Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/07/2026, 04:13
Behavioral task
behavioral1
Sample
53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe
- Size 560KB
- Sample260730-es4dassyev
- SHA256 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4
- MD5 a17102c9905b00fb62b1ad316eae64b9
- SHA1 d985339e5b028629519455e1de87dce4205f6874
- SHA512 d6e11ef238a37e77306ac688a03838fea97ba8bc9f7b55dd415076dcd8117a8d56a80a3abe9d2f0fed55026c07311cb637fe79e40a36f1b28b45cd6637a17fe3
- SSDEEP 12288:43Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:sVOL4/gPXKCOkx2LFR
- TLSH T11FC46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4196 41fa6c40 - 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 4 223.5.5.5 2088 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe Destination IP 23 114.114.114.114 2088 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe Destination IP 24 223.5.5.5 2088 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe Destination IP 3 114.114.114.114 2088 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe - Drops file in System32 directory 17 IoCs
description ioc Process File created C:\Windows\SysWOW64\41fa6c40 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 41fa6c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 41fa6c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 41fa6c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 41fa6c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 41fa6c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 41fa6c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 41fa6c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 41fa6c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 41fa6c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 41fa6c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 41fa6c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 41fa6c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 41fa6c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 41fa6c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 41fa6c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 41fa6c40 -
resource yara_rule behavioral1/memory/2088-0-0x00000000004B0000-0x000000000053C000-memory.dmp upx behavioral1/files/0x000500000002345a-3.dat upx behavioral1/memory/4196-4-0x00000000001E0000-0x000000000026C000-memory.dmp upx behavioral1/memory/2088-15-0x00000000004B0000-0x000000000053C000-memory.dmp upx behavioral1/memory/4196-16-0x00000000001E0000-0x000000000026C000-memory.dmp upx behavioral1/memory/4196-35-0x00000000001E0000-0x000000000026C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\47d648 41fa6c40 File opened for modification C:\Windows\23bf50 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.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 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 41fa6c40 - 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" 41fa6c40 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 41fa6c40 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 41fa6c40 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 41fa6c40 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 41fa6c40 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 41fa6c40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 41fa6c40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 41fa6c40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 41fa6c40 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4196 41fa6c40 4196 41fa6c40 4196 41fa6c40 4196 41fa6c40 4196 41fa6c40 4196 41fa6c40 4196 41fa6c40 4196 41fa6c40 2088 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe 2088 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe 2088 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe 2088 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe 2088 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe 2088 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2088 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe Token: SeTcbPrivilege 2088 53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe Token: SeDebugPrivilege 4196 41fa6c40 Token: SeTcbPrivilege 4196 41fa6c40
Processes
-
C:\Users\Admin\AppData\Local\Temp\53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.exe"C:\Users\Admin\AppData\Local\Temp\53c243031781104afbc00e0d86c23c146c84805458329ad33ee271f66d22bea4.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:2088
-
C:\Windows\Syswow64\41fa6c40C:\Windows\Syswow64\41fa6c401⤵
- 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:4196
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\41fa6c40
- Size 560KB
- SHA256 0a8581e7ea33e08b9f5d6cefaa0d829112843db5a1408c9e4e52989718f44012
- MD5 cc9ad42a80ae196e58915bce810510d6
- SHA1 241659d13dc1c3edad2dba9206b0c67e2ea6ec68
- SHA512 c100e92524939b0223d2ac968ecd11173995e94319e1c3b8818883f4975ca1af51577cd4b2bbf4db6f828634d33683c95698794529bd21a565744bb26a413ff5
- SSDEEP 12288:S3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:iVOL4/gPXKCOkx2LFR
- TLSH T178C46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH