Analysis
- max time kernel
149s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 22:52
Behavioral task
behavioral1
Sample
ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe
- Size 873KB
- Sample260809-2td65aep9s
- SHA256 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31
- MD5 30049bf44e98c6552a3309c2e8c98df0
- SHA1 ca185dfed3e749d4c587822027b7f85eabcb1212
- SHA512 94d8b9c9352e85b1f77ed385baf7ecb30c15e96df2194c5af0ef9d8071f8d4ed04604bf1e7918e15534d75aad4d6e6e44610892e815269241d3508ba7185fccb
- SSDEEP 12288:NSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:MvO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T153156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4364 1c36f29c - 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 17 223.5.5.5 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe Destination IP 1 114.114.114.114 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe Destination IP 2 223.5.5.5 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe Destination IP 16 114.114.114.114 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1c36f29c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1c36f29c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1c36f29c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1c36f29c File created C:\Windows\SysWOW64\1c36f29c ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1c36f29c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1c36f29c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1c36f29c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 1c36f29c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 1c36f29c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 1c36f29c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 1c36f29c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1c36f29c -
resource yara_rule behavioral2/memory/2776-0-0x0000000000380000-0x000000000040C000-memory.dmp upx behavioral2/files/0x000600000001b85f-2.dat upx behavioral2/memory/4364-3-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx behavioral2/memory/2776-10-0x0000000000380000-0x000000000040C000-memory.dmp upx behavioral2/memory/4364-11-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx behavioral2/memory/4364-31-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2f86b0 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe File opened for modification C:\Windows\4ab698 1c36f29c - 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 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1c36f29c - 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 1c36f29c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1c36f29c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1c36f29c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1c36f29c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1c36f29c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1c36f29c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1c36f29c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1c36f29c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1c36f29c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4364 1c36f29c 4364 1c36f29c 4364 1c36f29c 4364 1c36f29c 4364 1c36f29c 4364 1c36f29c 4364 1c36f29c 4364 1c36f29c 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe Token: SeTcbPrivilege 2776 ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe Token: SeDebugPrivilege 4364 1c36f29c Token: SeTcbPrivilege 4364 1c36f29c
Processes
-
C:\Users\Admin\AppData\Local\Temp\ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.exe"C:\Users\Admin\AppData\Local\Temp\ea8d42c92e5d73b263b93fcaf386da3a3c8b396746aa6411c6e3f98135cc3d31.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:2776
-
C:\Windows\Syswow64\1c36f29cC:\Windows\Syswow64\1c36f29c1⤵
- 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:4364
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1c36f29c
- Size 873KB
- SHA256 90b43cc76a91e183a2a7d502649656082e1f1c4fe1bfd86323b175164b50dbaf
- MD5 9b3811a33f2e7472627d4113a387a909
- SHA1 37fa005c6bbd477d765df5efdf6f64dd9338706c
- SHA512 38a93dcbb48a5272f76a9ece5b38cd8c42a51948a2558b7f7fa98058f1fb3ee80034a4065a00b3274dd63e4611ce5c0561dd27f7656ea4c341b2029017d817f1
- SSDEEP 12288:cSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:vvO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T1A1156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH