Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
23/04/2026, 22:18
Behavioral task
behavioral1
Sample
76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe
- Size 761KB
- Sample260423-17zvbahs6p
- SHA256 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf
- MD5 257c0d4f8ef6ea219b6839b44cbb8ec5
- SHA1 ad9c256117e44942bedaf145cdf4582f35a14ef5
- SHA512 61381c03b6d9aba264b80b97a48dd912ace85f2faa55425ca620c97394878725d5ca0689db6c6ac9dec3376c2cee26201d1cadf06120128cd491656d067d5037
- SSDEEP 12288:tSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:svO2xJKRw2kOkxSkW298B
- TLSH T1D3F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3420 de358ef0 - 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 9 223.5.5.5 5024 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe Destination IP 1 114.114.114.114 5024 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe Destination IP 2 223.5.5.5 5024 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe Destination IP 8 114.114.114.114 5024 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\de358ef0 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 de358ef0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 de358ef0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 de358ef0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies de358ef0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 de358ef0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content de358ef0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C de358ef0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C de358ef0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 de358ef0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE de358ef0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft de358ef0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache de358ef0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData de358ef0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 de358ef0 -
resource yara_rule behavioral2/memory/5024-0-0x0000000000610000-0x000000000069C000-memory.dmp upx behavioral2/files/0x001d00000002b1fd-2.dat upx behavioral2/memory/3420-4-0x00000000006B0000-0x000000000073C000-memory.dmp upx behavioral2/memory/5024-10-0x0000000000610000-0x000000000069C000-memory.dmp upx behavioral2/memory/3420-11-0x00000000006B0000-0x000000000073C000-memory.dmp upx behavioral2/memory/3420-28-0x00000000006B0000-0x000000000073C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3a8d38 de358ef0 File opened for modification C:\Windows\560340 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.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 de358ef0 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe - 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 de358ef0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ de358ef0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" de358ef0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" de358ef0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" de358ef0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" de358ef0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" de358ef0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" de358ef0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing de358ef0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3420 de358ef0 3420 de358ef0 3420 de358ef0 3420 de358ef0 3420 de358ef0 3420 de358ef0 3420 de358ef0 3420 de358ef0 5024 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe 5024 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe 5024 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe 5024 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe 5024 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe 5024 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5024 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe Token: SeTcbPrivilege 5024 76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe Token: SeDebugPrivilege 3420 de358ef0 Token: SeTcbPrivilege 3420 de358ef0
Processes
-
C:\Users\Admin\AppData\Local\Temp\76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.exe"C:\Users\Admin\AppData\Local\Temp\76ce5624ad057a9604ac9c95153edbdc7b64aab529e54769376577d63f29c5cf.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:5024
-
C:\Windows\Syswow64\de358ef0C:\Windows\Syswow64\de358ef01⤵
- 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:3420
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\de358ef0
- Size 761KB
- SHA256 9918621407bd90615fe10650e706665917ec66c796e00c46cd80878eebc46a93
- MD5 c284fca7c8367cac7bc39f40a2bdf999
- SHA1 22f42bd7f702021c20cadc6c495944e8f5dcf711
- SHA512 aae364c4d2c8523bb056f597ada62bb6d28b0ccc5bd3a4982bb849e0ba58c7b55926b1b8adef521a6e065560f3af3d0aa610a42bdc242a8f4155eeaac624c819
- SSDEEP 12288:cSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:vvO2xJKRw2kOkxSkW298B
- TLSH T129F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH