Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/05/2026, 19:56
Behavioral task
behavioral1
Sample
c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe
- Size 560KB
- Sample260502-yn2hpae141
- SHA256 c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae
- MD5 085cdc10e9925b6957c23e22d365848f
- SHA1 94543bf12c003f8d8193f700f47a98f47c76f3ed
- SHA512 3abb65988738bd58f6e75c562dd13c9f092d0a38eb72c3085a5af497e5f393e3946905b62721edb5e69e99e2746b080f8f9ca9620e3bd11c5571218a13e75bae
- SSDEEP 12288:S3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:iVOL4/gPXKCOkx2LFR
- TLSH T1F5C46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4332 81a2eb08 - 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 5 223.5.5.5 4652 c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe Destination IP 26 114.114.114.114 4652 c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe Destination IP 28 223.5.5.5 4652 c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe Destination IP 3 114.114.114.114 4652 c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 81a2eb08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 81a2eb08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 81a2eb08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 81a2eb08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 81a2eb08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 81a2eb08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 81a2eb08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 81a2eb08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 81a2eb08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 81a2eb08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 81a2eb08 File created C:\Windows\SysWOW64\81a2eb08 c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 81a2eb08 -
resource yara_rule behavioral1/memory/4652-0-0x0000000000230000-0x00000000002BC000-memory.dmp upx behavioral1/files/0x0008000000024448-2.dat upx behavioral1/memory/4332-4-0x0000000000B40000-0x0000000000BCC000-memory.dmp upx behavioral1/memory/4652-10-0x0000000000230000-0x00000000002BC000-memory.dmp upx behavioral1/memory/4332-11-0x0000000000B40000-0x0000000000BCC000-memory.dmp upx behavioral1/memory/4332-27-0x0000000000B40000-0x0000000000BCC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4a2a58 81a2eb08 File opened for modification C:\Windows\4fa4d8 c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.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 c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 81a2eb08 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 81a2eb08 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 81a2eb08 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 81a2eb08 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 81a2eb08 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 81a2eb08 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 81a2eb08 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 81a2eb08 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 81a2eb08 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 81a2eb08 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4332 81a2eb08 4332 81a2eb08 4332 81a2eb08 4332 81a2eb08 4332 81a2eb08 4332 81a2eb08 4332 81a2eb08 4332 81a2eb08 4652 c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe 4652 c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe 4652 c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe 4652 c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe 4652 c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe 4652 c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4652 c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe Token: SeTcbPrivilege 4652 c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe Token: SeDebugPrivilege 4332 81a2eb08 Token: SeTcbPrivilege 4332 81a2eb08
Processes
-
C:\Users\Admin\AppData\Local\Temp\c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.exe"C:\Users\Admin\AppData\Local\Temp\c318eec43c1c77cec9e84e04fe61479eaa7a7cd7426f15e179d713540f8fddae.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:4652
-
C:\Windows\Syswow64\81a2eb08C:\Windows\Syswow64\81a2eb081⤵
- 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:4332
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\81a2eb08
- Size 560KB
- SHA256 189faa3297cb3e02da5c4c76aa6fa9154a15797689b4f85a6899abc3cb094e38
- MD5 8e752430fcb664073d715b9b70dd43a0
- SHA1 3af42549ac4e1dc3e50f9c6e83747f18342ca99b
- SHA512 506f7e2b2a441b34f272729ef19541ef29a9712a167bd331e019eb39673c235a14595e7b8a19160768f19a1f91788fb1ee025a8cce57ce0d03040a3634728ae2
- SSDEEP 12288:B3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:zVOL4/gPXKCOkx2LFR
- TLSH T16DC46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH