matiex | beaff19d4901abc6bf50871a2514a1efb985edb39b64786adeab9259839038e7

General

Target

5ab6117ef6b9607c962f102518ab534b.exe
Size

558KB
MD5

5ab6117ef6b9607c962f102518ab534b
SHA1

e37e0327403eeb95e5df462689d6b83f2d9e3d9a
SHA256

beaff19d4901abc6bf50871a2514a1efb985edb39b64786adeab9259839038e7
SHA512

ad7120ebf1ea9fe92266b400c0983c82a5e0a858ba3662290a8fcfa41d712bc38dad4fc7dc393a1c1c6ea34cb2c8e8bfb4efe0333a5c3c3acb9378838f391eb9
SSDEEP

12288:P9SS0V7xIyeP9I1mKpDPhe950yvCfXU2euRrAMIWmA0lq:1SS0VCFI1n9EnCMB0rpGV

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 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1624-61-0x0000000000400000-0x0000000000483000-memory.dmp	family_matiex
behavioral1/memory/1624-62-0x0000000000500000-0x0000000000576000-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

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

Processes:

5ab6117ef6b9607c962f102518ab534b.exe

description pid process target process

PID 1864 set thread context of 1624 1864 5ab6117ef6b9607c962f102518ab534b.exe 5ab6117ef6b9607c962f102518ab534b.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

1280 schtasks.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

5ab6117ef6b9607c962f102518ab534b.exe

pid process

1864 5ab6117ef6b9607c962f102518ab534b.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

5ab6117ef6b9607c962f102518ab534b.exe

description pid process

Token: SeDebugPrivilege 1624 5ab6117ef6b9607c962f102518ab534b.exe

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

description	pid	process	target process
PID 1864 set thread context of 1624	1864	5ab6117ef6b9607c962f102518ab534b.exe	5ab6117ef6b9607c962f102518ab534b.exe

pid	process
1280	schtasks.exe

pid	process
1864	5ab6117ef6b9607c962f102518ab534b.exe

description	pid	process
Token: SeDebugPrivilege	1624	5ab6117ef6b9607c962f102518ab534b.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

5ab6117ef6b9607c962f102518ab534b.execmd.exe

description	pid	process	target process
PID 1864 wrote to memory of 2028	1864	5ab6117ef6b9607c962f102518ab534b.exe	cmd.exe
PID 1864 wrote to memory of 2028	1864	5ab6117ef6b9607c962f102518ab534b.exe	cmd.exe
PID 1864 wrote to memory of 2028	1864	5ab6117ef6b9607c962f102518ab534b.exe	cmd.exe
PID 1864 wrote to memory of 2028	1864	5ab6117ef6b9607c962f102518ab534b.exe	cmd.exe
PID 1864 wrote to memory of 1624	1864	5ab6117ef6b9607c962f102518ab534b.exe	5ab6117ef6b9607c962f102518ab534b.exe
PID 1864 wrote to memory of 1624	1864	5ab6117ef6b9607c962f102518ab534b.exe	5ab6117ef6b9607c962f102518ab534b.exe
PID 1864 wrote to memory of 1624	1864	5ab6117ef6b9607c962f102518ab534b.exe	5ab6117ef6b9607c962f102518ab534b.exe
PID 1864 wrote to memory of 1624	1864	5ab6117ef6b9607c962f102518ab534b.exe	5ab6117ef6b9607c962f102518ab534b.exe
PID 1864 wrote to memory of 1624	1864	5ab6117ef6b9607c962f102518ab534b.exe	5ab6117ef6b9607c962f102518ab534b.exe
PID 2028 wrote to memory of 1280	2028	cmd.exe	schtasks.exe
PID 2028 wrote to memory of 1280	2028	cmd.exe	schtasks.exe
PID 2028 wrote to memory of 1280	2028	cmd.exe	schtasks.exe
PID 2028 wrote to memory of 1280	2028	cmd.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\5ab6117ef6b9607c962f102518ab534b.exe
"C:\Users\Admin\AppData\Local\Temp\5ab6117ef6b9607c962f102518ab534b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1864

C:\Windows\SysWOW64\cmd.exe
cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\d4c79d78a33a481894964ddfeeee395c.xml"
2⤵
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\d4c79d78a33a481894964ddfeeee395c.xml"
3⤵
- Creates scheduled task(s)
PID:1280

C:\Users\Admin\AppData\Local\Temp\5ab6117ef6b9607c962f102518ab534b.exe
"C:\Users\Admin\AppData\Local\Temp\5ab6117ef6b9607c962f102518ab534b.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1624

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\d4c79d78a33a481894964ddfeeee395c.xml
Filesize
1KB

MD5
dea070bce66d1fbc1feb65e7103d19dd

SHA1
9ec51066ac265a0fdf400d26d19cb844a01e4d27

SHA256
d2262af5148f92c65ca685d63e78873dd781ce5dd220a3f16407b58213304386

SHA512
97574217239bfb9f3c15141b25b2576db45d72db2c68b6b41d8c1e55b462b03ce7420553ac4df6b99c636358ce18d553a9be59fad802451ce1ba1aad5a5a0df6

Download Submit
memory/1280-59-0x0000000000000000-mapping.dmp

Download
memory/1624-56-0x0000000000401896-mapping.dmp

Download
memory/1624-58-0x0000000075911000-0x0000000075913000-memory.dmp

Filesize
8KB

Download
memory/1624-61-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1624-62-0x0000000000500000-0x0000000000576000-memory.dmp

Filesize
472KB

Download
memory/1864-54-0x000000000045B000-0x0000000000460000-memory.dmp

Filesize
20KB

Download
memory/1864-57-0x000000000045B000-0x0000000000460000-memory.dmp

Filesize
20KB

Download
memory/2028-55-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads