Analysis
- max time kernel
150s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
01/05/2026, 10:25
Behavioral task
behavioral1
Sample
917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe
- Size 1.2MB
- Sample260501-mgcefaev3t
- SHA256 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f
- MD5 450ee08e2493597b6448584641ffab0e
- SHA1 b8c397499093aa3f6fb1e7a755f958accda08d7f
- SHA512 5bec2b52001c20355509c703bf63b35f8f6aeb3b8be5abcda6ac6ba3e10f5c542e7ec18fa5a014caa0d91fea4f1023be33e6b4fe0811929dc33c3da84a28e59e
- SSDEEP 24576:CvO2xJKRh2kOkx2LFxNhuZ98Es8k3OH3C0rQ6+y:CHHKX2WQthuTtS0rQi
- TLSH T1D0559E31E641C036C4A70176C6B94BBFA578BD22172555CBE3D43A6A2F723D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4936 337c78b0 - 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 54 114.114.114.114 4648 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe Destination IP 55 223.5.5.5 4648 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe Destination IP 1 114.114.114.114 4648 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe Destination IP 2 223.5.5.5 4648 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe Destination IP 10 114.114.114.114 4648 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe Destination IP 11 223.5.5.5 4648 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 337c78b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 337c78b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 337c78b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 337c78b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 337c78b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 337c78b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 337c78b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 337c78b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 337c78b0 File created C:\Windows\SysWOW64\337c78b0 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 337c78b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 337c78b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 337c78b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 337c78b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 337c78b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 337c78b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 337c78b0 -
resource yara_rule behavioral2/memory/4648-0-0x0000000000FD0000-0x000000000105C000-memory.dmp upx behavioral2/files/0x000b00000002708f-3.dat upx behavioral2/memory/4936-4-0x00000000001B0000-0x000000000023C000-memory.dmp upx behavioral2/memory/4648-15-0x0000000000FD0000-0x000000000105C000-memory.dmp upx behavioral2/memory/4936-17-0x00000000001B0000-0x000000000023C000-memory.dmp upx behavioral2/memory/4936-37-0x00000000001B0000-0x000000000023C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\548190 337c78b0 File opened for modification C:\Windows\4f9350 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.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 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 337c78b0 - 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:" 337c78b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 337c78b0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 337c78b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 337c78b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 337c78b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 337c78b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 337c78b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 337c78b0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 337c78b0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4936 337c78b0 4936 337c78b0 4936 337c78b0 4936 337c78b0 4936 337c78b0 4936 337c78b0 4936 337c78b0 4936 337c78b0 4648 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe 4648 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe 4648 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe 4648 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe 4648 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe 4648 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4648 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe Token: SeTcbPrivilege 4648 917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe Token: SeDebugPrivilege 4936 337c78b0 Token: SeTcbPrivilege 4936 337c78b0
Processes
-
C:\Users\Admin\AppData\Local\Temp\917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.exe"C:\Users\Admin\AppData\Local\Temp\917487ce1ca6131ea1327c6e3ac46d6d18d736aff285febbac62a5840c9b893f.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:4648
-
C:\Windows\Syswow64\337c78b0C:\Windows\Syswow64\337c78b01⤵
- 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:4936
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\337c78b0
- Size 1.2MB
- SHA256 c6e66a0960d075890cf5d1c6556680e5f54bf7c75de16eae8cedd24f68090ed5
- MD5 69064019c390df7ee39b20b8a947894e
- SHA1 7a5e91ae608050416522c31a43cbecaab5d0dcd0
- SHA512 befc9eb57675bc390b2d6fc1afc1311d602f3981984fb03d00ceec6b3473da3db1c57e73faad678bec7897dcdcc4febdbbf5f26823eaf5abed1462b1a97a499c
- SSDEEP 24576:3vO2xJKRh2kOkx2LFxNhuZ98Es8k3OH3C0rQ6+y:3HHKX2WQthuTtS0rQi
- TLSH T1FA559E31E641C036C4A70176C6B94BBFA578BD22172555CBE3D43A6A2F723D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH