Analysis
- max time kernel
144s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/08/2026, 02:16
Behavioral task
behavioral1
Sample
f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe
- Size 830KB
- Sample260824-cqabbsbh39
- SHA256 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6
- MD5 93d67cc96f3b6bd8c307f15dbe72b5ce
- SHA1 dc5a1837c57e777d0d2aec815ad20b8b98de34b3
- SHA512 bf118b381e76a88c68d0513d4107814776f1d1a66b8d827eb6f1bdacb95dcd8ce5d4f651dc5776c753fadf1be7fb9036fe7f6b26d563aed8047a1fdd30875216
- SSDEEP 12288:CSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:JvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T163055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3760 b9838bb1 - Unexpected DNS network traffic destination 10 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 7 223.5.5.5 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe Destination IP 41 114.114.114.114 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe Destination IP 43 223.5.5.5 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe Destination IP 105 114.114.114.114 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe Destination IP 108 223.5.5.5 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe Destination IP 163 114.114.114.114 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe Destination IP 1 114.114.114.114 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe Destination IP 42 114.114.114.114 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe Destination IP 45 223.5.5.5 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe Destination IP 164 223.5.5.5 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b9838bb1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b9838bb1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b9838bb1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b9838bb1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b9838bb1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b9838bb1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b9838bb1 File created C:\Windows\SysWOW64\b9838bb1 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b9838bb1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b9838bb1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b9838bb1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b9838bb1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b9838bb1 -
resource yara_rule behavioral2/memory/1968-0-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx behavioral2/files/0x000a00000001136f-4.dat upx behavioral2/memory/3760-3-0x0000000000CC0000-0x0000000000D4C000-memory.dmp upx behavioral2/memory/1968-16-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx behavioral2/memory/3760-17-0x0000000000CC0000-0x0000000000D4C000-memory.dmp upx behavioral2/memory/3760-34-0x0000000000CC0000-0x0000000000D4C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\405f60 b9838bb1 File opened for modification C:\Windows\21b160 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.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 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b9838bb1 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b9838bb1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b9838bb1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b9838bb1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b9838bb1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b9838bb1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b9838bb1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b9838bb1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b9838bb1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b9838bb1 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3760 b9838bb1 3760 b9838bb1 3760 b9838bb1 3760 b9838bb1 3760 b9838bb1 3760 b9838bb1 3760 b9838bb1 3760 b9838bb1 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe Token: SeTcbPrivilege 1968 f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe Token: SeDebugPrivilege 3760 b9838bb1 Token: SeTcbPrivilege 3760 b9838bb1
Processes
-
C:\Users\Admin\AppData\Local\Temp\f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe"C:\Users\Admin\AppData\Local\Temp\f753e2d4b11951e44b028ee53c61b0adc07a271fd8b3e14ddd7d06dc6645c7b6.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1968
-
C:\Windows\Syswow64\b9838bb1C:\Windows\Syswow64\b9838bb11⤵
- 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:3760
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b9838bb1
- Size 830KB
- SHA256 44c177d816c9f9b2d0736115bea03fb592d13e3b9b302a5479cc478ea54a11b4
- MD5 b981de9ac23d87ec51b2f69fbed55144
- SHA1 79428424372fbab32da27762d74d24a1508e8882
- SHA512 353149321fe3c132034f64c647fe1e61ec396063aea221b15b7126edbcae2b7c3811d4ac5c143bd1e233ed60fec55a1d8cca6ba450f506f6d9f62352f645411b
- SSDEEP 12288:iSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:pvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T16A055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH