matiex | f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782

General

Target

f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe
Size

579KB
MD5

f9061b35c7ed637323aac46c5d15d002
SHA1

797b13720bbc9ae30134fb421941e02ba73d7bd4
SHA256

f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782
SHA512

da07e25ae000328dce3ae94e1e8ef7737813767975d400bfceabcc0fb63c75582b274cc07724295e1ff675d9f69c69885946dc276ebd4c8554b4819ce54f2408
SSDEEP

6144:+Kflh63Z4wCX7ybhkPZP85tHvrXzlgIDG0KPlcnXLfn+jey82tp8e2n:3f/6KpX7+kPZU5tHDpP5XLfkB7

Score

10^/10

matiex collection defense_evasion discovery keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
smtp.porkbun.com
Port:
587
Username:
[email protected]
Password:
godisable147

Signatures

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

Matiex Main payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000800000002359c-9.dat	family_matiex
behavioral2/memory/2128-17-0x0000000000520000-0x0000000000590000-memory.dmp	family_matiex

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2128	tmp.exe
2812	svhost.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.exe

Looks up external IP address via web service 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
22	checkip.dyndns.org
25	freegeoip.app
26	freegeoip.app
32	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1808 set thread context of 2812	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	93

Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

defense_evasion

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe:Zone.Identifier	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe
1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe
Token: SeDebugPrivilege	2128	tmp.exe
Token: SeDebugPrivilege	2812	svhost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 2128	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	92
PID 1808 wrote to memory of 2128	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	92
PID 1808 wrote to memory of 2128	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	92
PID 1808 wrote to memory of 2812	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	93
PID 1808 wrote to memory of 2812	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	93
PID 1808 wrote to memory of 2812	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	93
PID 1808 wrote to memory of 2812	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	93
PID 1808 wrote to memory of 2812	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	93
PID 1808 wrote to memory of 2812	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	93
PID 1808 wrote to memory of 2812	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	93
PID 1808 wrote to memory of 2812	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	93
PID 1808 wrote to memory of 3632	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	94
PID 1808 wrote to memory of 3632	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	94
PID 1808 wrote to memory of 3632	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	94
PID 1808 wrote to memory of 3208	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	97
PID 1808 wrote to memory of 3208	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	97
PID 1808 wrote to memory of 3208	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	97
PID 3208 wrote to memory of 3752	3208	cmd.exe	99
PID 3208 wrote to memory of 3752	3208	cmd.exe	99
PID 3208 wrote to memory of 3752	3208	cmd.exe	99
PID 1808 wrote to memory of 1376	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	101
PID 1808 wrote to memory of 1376	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	101
PID 1808 wrote to memory of 1376	1808	f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe	101

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.exe

C:\Users\Admin\AppData\Local\Temp\f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1808
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2128
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe" "%temp%\FolderN\name.exe" /Y
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3632
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%temp%\FolderN\name.exe.lnk" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3208
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.lnk" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3752
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\FolderN\name.exe:Zone.Identifier
  2⤵
  - Subvert Trust Controls: Mark-of-the-Web Bypass
  - System Location Discovery: System Language Discovery
  - NTFS ADS
  PID:1376

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1040,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=4004 /prefetch:8
1⤵
PID:4216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1

T1553

SIP and Trust Provider Hijacking

1

T1553.003

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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\Temp\FolderN\name.exe

Filesize
579KB

MD5
f9061b35c7ed637323aac46c5d15d002

SHA1
797b13720bbc9ae30134fb421941e02ba73d7bd4

SHA256
f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782

SHA512
da07e25ae000328dce3ae94e1e8ef7737813767975d400bfceabcc0fb63c75582b274cc07724295e1ff675d9f69c69885946dc276ebd4c8554b4819ce54f2408

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe

Filesize
256KB

MD5
8fdf47e0ff70c40ed3a17014aeea4232

SHA1
e6256a0159688f0560b015da4d967f41cbf8c9bd

SHA256
ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82

SHA512
bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp.exe

Filesize
425KB

MD5
34e884a790a7ef67f7c61108e2b9a177

SHA1
6ad5021f86a6d361a9771001a506ff8b8bf1930a

SHA256
5f1ce1d8e909e4fc999dd5a1fea71103cff35e075750117c8d9e3ec5045f09f0

SHA512
79e5fcd411321f1b09b67cc36a2dbeaf88731bd1ebf41cf53d21ed4d7f476b7193c40c33dcc652d707240ec45818b730732465c2a4a329c8ea7dd4d020aea2e8

Download Submit
memory/1808-26-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

Filesize
4KB

Download
memory/1808-4-0x00000000051D0000-0x0000000005262000-memory.dmp

Filesize
584KB

Download
memory/1808-0-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

Filesize
4KB

Download
memory/1808-40-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/1808-3-0x00000000058A0000-0x0000000005E44000-memory.dmp

Filesize
5.6MB

Download
memory/1808-37-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/1808-2-0x0000000005020000-0x00000000050BC000-memory.dmp

Filesize
624KB

Download
memory/1808-24-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/1808-1-0x0000000000640000-0x00000000006D6000-memory.dmp

Filesize
600KB

Download
memory/2128-18-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/2128-27-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/2128-34-0x00000000067B0000-0x0000000006972000-memory.dmp

Filesize
1.8MB

Download
memory/2128-35-0x0000000006670000-0x000000000667A000-memory.dmp

Filesize
40KB

Download
memory/2128-36-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/2128-19-0x0000000004F10000-0x0000000004F76000-memory.dmp

Filesize
408KB

Download
memory/2128-17-0x0000000000520000-0x0000000000590000-memory.dmp

Filesize
448KB

Download
memory/2812-28-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/2812-25-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/2812-38-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download

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