Analysis
- max time kernel
149s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/09/2026, 08:24
Behavioral task
behavioral1
Sample
3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe
- Size 548KB
- Sample260925-ka134sts6k
- SHA256 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158
- MD5 46a4ed9d6b6a21a7e9bab33bca6d24f5
- SHA1 0a91ec54dee239257e65271ae7ea6f657ea95a3c
- SHA512 7262390b26e075dfe9450d9bc77c85733294d2176f073f1d652d27614c89efef70b4570603179e7a9350b57051fc26091e09f596597a3dae5adb44c2eef53269
- SSDEEP 6144:Tl51orRJXlDixHkUXe35rxcEOkCybEaQRXr9HNdvOa:lqXUHkUXe39xOkx2LIa
- TLSH T141C4BF5BF2744076C49BD678C9935A9AFBF1B815872143CF1320825A1F737E2AE3A325
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2120 bbf840fc - Unexpected DNS network traffic destination 26 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 149 223.5.5.5 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 180 114.114.114.114 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 234 114.114.114.114 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 320 114.114.114.114 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 1 114.114.114.114 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 94 114.114.114.114 2120 bbf840fc Destination IP 235 223.5.5.5 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 319 223.5.5.5 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 351 114.114.114.114 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 407 114.114.114.114 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 467 114.114.114.114 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 497 114.114.114.114 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 284 223.5.5.5 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 95 223.5.5.5 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 181 223.5.5.5 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 148 114.114.114.114 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 318 114.114.114.114 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 321 223.5.5.5 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 352 223.5.5.5 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 408 223.5.5.5 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 468 223.5.5.5 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 498 223.5.5.5 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 282 114.114.114.114 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 2 223.5.5.5 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 39 114.114.114.114 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Destination IP 40 223.5.5.5 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 bbf840fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 bbf840fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft bbf840fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData bbf840fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 bbf840fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content bbf840fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bbf840fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bbf840fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE bbf840fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies bbf840fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache bbf840fc File created C:\Windows\SysWOW64\bbf840fc 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 bbf840fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bbf840fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bbf840fc -
resource yara_rule behavioral2/memory/3616-0-0x0000000000E90000-0x0000000000F19000-memory.dmp upx behavioral2/files/0x0007000000011392-2.dat upx behavioral2/memory/2120-3-0x00000000009A0000-0x0000000000A29000-memory.dmp upx behavioral2/memory/3616-20-0x0000000000E90000-0x0000000000F19000-memory.dmp upx behavioral2/memory/2120-22-0x00000000009A0000-0x0000000000A29000-memory.dmp upx behavioral2/memory/2120-26-0x00000000009A0000-0x0000000000A29000-memory.dmp upx behavioral2/memory/2120-28-0x00000000009A0000-0x0000000000A29000-memory.dmp upx behavioral2/memory/3616-45-0x0000000000E90000-0x0000000000F19000-memory.dmp upx behavioral2/memory/2120-46-0x00000000009A0000-0x0000000000A29000-memory.dmp upx behavioral2/memory/3616-49-0x0000000000E90000-0x0000000000F19000-memory.dmp upx behavioral2/memory/3616-53-0x0000000000E90000-0x0000000000F19000-memory.dmp upx behavioral2/memory/2120-54-0x00000000009A0000-0x0000000000A29000-memory.dmp upx behavioral2/memory/3616-66-0x0000000000E90000-0x0000000000F19000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\244b90 bbf840fc File opened for modification C:\Windows\3de840 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.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 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bbf840fc - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" bbf840fc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing bbf840fc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" bbf840fc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ bbf840fc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" bbf840fc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix bbf840fc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" bbf840fc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" bbf840fc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" bbf840fc - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2120 bbf840fc 2120 bbf840fc 2120 bbf840fc 2120 bbf840fc 2120 bbf840fc 2120 bbf840fc 2120 bbf840fc 2120 bbf840fc 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Token: SeTcbPrivilege 3616 3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe Token: SeDebugPrivilege 2120 bbf840fc Token: SeTcbPrivilege 2120 bbf840fc
Processes
-
C:\Users\Admin\AppData\Local\Temp\3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.exe"C:\Users\Admin\AppData\Local\Temp\3da75e31e4220919c6a8f5bc9257c8c173e5a81309f4887011462dc888051158.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:3616
-
C:\Windows\Syswow64\bbf840fcC:\Windows\Syswow64\bbf840fc1⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:2120
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\bbf840fc
- Size 548KB
- SHA256 bb828a9b08e1976ef62f31728722fd30fe36e48b9a32e52ff603e27c9eb477cb
- MD5 877f61299aebbb47c9bf5f6e0a8f9b8c
- SHA1 5f371fac97a31800b1017c2e790de26be793937b
- SHA512 7834703eec25cc354cf4766d742e8e05173f6dd1816ba4cf5a00ddcc8c245d129dbc5e90b9c38251c4ee990d7c594131b43c871969cb0ff734c8533b11a32d6a
- SSDEEP 6144:Wl51orRJXlDixHkUXe35rxcEOkCybEaQRXr9HNdvOa:eqXUHkUXe39xOkx2LIa
- TLSH T1B4C4BF5BF2744076C49BD678C9935A9AFBF1B815872143CF1320825A1F737E2AE3A325
- MD5 SHA1 SHA512 SSDEEP TLSH