matiex | ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8

General

Target
ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe
Size 518KB
Sample220511-c8wx2seab8
SHA256 ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8
MD5 bcab9a4b6d4d884d692b0f42b9c71f9a
SHA1 156d66188b34e795099a6c5ff6dd56ec25cac3fc
SHA512 8995683354dd4adf765a55a906b837a5c34e8b51cdbfc3981881e19116e1765cbdb75ea623ee822b7d7a18078058e784fd223174bdc28f7ea37675cb589b0537
MD5 SHA1 SHA512

Score

10^/10

matiex collection evasion keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol
smtp
Host
srvc13.turhost.com
Port
587
Username
[email protected]
Password
italik2015

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/3156-140-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.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-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.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
69	checkip.dyndns.org
71	freegeoip.app
72	freegeoip.app

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3768 set thread context of 3156	3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe	106

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2284	3156	WerFault.exe	106

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe
3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe
3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe
3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe
Token: SeDebugPrivilege	3156	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3768 wrote to memory of 1424	3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe	104
PID 3768 wrote to memory of 1424	3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe	104
PID 3768 wrote to memory of 1424	3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe	104
PID 3768 wrote to memory of 2004	3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe	105
PID 3768 wrote to memory of 2004	3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe	105
PID 3768 wrote to memory of 2004	3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe	105
PID 3768 wrote to memory of 3156	3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe	106
PID 3768 wrote to memory of 3156	3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe	106
PID 3768 wrote to memory of 3156	3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe	106
PID 3768 wrote to memory of 3156	3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe	106
PID 3768 wrote to memory of 3156	3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe	106
PID 3768 wrote to memory of 3156	3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe	106
PID 3768 wrote to memory of 3156	3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe	106
PID 3768 wrote to memory of 3156	3768	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe	106

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe

outlook_win_path 1 IoCs

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	ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe

C:\Users\Admin\AppData\Local\Temp\ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe
"C:\Users\Admin\AppData\Local\Temp\ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3768
- C:\Users\Admin\AppData\Local\Temp\ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe
  "C:\Users\Admin\AppData\Local\Temp\ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe"
  2⤵
  PID:1424
- C:\Users\Admin\AppData\Local\Temp\ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe
  "C:\Users\Admin\AppData\Local\Temp\ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe"
  2⤵
  PID:2004
- C:\Users\Admin\AppData\Local\Temp\ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe
  "C:\Users\Admin\AppData\Local\Temp\ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3156
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3156 -s 2032
    3⤵
    - Program crash
    PID:2284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 3156 -ip 3156
1⤵
PID:1760

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

2

T1081

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ad5de4499961e24a515b9fdbe6e51d84535983ba6c68ac5d2ceb4708662b5ee8.exe.log
Size 1KB
SHA256 d2d81c1c9d35bc66149beaa77029bee68664d8512fc1efe373180bab77d61026
MD5 5200da2e50f24d5d543c3f10674acdcb
SHA1 b574a3336839882d799c0a7f635ea238efb934ee
SHA512 24722a7de3250a6027a411c8b79d0720554c4efd59553f54b94ab77dc21efbf3191e0912901db475f08a6e9c1855d9e9594504d80d27300097418f4384a9d9cb
MD5 SHA1 SHA512

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memory/3156-140-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/3768-130-0x0000000000BC0000-0x0000000000C48000-memory.dmp

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memory/3768-131-0x0000000005680000-0x000000000571C000-memory.dmp

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memory/3768-132-0x0000000005CD0000-0x0000000006274000-memory.dmp

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memory/3768-133-0x0000000005720000-0x00000000057B2000-memory.dmp

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memory/3768-134-0x0000000005600000-0x000000000560A000-memory.dmp

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memory/3768-135-0x00000000057C0000-0x0000000005816000-memory.dmp

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memory/3768-136-0x00000000068E0000-0x0000000006946000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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