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
19/08/2026, 15:48
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe
- Size 832KB
- Sample260819-s85sysxeph
- SHA256 a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065
- MD5 0bf57879f784bedd0ba7eea35e9bb6a9
- SHA1 3198be91128b5c5c7aab235178bf4b2e459e6e28
- SHA512 02b6edde65899f2614ee74601caeb9d2d84c226932d4a2464b8d047d79886446cdadd994c9fea98cc13e9b8796fa5bc7fa437effc6a483f69603ee64842de619
- SSDEEP 12288:LSvO2x9mONvKRILSFnOkx2LIaxy6RJ05FAQjU/LU:+vO2xJKRI2FOkx2LFEAcUY
- TLSH T107056C22F241C13AD4A7467185FE07ABA674BD10571257CBA3847B2A1FB36D2BE31B0D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2468 b431abc2 - 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 3120 a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe Destination IP 4 223.5.5.5 3120 a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe Destination IP 28 114.114.114.114 3120 a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe Destination IP 29 223.5.5.5 3120 a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b431abc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C b431abc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b431abc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b431abc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b431abc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 b431abc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b431abc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C b431abc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b431abc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b431abc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b431abc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b431abc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b431abc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b431abc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b431abc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 b431abc2 File created C:\Windows\SysWOW64\b431abc2 a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2a40c8 b431abc2 File opened for modification C:\Windows\356a60 a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.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 a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b431abc2 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b431abc2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b431abc2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b431abc2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b431abc2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b431abc2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b431abc2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b431abc2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b431abc2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b431abc2 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2468 b431abc2 2468 b431abc2 2468 b431abc2 2468 b431abc2 2468 b431abc2 2468 b431abc2 2468 b431abc2 2468 b431abc2 3120 a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe 3120 a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe 3120 a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe 3120 a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe 3120 a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe 3120 a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3120 a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe Token: SeTcbPrivilege 3120 a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe Token: SeDebugPrivilege 2468 b431abc2 Token: SeTcbPrivilege 2468 b431abc2
Processes
-
C:\Users\Admin\AppData\Local\Temp\a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.exe"C:\Users\Admin\AppData\Local\Temp\a1894d5a49a47db103b62a3ce4e2875ea9584d4f04c34c3238cad4600f9c2065.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:3120
-
C:\Windows\Syswow64\b431abc2C:\Windows\Syswow64\b431abc21⤵
- 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:2468
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b431abc2
- Size 832KB
- SHA256 ee2e04b9b9b17abeaa8ba61a87789c6caedc8b36db87f004a805681eba728787
- MD5 033e90fc720021a93c232e5e66abe9c2
- SHA1 a438ca481511f6f472168e706dcf1e0e892948be
- SHA512 15d61ef795a74ac464b8605b0d7d43cd960b32b8db4905ea1df0131cef36be7f6222353140c098e48719de23383cae08f750d731009575e8fcc116fbd24369a2
- SSDEEP 12288:sSvO2x9mONvKRILSFnOkx2LIaxy6RJ05FAQjU/LU:fvO2xJKRI2FOkx2LFEAcUY
- TLSH T18A056C22F241C13AD4A7467185FE07ABA674BD10571257CBA3847B2A1FB36D2BE31B0D
- MD5 SHA1 SHA512 SSDEEP TLSH