Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/08/2026, 01:57
Behavioral task
behavioral1
Sample
3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe
- Size 548KB
- Sample260819-cdncesck7z
- SHA256 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b
- MD5 b7db6f472a87b691c145fbb8e9068b3a
- SHA1 ca114dbcc63dae4af5ba0eee13615dbe7d0c5e08
- SHA512 39be48ad47de06b2c10c80a84348b02037cc1581a8125b293476bddf548fd7973c293a7a2f6359028a77a89012ee77d89dcb37a87be51644ed72e85e540c6267
- SSDEEP 12288:HkbOgbKcMoxy9RLW3uqXUHkUXe39+Okx2LIa:EbOgbEqy9RKejHPOwOkx2LF
- TLSH T154C4AE26F6A0C032C4B79574C4A34AAAFBB1742167204ACFA395475A1F737E2BE3531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1572 3bfd0678 - 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 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe Destination IP 2 223.5.5.5 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe Destination IP 10 114.114.114.114 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe Destination IP 11 223.5.5.5 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe - Drops file in System32 directory 17 IoCs
description ioc Process File created C:\Windows\SysWOW64\3bfd0678 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3bfd0678 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3bfd0678 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3bfd0678 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 3bfd0678 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3bfd0678 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3bfd0678 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3bfd0678 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3bfd0678 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3bfd0678 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 3bfd0678 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3bfd0678 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3bfd0678 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3bfd0678 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3bfd0678 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3bfd0678 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3bfd0678 -
resource yara_rule behavioral2/memory/4328-0-0x00000000007E0000-0x0000000000869000-memory.dmp upx behavioral2/files/0x000d00000001c5a1-2.dat upx behavioral2/memory/1572-3-0x0000000000780000-0x0000000000809000-memory.dmp upx behavioral2/memory/4328-10-0x00000000007E0000-0x0000000000869000-memory.dmp upx behavioral2/memory/1572-12-0x0000000000780000-0x0000000000809000-memory.dmp upx behavioral2/memory/4328-33-0x00000000007E0000-0x0000000000869000-memory.dmp upx behavioral2/memory/1572-34-0x0000000000780000-0x0000000000809000-memory.dmp upx behavioral2/memory/1572-45-0x0000000000780000-0x0000000000809000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1ae9c8 3bfd0678 File opened for modification C:\Windows\4a18d0 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.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 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3bfd0678 - 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:" 3bfd0678 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3bfd0678 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3bfd0678 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3bfd0678 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3bfd0678 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3bfd0678 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3bfd0678 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3bfd0678 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3bfd0678 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1572 3bfd0678 1572 3bfd0678 1572 3bfd0678 1572 3bfd0678 1572 3bfd0678 1572 3bfd0678 1572 3bfd0678 1572 3bfd0678 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe Token: SeTcbPrivilege 4328 3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe Token: SeDebugPrivilege 1572 3bfd0678 Token: SeTcbPrivilege 1572 3bfd0678
Processes
-
C:\Users\Admin\AppData\Local\Temp\3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.exe"C:\Users\Admin\AppData\Local\Temp\3aa4378eb473f7c1081d1625a1aeb8e9892ab27a43ffe1bb2cf13d15b174e16b.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:4328
-
C:\Windows\Syswow64\3bfd0678C:\Windows\Syswow64\3bfd06781⤵
- 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:1572
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:2004
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3bfd0678
- Size 548KB
- SHA256 5546193e78b39161c23de6ac897f70a93a08543cba7d5f4478952176a66cf416
- MD5 82441b2cb48696bec74abf6e5c3deb3c
- SHA1 0b6c9bd8dff9ddbc5cae5de91d7d564ed0588c20
- SHA512 dbad5f4d83689a3e861e2e587254efdcfc4c9c0849a60b1b6fa09c642251c1b4acc6a8618c55b46905e77e822f1bca61ef5ead57d458c627d3402b7d7da5feef
- SSDEEP 12288:5kbOgbKcMoxy9RLW3uqXUHkUXe39+Okx2LIa:WbOgbEqy9RKejHPOwOkx2LF
- TLSH T109C4AE26F6A0C032C4B79574C4A34AAAFBB1742167204ACFA395475A1F737E2BE3531D
- MD5 SHA1 SHA512 SSDEEP TLSH