matiex | 2f9c6244fa0ed0d62188100de444fdd5244a3930ba845d5615322ff89e85bbf8

General

Target

ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe
Size

780KB
MD5

ee012ccf95286d03ea9cc4d508fee46e
SHA1

03d86e7dad5b312e03bd3d928c1514f293d79051
SHA256

2f9c6244fa0ed0d62188100de444fdd5244a3930ba845d5615322ff89e85bbf8
SHA512

c9c95663c3a5e25d8e0d97870387b7ca7a735409297655c590f3117299b3feda7c47dd476ac8e207259f5ead961fe77dbbc5f1b3a2defbb99531bf78e3d656f2
SSDEEP

12288:0l6ttSwR5amrYMNygJvPch2tFbwv7IhpSxITamCTnKeWzzJnWqN2Ev2K1Bc5BmM0:ryk5nCIhx6B

Score

10^/10

matiex zgrat collection keylogger rat spyware stealer

Malware Config

Extracted

Family

matiex

C2

https://api.telegram.org/bot1395392888:AAFrJovDdZICOFB0gX0eGWrAUzEKCRpv8xo/sendMessage?chat_id=1300181783

Signatures

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral1/memory/1196-4-0x0000000000340000-0x0000000000356000-memory.dmp	family_zgrat_v1

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

Matiex Main payload 5 IoCs

resource	yara_rule
behavioral1/memory/1512-7-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1512-8-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1512-11-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1512-13-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1512-15-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.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.

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1196 set thread context of 1512	1196	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe	28

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2596	1512	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1512	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 1512	1196	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe	28
PID 1196 wrote to memory of 1512	1196	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe	28
PID 1196 wrote to memory of 1512	1196	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe	28
PID 1196 wrote to memory of 1512	1196	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe	28
PID 1196 wrote to memory of 1512	1196	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe	28
PID 1196 wrote to memory of 1512	1196	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe	28
PID 1196 wrote to memory of 1512	1196	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe	28
PID 1196 wrote to memory of 1512	1196	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe	28
PID 1196 wrote to memory of 1512	1196	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe	28
PID 1512 wrote to memory of 2596	1512	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2596	1512	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2596	1512	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2596	1512	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ee012ccf95286d03ea9cc4d508fee46e_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - 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 1796
    3⤵
    - Program crash
    PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1196-0-0x0000000000160000-0x000000000022A000-memory.dmp

Filesize
808KB

Download
memory/1196-1-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download
memory/1196-2-0x0000000004FD0000-0x0000000005010000-memory.dmp

Filesize
256KB

Download
memory/1196-3-0x0000000000610000-0x0000000000676000-memory.dmp

Filesize
408KB

Download
memory/1196-4-0x0000000000340000-0x0000000000356000-memory.dmp

Filesize
88KB

Download
memory/1196-16-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download
memory/1512-8-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1512-7-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1512-6-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1512-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1512-11-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1512-13-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1512-15-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1512-17-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download
memory/1512-5-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1512-18-0x0000000005990000-0x00000000059D0000-memory.dmp

Filesize
256KB

Download
memory/1512-19-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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