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
08/08/2026, 17:48
Behavioral task
behavioral1
Sample
2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe
- Size 830KB
- Sample260808-wdvahssamd
- SHA256 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b
- MD5 30fc5973d98179e43d544e07a9108549
- SHA1 147e614dcf20ac50c1fc1bdd6aea0c85bf1a2af1
- SHA512 2b453810e11146f6ffc447afd12c829f6b9468a6675e62ab63ff54f24f7678f929484def52356bf114c4a04f27093ab5f55af7c47fbc4637616af2d946953d82
- SSDEEP 12288:4SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:TvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T14D055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3208 f8aeeb9a - 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 3 114.114.114.114 940 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe Destination IP 4 223.5.5.5 940 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe Destination IP 36 114.114.114.114 940 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe Destination IP 37 223.5.5.5 940 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f8aeeb9a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f8aeeb9a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 f8aeeb9a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f8aeeb9a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f8aeeb9a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C f8aeeb9a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C f8aeeb9a File created C:\Windows\SysWOW64\f8aeeb9a 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f8aeeb9a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 f8aeeb9a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f8aeeb9a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f8aeeb9a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f8aeeb9a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f8aeeb9a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f8aeeb9a -
resource yara_rule behavioral1/memory/940-0-0x00000000000B0000-0x000000000013C000-memory.dmp upx behavioral1/files/0x000a0000000241e7-2.dat upx behavioral1/memory/3208-4-0x00000000006E0000-0x000000000076C000-memory.dmp upx behavioral1/memory/940-10-0x00000000000B0000-0x000000000013C000-memory.dmp upx behavioral1/memory/3208-11-0x00000000006E0000-0x000000000076C000-memory.dmp upx behavioral1/memory/3208-28-0x00000000006E0000-0x000000000076C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\36ec10 f8aeeb9a File opened for modification C:\Windows\1017d8 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.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 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f8aeeb9a - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f8aeeb9a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f8aeeb9a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f8aeeb9a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f8aeeb9a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f8aeeb9a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f8aeeb9a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f8aeeb9a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f8aeeb9a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f8aeeb9a - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3208 f8aeeb9a 3208 f8aeeb9a 3208 f8aeeb9a 3208 f8aeeb9a 3208 f8aeeb9a 3208 f8aeeb9a 3208 f8aeeb9a 3208 f8aeeb9a 940 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe 940 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe 940 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe 940 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe 940 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe 940 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 940 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe Token: SeTcbPrivilege 940 2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe Token: SeDebugPrivilege 3208 f8aeeb9a Token: SeTcbPrivilege 3208 f8aeeb9a
Processes
-
C:\Users\Admin\AppData\Local\Temp\2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.exe"C:\Users\Admin\AppData\Local\Temp\2fd296cf07a913452ac7432da6aad96f289caafcd31e8f35e8692d03cafe522b.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:940
-
C:\Windows\Syswow64\f8aeeb9aC:\Windows\Syswow64\f8aeeb9a1⤵
- 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:3208
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f8aeeb9a
- Size 830KB
- SHA256 605cb48ea4f0cfebf56fb59a7d856b7fc581939ba9a295f2110718658a39d8cf
- MD5 fe2fa9e5be25ee4094ecbf484b811da5
- SHA1 656b618efc67e03ef1401f7d49bdac5bee7baf40
- SHA512 d2cb7d7fa05a8bf5bddd21a7c43e525c7164594ba3e6c680e68d0fcd23ab94b459fee39834506754d4e16326c7c48ab756ab7a2f0b02745abf1abb917eb77c68
- SSDEEP 12288:ESvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:3vO2xJKRw2kOkx2LFRvcUQPK
- TLSH T198055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH