Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/08/2026, 16:27
Behavioral task
behavioral1
Sample
5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe
- Size 640KB
- Sample260816-tybmssek91
- SHA256 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb
- MD5 2b7fad1eebbb7b4be8b9b7f318895163
- SHA1 92f20cd7fc89f5f52ff17538833a0b207d08efcf
- SHA512 89828d44bdb3bed03e94e6423abd55f8fcd54672643f0131f450e2e38d081d8daa5f7e365468edf9e5beff18bf9ea81dfa84854e90e2a5f683c067bad0e09e1a
- SSDEEP 6144:gcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:gSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1F2D45B35A6808036C0B74631C6F64BAAF9B5BC21631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4196 fe21b0de - 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 1 114.114.114.114 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe Destination IP 2 223.5.5.5 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe Destination IP 15 114.114.114.114 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe Destination IP 16 223.5.5.5 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache fe21b0de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fe21b0de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fe21b0de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 fe21b0de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content fe21b0de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 fe21b0de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fe21b0de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 fe21b0de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 fe21b0de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData fe21b0de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fe21b0de File created C:\Windows\SysWOW64\fe21b0de 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE fe21b0de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies fe21b0de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft fe21b0de -
resource yara_rule behavioral2/memory/2956-0-0x0000000000400000-0x000000000048C000-memory.dmp upx behavioral2/files/0x000c00000001b87d-2.dat upx behavioral2/memory/4196-3-0x00000000005D0000-0x000000000065C000-memory.dmp upx behavioral2/memory/2956-10-0x0000000000400000-0x000000000048C000-memory.dmp upx behavioral2/memory/4196-11-0x00000000005D0000-0x000000000065C000-memory.dmp upx behavioral2/memory/4196-36-0x00000000005D0000-0x000000000065C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\47d648 fe21b0de File opened for modification C:\Windows\329b98 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.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 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fe21b0de - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" fe21b0de Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" fe21b0de Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" fe21b0de Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" fe21b0de Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ fe21b0de Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" fe21b0de Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing fe21b0de Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix fe21b0de Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" fe21b0de - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4196 fe21b0de 4196 fe21b0de 4196 fe21b0de 4196 fe21b0de 4196 fe21b0de 4196 fe21b0de 4196 fe21b0de 4196 fe21b0de 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe Token: SeTcbPrivilege 2956 5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe Token: SeDebugPrivilege 4196 fe21b0de Token: SeTcbPrivilege 4196 fe21b0de
Processes
-
C:\Users\Admin\AppData\Local\Temp\5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.exe"C:\Users\Admin\AppData\Local\Temp\5ab400623d78b7891de87a1413aec37244e6a79ad06155fa2fdc86e8710bc1eb.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:2956
-
C:\Windows\Syswow64\fe21b0deC:\Windows\Syswow64\fe21b0de1⤵
- 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:4196
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\fe21b0de
- Size 640KB
- SHA256 5908242273f2b8438930172f62a3e50535a214ea8601e30a0f96fb8aaf2412a3
- MD5 c30aad5b9766637dd21fe111b68ed5b0
- SHA1 8243b265924162812b203806c49e582d309c0305
- SHA512 6083ced9800c05d72eb7e477c78967cbbbb3a9ee439413151e191139fa7a81df2c2c537375a2d141264b3d28d1cbbc549f21c262e574eb352ca22bbbee9249c3
- SSDEEP 6144:zcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:zSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T17BD45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH