Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
19-12-2024 20:28
Static task
static1
Behavioral task
behavioral1
Sample
billys.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
billys.exe
Resource
win10v2004-20241007-en
General
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Target
billys.exe
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Size
2.6MB
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MD5
41f92168b17f6f6e3f0c2dd847b8790c
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SHA1
d72086c8d7cf22ee4a212a8aafbf2c1cfbb68db4
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SHA256
4a5229e0157022f1f1e52bc9ddef08d3495094f596ec8b861f82778f13664ddc
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SHA512
51993dd5aed96c4dc4863ad9126be8f8e651b363cde9042561fc9fa1c9f19febacc786c9dbde8c148cd6eaf28b536e3056582e5413e507f67d4981ddde8a001f
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SSDEEP
24576:V9L8hJZ4uB+Ch0lhSMXlnwgT59w2/rbS43qtrtgBGVb5Q:PL8hD4auX/weJBGs
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
Student
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extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite
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grabber_max_size
3.145728e+06
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port
15666
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self_destruct
true
Signatures
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Meduza Stealer payload 11 IoCs
resource yara_rule behavioral1/memory/3044-2-0x0000000001DA0000-0x0000000001F9A000-memory.dmp family_meduza behavioral1/memory/3044-8-0x0000000001DA0000-0x0000000001F9A000-memory.dmp family_meduza behavioral1/memory/3044-6-0x0000000001DA0000-0x0000000001F9A000-memory.dmp family_meduza behavioral1/memory/3044-9-0x0000000001DA0000-0x0000000001F9A000-memory.dmp family_meduza behavioral1/memory/3044-10-0x0000000001DA0000-0x0000000001F9A000-memory.dmp family_meduza behavioral1/memory/3044-4-0x0000000001DA0000-0x0000000001F9A000-memory.dmp family_meduza behavioral1/memory/3044-3-0x0000000001DA0000-0x0000000001F9A000-memory.dmp family_meduza behavioral1/memory/3044-14-0x0000000001DA0000-0x0000000001F9A000-memory.dmp family_meduza behavioral1/memory/3044-16-0x0000000001DA0000-0x0000000001F9A000-memory.dmp family_meduza behavioral1/memory/3044-12-0x0000000001DA0000-0x0000000001F9A000-memory.dmp family_meduza behavioral1/memory/3044-11-0x0000000001DA0000-0x0000000001F9A000-memory.dmp family_meduza -
Meduza family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Control Panel\International\Geo\Nation billys.exe -
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 3 api.ipify.org 5 api.ipify.org -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3044 billys.exe Token: SeImpersonatePrivilege 3044 billys.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3044 wrote to memory of 2812 3044 billys.exe 30 PID 3044 wrote to memory of 2812 3044 billys.exe 30 PID 3044 wrote to memory of 2812 3044 billys.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\billys.exe"C:\Users\Admin\AppData\Local\Temp\billys.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3044 -s 6562⤵PID:2812
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