Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
27/05/2026, 14:04
Behavioral task
behavioral1
Sample
83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe
- Size 640KB
- Sample260527-rdsdpsfv4p
- SHA256 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76
- MD5 ab36a1cb73f5f028dc6e712e1fde22ab
- SHA1 7c45d1a62fb8de525d701251c4f685592dd972f8
- SHA512 6366f917ef89a7ee2baeec2a39f3a7aa70335d65740921d8a7b864b29c60a381849d96ea6488bf265ded6a17453bd42600347980e7d6b942738a416be4d4faaa
- SSDEEP 6144:GcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:GSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T16FD45B35A6808036C0B74631C6F64BAAF9B5BC21631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1160 95cb93d1 - 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 10 114.114.114.114 3884 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe Destination IP 11 223.5.5.5 3884 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe Destination IP 1 114.114.114.114 3884 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe Destination IP 2 223.5.5.5 3884 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 95cb93d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 95cb93d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 95cb93d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 95cb93d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 95cb93d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 95cb93d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 95cb93d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 95cb93d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 95cb93d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 95cb93d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 95cb93d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 95cb93d1 File created C:\Windows\SysWOW64\95cb93d1 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 95cb93d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 95cb93d1 -
resource yara_rule behavioral2/memory/3884-0-0x00000000007C0000-0x000000000084C000-memory.dmp upx behavioral2/files/0x000600000000d34a-2.dat upx behavioral2/memory/1160-3-0x0000000000970000-0x00000000009FC000-memory.dmp upx behavioral2/memory/3884-10-0x00000000007C0000-0x000000000084C000-memory.dmp upx behavioral2/memory/1160-11-0x0000000000970000-0x00000000009FC000-memory.dmp upx behavioral2/memory/1160-24-0x0000000000970000-0x00000000009FC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\13dc10 95cb93d1 File opened for modification C:\Windows\427ed8 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.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 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 95cb93d1 - 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\Content\CachePrefix 95cb93d1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 95cb93d1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 95cb93d1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 95cb93d1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 95cb93d1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 95cb93d1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 95cb93d1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 95cb93d1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 95cb93d1 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1160 95cb93d1 1160 95cb93d1 1160 95cb93d1 1160 95cb93d1 1160 95cb93d1 1160 95cb93d1 1160 95cb93d1 1160 95cb93d1 3884 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe 3884 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe 3884 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe 3884 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe 3884 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe 3884 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3884 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe Token: SeTcbPrivilege 3884 83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe Token: SeDebugPrivilege 1160 95cb93d1 Token: SeTcbPrivilege 1160 95cb93d1
Processes
-
C:\Users\Admin\AppData\Local\Temp\83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.exe"C:\Users\Admin\AppData\Local\Temp\83944f932499f0410e3f90f43f7a518f3ae955533d51d77e21d4bddb028dda76.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:3884
-
C:\Windows\Syswow64\95cb93d1C:\Windows\Syswow64\95cb93d11⤵
- 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:1160
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\95cb93d1
- Size 640KB
- SHA256 ed01323f31af0a977a17182273bbf471187a689e00b281c595a174014f692bfa
- MD5 d1a9fa8a60c7c3a01ac9841105ec2324
- SHA1 94dbee62416e346b3fc642ec852a5ed159fabad0
- SHA512 fac3782d75ea8f0daa953f485cc2ac7ff32e599a133b79bfd88fb6e549d447bdd5b8a02b63d183442099a9cdcc25f6e0652af6449ac3edc72fcf07ab3d5b5f9e
- SSDEEP 6144:ocTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:oSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T129D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH