matiex | d7b79a3b233e302c0565522ee309e0eebb3bcf4309370f439cd228a829ea07cf

General

Target

b49831da526c73193082d584fcd03c62.exe
Size

719KB
MD5

b49831da526c73193082d584fcd03c62
SHA1

cd7efc3db0b67615e2b28b67077908ef0d70997c
SHA256

d7b79a3b233e302c0565522ee309e0eebb3bcf4309370f439cd228a829ea07cf
SHA512

f3e12fe112757d50ef4e8a41d035f2d629de9377fad96eb8754ad66af7f93600c02152403f8a4c309504b5b264e67988fa667638d605e07b820f4e9671dd04ff
SSDEEP

12288:pXcqhWkdzkMWzcw9OsOSsyRvy1u7kqtf2ssp2JcPpHL4JiV8qGV3wGa7Y8vh4HZI:pXc/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 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1884-59-0x0000000001040000-0x00000000010F7000-memory.dmp	family_matiex
behavioral1/memory/1512-62-0x0000000000980000-0x00000000009F6000-memory.dmp	family_matiex
behavioral1/memory/1512-63-0x0000000000400000-0x0000000000484000-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:

b49831da526c73193082d584fcd03c62.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b49831da526c73193082d584fcd03c62.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b49831da526c73193082d584fcd03c62.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b49831da526c73193082d584fcd03c62.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

3 checkip.dyndns.org
7 freegeoip.app
8 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

b49831da526c73193082d584fcd03c62.exe

description pid process target process

PID 1884 set thread context of 1512 1884 b49831da526c73193082d584fcd03c62.exe b49831da526c73193082d584fcd03c62.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

624 1512 WerFault.exe b49831da526c73193082d584fcd03c62.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

1760 schtasks.exe

flow	ioc
3	checkip.dyndns.org
7	freegeoip.app
8	freegeoip.app

description	pid	process	target process
PID 1884 set thread context of 1512	1884	b49831da526c73193082d584fcd03c62.exe	b49831da526c73193082d584fcd03c62.exe

pid	pid_target	process	target process
624	1512	WerFault.exe	b49831da526c73193082d584fcd03c62.exe

pid	process
1760	schtasks.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

b49831da526c73193082d584fcd03c62.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	b49831da526c73193082d584fcd03c62.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 040000000100000010000000acb694a59c17e0d791529bb19706a6e40f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f0b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f007400000053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c0140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df01d0000000100000010000000918ad43a9475f78bb5243de886d8103c09000000010000000c000000300a06082b06010505070301030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47419000000010000001000000068cb42b035ea773e52ef50ecf50ec52920000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9	b49831da526c73193082d584fcd03c62.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

b49831da526c73193082d584fcd03c62.exe

pid process

1884 b49831da526c73193082d584fcd03c62.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b49831da526c73193082d584fcd03c62.exe

description pid process

Token: SeDebugPrivilege 1512 b49831da526c73193082d584fcd03c62.exe

pid	process
1884	b49831da526c73193082d584fcd03c62.exe

description	pid	process
Token: SeDebugPrivilege	1512	b49831da526c73193082d584fcd03c62.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

b49831da526c73193082d584fcd03c62.execmd.exeb49831da526c73193082d584fcd03c62.exe

description	pid	process	target process
PID 1884 wrote to memory of 1736	1884	b49831da526c73193082d584fcd03c62.exe	cmd.exe
PID 1884 wrote to memory of 1736	1884	b49831da526c73193082d584fcd03c62.exe	cmd.exe
PID 1884 wrote to memory of 1736	1884	b49831da526c73193082d584fcd03c62.exe	cmd.exe
PID 1884 wrote to memory of 1736	1884	b49831da526c73193082d584fcd03c62.exe	cmd.exe
PID 1884 wrote to memory of 1512	1884	b49831da526c73193082d584fcd03c62.exe	b49831da526c73193082d584fcd03c62.exe
PID 1884 wrote to memory of 1512	1884	b49831da526c73193082d584fcd03c62.exe	b49831da526c73193082d584fcd03c62.exe
PID 1884 wrote to memory of 1512	1884	b49831da526c73193082d584fcd03c62.exe	b49831da526c73193082d584fcd03c62.exe
PID 1884 wrote to memory of 1512	1884	b49831da526c73193082d584fcd03c62.exe	b49831da526c73193082d584fcd03c62.exe
PID 1884 wrote to memory of 1512	1884	b49831da526c73193082d584fcd03c62.exe	b49831da526c73193082d584fcd03c62.exe
PID 1736 wrote to memory of 1760	1736	cmd.exe	schtasks.exe
PID 1736 wrote to memory of 1760	1736	cmd.exe	schtasks.exe
PID 1736 wrote to memory of 1760	1736	cmd.exe	schtasks.exe
PID 1736 wrote to memory of 1760	1736	cmd.exe	schtasks.exe
PID 1512 wrote to memory of 624	1512	b49831da526c73193082d584fcd03c62.exe	WerFault.exe
PID 1512 wrote to memory of 624	1512	b49831da526c73193082d584fcd03c62.exe	WerFault.exe
PID 1512 wrote to memory of 624	1512	b49831da526c73193082d584fcd03c62.exe	WerFault.exe
PID 1512 wrote to memory of 624	1512	b49831da526c73193082d584fcd03c62.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

b49831da526c73193082d584fcd03c62.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b49831da526c73193082d584fcd03c62.exe

outlook_win_path 1 IoCs

Processes:

b49831da526c73193082d584fcd03c62.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b49831da526c73193082d584fcd03c62.exe

C:\Users\Admin\AppData\Local\Temp\b49831da526c73193082d584fcd03c62.exe
"C:\Users\Admin\AppData\Local\Temp\b49831da526c73193082d584fcd03c62.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1884

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:1736

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\e8fb1ebd850140caa97509d1d746dfb1.xml"
3⤵
- Creates scheduled task(s)
PID:1760

C:\Users\Admin\AppData\Local\Temp\b49831da526c73193082d584fcd03c62.exe
"C:\Users\Admin\AppData\Local\Temp\b49831da526c73193082d584fcd03c62.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 1644
3⤵
- Program crash
PID:624

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

Install Root Certificate

1

T1130

Modify Registry

1

T1112

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
64874be9f369ac711ed7544324818c9f

SHA1
6a28869bb2496b85316e729fff9f1ad47d86a3c3

SHA256
7e044c703725ec8c9d3d3aa2dd7fbadb79fc1d4548f87e4acf1ea5e5db94fb85

SHA512
4fdc481e33554babcd1ef18894876415b37b9f6c57c54015a71414b100574a06ac569e42f9d45e58561f53f0f09a4eb022ea8a884beed10f5f3d145f8579e44b

Download Submit
memory/624-64-0x0000000000000000-mapping.dmp

Download
memory/1512-57-0x000000000040188B-mapping.dmp

Download
memory/1512-62-0x0000000000980000-0x00000000009F6000-memory.dmp

Filesize
472KB

Download
memory/1512-63-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1736-56-0x0000000000000000-mapping.dmp

Download
memory/1760-60-0x0000000000000000-mapping.dmp

Download
memory/1884-54-0x0000000076171000-0x0000000076173000-memory.dmp

Filesize
8KB

Download
memory/1884-59-0x0000000001040000-0x00000000010F7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads