matiex | a3a5dc4d5d1b72c1864dca606a47cf8735a464cdf4d24ec74a113960c128d2c6

General

Target

48302a0bd757aab1f869f88f8f5c758b.exe
Size

564KB
MD5

48302a0bd757aab1f869f88f8f5c758b
SHA1

db09b74ab6d38967eb2128e986518cd4f06b90aa
SHA256

a3a5dc4d5d1b72c1864dca606a47cf8735a464cdf4d24ec74a113960c128d2c6
SHA512

188a7f195786687efe4559436fbbc71137f8ab11c95e8baa6794cd8ca2d66dfc61d39c0240d9a530ceeb45a2732ad228adb6d96ef4ea13e06df9fb297dbcf438
SSDEEP

12288:hVWX8yg3/V0nQWVrmCmtHLY4FrsASNMNNoZfGIl0rA5:CMyg3Cr8S+fS

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
mail.samlogistics.pk
Port:
587
Username:
[email protected]
Password:
Khadija@12345!
Email To:
[email protected]

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/4036-12-0x0000000000400000-0x0000000000472000-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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48302a0bd757aab1f869f88f8f5c758b.exe
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48302a0bd757aab1f869f88f8f5c758b.exe
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48302a0bd757aab1f869f88f8f5c758b.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
86	checkip.dyndns.org
98	freegeoip.app
100	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4884 set thread context of 4036	4884	48302a0bd757aab1f869f88f8f5c758b.exe	102

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2420	4036	WerFault.exe	102

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4036	48302a0bd757aab1f869f88f8f5c758b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 4036	4884	48302a0bd757aab1f869f88f8f5c758b.exe	102
PID 4884 wrote to memory of 4036	4884	48302a0bd757aab1f869f88f8f5c758b.exe	102
PID 4884 wrote to memory of 4036	4884	48302a0bd757aab1f869f88f8f5c758b.exe	102
PID 4884 wrote to memory of 4036	4884	48302a0bd757aab1f869f88f8f5c758b.exe	102
PID 4884 wrote to memory of 4036	4884	48302a0bd757aab1f869f88f8f5c758b.exe	102
PID 4884 wrote to memory of 4036	4884	48302a0bd757aab1f869f88f8f5c758b.exe	102
PID 4884 wrote to memory of 4036	4884	48302a0bd757aab1f869f88f8f5c758b.exe	102
PID 4884 wrote to memory of 4036	4884	48302a0bd757aab1f869f88f8f5c758b.exe	102

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48302a0bd757aab1f869f88f8f5c758b.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48302a0bd757aab1f869f88f8f5c758b.exe

C:\Users\Admin\AppData\Local\Temp\48302a0bd757aab1f869f88f8f5c758b.exe
"C:\Users\Admin\AppData\Local\Temp\48302a0bd757aab1f869f88f8f5c758b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4884
- C:\Users\Admin\AppData\Local\Temp\48302a0bd757aab1f869f88f8f5c758b.exe
  "C:\Users\Admin\AppData\Local\Temp\48302a0bd757aab1f869f88f8f5c758b.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4036
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 2016
    3⤵
    - Program crash
    PID:2420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4036 -ip 4036
1⤵
PID:1492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\48302a0bd757aab1f869f88f8f5c758b.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4036-12-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/4036-21-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4036-20-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4036-19-0x0000000006EE0000-0x00000000070A2000-memory.dmp

Filesize
1.8MB

Download
memory/4036-18-0x0000000005760000-0x0000000005770000-memory.dmp

Filesize
64KB

Download
memory/4036-17-0x00000000055B0000-0x0000000005616000-memory.dmp

Filesize
408KB

Download
memory/4036-15-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4884-5-0x0000000007E70000-0x0000000007E7A000-memory.dmp

Filesize
40KB

Download
memory/4884-9-0x0000000008060000-0x0000000008070000-memory.dmp

Filesize
64KB

Download
memory/4884-10-0x0000000009470000-0x00000000094D4000-memory.dmp

Filesize
400KB

Download
memory/4884-11-0x0000000005400000-0x0000000005472000-memory.dmp

Filesize
456KB

Download
memory/4884-8-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4884-7-0x0000000009510000-0x00000000095AC000-memory.dmp

Filesize
624KB

Download
memory/4884-6-0x0000000008310000-0x000000000832C000-memory.dmp

Filesize
112KB

Download
memory/4884-0-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4884-16-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4884-4-0x0000000008060000-0x0000000008070000-memory.dmp

Filesize
64KB

Download
memory/4884-3-0x0000000007E80000-0x0000000007F12000-memory.dmp

Filesize
584KB

Download
memory/4884-2-0x0000000008350000-0x00000000088F4000-memory.dmp

Filesize
5.6MB

Download
memory/4884-1-0x0000000000F00000-0x0000000000F94000-memory.dmp

Filesize
592KB

Download

Analysis

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