matiex | c38b853587846014052d5b2206e8764dac66f7de9479ec3080e1872938bd7ceb

General

Target

4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe
Size

669KB
MD5

4fa42a8beb305337e28cede06ceefa62
SHA1

1ad401dc70385788123ae837eea020a9c1d9e9d9
SHA256

c38b853587846014052d5b2206e8764dac66f7de9479ec3080e1872938bd7ceb
SHA512

81dc56b84e3e95169de458d5842c50347455365388b96155aa25a7fea27dc756d20180265ee2b796b2d6ebc2d04d622a6fa9259877f371e956e1458415046807
SSDEEP

12288:mEcQS8zfwkDWsWUZT3HVCuNhzmSEuH/KVTXr2tb:Fcn8zfw+WUZT3HVCuNhqWfKFXr2t

Score

10^/10

matiex collection execution keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
MARYolanmauluogwo@ever

Signatures

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

Matiex Main payload 1 IoCs

resource	yara_rule
behavioral2/memory/616-27-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex

Beds Protector Packer 1 IoCs

Detects Beds Protector packer used to load .NET malware.

resource	yara_rule
behavioral2/memory/4600-6-0x0000000004EA0000-0x0000000004F46000-memory.dmp	beds_protector

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe	Powershell.exe

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-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4fa42a8beb305337e28cede06ceefa62_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
22	freegeoip.app
23	freegeoip.app
17	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4600 set thread context of 616	4600	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	88

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
452	Powershell.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3100	616	WerFault.exe	88

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
452	Powershell.exe
452	Powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	452	Powershell.exe
Token: SeDebugPrivilege	616	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 452	4600	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	86
PID 4600 wrote to memory of 452	4600	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	86
PID 4600 wrote to memory of 452	4600	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	86
PID 4600 wrote to memory of 616	4600	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	88
PID 4600 wrote to memory of 616	4600	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	88
PID 4600 wrote to memory of 616	4600	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	88
PID 4600 wrote to memory of 616	4600	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	88
PID 4600 wrote to memory of 616	4600	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	88
PID 4600 wrote to memory of 616	4600	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	88
PID 4600 wrote to memory of 616	4600	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	88
PID 4600 wrote to memory of 616	4600	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4600
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe'
  2⤵
  - Drops startup file
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:452
- C:\Users\Admin\AppData\Local\Temp\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 616 -s 2004
    3⤵
    - Program crash
    PID:3100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 616 -ip 616
1⤵
PID:372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe.log

Filesize
1KB

MD5
553cfcb8247e9e828eef0474e2134fac

SHA1
362c3f93dccc66f3bbfaf5ef681a11a0c7bc7316

SHA256
a753cbd5f89b034eaeeb02fa8f0924bab30e84d86d02686fdf7c0228d8a00d54

SHA512
18b4174286f47b41f47e964c5368b453eba4a23331958e7b982017f965a434aa80c0d3504d13521a9f0550bba4c2b7a62543553d4ddfdf6e1f0c39c6ef542dc4

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xrgz1oix.lbu.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/452-8-0x0000000002930000-0x0000000002966000-memory.dmp

Filesize
216KB

Download
memory/452-9-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/452-35-0x00000000072B0000-0x0000000007346000-memory.dmp

Filesize
600KB

Download
memory/452-31-0x0000000006270000-0x000000000628E000-memory.dmp

Filesize
120KB

Download
memory/452-32-0x0000000006290000-0x00000000062DC000-memory.dmp

Filesize
304KB

Download
memory/452-37-0x00000000067C0000-0x00000000067E2000-memory.dmp

Filesize
136KB

Download
memory/452-18-0x0000000005C90000-0x0000000005FE4000-memory.dmp

Filesize
3.3MB

Download
memory/452-36-0x0000000006730000-0x000000000674A000-memory.dmp

Filesize
104KB

Download
memory/452-11-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/452-12-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/452-10-0x0000000005410000-0x0000000005A38000-memory.dmp

Filesize
6.2MB

Download
memory/452-13-0x0000000005290000-0x00000000052B2000-memory.dmp

Filesize
136KB

Download
memory/452-15-0x0000000005C20000-0x0000000005C86000-memory.dmp

Filesize
408KB

Download
memory/452-14-0x0000000005AB0000-0x0000000005B16000-memory.dmp

Filesize
408KB

Download
memory/452-41-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/616-30-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/616-34-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/616-27-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/616-42-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/4600-33-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/4600-6-0x0000000004EA0000-0x0000000004F46000-memory.dmp

Filesize
664KB

Download
memory/4600-5-0x0000000005CB0000-0x0000000006254000-memory.dmp

Filesize
5.6MB

Download
memory/4600-26-0x0000000004F50000-0x0000000004F66000-memory.dmp

Filesize
88KB

Download
memory/4600-0-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

Filesize
4KB

Download
memory/4600-4-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/4600-3-0x0000000004E00000-0x0000000004E92000-memory.dmp

Filesize
584KB

Download
memory/4600-2-0x0000000005230000-0x00000000056FC000-memory.dmp

Filesize
4.8MB

Download
memory/4600-1-0x0000000000370000-0x000000000041E000-memory.dmp

Filesize
696KB

Download
memory/4600-7-0x0000000004FF0000-0x000000000508C000-memory.dmp

Filesize
624KB

Download

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