Analysis
-
max time kernel
141s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
28-03-2024 08:14
Behavioral task
behavioral1
Sample
4204b9d4c4df5c4b4d67922db24f342a.exe
Resource
win7-20240220-en
General
-
Target
4204b9d4c4df5c4b4d67922db24f342a.exe
-
Size
3.2MB
-
MD5
4204b9d4c4df5c4b4d67922db24f342a
-
SHA1
9255b5e94028f3f55adda2576d60bd39452eaf08
-
SHA256
62cd7b447bdee3ec1670c92d9585e1fddbaa5d4ee824dee8f15940005bf95414
-
SHA512
0b4ed4d6397c9f34cf2c72d9c581a6e5d94eabf395da0010073b1600883dac6fcc48c1606ffee29952bd60707caf03b8a6d6cf644b2ac668306b4a418d726423
-
SSDEEP
49152:l/Ki16IscOcmroPBql2IzydQgfTzTGKr6d61YryTz3onQqHlfBrfgOtat:Ujpreg7zyWsFGd61QYoHBroO4t
Malware Config
Signatures
-
Modifies firewall policy service 2 TTPs 1 IoCs
Processes:
4204b9d4c4df5c4b4d67922db24f342a.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1" 4204b9d4c4df5c4b4d67922db24f342a.exe -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
4204b9d4c4df5c4b4d67922db24f342a.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 4204b9d4c4df5c4b4d67922db24f342a.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
4204b9d4c4df5c4b4d67922db24f342a.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 4204b9d4c4df5c4b4d67922db24f342a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 4204b9d4c4df5c4b4d67922db24f342a.exe -
Processes:
resource yara_rule behavioral1/memory/2924-0-0x000000013FE70000-0x00000001408D1000-memory.dmp themida behavioral1/memory/2924-4-0x000000013FE70000-0x00000001408D1000-memory.dmp themida behavioral1/memory/2924-6-0x000000013FE70000-0x00000001408D1000-memory.dmp themida behavioral1/memory/2924-8-0x000000013FE70000-0x00000001408D1000-memory.dmp themida behavioral1/memory/2924-9-0x000000013FE70000-0x00000001408D1000-memory.dmp themida behavioral1/memory/2924-10-0x000000013FE70000-0x00000001408D1000-memory.dmp themida behavioral1/memory/2924-11-0x000000013FE70000-0x00000001408D1000-memory.dmp themida behavioral1/memory/2924-12-0x000000013FE70000-0x00000001408D1000-memory.dmp themida behavioral1/memory/2924-57-0x000000013FE70000-0x00000001408D1000-memory.dmp themida -
Processes:
4204b9d4c4df5c4b4d67922db24f342a.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 4204b9d4c4df5c4b4d67922db24f342a.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.
Processes:
flow ioc 4 api.myip.com 5 api.myip.com 8 ipinfo.io 9 ipinfo.io -
Drops file in System32 directory 4 IoCs
Processes:
4204b9d4c4df5c4b4d67922db24f342a.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy 4204b9d4c4df5c4b4d67922db24f342a.exe File opened for modification C:\Windows\System32\GroupPolicy\gpt.ini 4204b9d4c4df5c4b4d67922db24f342a.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol 4204b9d4c4df5c4b4d67922db24f342a.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI 4204b9d4c4df5c4b4d67922db24f342a.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
4204b9d4c4df5c4b4d67922db24f342a.exepid process 2924 4204b9d4c4df5c4b4d67922db24f342a.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\4204b9d4c4df5c4b4d67922db24f342a.exe"C:\Users\Admin\AppData\Local\Temp\4204b9d4c4df5c4b4d67922db24f342a.exe"1⤵
- Modifies firewall policy service
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:2924
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
68KB
MD529f65ba8e88c063813cc50a4ea544e93
SHA105a7040d5c127e68c25d81cc51271ffb8bef3568
SHA2561ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa
-
Filesize
177KB
MD5435a9ac180383f9fa094131b173a2f7b
SHA176944ea657a9db94f9a4bef38f88c46ed4166983
SHA25667dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA5121a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a