matiex | 97a1699cdcc0f5620e224c3269da0909acbf769b84cc8b3696fb2f68b1cd5bdf

General

Target

c377fdcf9f0d884cabad4fb1199d57ff.exe
Size

717KB
MD5

c377fdcf9f0d884cabad4fb1199d57ff
SHA1

e9ef68bc310f66d191723a7c05bd27d07e137fca
SHA256

97a1699cdcc0f5620e224c3269da0909acbf769b84cc8b3696fb2f68b1cd5bdf
SHA512

0b5dd28c3642d7a83bd441c3a5ed9d3478517ef72e803321d97f1d3ec17dd31db5f521cf94394af1acaa58ac3c058fb5f18be12f11c7e12356da6ea74ebd505a
SSDEEP

12288:LXcqhWkdzkMWzcw9OsOSsyRvy1u7kqtf2ssp2JcPpHL4JiV8qGV3wGa7Y8vh4HZI:LXc/SzGzc8OsO9yRvlD2ssp2eRHksiG5

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Signatures

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

Matiex Main payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/404-135-0x0000000000070000-0x0000000000128000-memory.dmp	family_matiex
behavioral2/memory/3428-136-0x0000000000400000-0x0000000000484000-memory.dmp	family_matiex

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

Processes:

c377fdcf9f0d884cabad4fb1199d57ff.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c377fdcf9f0d884cabad4fb1199d57ff.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c377fdcf9f0d884cabad4fb1199d57ff.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c377fdcf9f0d884cabad4fb1199d57ff.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.

Processes:

flow ioc

7 freegeoip.app
4 checkip.dyndns.org
6 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

c377fdcf9f0d884cabad4fb1199d57ff.exe

description pid process target process

PID 404 set thread context of 3428 404 c377fdcf9f0d884cabad4fb1199d57ff.exe c377fdcf9f0d884cabad4fb1199d57ff.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2896 3428 WerFault.exe c377fdcf9f0d884cabad4fb1199d57ff.exe
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

4380 schtasks.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

c377fdcf9f0d884cabad4fb1199d57ff.exe

pid process

404 c377fdcf9f0d884cabad4fb1199d57ff.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c377fdcf9f0d884cabad4fb1199d57ff.exe

description pid process

Token: SeDebugPrivilege 3428 c377fdcf9f0d884cabad4fb1199d57ff.exe

flow	ioc
7	freegeoip.app
4	checkip.dyndns.org
6	freegeoip.app

description	pid	process	target process
PID 404 set thread context of 3428	404	c377fdcf9f0d884cabad4fb1199d57ff.exe	c377fdcf9f0d884cabad4fb1199d57ff.exe

pid	pid_target	process	target process
2896	3428	WerFault.exe	c377fdcf9f0d884cabad4fb1199d57ff.exe

pid	process
4380	schtasks.exe

pid	process
404	c377fdcf9f0d884cabad4fb1199d57ff.exe

description	pid	process
Token: SeDebugPrivilege	3428	c377fdcf9f0d884cabad4fb1199d57ff.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

c377fdcf9f0d884cabad4fb1199d57ff.execmd.exe

description	pid	process	target process
PID 404 wrote to memory of 2400	404	c377fdcf9f0d884cabad4fb1199d57ff.exe	cmd.exe
PID 404 wrote to memory of 2400	404	c377fdcf9f0d884cabad4fb1199d57ff.exe	cmd.exe
PID 404 wrote to memory of 2400	404	c377fdcf9f0d884cabad4fb1199d57ff.exe	cmd.exe
PID 404 wrote to memory of 3428	404	c377fdcf9f0d884cabad4fb1199d57ff.exe	c377fdcf9f0d884cabad4fb1199d57ff.exe
PID 404 wrote to memory of 3428	404	c377fdcf9f0d884cabad4fb1199d57ff.exe	c377fdcf9f0d884cabad4fb1199d57ff.exe
PID 404 wrote to memory of 3428	404	c377fdcf9f0d884cabad4fb1199d57ff.exe	c377fdcf9f0d884cabad4fb1199d57ff.exe
PID 404 wrote to memory of 3428	404	c377fdcf9f0d884cabad4fb1199d57ff.exe	c377fdcf9f0d884cabad4fb1199d57ff.exe
PID 2400 wrote to memory of 4380	2400	cmd.exe	schtasks.exe
PID 2400 wrote to memory of 4380	2400	cmd.exe	schtasks.exe
PID 2400 wrote to memory of 4380	2400	cmd.exe	schtasks.exe

outlook_office_path 1 IoCs

Processes:

c377fdcf9f0d884cabad4fb1199d57ff.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c377fdcf9f0d884cabad4fb1199d57ff.exe

outlook_win_path 1 IoCs

Processes:

c377fdcf9f0d884cabad4fb1199d57ff.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c377fdcf9f0d884cabad4fb1199d57ff.exe

C:\Users\Admin\AppData\Local\Temp\c377fdcf9f0d884cabad4fb1199d57ff.exe
"C:\Users\Admin\AppData\Local\Temp\c377fdcf9f0d884cabad4fb1199d57ff.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:404

C:\Windows\SysWOW64\cmd.exe
cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\e8fb1ebd850140caa97509d1d746dfb1.xml"
2⤵
- Suspicious use of WriteProcessMemory
PID:2400

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\e8fb1ebd850140caa97509d1d746dfb1.xml"
3⤵
- Creates scheduled task(s)
PID:4380

C:\Users\Admin\AppData\Local\Temp\c377fdcf9f0d884cabad4fb1199d57ff.exe
"C:\Users\Admin\AppData\Local\Temp\c377fdcf9f0d884cabad4fb1199d57ff.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 1896
3⤵
- Program crash
PID:2896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3428 -ip 3428
1⤵
PID:1856

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

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\e8fb1ebd850140caa97509d1d746dfb1.xml
Filesize
1KB

MD5
284af8cf030ab5d0003cf68a44204bc5

SHA1
4010bf27e5ce1177ac18fac30b5c1d6ac6a51cf5

SHA256
97024db9c8cab0b562c8dbabfd8bfc615d99af32c00fe1e81084ca2c262a43f4

SHA512
19cb855bb03da299d77bbfc28d41710c57013d7de5dcd55b70dc0af9a8799ad3472386c9375103a5bb7ccc1d51759fb188e0b3a7d96a8ab918bf341e7f6e1cd4

Download Submit
memory/404-132-0x0000000000070000-0x0000000000128000-memory.dmp

Filesize
736KB

Download
memory/404-135-0x0000000000070000-0x0000000000128000-memory.dmp

Filesize
736KB

Download
memory/2400-133-0x0000000000000000-mapping.dmp

Download
memory/3428-134-0x0000000000000000-mapping.dmp

Download
memory/3428-136-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/3428-139-0x0000000005480000-0x000000000551C000-memory.dmp

Filesize
624KB

Download
memory/3428-140-0x0000000005AD0000-0x0000000006074000-memory.dmp

Filesize
5.6MB

Download
memory/3428-141-0x0000000005590000-0x00000000055F6000-memory.dmp

Filesize
408KB

Download
memory/4380-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads