Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/08/2026, 19:08
Behavioral task
behavioral1
Sample
79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe
- Size 576KB
- Sample260802-xtbc1see79
- SHA256 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b
- MD5 d925af68f54a0fafe88ebd49fd54005b
- SHA1 3973db0650729f1c41d2d0ab7e8d4fe2058fd9a2
- SHA512 da3e3c82da624bd9a6451419791a31f776bc44a1062bbc6a61af41297f5c8e869d2609b6bb43c9d8c7e5102c4d93c2447a5efe347e0bdb9af1539a21a3a88b36
- SSDEEP 6144:2cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:2SvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T1B0C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1272 ebc1bd6c - 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 2 114.114.114.114 1984 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe Destination IP 3 223.5.5.5 1984 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe Destination IP 40 114.114.114.114 1984 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe Destination IP 42 223.5.5.5 1984 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft ebc1bd6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 ebc1bd6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content ebc1bd6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ebc1bd6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ebc1bd6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData ebc1bd6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ebc1bd6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 ebc1bd6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache ebc1bd6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ebc1bd6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ebc1bd6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ebc1bd6c File created C:\Windows\SysWOW64\ebc1bd6c 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 ebc1bd6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ebc1bd6c -
resource yara_rule behavioral1/memory/1984-0-0x0000000000DA0000-0x0000000000E2C000-memory.dmp upx behavioral1/files/0x00070000000238c4-2.dat upx behavioral1/memory/1272-4-0x00000000006D0000-0x000000000075C000-memory.dmp upx behavioral1/memory/1984-18-0x0000000000DA0000-0x0000000000E2C000-memory.dmp upx behavioral1/memory/1272-19-0x00000000006D0000-0x000000000075C000-memory.dmp upx behavioral1/memory/1272-24-0x00000000006D0000-0x000000000075C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\15c6f0 ebc1bd6c File opened for modification C:\Windows\21f780 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.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 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ebc1bd6c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ebc1bd6c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix ebc1bd6c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" ebc1bd6c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" ebc1bd6c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing ebc1bd6c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" ebc1bd6c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ebc1bd6c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" ebc1bd6c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ebc1bd6c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1272 ebc1bd6c 1272 ebc1bd6c 1272 ebc1bd6c 1272 ebc1bd6c 1272 ebc1bd6c 1272 ebc1bd6c 1272 ebc1bd6c 1272 ebc1bd6c 1984 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe 1984 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe 1984 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe 1984 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe 1984 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe 1984 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1984 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe Token: SeTcbPrivilege 1984 79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe Token: SeDebugPrivilege 1272 ebc1bd6c Token: SeTcbPrivilege 1272 ebc1bd6c
Processes
-
C:\Users\Admin\AppData\Local\Temp\79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.exe"C:\Users\Admin\AppData\Local\Temp\79519c03ad163c485340d8693fca3df47c018972ba1eccf786b5660e9ad92a3b.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:1984
-
C:\Windows\Syswow64\ebc1bd6cC:\Windows\Syswow64\ebc1bd6c1⤵
- 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:1272
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ebc1bd6c
- Size 576KB
- SHA256 14e60071dfb6224c20fa4196a207f48fa8a83fe1d6628e5695eb5044fe790fbf
- MD5 17eb99addf9173ff69051909572d2a3b
- SHA1 a7f0dbb3df29a484b4ee037fef2c471aa356a20b
- SHA512 87a88a47ca62b6e016e490975682e3d90c7f928d76d541cbc4f4a2c79e86682b86630ce4798b24f9875cf43bd3bb19af376c42a9f8775b528d30809231959488
- SSDEEP 6144:6cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:6SvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T1CFC46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH