Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/08/2026, 20:33
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe
- Size 4.8MB
- Sample260825-zb4mysyepd
- SHA256 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d
- MD5 db7019787dded7c788927b6327dfdee7
- SHA1 4ae988bd032f8908668fa295b674eb6b6ddc8c4a
- SHA512 b3a2ccfbaa25e19b9f7170d7bd158800a9d6a777afa83dca9bf321c6dba74f214539d73c257a8f1ceb983c92118a22b841627ae583e4b29f18f8e748e6125d00
- SSDEEP 49152:5HHKO29Ql5QZuTtS0rQMYOQ+q8CEPfTG4Q2TGHQe9KFeMx///x:5nKdmWsM0r1QnIK4PKHd0FeS///x
- TLSH T1DA367D12B780C236D4AA473189AF43AA5778FD114B2687CB7384772E1E736D29F31B19
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4572 a137aed7 - 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 1 114.114.114.114 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe Destination IP 3 223.5.5.5 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe Destination IP 28 114.114.114.114 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe Destination IP 29 223.5.5.5 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\a137aed7 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a137aed7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a137aed7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a137aed7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a137aed7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a137aed7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a137aed7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a137aed7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a137aed7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a137aed7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a137aed7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a137aed7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a137aed7 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4e4638 a137aed7 File opened for modification C:\Windows\246ea0 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.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 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a137aed7 - 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\Cookies\CachePrefix = "Cookie:" a137aed7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a137aed7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a137aed7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a137aed7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a137aed7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a137aed7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a137aed7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a137aed7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a137aed7 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4572 a137aed7 4572 a137aed7 4572 a137aed7 4572 a137aed7 4572 a137aed7 4572 a137aed7 4572 a137aed7 4572 a137aed7 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe Token: SeTcbPrivilege 2128 1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe Token: SeDebugPrivilege 4572 a137aed7 Token: SeTcbPrivilege 4572 a137aed7
Processes
-
C:\Users\Admin\AppData\Local\Temp\1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.exe"C:\Users\Admin\AppData\Local\Temp\1ffa92ec218887952ba381d4f54c6b9f97cf2a9f5e7aabe386e3c288bd41891d.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:2128
-
C:\Windows\Syswow64\a137aed7C:\Windows\Syswow64\a137aed71⤵
- 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:4572
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a137aed7
- Size 4.8MB
- SHA256 34af2b376c5450afeee0e87b1e1a4dcff7dfbbaab6c7e29cf9805e1d6818ae6f
- MD5 76a2912e8756b5468865d875efde2fcb
- SHA1 9f8eca208b4ce807245364ea824c7c4fbf8997cc
- SHA512 1652cb42e1b85281c28d270153b1cd6dd0f38fa22f2296f58f5f7dfd4081945f775cec9722b46f830b90dfd86c437be467f8ac63dc5cd77ff2701d8fe16e2799
- SSDEEP 49152:lHHKO29Ql5QZuTtS0rQMYOQ+q8CEPfTG4Q2TGHQe9KFeMx///x:lnKdmWsM0r1QnIK4PKHd0FeS///x
- TLSH T104367D12B780C236D4AA473189AF43AA5778FD114B2687CB7384772E1E736D29F31B19
- MD5 SHA1 SHA512 SSDEEP TLSH