Analysis
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max time kernel
93s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15-11-2024 09:22
Static task
static1
Behavioral task
behavioral1
Sample
ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe
Resource
win7-20240903-en
General
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Target
ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe
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Size
36KB
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MD5
9913a016528f9d9c4aac737c6a06c596
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SHA1
197435ebdeab5f6df6e10d1c5aec40812cb9dfdf
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SHA256
ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f
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SHA512
d7013c2edf7245989e1a38e9f4a85aa22e4168c609920d73ecbd9f9006a9060ab78e2ef77a7d22371404b0241a36103b4824287ddb263a495303df12f99c6791
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SSDEEP
768:vdfxnLzsA5NVk9FrHE7be6C5jLjkmBcgYcV6kizh:vdfxnLd5yB5jFco6kiz
Malware Config
Extracted
meduza
45.130.145.152
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anti_dbg
true
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anti_vm
true
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build_name
Work
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extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite
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grabber_max_size
4.194304e+06
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port
15666
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self_destruct
false
Signatures
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Meduza Stealer payload 3 IoCs
resource yara_rule behavioral2/memory/3448-66-0x0000029BF8AF0000-0x0000029BF8C2E000-memory.dmp family_meduza behavioral2/memory/3448-75-0x0000029BF8AF0000-0x0000029BF8C2E000-memory.dmp family_meduza behavioral2/memory/3448-76-0x0000029BF8AF0000-0x0000029BF8C2E000-memory.dmp family_meduza -
Meduza family
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 1616 powershell.exe -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation M2wQZGClrW.exe -
Executes dropped EXE 1 IoCs
pid Process 3448 M2wQZGClrW.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 M2wQZGClrW.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 M2wQZGClrW.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 M2wQZGClrW.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 M2wQZGClrW.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 M2wQZGClrW.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 37 api.ipify.org 38 api.ipify.org -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1616 powershell.exe 1616 powershell.exe 3448 M2wQZGClrW.exe 3448 M2wQZGClrW.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1612 ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe Token: SeDebugPrivilege 1616 powershell.exe Token: SeDebugPrivilege 3448 M2wQZGClrW.exe Token: SeImpersonatePrivilege 3448 M2wQZGClrW.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1612 wrote to memory of 1616 1612 ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe 99 PID 1612 wrote to memory of 1616 1612 ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe 99 PID 1612 wrote to memory of 1616 1612 ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe 99 PID 1612 wrote to memory of 3448 1612 ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe 104 PID 1612 wrote to memory of 3448 1612 ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe 104 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 M2wQZGClrW.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 M2wQZGClrW.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe"C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -NoProfile -WindowStyle Hidden -EncodedCommand QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcAFQAZQBtAHAAXABMAGMANwBUAHIAYgA4AFUAMwByAFwATQAyAHcAUQBaAEcAQwBsAHIAVwAuAGUAeABlACcA2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1616
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C:\Users\Admin\AppData\Local\Temp\Lc7Trb8U3r\M2wQZGClrW.exe"C:\Users\Admin\AppData\Local\Temp\Lc7Trb8U3r\M2wQZGClrW.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3448
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.5MB
MD5183e24b654414d7be786ccd8e6a108a5
SHA1a18e6d0f9d1e67f404985adfa2cc6d756e8680ac
SHA25669f8cea7a5b6e5de711e9849f4bc0244f1344966364520bc12987f1b90013754
SHA5128cb2d66a7ffe9e84b9bace8bbd859f050fbf7dc0cb9c4a262bf3467a39d3db43272d40a071fd2867e84a4cd262baa6e5347a46556dcae1a1bffa0497a147850b
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82