Analysis
-
max time kernel
122s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
30-11-2024 21:29
Behavioral task
behavioral1
Sample
jhnykawfkth.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
jhnykawfkth.exe
Resource
win10v2004-20241007-en
General
-
Target
jhnykawfkth.exe
-
Size
2.0MB
-
MD5
d3435ebfc26894fe8b895267ca8712b4
-
SHA1
60bcea02905c09e691043d05837e4942b8c4ae25
-
SHA256
9bb3c3efac7be81d22c386057fe49041d7e7ef3da1974ecb987cc83eae8da103
-
SHA512
8e884c0dcb76ca08c9674fb430b89e1bb9a3f999ac2c0078d2cefedfe72283d3249c5b9851064449294f8e39096f95c760d4c991238ed6338bb9409394872849
-
SSDEEP
49152:kqKuOKE3tn7J8ZsN0zZQQI0qnX9eztpls0uNYe:k3nX4lnuT
Malware Config
Extracted
meduza
62.60.217.159
-
anti_dbg
true
-
anti_vm
true
-
build_name
xss
-
extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite
-
grabber_max_size
1.048576e+06
-
port
15666
-
self_destruct
true
Signatures
-
Meduza Stealer payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/2708-4-0x000000013F5D0000-0x000000013F7CA000-memory.dmp family_meduza behavioral1/memory/2708-28-0x000000013F5D0000-0x000000013F7CA000-memory.dmp family_meduza behavioral1/memory/2708-30-0x000000013F5D0000-0x000000013F7CA000-memory.dmp family_meduza behavioral1/memory/2708-32-0x000000013F5D0000-0x000000013F7CA000-memory.dmp family_meduza -
Meduza family
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
jhnykawfkth.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Control Panel\International\Geo\Nation jhnykawfkth.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid Process 2904 cmd.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
Processes:
jhnykawfkth.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jhnykawfkth.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jhnykawfkth.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jhnykawfkth.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jhnykawfkth.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jhnykawfkth.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 api.ipify.org 5 api.ipify.org -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
Processes:
cmd.exePING.EXEpid Process 2904 cmd.exe 2944 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
jhnykawfkth.exepid Process 2708 jhnykawfkth.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
jhnykawfkth.exedescription pid Process Token: SeDebugPrivilege 2708 jhnykawfkth.exe Token: SeImpersonatePrivilege 2708 jhnykawfkth.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
jhnykawfkth.execmd.exedescription pid Process procid_target PID 2708 wrote to memory of 2904 2708 jhnykawfkth.exe 33 PID 2708 wrote to memory of 2904 2708 jhnykawfkth.exe 33 PID 2708 wrote to memory of 2904 2708 jhnykawfkth.exe 33 PID 2904 wrote to memory of 2944 2904 cmd.exe 35 PID 2904 wrote to memory of 2944 2904 cmd.exe 35 PID 2904 wrote to memory of 2944 2904 cmd.exe 35 -
outlook_office_path 1 IoCs
Processes:
jhnykawfkth.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jhnykawfkth.exe -
outlook_win_path 1 IoCs
Processes:
jhnykawfkth.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jhnykawfkth.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\jhnykawfkth.exe"C:\Users\Admin\AppData\Local\Temp\jhnykawfkth.exe"1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2708 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\jhnykawfkth.exe"2⤵
- Deletes itself
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Windows\system32\PING.EXEping 1.1.1.1 -n 1 -w 30003⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2944
-
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1