Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
15/04/2026, 04:38
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe
- Size 871KB
- Sample260415-e9pw8sas5w
- SHA256 b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a
- MD5 83fc4e8cb2676c5e3541113f006f9788
- SHA1 6395e11fdbd347e75f9e86aecf5181cb1477b3a5
- SHA512 7a023c43652d8ad113c7aad48d0d8f12a2e0da494505656ecff812e3223fcf8abe1d69433b968969c5b1fa9d2bfb665b764202ccc135129e89facaf0dc213b51
- SSDEEP 12288:USvO2x9mONvKRILSFnOkx2LIaxya5FAQjU/LikGU5rCOTeidT:nvO2xJKRI2FOkx2LFEvcU6UQOJdT
- TLSH T1A4156B31E681C036D5B34571C6FA4BBBA9647D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1044 fd3d1a8a - 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 4 223.5.5.5 4396 b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe Destination IP 28 114.114.114.114 4396 b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe Destination IP 29 223.5.5.5 4396 b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe Destination IP 3 114.114.114.114 4396 b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.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\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fd3d1a8a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fd3d1a8a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fd3d1a8a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE fd3d1a8a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 fd3d1a8a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft fd3d1a8a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content fd3d1a8a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fd3d1a8a File created C:\Windows\SysWOW64\fd3d1a8a b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 fd3d1a8a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies fd3d1a8a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache fd3d1a8a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData fd3d1a8a - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\11dfa8 fd3d1a8a File opened for modification C:\Windows\4b42d8 b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.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 b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fd3d1a8a - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing fd3d1a8a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" fd3d1a8a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" fd3d1a8a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" fd3d1a8a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" fd3d1a8a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" fd3d1a8a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix fd3d1a8a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ fd3d1a8a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" fd3d1a8a - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1044 fd3d1a8a 1044 fd3d1a8a 1044 fd3d1a8a 1044 fd3d1a8a 1044 fd3d1a8a 1044 fd3d1a8a 1044 fd3d1a8a 1044 fd3d1a8a 4396 b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe 4396 b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe 4396 b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe 4396 b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe 4396 b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe 4396 b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4396 b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe Token: SeTcbPrivilege 4396 b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe Token: SeDebugPrivilege 1044 fd3d1a8a Token: SeTcbPrivilege 1044 fd3d1a8a
Processes
-
C:\Users\Admin\AppData\Local\Temp\b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.exe"C:\Users\Admin\AppData\Local\Temp\b1d60ecbed5dbf135b2b1440b31dccd96dff9e56466fd91a47d52cb46b40040a.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:4396
-
C:\Windows\Syswow64\fd3d1a8aC:\Windows\Syswow64\fd3d1a8a1⤵
- 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:1044
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\fd3d1a8a
- Size 871KB
- SHA256 389e1e4f63c9189bae7af1402f687bf3e0d8d3a17c2354fc55f8536e73a2c775
- MD5 6fc4e4e2429e2f7f3dfb7b357b9ec242
- SHA1 d8c19d2f5e27b35302ed0626656a8866cce784f9
- SHA512 8bd2a3a79d7aa0ce7726351f5dd469b31cd9f5862d2fd4de3baa0edaa1304bd30b6557362ccdc48270a1485c026b004a51cbcb20138e2f2d71ffa16fef9bae7f
- SSDEEP 12288:LSvO2x9mONvKRILSFnOkx2LIaxya5FAQjU/LikGU5rCOTeidT:+vO2xJKRI2FOkx2LFEvcU6UQOJdT
- TLSH T1D1156B31E681C036D5B34571C6FA4BBBA9647D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH