Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
28/04/2026, 19:57
Behavioral task
behavioral1
Sample
45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe
Resource
win10v2004-20260130-en
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 4728 e64f5f6d - 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 4 223.5.5.5 960 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe Destination IP 42 114.114.114.114 960 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe Destination IP 43 223.5.5.5 960 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe Destination IP 71 114.114.114.114 4728 e64f5f6d Destination IP 72 223.5.5.5 960 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe Destination IP 3 114.114.114.114 960 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache e64f5f6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 e64f5f6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData e64f5f6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content e64f5f6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e64f5f6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies e64f5f6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e64f5f6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e64f5f6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e64f5f6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 e64f5f6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e64f5f6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e64f5f6d File created C:\Windows\SysWOW64\e64f5f6d 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE e64f5f6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft e64f5f6d -
resource yara_rule behavioral1/memory/960-0-0x00000000001A0000-0x000000000022C000-memory.dmp upx behavioral1/files/0x0004000000023076-2.dat upx behavioral1/memory/4728-4-0x00000000002E0000-0x000000000036C000-memory.dmp upx behavioral1/memory/960-20-0x00000000001A0000-0x000000000022C000-memory.dmp upx behavioral1/memory/4728-22-0x00000000002E0000-0x000000000036C000-memory.dmp upx behavioral1/memory/4728-43-0x00000000002E0000-0x000000000036C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\50f1f0 e64f5f6d File opened for modification C:\Windows\106f80 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 e64f5f6d - 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:" e64f5f6d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" e64f5f6d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" e64f5f6d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" e64f5f6d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" e64f5f6d Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing e64f5f6d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix e64f5f6d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" e64f5f6d Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ e64f5f6d - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4728 e64f5f6d 4728 e64f5f6d 4728 e64f5f6d 4728 e64f5f6d 4728 e64f5f6d 4728 e64f5f6d 4728 e64f5f6d 4728 e64f5f6d 4728 e64f5f6d 4728 e64f5f6d 4728 e64f5f6d 4728 e64f5f6d 960 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe 960 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe 960 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe 960 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe 960 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe 960 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 960 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe Token: SeTcbPrivilege 960 45d5f58820afc7d5db84d96fd6945062fc3d0509d0ddf9de9c264c90090b42df.exe Token: SeDebugPrivilege 4728 e64f5f6d Token: SeTcbPrivilege 4728 e64f5f6d
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:960
-
C:\Windows\Syswow64\e64f5f6dC:\Windows\Syswow64\e64f5f6d1⤵
- 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:4728
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\e64f5f6d
- Size 830KB
- SHA256 af7f801b5adba9548d436584dc8ef5c1b200c4ce047e54dffc5747b024348310
- MD5 646f4c2e803c79ff82e32b7c3d28af78
- SHA1 ef79a9b2db574f0eecf9daf523ae3e5dabcd1314
- SHA512 ac220594af32aee483531fb321645f5064666f3a625c047128ac7c56343b01d29334c4c90ea245d3cb98ea82561ef161d2d6a402d76e577a28af509fd2a6ac19
- SSDEEP 12288:zSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:GvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T129055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH