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
09/08/2026, 22:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe
- Size 1.3MB
- Sample260809-13fwmswfpd
- SHA256 f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c
- MD5 e08c9e37a1a0708da501fa913911d8c1
- SHA1 37a28aa60d0a459227c324b604b7e9d1d3fdb70d
- SHA512 26ee5e103a65be038bd16495f3dcc91a23e9d94e2b9ae9cab6737229f0321855853e6eeb29b98ef51393ff80641bab5a956419af1c275024e40e5cb5548d3f14
- SSDEEP 24576:nvO2xJKRI2FOkx2LFEvcU6UQOJdBqsCPhH9Do2sl:nHHKO29QG56/OJdJCXDrsl
- TLSH T1DA559E32A6808036E5B3467586FA57BAA5257C215321E1CF73C47A2E1FB37D3A93170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 752 3f74a58 - 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 22 114.114.114.114 2252 f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe Destination IP 23 223.5.5.5 2252 f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe Destination IP 3 114.114.114.114 2252 f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe Destination IP 4 223.5.5.5 2252 f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3f74a58 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3f74a58 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3f74a58 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3f74a58 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3f74a58 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3f74a58 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3f74a58 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3f74a58 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3f74a58 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3f74a58 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3f74a58 File created C:\Windows\SysWOW64\3f74a58 f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3f74a58 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\cdfe0 3f74a58 File opened for modification C:\Windows\268e18 f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.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 f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3f74a58 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3f74a58 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3f74a58 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3f74a58 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3f74a58 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3f74a58 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3f74a58 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3f74a58 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3f74a58 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3f74a58 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 752 3f74a58 752 3f74a58 752 3f74a58 752 3f74a58 752 3f74a58 752 3f74a58 752 3f74a58 752 3f74a58 2252 f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe 2252 f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe 2252 f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe 2252 f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe 2252 f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe 2252 f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2252 f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe Token: SeTcbPrivilege 2252 f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe Token: SeDebugPrivilege 752 3f74a58 Token: SeTcbPrivilege 752 3f74a58
Processes
-
C:\Users\Admin\AppData\Local\Temp\f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.exe"C:\Users\Admin\AppData\Local\Temp\f3a4f0ae33eb56ab34d8214d430d0ae4f37ea4b1f575dadb5d19761d0d116c3c.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:2252
-
C:\Windows\Syswow64\3f74a58C:\Windows\Syswow64\3f74a581⤵
- 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:752
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3f74a58
- Size 1.3MB
- SHA256 febff64eca919529b85f9875ffe3a69e4feb846b9f551276bbf7865a25f265b6
- MD5 df3e4250a06dc428626e8ef8368b84ef
- SHA1 a9e18f102c87605381c955387f48f5da18a30411
- SHA512 8160ddae85b033bbdbd7f4a075206fe23c9b323c63fbfecabff7adc2bcd9e84313fe7b6cdafd425160784f7bb466190112985f230284c87cd107a28c390462cd
- SSDEEP 24576:IvO2xJKRI2FOkx2LFEvcU6UQOJdBqsCPhH9Do2sl:IHHKO29QG56/OJdJCXDrsl
- TLSH T16E559E32A6808036E5B3467586FA57BAA5257C215321E1CF73C47A2E1FB37D3A93170E
- MD5 SHA1 SHA512 SSDEEP TLSH