Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/08/2026, 21:55
Behavioral task
behavioral1
Sample
853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe
Resource
win11ltsc2024-20260710-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe
- Size 1.4MB
- Sample260819-1stdzsam5w
- SHA256 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae
- MD5 89c3ce66153d4f890c114acd282a52e9
- SHA1 ae02277cf11c58a7bb4aa508e12e6199510ea0af
- SHA512 f561961d439e53223f4780f334d6df7a7d848247d71352752f00a7aba1bd88d8f2013231fd08bdd0fcc98651de3aabf3b82c9f8c5cc698116c49cd0ec32c0836
- SSDEEP 24576:YjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:YTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1B8658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1464 2fb832ac - 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 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe Destination IP 3 223.5.5.5 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe Destination IP 19 114.114.114.114 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe Destination IP 20 223.5.5.5 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.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\IE 2fb832ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 2fb832ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 2fb832ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 2fb832ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2fb832ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2fb832ac File created C:\Windows\SysWOW64\2fb832ac 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2fb832ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 2fb832ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 2fb832ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 2fb832ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2fb832ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2fb832ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2fb832ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2fb832ac -
resource yara_rule behavioral2/memory/2800-0-0x0000000000520000-0x00000000005A9000-memory.dmp upx behavioral2/files/0x0009000000011380-2.dat upx behavioral2/memory/1464-3-0x00000000003D0000-0x0000000000459000-memory.dmp upx behavioral2/memory/2800-10-0x0000000000520000-0x00000000005A9000-memory.dmp upx behavioral2/memory/1464-12-0x00000000003D0000-0x0000000000459000-memory.dmp upx behavioral2/memory/1464-20-0x00000000003D0000-0x0000000000459000-memory.dmp upx behavioral2/memory/2800-31-0x0000000000520000-0x00000000005A9000-memory.dmp upx behavioral2/memory/1464-32-0x00000000003D0000-0x0000000000459000-memory.dmp upx behavioral2/memory/1464-41-0x00000000003D0000-0x0000000000459000-memory.dmp upx behavioral2/memory/2800-45-0x0000000000520000-0x00000000005A9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\191070 2fb832ac File opened for modification C:\Windows\2fefe0 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.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 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2fb832ac - 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 2fb832ac Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2fb832ac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2fb832ac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2fb832ac Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 2fb832ac Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2fb832ac Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2fb832ac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2fb832ac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2fb832ac - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 2fb832ac Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 2fb832ac - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1464 2fb832ac 1464 2fb832ac 1464 2fb832ac 1464 2fb832ac 1464 2fb832ac 1464 2fb832ac 1464 2fb832ac 1464 2fb832ac 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe Token: SeTcbPrivilege 2800 853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe Token: SeDebugPrivilege 1464 2fb832ac Token: SeTcbPrivilege 1464 2fb832ac
Processes
-
C:\Users\Admin\AppData\Local\Temp\853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.exe"C:\Users\Admin\AppData\Local\Temp\853a1e8500cb16975d5a478f41bd2e5833ff90f3816ccc14e984f6cb1a3a21ae.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:2800
-
C:\Windows\Syswow64\2fb832acC:\Windows\Syswow64\2fb832ac1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1464
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\2fb832ac
- Size 1.4MB
- SHA256 eb76bec7a3e32a6a5e022391f787d70b67165a4dc4706bcb3025fdc6f10b5f6c
- MD5 42e5df02512e7f4823a4a989c6d8b9bc
- SHA1 b6949fe45cbeb80ab86ed668ae93eedc8e03a0ab
- SHA512 724c84f7e77b495797eb35500c460e61c7332a213ae62fc9372a16271ba269fe630b35d40da6882e5db32eb26766404b6cf0154e410345af9b08c89efa7ee4b9
- SSDEEP 24576:IjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:ITGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T160658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH