Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
08/05/2026, 09:28
Behavioral task
behavioral1
Sample
d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe
- Size 766KB
- Sample260508-lfbk3sft2v
- SHA256 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a
- MD5 6287bf3d45ba5c7d1334a6025371bde2
- SHA1 6a839961accdd7e1d16e919d35b831da6d0dbb26
- SHA512 61f621757e1ed2e7e119ce0d14a4b3463bdd03b43f88f0de082bcdffdbb112061e9d7a641341a724e1567dfb1d29f161a8415e0eb39338b4a7a5a12f673b44cd
- SSDEEP 12288:WSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:VvO2xJKRw2kOkx2LFRvcUV
- TLSH T1E9F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3436 c957dea2 - 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 146 223.5.5.5 3852 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe Destination IP 5 114.114.114.114 3852 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe Destination IP 6 223.5.5.5 3852 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe Destination IP 50 114.114.114.114 3852 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe Destination IP 51 223.5.5.5 3852 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe Destination IP 145 114.114.114.114 3852 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c957dea2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c957dea2 File created C:\Windows\SysWOW64\c957dea2 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c957dea2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c957dea2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C c957dea2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C c957dea2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c957dea2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c957dea2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c957dea2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c957dea2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c957dea2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c957dea2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c957dea2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c957dea2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c957dea2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c957dea2 -
resource yara_rule behavioral1/memory/3852-0-0x0000000000A70000-0x0000000000AFC000-memory.dmp upx behavioral1/files/0x0007000000022e76-2.dat upx behavioral1/memory/3436-3-0x0000000000890000-0x000000000091C000-memory.dmp upx behavioral1/memory/3852-15-0x0000000000A70000-0x0000000000AFC000-memory.dmp upx behavioral1/memory/3436-17-0x0000000000890000-0x000000000091C000-memory.dmp upx behavioral1/memory/3436-43-0x0000000000890000-0x000000000091C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3ad358 c957dea2 File opened for modification C:\Windows\41f298 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.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 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c957dea2 - 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" c957dea2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c957dea2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c957dea2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c957dea2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c957dea2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c957dea2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c957dea2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c957dea2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c957dea2 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3436 c957dea2 3436 c957dea2 3436 c957dea2 3436 c957dea2 3436 c957dea2 3436 c957dea2 3436 c957dea2 3436 c957dea2 3852 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe 3852 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe 3852 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe 3852 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe 3852 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe 3852 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3852 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe Token: SeTcbPrivilege 3852 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe Token: SeDebugPrivilege 3436 c957dea2 Token: SeTcbPrivilege 3436 c957dea2
Processes
-
C:\Users\Admin\AppData\Local\Temp\d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe"C:\Users\Admin\AppData\Local\Temp\d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.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:3852
-
C:\Windows\Syswow64\c957dea2C:\Windows\Syswow64\c957dea21⤵
- 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:3436
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c957dea2
- Size 766KB
- SHA256 6cda9a12145e3115b1ffa1ee4d3df56b1c5841814573f2650dc2e2bee9a95ecb
- MD5 11d65452a884ece2249851aedbe2e359
- SHA1 7e0e55acc5eae59027883f0863a4f75d3f8a314c
- SHA512 1d228b428c21d1d378e2b7ec06fa1d006ebbd13791c9aacfcabb2b5c5a5f90f3bc3362e228744f75bc891bce5f0290d6a85e78078b3f5b509ad881d11f003573
- SSDEEP 12288:4SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:TvO2xJKRw2kOkx2LFRvcUV
- TLSH T17AF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH