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
29/05/2026, 08:20
Behavioral task
behavioral1
Sample
7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe
- Size 768KB
- Sample260529-j8w2daft2k
- SHA256 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521
- MD5 7d44b712878f584f1af9923054811f36
- SHA1 6b18a2e197445faa567b79bb42bb6ba8d6f24f50
- SHA512 820485c7b31862e87b92a8f2529f02d8dc0d5b51cd997f0cec5e39554db63f62cef1b9a9c6632a7a10ac3f62abf83a06e623caffddf7bcfb718987530f1efd95
- SSDEEP 12288:+qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybA:+jHPOSOkx2LFscUQPxuZ98c
- TLSH T1B1F48D31E201C03AD4A74572C6BE0BBFA5687D25432561C7A3D87D6A2FB71D2AA3170F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2620 c14efeef - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 72 223.5.5.5 5012 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe Destination IP 131 114.114.114.114 5012 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe Destination IP 132 223.5.5.5 5012 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe Destination IP 3 114.114.114.114 5012 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe Destination IP 5 223.5.5.5 5012 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe Destination IP 71 114.114.114.114 5012 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C c14efeef File created C:\Windows\SysWOW64\c14efeef 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c14efeef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c14efeef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c14efeef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c14efeef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c14efeef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C c14efeef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c14efeef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c14efeef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c14efeef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c14efeef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c14efeef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c14efeef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c14efeef -
resource yara_rule behavioral1/memory/5012-0-0x00000000002E0000-0x0000000000369000-memory.dmp upx behavioral1/files/0x000a0000000244c7-2.dat upx behavioral1/memory/2620-4-0x00000000001D0000-0x0000000000259000-memory.dmp upx behavioral1/memory/5012-13-0x00000000002E0000-0x0000000000369000-memory.dmp upx behavioral1/memory/2620-15-0x00000000001D0000-0x0000000000259000-memory.dmp upx behavioral1/memory/5012-35-0x00000000002E0000-0x0000000000369000-memory.dmp upx behavioral1/memory/2620-36-0x00000000001D0000-0x0000000000259000-memory.dmp upx behavioral1/memory/5012-39-0x00000000002E0000-0x0000000000369000-memory.dmp upx behavioral1/memory/5012-45-0x00000000002E0000-0x0000000000369000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2cdaf8 c14efeef File opened for modification C:\Windows\55cea8 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.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 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c14efeef - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c14efeef Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c14efeef Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c14efeef Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c14efeef Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c14efeef Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c14efeef Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c14efeef Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c14efeef Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c14efeef - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2620 c14efeef 2620 c14efeef 2620 c14efeef 2620 c14efeef 2620 c14efeef 2620 c14efeef 2620 c14efeef 2620 c14efeef 5012 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe 5012 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe 5012 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe 5012 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe 5012 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe 5012 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5012 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe Token: SeTcbPrivilege 5012 7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe Token: SeDebugPrivilege 2620 c14efeef Token: SeTcbPrivilege 2620 c14efeef
Processes
-
C:\Users\Admin\AppData\Local\Temp\7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.exe"C:\Users\Admin\AppData\Local\Temp\7f7ebf8e936777cbff686f1a966857c84f85c666848b25a167887e4a3a0db521.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:5012
-
C:\Windows\Syswow64\c14efeefC:\Windows\Syswow64\c14efeef1⤵
- 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:2620
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c14efeef
- Size 768KB
- SHA256 b25a8398048c735b4a4aae0718f66300a67bf9b9a2cc000977a41fab13e49938
- MD5 a328213c9804fb82e9ec28e09334f39c
- SHA1 289f09b746c727f5492425e54997ab7a069f88b2
- SHA512 a902a202f64a2d53ac7e112eee9a3b547a22a6d7e1fe39d5de20924b03b3ef188901d66e56d9f8de68ca0ca732fde9228b31569daf9e99bb69740f0d78144741
- SSDEEP 12288:SqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybA:SjHPOSOkx2LFscUQPxuZ98c
- TLSH T195F48D31E201C03AD4A74572C6BE0BBFA5687D25432561C7A3D87D6A2FB71D2AA3170F
- MD5 SHA1 SHA512 SSDEEP TLSH