Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
18/08/2026, 03:04
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe
Resource
win11ltsc2024-20260710-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe
- Size 4.8MB
- Sample260818-dk4tesdl4x
- SHA256 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d
- MD5 7de144f1f1061081be801130523c74cf
- SHA1 ee85e33406505823f2ca96e2cf8ae61317590c93
- SHA512 c8f68f04c794baaff586ef0267a55d70d4e44e29f6b4ac642587a37f9770d4e99895d6e614b7eddf02498e6d46a33ee1877c4eb1e231276dd0b47e300a7d62a8
- SSDEEP 49152:SHHKO29Ql5QZuTtS0rQMYOQ+q8CEPfTG4Q2TGHQe9KFeMx///x:SnKdmWsM0r1QnIK4PKHd0FeS///x
- TLSH T1F4367D12B780C236D4AA473189AF43AA5778FD114B2687CB7384772E1E736D29F31B19
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3272 b835ecc4 - Unexpected DNS network traffic destination 10 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 46 114.114.114.114 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe Destination IP 49 223.5.5.5 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe Destination IP 54 223.5.5.5 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe Destination IP 114 223.5.5.5 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe Destination IP 178 114.114.114.114 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe Destination IP 3 114.114.114.114 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe Destination IP 7 223.5.5.5 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe Destination IP 48 114.114.114.114 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe Destination IP 113 114.114.114.114 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe Destination IP 179 223.5.5.5 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b835ecc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b835ecc4 File created C:\Windows\SysWOW64\b835ecc4 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b835ecc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b835ecc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b835ecc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b835ecc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b835ecc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b835ecc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b835ecc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b835ecc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b835ecc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b835ecc4 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\380490 b835ecc4 File opened for modification C:\Windows\faea8 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.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 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b835ecc4 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b835ecc4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b835ecc4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b835ecc4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b835ecc4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b835ecc4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b835ecc4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b835ecc4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b835ecc4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b835ecc4 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3272 b835ecc4 3272 b835ecc4 3272 b835ecc4 3272 b835ecc4 3272 b835ecc4 3272 b835ecc4 3272 b835ecc4 3272 b835ecc4 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe Token: SeTcbPrivilege 916 eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe Token: SeDebugPrivilege 3272 b835ecc4 Token: SeTcbPrivilege 3272 b835ecc4
Processes
-
C:\Users\Admin\AppData\Local\Temp\eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.exe"C:\Users\Admin\AppData\Local\Temp\eff407c704ce2271509a25621eeca61fd4bc64c292c937c97531350019ed747d.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:916
-
C:\Windows\Syswow64\b835ecc4C:\Windows\Syswow64\b835ecc41⤵
- 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:3272
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b835ecc4
- Size 4.8MB
- SHA256 036443a191e74323022ef1b186efff531636c180994801df37d9e112b8a26853
- MD5 472815b207e4e471bfe0c03b3ddcc75f
- SHA1 1a5c8d3d53f264c5089f2c1df26a113ad0ee2a4a
- SHA512 53a3ec1f36ba401d39bb4729ffb73e09e0a6f4dd0775e637a69c531539c83d0464e0c367f51f4c124e1ad067741ff15c79fd68185f5eaa9cf5d9831d7d05039a
- SSDEEP 49152:DHHKO29Ql5QZuTtS0rQMYOQ+q8CEPfTG4Q2TGHQe9KFeMx///x:DnKdmWsM0r1QnIK4PKHd0FeS///x
- TLSH T176367D12B780C236D4AA473189AF43AA5778FD114B2687CB7384772E1E736D29F31B19
- MD5 SHA1 SHA512 SSDEEP TLSH