matiex | 42ff1648e53d0054bc7c4a5c8a5db648c2a3405415d441c7d5801e52f56bf7a7

General

Target

Required Order Details 0099299.exe
Size

1.1MB
MD5

3bcae8c41a076a0803c99fea75f2aa87
SHA1

f2c1b01afcc3a3af6d947b39419bb4531daa8945
SHA256

42ff1648e53d0054bc7c4a5c8a5db648c2a3405415d441c7d5801e52f56bf7a7
SHA512

220880b1422811db1d9cd79030ea8005a7921ecabb580a3ed537d68bb068005f98b14a87e1f90f796d0d506ccd37675c9153a84e2ea0096bc45d55534f5e4113

Score

10^/10

matiex keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
mail.thts.vn
Port:
25
Username:
[email protected]
Password:
123luongngan1989

Signatures

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

Matiex Main Payload 4 IoCs

resource	yara_rule
behavioral1/memory/432-66-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex
behavioral1/memory/432-67-0x000000000046D95E-mapping.dmp	family_matiex
behavioral1/memory/432-68-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex
behavioral1/memory/1712-72-0x00000000007E0000-0x0000000000840000-memory.dmp	family_matiex

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

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
5	checkip.dyndns.org
9	freegeoip.app
10	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1724 set thread context of 432	1724	Required Order Details 0099299.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1712	432	WerFault.exe	29

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1712	WerFault.exe
1712	WerFault.exe
1712	WerFault.exe
1712	WerFault.exe
1712	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	Required Order Details 0099299.exe
Token: SeDebugPrivilege	432	Required Order Details 0099299.exe
Token: SeDebugPrivilege	1712	WerFault.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 432	1724	Required Order Details 0099299.exe	29
PID 1724 wrote to memory of 432	1724	Required Order Details 0099299.exe	29
PID 1724 wrote to memory of 432	1724	Required Order Details 0099299.exe	29
PID 1724 wrote to memory of 432	1724	Required Order Details 0099299.exe	29
PID 1724 wrote to memory of 432	1724	Required Order Details 0099299.exe	29
PID 1724 wrote to memory of 432	1724	Required Order Details 0099299.exe	29
PID 1724 wrote to memory of 432	1724	Required Order Details 0099299.exe	29
PID 1724 wrote to memory of 432	1724	Required Order Details 0099299.exe	29
PID 1724 wrote to memory of 432	1724	Required Order Details 0099299.exe	29
PID 432 wrote to memory of 1712	432	Required Order Details 0099299.exe	31
PID 432 wrote to memory of 1712	432	Required Order Details 0099299.exe	31
PID 432 wrote to memory of 1712	432	Required Order Details 0099299.exe	31
PID 432 wrote to memory of 1712	432	Required Order Details 0099299.exe	31

C:\Users\Admin\AppData\Local\Temp\Required Order Details 0099299.exe
"C:\Users\Admin\AppData\Local\Temp\Required Order Details 0099299.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\Required Order Details 0099299.exe
  "C:\Users\Admin\AppData\Local\Temp\Required Order Details 0099299.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:432
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 432 -s 1816
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1712

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/432-66-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/432-68-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/432-70-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/1712-72-0x00000000007E0000-0x0000000000840000-memory.dmp

Filesize
384KB

Download
memory/1724-60-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

Filesize
4KB

Download
memory/1724-62-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/1724-63-0x0000000000370000-0x000000000039D000-memory.dmp

Filesize
180KB

Download
memory/1724-64-0x0000000005E50000-0x0000000005ED7000-memory.dmp

Filesize
540KB

Download
memory/1724-65-0x0000000008DE0000-0x0000000008E53000-memory.dmp

Filesize
460KB

Download

Analysis

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