Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/09/2026, 23:05
Behavioral task
behavioral1
Sample
687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe
- Size 766KB
- Sample260920-23cdwsvsc1
- SHA256 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747
- MD5 8a639a1c18b2273870e2d15cf263e17f
- SHA1 c120d89f7a89481b183946812241018357cd1e6b
- SHA512 a6a5a67765ea0112dfb22054923c8f5ddb29ae600fb8b7ef7a938df69574841abda1429f1ceff2bbb7a9b7afc02da7bf46b9f9c9d479aaf0e2612079f4c68159
- SSDEEP 12288:/SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:KvO2xJKRw2kOkx2LFRvcUV
- TLSH T172F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3588 f89aa78 - Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 4 223.5.5.5 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe Destination IP 16 114.114.114.114 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe Destination IP 17 223.5.5.5 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe Destination IP 1 114.114.114.114 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f89aa78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f89aa78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f89aa78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f89aa78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C f89aa78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C f89aa78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f89aa78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f89aa78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f89aa78 File created C:\Windows\SysWOW64\f89aa78 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f89aa78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f89aa78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f89aa78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f89aa78 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f89aa78 -
resource yara_rule behavioral2/memory/4104-0-0x0000000000BC0000-0x0000000000C4C000-memory.dmp upx behavioral2/memory/3588-3-0x00000000000A0000-0x000000000012C000-memory.dmp upx behavioral2/files/0x000b00000001b2c5-2.dat upx behavioral2/memory/4104-10-0x0000000000BC0000-0x0000000000C4C000-memory.dmp upx behavioral2/memory/3588-11-0x00000000000A0000-0x000000000012C000-memory.dmp upx behavioral2/memory/3588-31-0x00000000000A0000-0x000000000012C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3d6d88 f89aa78 File opened for modification C:\Windows\464310 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe - 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 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f89aa78 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f89aa78 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f89aa78 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f89aa78 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f89aa78 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f89aa78 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f89aa78 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f89aa78 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f89aa78 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f89aa78 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3588 f89aa78 3588 f89aa78 3588 f89aa78 3588 f89aa78 3588 f89aa78 3588 f89aa78 3588 f89aa78 3588 f89aa78 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe Token: SeTcbPrivilege 4104 687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe Token: SeDebugPrivilege 3588 f89aa78 Token: SeTcbPrivilege 3588 f89aa78
Processes
-
C:\Users\Admin\AppData\Local\Temp\687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe"C:\Users\Admin\AppData\Local\Temp\687cb4e56cbc28a0c102bd8ec2b1cde8b1aade7114fde853f295c8312574f747.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4104
-
C:\Windows\Syswow64\f89aa78C:\Windows\Syswow64\f89aa781⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3588
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f89aa78
- Size 766KB
- SHA256 ca09917c3a99832cc1771037baa19bd94d8c75e95e1e20a48bb5ecd8ee0a55a9
- MD5 7e49d2a111bb05cbd93c3fea28b34fc3
- SHA1 89cf88e72a0c7ed2b2f760fd620958a4cf83796a
- SHA512 487e1f3d34f2918ddc31419a51b307469e07ca6638c4d85543ab6d5b8c921c32fcf61121ae420f495dd35a015cd2569940fafb05c04235f1e9b01316f87eb5e1
- SSDEEP 12288:BSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:IvO2xJKRw2kOkx2LFRvcUV
- TLSH T176F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH