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
01/06/2026, 22:43
Behavioral task
behavioral1
Sample
3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe
- Size 761KB
- Sample260601-2np2fagv7s
- SHA256 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882
- MD5 548d1498b66e17b1f54f50efa18b52f4
- SHA1 a53a630b3fa3ff2e78b4597f5aa621f0bd5e50fc
- SHA512 72e18918a59d243489170652e57779a146f7dd9b40f5fb482c26ef440e6735e5b8d1d45bcdfe0b7a1ff52d251136f781cfa518101b79933c07c986ba4866426f
- SSDEEP 12288:ESvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:3vO2xJKRw2kOkxSkW298B
- TLSH T1CFF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3332 93b653c - 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 1 114.114.114.114 4444 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe Destination IP 2 223.5.5.5 4444 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe Destination IP 9 114.114.114.114 4444 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe Destination IP 10 223.5.5.5 4444 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 93b653c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 93b653c File created C:\Windows\SysWOW64\93b653c 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 93b653c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 93b653c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 93b653c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 93b653c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 93b653c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 93b653c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 93b653c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 93b653c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 93b653c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 93b653c -
resource yara_rule behavioral2/memory/4444-0-0x00000000007D0000-0x000000000085C000-memory.dmp upx behavioral2/files/0x0008000000000438-2.dat upx behavioral2/memory/3332-4-0x0000000000550000-0x00000000005DC000-memory.dmp upx behavioral2/memory/4444-10-0x00000000007D0000-0x000000000085C000-memory.dmp upx behavioral2/memory/3332-11-0x0000000000550000-0x00000000005DC000-memory.dmp upx behavioral2/memory/3332-30-0x0000000000550000-0x00000000005DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\390b88 93b653c File opened for modification C:\Windows\4c1538 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.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 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 93b653c - 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:" 93b653c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 93b653c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 93b653c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 93b653c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 93b653c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 93b653c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 93b653c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 93b653c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 93b653c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3332 93b653c 3332 93b653c 3332 93b653c 3332 93b653c 3332 93b653c 3332 93b653c 3332 93b653c 3332 93b653c 4444 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe 4444 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe 4444 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe 4444 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe 4444 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe 4444 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4444 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe Token: SeTcbPrivilege 4444 3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe Token: SeDebugPrivilege 3332 93b653c Token: SeTcbPrivilege 3332 93b653c
Processes
-
C:\Users\Admin\AppData\Local\Temp\3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.exe"C:\Users\Admin\AppData\Local\Temp\3c83716af436885b75eea7de35738d84b522df293d3d33b624b1f90d30360882.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:4444
-
C:\Windows\Syswow64\93b653cC:\Windows\Syswow64\93b653c1⤵
- 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:3332
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\93b653c
- Size 761KB
- SHA256 6820e7bc92c85d6237de13411b68d62dbc2ac486620506346461fe0ca8aeb314
- MD5 32c9f0a596b181f409320231c1338715
- SHA1 72ff633eb5724b0f119e22e8c002083d60129ca8
- SHA512 2b3391d36076641c1d15fb8531bd81bd3acebb20f64162c4993cd406bf6aaf06aec0cd6b52cbf097220b448501c286761e23f6af3fb144f37fa918f1517c6433
- SSDEEP 12288:QSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:LvO2xJKRw2kOkxSkW298B
- TLSH T1A8F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH