matiex | 7cea033f51a991529c382fa2e8f87b84c4d096610dc5d191b005e5db6bbd7581

General

Target

Mj1eX5GWJxDRnuk.exe
Size

801KB
MD5

0a15abc755513fa5540383224e716007
SHA1

977b99a636046d643c056f241db30dd07c92edf5
SHA256

7cea033f51a991529c382fa2e8f87b84c4d096610dc5d191b005e5db6bbd7581
SHA512

9a564caafecde53867d1b7e7af97ec2690fdb5dbf744be436e8126c2dd0973c5c5e818ac6d300fe89f399df2e07850ceadc489d4356e7521aee115ac02d4944e

Score

10^/10

matiex keylogger stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
sales01@seedwellresources.xyz
Password:
MARYolanmauluogwo@ever

Signatures

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

Matiex Main Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/440-9-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/440-10-0x000000000047095E-mapping.dmp	family_matiex
behavioral1/memory/440-12-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/440-11-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

9 freegeoip.app
10 freegeoip.app
4 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Mj1eX5GWJxDRnuk.exe

description pid process target process

PID 1580 set thread context of 440 1580 Mj1eX5GWJxDRnuk.exe Mj1eX5GWJxDRnuk.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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

Processes:

schtasks.exe

pid process

1408 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Mj1eX5GWJxDRnuk.exeMj1eX5GWJxDRnuk.exe

pid process

1580 Mj1eX5GWJxDRnuk.exe
440 Mj1eX5GWJxDRnuk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Mj1eX5GWJxDRnuk.exeMj1eX5GWJxDRnuk.exe

description pid process

Token: SeDebugPrivilege 1580 Mj1eX5GWJxDRnuk.exe
Token: SeDebugPrivilege 440 Mj1eX5GWJxDRnuk.exe

flow	ioc
9	freegeoip.app
10	freegeoip.app
4	checkip.dyndns.org

description	pid	process	target process
PID 1580 set thread context of 440	1580	Mj1eX5GWJxDRnuk.exe	Mj1eX5GWJxDRnuk.exe

pid	process
1408	schtasks.exe

pid	process
1580	Mj1eX5GWJxDRnuk.exe
440	Mj1eX5GWJxDRnuk.exe

description	pid	process
Token: SeDebugPrivilege	1580	Mj1eX5GWJxDRnuk.exe
Token: SeDebugPrivilege	440	Mj1eX5GWJxDRnuk.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Mj1eX5GWJxDRnuk.exe

description	pid	process	target process
PID 1580 wrote to memory of 1408	1580	Mj1eX5GWJxDRnuk.exe	schtasks.exe
PID 1580 wrote to memory of 1408	1580	Mj1eX5GWJxDRnuk.exe	schtasks.exe
PID 1580 wrote to memory of 1408	1580	Mj1eX5GWJxDRnuk.exe	schtasks.exe
PID 1580 wrote to memory of 1408	1580	Mj1eX5GWJxDRnuk.exe	schtasks.exe
PID 1580 wrote to memory of 440	1580	Mj1eX5GWJxDRnuk.exe	Mj1eX5GWJxDRnuk.exe
PID 1580 wrote to memory of 440	1580	Mj1eX5GWJxDRnuk.exe	Mj1eX5GWJxDRnuk.exe
PID 1580 wrote to memory of 440	1580	Mj1eX5GWJxDRnuk.exe	Mj1eX5GWJxDRnuk.exe
PID 1580 wrote to memory of 440	1580	Mj1eX5GWJxDRnuk.exe	Mj1eX5GWJxDRnuk.exe
PID 1580 wrote to memory of 440	1580	Mj1eX5GWJxDRnuk.exe	Mj1eX5GWJxDRnuk.exe
PID 1580 wrote to memory of 440	1580	Mj1eX5GWJxDRnuk.exe	Mj1eX5GWJxDRnuk.exe
PID 1580 wrote to memory of 440	1580	Mj1eX5GWJxDRnuk.exe	Mj1eX5GWJxDRnuk.exe
PID 1580 wrote to memory of 440	1580	Mj1eX5GWJxDRnuk.exe	Mj1eX5GWJxDRnuk.exe
PID 1580 wrote to memory of 440	1580	Mj1eX5GWJxDRnuk.exe	Mj1eX5GWJxDRnuk.exe

C:\Users\Admin\AppData\Local\Temp\Mj1eX5GWJxDRnuk.exe
"C:\Users\Admin\AppData\Local\Temp\Mj1eX5GWJxDRnuk.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1580

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kIJjFFH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8F54.tmp"
2⤵
- Creates scheduled task(s)
PID:1408

C:\Users\Admin\AppData\Local\Temp\Mj1eX5GWJxDRnuk.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:440

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8F54.tmp
MD5
f7d82e81d211030529238690888dddc1

SHA1
fce84d3e73aa91ea773f578eddb879da1bb06d39

SHA256
c2ba97e77e439c956dfe030fd547cbd8c8de290535d066544866b1def86b930b

SHA512
3fce62aadb7f15f1b28db3020a391757c177e1f6f346bff39efa72b3ad4254144255298263d45793a837166506ea537c674755ba9beb72fe133dfd31d53d00dc

Download Submit
memory/440-9-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/440-10-0x000000000047095E-mapping.dmp

Download
memory/440-12-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/440-11-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/440-13-0x0000000073790000-0x0000000073E7E000-memory.dmp

Filesize
6.9MB

Download
memory/1408-7-0x0000000000000000-mapping.dmp

Download
memory/1580-2-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/1580-3-0x00000000012B0000-0x00000000012B1000-memory.dmp

Filesize
4KB

Download
memory/1580-5-0x00000000002D0000-0x00000000002DE000-memory.dmp

Filesize
56KB

Download
memory/1580-6-0x00000000055E0000-0x00000000056BA000-memory.dmp

Filesize
872KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads