matiex | 7886d3b7f41a5caeff352a0e574e7c6dfcd89a6888f8860d8af873548b5b543e

General

Target

7605122309.exe
Size

1.1MB
MD5

ad19d31c1acf47a74573444337f81c1c
SHA1

9e51312eba1d12c9b141700d50db9349f349620b
SHA256

630bb247d9c8f85f918a274ef04c5c5df8347176444b9e0222b68648ca999ccb
SHA512

50b196e5b092d2c5e21099aaf59687472b0d1d7c06a75204f08fd75a5d2180a7deaf705de7022c7b6d06da3022b104b932530360b60a25accc87bd71fb18a720

Score

10^/10

matiex keylogger persistence stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
baso.elcx@yandex.com
Password:
HYF76io83%$6***

Signatures

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

Matiex Main Payload 11 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1692-54-0x0000000000990000-0x0000000000AB0000-memory.dmp	family_matiex
\Users\Admin\sogh.exe	family_matiex
C:\Users\Admin\sogh.exe	family_matiex
C:\Users\Admin\sogh.exe	family_matiex
behavioral1/memory/1760-64-0x0000000001070000-0x0000000001190000-memory.dmp	family_matiex
behavioral1/memory/1548-71-0x0000000000400000-0x0000000000474000-memory.dmp	family_matiex
behavioral1/memory/1548-72-0x0000000000400000-0x0000000000474000-memory.dmp	family_matiex
behavioral1/memory/1548-73-0x0000000000400000-0x0000000000474000-memory.dmp	family_matiex
behavioral1/memory/1548-74-0x000000000046E39E-mapping.dmp	family_matiex
behavioral1/memory/1548-77-0x0000000000400000-0x0000000000474000-memory.dmp	family_matiex
behavioral1/memory/1548-79-0x0000000000400000-0x0000000000474000-memory.dmp	family_matiex

Executes dropped EXE 2 IoCs

Processes:

sogh.exeInstallUtil.exe

pid process

1760 sogh.exe
1548 InstallUtil.exe
Loads dropped DLL 2 IoCs

Processes:

7605122309.exesogh.exe

pid process

1692 7605122309.exe
1760 sogh.exe

pid	process
1760	sogh.exe
1548	InstallUtil.exe

pid	process
1692	7605122309.exe
1760	sogh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\smgu = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\sogh.exe"	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

sogh.exe

description pid process target process

PID 1760 set thread context of 1548 1760 sogh.exe InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

7605122309.exesogh.exe

pid process

1692 7605122309.exe
1692 7605122309.exe
1760 sogh.exe
1760 sogh.exe
1760 sogh.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

7605122309.exesogh.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 1692 7605122309.exe
Token: SeDebugPrivilege 1760 sogh.exe
Token: SeDebugPrivilege 1548 InstallUtil.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 1760 set thread context of 1548	1760	sogh.exe	InstallUtil.exe

pid	process
1692	7605122309.exe
1692	7605122309.exe
1760	sogh.exe
1760	sogh.exe
1760	sogh.exe

description	pid	process
Token: SeDebugPrivilege	1692	7605122309.exe
Token: SeDebugPrivilege	1760	sogh.exe
Token: SeDebugPrivilege	1548	InstallUtil.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

7605122309.execmd.exesogh.exe

description	pid	process	target process
PID 1692 wrote to memory of 2036	1692	7605122309.exe	cmd.exe
PID 1692 wrote to memory of 2036	1692	7605122309.exe	cmd.exe
PID 1692 wrote to memory of 2036	1692	7605122309.exe	cmd.exe
PID 1692 wrote to memory of 2036	1692	7605122309.exe	cmd.exe
PID 2036 wrote to memory of 2000	2036	cmd.exe	reg.exe
PID 2036 wrote to memory of 2000	2036	cmd.exe	reg.exe
PID 2036 wrote to memory of 2000	2036	cmd.exe	reg.exe
PID 2036 wrote to memory of 2000	2036	cmd.exe	reg.exe
PID 1692 wrote to memory of 1760	1692	7605122309.exe	sogh.exe
PID 1692 wrote to memory of 1760	1692	7605122309.exe	sogh.exe
PID 1692 wrote to memory of 1760	1692	7605122309.exe	sogh.exe
PID 1692 wrote to memory of 1760	1692	7605122309.exe	sogh.exe
PID 1760 wrote to memory of 1548	1760	sogh.exe	InstallUtil.exe
PID 1760 wrote to memory of 1548	1760	sogh.exe	InstallUtil.exe
PID 1760 wrote to memory of 1548	1760	sogh.exe	InstallUtil.exe
PID 1760 wrote to memory of 1548	1760	sogh.exe	InstallUtil.exe
PID 1760 wrote to memory of 1548	1760	sogh.exe	InstallUtil.exe
PID 1760 wrote to memory of 1548	1760	sogh.exe	InstallUtil.exe
PID 1760 wrote to memory of 1548	1760	sogh.exe	InstallUtil.exe
PID 1760 wrote to memory of 1548	1760	sogh.exe	InstallUtil.exe
PID 1760 wrote to memory of 1548	1760	sogh.exe	InstallUtil.exe
PID 1760 wrote to memory of 1548	1760	sogh.exe	InstallUtil.exe
PID 1760 wrote to memory of 1548	1760	sogh.exe	InstallUtil.exe
PID 1760 wrote to memory of 1548	1760	sogh.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\7605122309.exe
"C:\Users\Admin\AppData\Local\Temp\7605122309.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v smgu /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\sogh.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v smgu /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\sogh.exe"
3⤵
- Adds Run key to start application
PID:2000

C:\Users\Admin\sogh.exe
"C:\Users\Admin\sogh.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1760

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1548

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\sogh.exe
Filesize
1.1MB

MD5
ad19d31c1acf47a74573444337f81c1c

SHA1
9e51312eba1d12c9b141700d50db9349f349620b

SHA256
630bb247d9c8f85f918a274ef04c5c5df8347176444b9e0222b68648ca999ccb

SHA512
50b196e5b092d2c5e21099aaf59687472b0d1d7c06a75204f08fd75a5d2180a7deaf705de7022c7b6d06da3022b104b932530360b60a25accc87bd71fb18a720

Download Submit
C:\Users\Admin\sogh.exe
Filesize
1.1MB

MD5
ad19d31c1acf47a74573444337f81c1c

SHA1
9e51312eba1d12c9b141700d50db9349f349620b

SHA256
630bb247d9c8f85f918a274ef04c5c5df8347176444b9e0222b68648ca999ccb

SHA512
50b196e5b092d2c5e21099aaf59687472b0d1d7c06a75204f08fd75a5d2180a7deaf705de7022c7b6d06da3022b104b932530360b60a25accc87bd71fb18a720

Download Submit
\Users\Admin\AppData\Local\Temp\InstallUtil.exe
Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\sogh.exe
Filesize
1.1MB

MD5
ad19d31c1acf47a74573444337f81c1c

SHA1
9e51312eba1d12c9b141700d50db9349f349620b

SHA256
630bb247d9c8f85f918a274ef04c5c5df8347176444b9e0222b68648ca999ccb

SHA512
50b196e5b092d2c5e21099aaf59687472b0d1d7c06a75204f08fd75a5d2180a7deaf705de7022c7b6d06da3022b104b932530360b60a25accc87bd71fb18a720

Download Submit
memory/1548-77-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1548-79-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1548-74-0x000000000046E39E-mapping.dmp

Download
memory/1548-68-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1548-69-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1548-71-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1548-72-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1548-73-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1692-54-0x0000000000990000-0x0000000000AB0000-memory.dmp

Filesize
1.1MB

Download
memory/1692-57-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download
memory/1692-56-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1692-55-0x00000000763E1000-0x00000000763E3000-memory.dmp

Filesize
8KB

Download
memory/1760-64-0x0000000001070000-0x0000000001190000-memory.dmp

Filesize
1.1MB

Download
memory/1760-61-0x0000000000000000-mapping.dmp

Download
memory/2000-59-0x0000000000000000-mapping.dmp

Download
memory/2036-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads