Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/08/2026, 19:55
Behavioral task
behavioral1
Sample
4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe
- Size 761KB
- Sample260818-ynapzagm8w
- SHA256 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3
- MD5 b42d9440a8e10997db1539da84e8e1f9
- SHA1 dbd9d9b23e01d1365cf92214d297db7760aba328
- SHA512 d9f3019486f049d0da293d55ad5483f86744f8873581eac127935ed3e0f1c60de4066a906ee641a8de81493fb06f8e137de66606d65f62761d1225fb1bf1a870
- SSDEEP 12288:1SvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:0vO2xJKRw2kOkxSkW298B
- TLSH T13FF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2660 af1c73e0 - 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 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe Destination IP 2 223.5.5.5 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe Destination IP 9 114.114.114.114 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe Destination IP 10 223.5.5.5 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 af1c73e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content af1c73e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 af1c73e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 af1c73e0 File created C:\Windows\SysWOW64\af1c73e0 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 af1c73e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies af1c73e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData af1c73e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 af1c73e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE af1c73e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 af1c73e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft af1c73e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache af1c73e0 -
resource yara_rule behavioral2/memory/1628-0-0x0000000000EF0000-0x0000000000F7C000-memory.dmp upx behavioral2/files/0x0007000000011394-2.dat upx behavioral2/memory/2660-3-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx behavioral2/memory/1628-10-0x0000000000EF0000-0x0000000000F7C000-memory.dmp upx behavioral2/memory/2660-11-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx behavioral2/memory/2660-31-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2d8a48 af1c73e0 File opened for modification C:\Windows\1bdf38 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.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 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language af1c73e0 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ af1c73e0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" af1c73e0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" af1c73e0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix af1c73e0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" af1c73e0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" af1c73e0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" af1c73e0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" af1c73e0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing af1c73e0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2660 af1c73e0 2660 af1c73e0 2660 af1c73e0 2660 af1c73e0 2660 af1c73e0 2660 af1c73e0 2660 af1c73e0 2660 af1c73e0 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe Token: SeTcbPrivilege 1628 4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe Token: SeDebugPrivilege 2660 af1c73e0 Token: SeTcbPrivilege 2660 af1c73e0
Processes
-
C:\Users\Admin\AppData\Local\Temp\4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.exe"C:\Users\Admin\AppData\Local\Temp\4c3244290a58ef8050e2572c7c51ee6234d089f8dcd93795f58e54d6a70543a3.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:1628
-
C:\Windows\Syswow64\af1c73e0C:\Windows\Syswow64\af1c73e01⤵
- 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:2660
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\af1c73e0
- Size 761KB
- SHA256 d6592a049daa4d0a91cf9c6ec0b8b585fcb1fae8a026d6a4e351ee8fd7bbc612
- MD5 03f4b3c3cef3a41e94b3c5b6d135ef4c
- SHA1 7a27d8376c55ec3ef26fb8a7dff170e275a10038
- SHA512 515841faf7652445747d0cb2d40a166156663046c1ff319b65207c36d293f93990f3405a61d7bdf43804db44c1ef451b708924903e12f8bd3f21d936b27e68c4
- SSDEEP 12288:ESvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:3vO2xJKRw2kOkxSkW298B
- TLSH T1CAF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH