Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
28/04/2026, 19:57
Behavioral task
behavioral1
Sample
45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe
- Size 830KB
- Sample260428-yn8a8ses2w
- SHA256 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df
- MD5 01ab0902ad55db37b60c90acafa2c7ee
- SHA1 7f00d8211c49d014695181d773c04bcb6ce01f50
- SHA512 99bbe4ed14d657086f42da448f317e358341908459c4dd9500f1d61ba9cd381ac5cfc686f241100f4a74b579b9abae6e57634158faef8e997cfa84cc8723b6ed
- SSDEEP 12288:qSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:xvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T14C055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4156 cafab6e0 - 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 4400 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe Destination IP 2 223.5.5.5 4400 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe Destination IP 7 114.114.114.114 4400 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe Destination IP 8 223.5.5.5 4400 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\cafab6e0 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cafab6e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cafab6e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cafab6e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cafab6e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cafab6e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cafab6e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cafab6e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cafab6e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cafab6e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cafab6e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cafab6e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cafab6e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cafab6e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cafab6e0 -
resource yara_rule behavioral2/memory/4400-0-0x0000000000C90000-0x0000000000D1C000-memory.dmp upx behavioral2/files/0x000e0000000262c0-2.dat upx behavioral2/memory/4156-3-0x0000000000110000-0x000000000019C000-memory.dmp upx behavioral2/memory/4400-10-0x0000000000C90000-0x0000000000D1C000-memory.dmp upx behavioral2/memory/4156-11-0x0000000000110000-0x000000000019C000-memory.dmp upx behavioral2/memory/4156-26-0x0000000000110000-0x000000000019C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4726f8 cafab6e0 File opened for modification C:\Windows\4b5460 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.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 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cafab6e0 - 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:" cafab6e0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cafab6e0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cafab6e0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cafab6e0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cafab6e0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" cafab6e0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cafab6e0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cafab6e0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cafab6e0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4156 cafab6e0 4156 cafab6e0 4156 cafab6e0 4156 cafab6e0 4156 cafab6e0 4156 cafab6e0 4156 cafab6e0 4156 cafab6e0 4400 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe 4400 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe 4400 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe 4400 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe 4400 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe 4400 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4400 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe Token: SeTcbPrivilege 4400 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe Token: SeDebugPrivilege 4156 cafab6e0 Token: SeTcbPrivilege 4156 cafab6e0
Processes
-
C:\Users\Admin\AppData\Local\Temp\45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe"C:\Users\Admin\AppData\Local\Temp\45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.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:4400
-
C:\Windows\Syswow64\cafab6e0C:\Windows\Syswow64\cafab6e01⤵
- 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:4156
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\cafab6e0
- Size 830KB
- SHA256 8137e039947bb9626b657f86c716daa24dae99443694a96975129792cb8b60bd
- MD5 f6fabbfc886e11f6dc37b5a35218d97a
- SHA1 90a3f45430ec58f75ccc50f01e8b846073911ce9
- SHA512 979c071d8a1930b4dd688bea3a4b6206d290bd146c4f1d2e86e05d9efb9ff27a4baf0ed2318ab472c10e4e1f946decab9eb762ffcca30f98d5bf79315600515a
- SSDEEP 12288:JSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:wvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T1D7055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH