matiex | d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324

General

Target

d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
Size

269KB
MD5

9496bc692308860f1808a6b141eb7df7
SHA1

80b84b08547382757898af00968f34ff5bfec31b
SHA256

d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324
SHA512

731dbc22b4691de0d686598cea6ccdf1d1911d1f0349eda69a5627b4d709377a6669f3969f61ba5b75fcafb366d920d1dcac35ac722a2efb9eb1f9e241b5e004
SSDEEP

6144:ibXGFYBiXBE1py3uDjvrTRQgy8xwm7DVK:bOBiXBIiuXvHigy8xwmPVK

Score

10^/10

matiex keylogger stealer

Malware Config

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/5044-154-0x0000000000400000-0x0000000000426000-memory.dmp	family_matiex

Drops startup file 4 IoCs

Processes:

Powershell.exepOwERsHeLl.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System.exe	Powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sym.exe	pOwERsHeLl.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sym.exe	pOwERsHeLl.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

53 checkip.dyndns.org
55 freegeoip.app

flow	ioc
53	checkip.dyndns.org
55	freegeoip.app

Suspicious use of SetThreadContext 2 IoCs

Processes:

d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exed256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe

description	pid	process	target process
PID 1664 set thread context of 1232	1664	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
PID 1232 set thread context of 5044	1232	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2220 5044 WerFault.exe d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

pOwERsHeLl.exePowershell.exe

pid process

4148 pOwERsHeLl.exe
4148 pOwERsHeLl.exe
3416 Powershell.exe
3416 Powershell.exe

pid	pid_target	process	target process
2220	5044	WerFault.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe

pid	process
4148	pOwERsHeLl.exe
4148	pOwERsHeLl.exe
3416	Powershell.exe
3416	Powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

pOwERsHeLl.exePowershell.exed256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe

description	pid	process
Token: SeDebugPrivilege	4148	pOwERsHeLl.exe
Token: SeDebugPrivilege	3416	Powershell.exe
Token: SeDebugPrivilege	5044	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exed256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe

C:\Users\Admin\AppData\Local\Temp\d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
"C:\Users\Admin\AppData\Local\Temp\d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1664

C:\Users\Admin\AppData\Local\Temp\d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
"C:\Users\Admin\AppData\Local\Temp\d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1232

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System.exe'
3⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3416

C:\Users\Admin\AppData\Local\Temp\d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
"C:\Users\Admin\AppData\Local\Temp\d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:5044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 1768
4⤵
- Program crash
PID:2220

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\pOwERsHeLl.exe
"pOwERsHeLl.exe" Copy-Item 'C:\Users\Admin\AppData\Local\Temp\d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sym.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5044 -ip 5044
1⤵
PID:392

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Powershell.exe.log
Filesize
1KB

MD5
def65711d78669d7f8e69313be4acf2e

SHA1
6522ebf1de09eeb981e270bd95114bc69a49cda6

SHA256
aa1c97cdbce9a848f1db2ad483f19caa535b55a3a1ef2ad1260e0437002bc82c

SHA512
05b2f9cd9bc3b46f52fded320b68e05f79b2b3ceaeb13e5d87ae9f8cd8e6c90bbb4ffa4da8192c2bfe0f58826cabff2e99e7c5cc8dd47037d4eb7bfc6f2710a7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe.log
Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
15KB

MD5
0a10bf497a5c1a6834d53edc71d69071

SHA1
8b128c74acfb9fede7c6797b665e04b681fafd1b

SHA256
35f71eaaa3f4a831d525c8766aa3de7f1eb8c8e97f3a74771b3ac95518012497

SHA512
f5f43568b4fd7932679c8f46795764fdca394b34a96155f57517cfad947f6a6213ccd93f73380c98f39e6f2868de4ec3faf4ed4acea99362e62f9b984298de2a

Download Submit
memory/1232-138-0x0000000000000000-mapping.dmp

Download
memory/1232-139-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/1664-132-0x0000000000370000-0x00000000003BA000-memory.dmp

Filesize
296KB

Download
memory/1664-133-0x0000000004D90000-0x0000000004E2C000-memory.dmp

Filesize
624KB

Download
memory/1664-134-0x00000000054A0000-0x0000000005A44000-memory.dmp

Filesize
5.6MB

Download
memory/1664-135-0x0000000004E30000-0x0000000004EC2000-memory.dmp

Filesize
584KB

Download
memory/1664-136-0x0000000004D60000-0x0000000004D6A000-memory.dmp

Filesize
40KB

Download
memory/1664-137-0x0000000005050000-0x00000000050A6000-memory.dmp

Filesize
344KB

Download
memory/3416-150-0x0000000000000000-mapping.dmp

Download
memory/4148-144-0x00000000052E0000-0x0000000005346000-memory.dmp

Filesize
408KB

Download
memory/4148-145-0x0000000005B50000-0x0000000005BB6000-memory.dmp

Filesize
408KB

Download
memory/4148-146-0x0000000006100000-0x000000000611E000-memory.dmp

Filesize
120KB

Download
memory/4148-147-0x0000000007130000-0x00000000071C6000-memory.dmp

Filesize
600KB

Download
memory/4148-148-0x0000000006650000-0x000000000666A000-memory.dmp

Filesize
104KB

Download
memory/4148-149-0x00000000066D0000-0x00000000066F2000-memory.dmp

Filesize
136KB

Download
memory/4148-143-0x00000000050C0000-0x00000000050E2000-memory.dmp

Filesize
136KB

Download
memory/4148-142-0x00000000053B0000-0x00000000059D8000-memory.dmp

Filesize
6.2MB

Download
memory/4148-141-0x00000000028B0000-0x00000000028E6000-memory.dmp

Filesize
216KB

Download
memory/4148-140-0x0000000000000000-mapping.dmp

Download
memory/5044-153-0x0000000000000000-mapping.dmp

Download
memory/5044-154-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

description	pid	process	target process
PID 1664 wrote to memory of 1232	1664	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
PID 1664 wrote to memory of 1232	1664	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
PID 1664 wrote to memory of 1232	1664	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
PID 1664 wrote to memory of 1232	1664	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
PID 1664 wrote to memory of 1232	1664	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
PID 1664 wrote to memory of 1232	1664	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
PID 1664 wrote to memory of 1232	1664	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
PID 1664 wrote to memory of 1232	1664	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
PID 1664 wrote to memory of 4148	1664	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	pOwERsHeLl.exe
PID 1664 wrote to memory of 4148	1664	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	pOwERsHeLl.exe
PID 1664 wrote to memory of 4148	1664	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	pOwERsHeLl.exe
PID 1232 wrote to memory of 3416	1232	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	Powershell.exe
PID 1232 wrote to memory of 3416	1232	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	Powershell.exe
PID 1232 wrote to memory of 3416	1232	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	Powershell.exe
PID 1232 wrote to memory of 5044	1232	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
PID 1232 wrote to memory of 5044	1232	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
PID 1232 wrote to memory of 5044	1232	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
PID 1232 wrote to memory of 5044	1232	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
PID 1232 wrote to memory of 5044	1232	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
PID 1232 wrote to memory of 5044	1232	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
PID 1232 wrote to memory of 5044	1232	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe
PID 1232 wrote to memory of 5044	1232	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe	d256e544c1dbe5a7d111af512e899bf0f81208bc2cc8ca5fba8c701ac7691324.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads