matiex | b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338

General

Target
b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe
Size 550KB
Sample220511-rfw5nscbdn
SHA256 b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338
MD5 6d0c349b72dd37e9823d2a81f2113304
SHA1 cd737b92b9d1168f7394fb67919ebfc6fe24220a
SHA512 0c465d4a502c75be2f2c812535e1938670cdef7850731be67718e05ccd5d49a88575ec67b07bd356f3da2a2d26ce27f00a2225694965a00769f61282a73cb3c6
MD5 SHA1 SHA512

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol
smtp
Host
smtp.yandex.com
Port
587
Username
[email protected]
Password
Thankgod180

Signatures

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

Matiex Main Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4340-136-0x0000000000400000-0x0000000000476000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.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.

flow	ioc
19	freegeoip.app
20	freegeoip.app
17	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2920 set thread context of 4340	2920	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe	84

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

pid	pid_target	Process	procid_target
1016	4340	WerFault.exe	84

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

pid	Process
4464	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2920	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe
2920	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe
2920	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4340	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2920	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe
Token: SeDebugPrivilege	4340	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 4464	2920	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe	82
PID 2920 wrote to memory of 4464	2920	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe	82
PID 2920 wrote to memory of 4464	2920	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe	82
PID 2920 wrote to memory of 4340	2920	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe	84
PID 2920 wrote to memory of 4340	2920	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe	84
PID 2920 wrote to memory of 4340	2920	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe	84
PID 2920 wrote to memory of 4340	2920	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe	84
PID 2920 wrote to memory of 4340	2920	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe	84
PID 2920 wrote to memory of 4340	2920	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe	84
PID 2920 wrote to memory of 4340	2920	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe	84
PID 2920 wrote to memory of 4340	2920	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe

C:\Users\Admin\AppData\Local\Temp\b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe
"C:\Users\Admin\AppData\Local\Temp\b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VsyemdFWKe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAB44.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4464
- C:\Users\Admin\AppData\Local\Temp\b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4340 -s 2024
    3⤵
    - Program crash
    PID:1016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4340 -ip 4340
1⤵
PID:1428

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b007118d018e0a31516f487bad361ee2d815ad3dc452220abe8a8a14da08a338.exe.log
Size 412B
SHA256 8317f594f74040b50e1b88f4aba5e6da3423bf47fe91df59e6e85f37b1f7e0ab
MD5 e72888b5960716cf170f3e1becd14370
SHA1 0aeefd2d4a7948a03aad625ca86fc34d79adf248
SHA512 9cdfda6fc4f324dfd8d53b46610114252431a5d26296a6f3d606b8ffeef172263fbde9ce0a1b2b9232dabcdabd33d6677e9a5f7693b175f24cea622c31b5c6b7
MD5 SHA1 SHA512

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tmpAB44.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpAB44.tmp
Size 1KB
SHA256 2b6d61b01321c6ed0f914d2090bf306e6af1b64584c669fba4ce20c920aba933
MD5 c37d98d594f8afaf5c6027e0c8df77d3
SHA1 7314ee0a8877d25a2b46b512da29c45ee18abda6
SHA512 70c755e4051343074b507ba3e0d023a325e6bbf7033b8cc84baaf97ceddab4c7198888a2341cf48e6652e8072433524aadf763bdf69558926f0b8d7c8c5a1360
MD5 SHA1 SHA512

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memory/2920-130-0x0000000000550000-0x00000000005E0000-memory.dmp

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memory/2920-131-0x0000000004F70000-0x000000000500C000-memory.dmp

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memory/2920-132-0x00000000050F0000-0x0000000005182000-memory.dmp

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memory/4340-136-0x0000000000400000-0x0000000000476000-memory.dmp

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memory/4340-138-0x0000000005B70000-0x0000000006114000-memory.dmp

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memory/4340-139-0x0000000005660000-0x00000000056C6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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