Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 13:01
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe
Resource
win11ltsc2024-20260710-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe
- Size 679KB
- Sample260802-p9l6fstbph
- SHA256 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d
- MD5 3ce3342fd3cab3942f89e6280a147df4
- SHA1 9e6221704521b9ed54147eb7750a7f75d2411cbe
- SHA512 30776938b50142874cf4c7a4908bc0f67ec3a437474b1cc4b7530a3f349f8db2dd9732e589e59c04a55f85e14e471a0165e85a6bf0b7b80b640b4f10379e12b0
- SSDEEP 12288:mSvO2x9mONvKRILSFnOkx2LIaxya5FAQjU/Lik8CQ3K:FvO2xJKRI2FOkx2LFEvcUQPK
- TLSH T1D0E45A31E641C036D4A74576C6FA0BBFE964BD25131165CBA3C43A262FB36D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1812 f3b16a64 - 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 2 114.114.114.114 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe Destination IP 5 223.5.5.5 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe Destination IP 18 114.114.114.114 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe Destination IP 19 223.5.5.5 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\f3b16a64 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f3b16a64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C f3b16a64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f3b16a64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f3b16a64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f3b16a64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f3b16a64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f3b16a64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f3b16a64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C f3b16a64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f3b16a64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f3b16a64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f3b16a64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f3b16a64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f3b16a64 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1f05a8 f3b16a64 File opened for modification C:\Windows\391d10 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.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 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f3b16a64 - 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\History\CachePrefix = "Visited:" f3b16a64 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f3b16a64 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f3b16a64 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f3b16a64 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f3b16a64 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f3b16a64 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f3b16a64 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f3b16a64 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f3b16a64 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1812 f3b16a64 1812 f3b16a64 1812 f3b16a64 1812 f3b16a64 1812 f3b16a64 1812 f3b16a64 1812 f3b16a64 1812 f3b16a64 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe Token: SeTcbPrivilege 3336 3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe Token: SeDebugPrivilege 1812 f3b16a64 Token: SeTcbPrivilege 1812 f3b16a64
Processes
-
C:\Users\Admin\AppData\Local\Temp\3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.exe"C:\Users\Admin\AppData\Local\Temp\3a8a32bd0879a9d1757b22fc0b4b23ccbccce6a70692a3226a3261b1e597537d.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:3336
-
C:\Windows\Syswow64\f3b16a64C:\Windows\Syswow64\f3b16a641⤵
- 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:1812
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f3b16a64
- Size 679KB
- SHA256 05b30f62bb01f301460466149da05933ea49b7965143463d376bc17c128abb5b
- MD5 629ca9fd2c2555d149a5a3156f2d79df
- SHA1 ab541039c1272b59a039a2cc3eed1961d451932f
- SHA512 def14390e4db54106b2c5c0f2fb77153c0006fa0de1b264e7b9db743b1cb2ddc0a116978cc9b8de7fc2fd011c53fec8d90443753d488e46deb336a09281b25a7
- SSDEEP 12288:sSvO2x9mONvKRILSFnOkx2LIaxya5FAQjU/Lik8CQ3K:fvO2xJKRI2FOkx2LFEvcUQPK
- TLSH T1FFE45A31E641C036D4A74576C6FA0BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH