms.exe	Iterms.exe
PID 408 wrote to memory of 5032	408	Iterms.exe	Iterms.exe
PID 408 wrote to memory of 5032	408	Iterms.exe	Iterms.exe
PID 408 wrote to memory of 5032	408	Iterms.exe	Iterms.exe
PID 408 wrote to memory of 5032	408	Iterms.exe	Iterms.exe
PID 408 wrote to memory of 5032	408	Iterms.exe	Iterms.exe
PID 408 wrote to memory of 5032	408	Iterms.exe	Iterms.exe

outlook_office_path 1 IoCs

Processes:

Iterms.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	Iterms.exe

outlook_win_path 1 IoCs

Processes:

Iterms.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	Iterms.exe

C:\Users\Admin\AppData\Local\Temp\Iterms.exe
"C:\Users\Admin\AppData\Local\Temp\Iterms.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:408

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5999.tmp"
2⤵
- Creates scheduled task(s)
PID:220

C:\Users\Admin\AppData\Local\Temp\Iterms.exe
"{path}"
2⤵
PID:3180

C:\Users\Admin\AppData\Local\Temp\Iterms.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:5032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 2008
3⤵
- Program crash
PID:4820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 5032 -ip 5032
1⤵
PID:4784

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

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\Microsoft\CLR_v4.0_32\UsageLogs\Iterms.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5999.tmp
Filesize
1KB

MD5
ab9f8a9574d9209cd8666decb37e33cc

SHA1
b768b98d37b96bcf5eeeb4bae10589a196b66db2

SHA256
2c052172f943620c36053efd2ab1d6ef9fbb671c55669b9f49430f0f7acd7704

SHA512
5059538580cce17a2c7516e3117297310455e38ff32d51c6e17ef188448ce3567f9c968ad478df725ed2ce8630ceee2340246264a6e60877895591a67d45da70

Download Submit
memory/220-135-0x0000000000000000-mapping.dmp

Download
memory/408-130-0x0000000000330000-0x00000000003BE000-memory.dmp

Filesize
568KB

Download
memory/408-131-0x0000000005240000-0x00000000057E4000-memory.dmp

Filesize
5.6MB

Download
memory/408-132-0x0000000004D70000-0x0000000004E02000-memory.dmp

Filesize
584KB

Download
memory/408-133-0x0000000004F00000-0x0000000004F0A000-memory.dmp

Filesize
40KB

Download
memory/408-134-0x0000000008520000-0x00000000085BC000-memory.dmp

Filesize
624KB

Download
memory/3180-137-0x0000000000000000-mapping.dmp

Download
memory/5032-138-0x0000000000000000-mapping.dmp

Download
memory/5032-139-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/5032-141-0x00000000055E0000-0x0000000005646000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads