Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
16/04/2026, 04:30
Behavioral task
behavioral1
Sample
3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe
- Size 618KB
- Sample260416-e5bttaax6w
- SHA256 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b
- MD5 a56c8ae3b3353814f19d41a42ae6e6e1
- SHA1 e8d3bf653e19fba6562ebc26fd2cfa2d7438693b
- SHA512 eda290702fab563906a439c9291a5a24af15269939e4972e7b3d7d37604295760cf39ed9f97777cca5cb89e96ac023d1aaa578052036ce949bd3b9becc1fa390
- SSDEEP 12288:tqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:tjHPOSOkx2LFscUQPxW
- TLSH T1ADD47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3900 be8a8cd8 - Unexpected DNS network traffic destination 6 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 2360 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe Destination IP 35 114.114.114.114 2360 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe Destination IP 36 223.5.5.5 2360 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe Destination IP 98 114.114.114.114 2360 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe Destination IP 99 223.5.5.5 2360 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe Destination IP 1 114.114.114.114 2360 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe - Drops file in System32 directory 17 IoCs
description ioc Process File created C:\Windows\SysWOW64\be8a8cd8 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache be8a8cd8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C be8a8cd8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE be8a8cd8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies be8a8cd8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 be8a8cd8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C be8a8cd8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 be8a8cd8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 be8a8cd8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 be8a8cd8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData be8a8cd8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content be8a8cd8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft be8a8cd8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 be8a8cd8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 be8a8cd8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 be8a8cd8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 be8a8cd8 -
resource yara_rule behavioral1/memory/2360-0-0x0000000000620000-0x00000000006A9000-memory.dmp upx behavioral1/files/0x00160000000242fe-2.dat upx behavioral1/memory/3900-3-0x0000000000390000-0x0000000000419000-memory.dmp upx behavioral1/memory/2360-15-0x0000000000620000-0x00000000006A9000-memory.dmp upx behavioral1/memory/3900-17-0x0000000000390000-0x0000000000419000-memory.dmp upx behavioral1/memory/2360-37-0x0000000000620000-0x00000000006A9000-memory.dmp upx behavioral1/memory/3900-38-0x0000000000390000-0x0000000000419000-memory.dmp upx behavioral1/memory/2360-39-0x0000000000620000-0x00000000006A9000-memory.dmp upx behavioral1/memory/3900-40-0x0000000000390000-0x0000000000419000-memory.dmp upx behavioral1/memory/2360-52-0x0000000000620000-0x00000000006A9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\42c4f8 be8a8cd8 File opened for modification C:\Windows\286770 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.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 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language be8a8cd8 - 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" be8a8cd8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" be8a8cd8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" be8a8cd8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ be8a8cd8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" be8a8cd8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing be8a8cd8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix be8a8cd8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" be8a8cd8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" be8a8cd8 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3900 be8a8cd8 3900 be8a8cd8 3900 be8a8cd8 3900 be8a8cd8 3900 be8a8cd8 3900 be8a8cd8 3900 be8a8cd8 3900 be8a8cd8 2360 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe 2360 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe 2360 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe 2360 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe 2360 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe 2360 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2360 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe Token: SeTcbPrivilege 2360 3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe Token: SeDebugPrivilege 3900 be8a8cd8 Token: SeTcbPrivilege 3900 be8a8cd8
Processes
-
C:\Users\Admin\AppData\Local\Temp\3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.exe"C:\Users\Admin\AppData\Local\Temp\3543005de8331818c7546a5d305b5731281480a25ad401d5a785e4cfcb55a42b.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:2360
-
C:\Windows\Syswow64\be8a8cd8C:\Windows\Syswow64\be8a8cd81⤵
- 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:3900
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\be8a8cd8
- Size 618KB
- SHA256 3016337beeba4444b6c1087d8384060a9a16e7352451cd55372d6b273ed8f674
- MD5 d0b6119ef0082b085a18e77e6b6e99f3
- SHA1 114ba19c57015717e4bde7f6b0a197862d2ce290
- SHA512 fca4fe59e3c707595dd0474db5ad92491e4c14ef1c28d209a61a32acc1092a5bc178525d45993d05e95419be74584cfcd629b51ea7351b85ad3752ce70e4eec0
- SSDEEP 12288:CqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:CjHPOSOkx2LFscUQPxW
- TLSH T18ED47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH