Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/08/2026, 17:37
Behavioral task
behavioral1
Sample
b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe
- Size 576KB
- Sample260805-v7cf5ascph
- SHA256 b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07
- MD5 fc2162b8c2f99b7c9601596d5d07fa5c
- SHA1 61ba5bb6466c9468d5ce49df9686793703bfea1f
- SHA512 85594ecbb32e61b744cdce3aac52c06d16cd66e52ac8319300ab3363c7dc8b43e7f9aeda3a820445eb1248e6d54c30ff90b27b102488adf74859a9ec7099f738
- SSDEEP 6144:ccTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:cSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T10CC46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3008 ebd38b47 - 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 42 223.5.5.5 560 b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe Destination IP 3 114.114.114.114 560 b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe Destination IP 4 223.5.5.5 560 b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe Destination IP 40 114.114.114.114 560 b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 ebd38b47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ebd38b47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ebd38b47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content ebd38b47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ebd38b47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C ebd38b47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ebd38b47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData ebd38b47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C ebd38b47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ebd38b47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft ebd38b47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache ebd38b47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ebd38b47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ebd38b47 File created C:\Windows\SysWOW64\ebd38b47 b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe -
resource yara_rule behavioral1/memory/560-0-0x0000000000530000-0x00000000005BC000-memory.dmp upx behavioral1/memory/3008-3-0x0000000000D80000-0x0000000000E0C000-memory.dmp upx behavioral1/files/0x000a00000002433e-2.dat upx behavioral1/memory/560-13-0x0000000000530000-0x00000000005BC000-memory.dmp upx behavioral1/memory/3008-14-0x0000000000D80000-0x0000000000E0C000-memory.dmp upx behavioral1/memory/3008-27-0x0000000000D80000-0x0000000000E0C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\99660 b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe File opened for modification C:\Windows\337f80 ebd38b47 - 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 b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ebd38b47 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix ebd38b47 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" ebd38b47 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" ebd38b47 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ebd38b47 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" ebd38b47 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" ebd38b47 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ebd38b47 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ebd38b47 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing ebd38b47 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3008 ebd38b47 3008 ebd38b47 3008 ebd38b47 3008 ebd38b47 3008 ebd38b47 3008 ebd38b47 3008 ebd38b47 3008 ebd38b47 560 b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe 560 b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe 560 b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe 560 b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe 560 b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe 560 b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 560 b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe Token: SeTcbPrivilege 560 b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe Token: SeDebugPrivilege 3008 ebd38b47 Token: SeTcbPrivilege 3008 ebd38b47
Processes
-
C:\Users\Admin\AppData\Local\Temp\b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.exe"C:\Users\Admin\AppData\Local\Temp\b81f61219e4c7ab5ff1852f3edae33bd0d5e7653170b36db66b03d6ea4a27f07.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:560
-
C:\Windows\Syswow64\ebd38b47C:\Windows\Syswow64\ebd38b471⤵
- 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:3008
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ebd38b47
- Size 576KB
- SHA256 c01504a5408755828bdca8c12f723ce52b7e7cd1c7f0c38db8163e33f4d7805a
- MD5 1cf7c9e116ce4fd447a8e85eb7938280
- SHA1 e4f3bae02205744313a7ec10486d2eb66cac918c
- SHA512 2009045caadc1b57a09b69932ca1740cdf2983c0cf299813dbff3d5fab6759937f27e05efdc5a0205bbd279ca8544115e122d7ba1a621871cf9eda77f2a25c10
- SSDEEP 6144:wcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:wSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T1DBC46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH