Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
01/08/2026, 20:15
Behavioral task
behavioral1
Sample
3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe
- Size 576KB
- Sample260801-y1tzdawbme
- SHA256 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081
- MD5 3f0bb70520be572e572ba874c4ddbd2d
- SHA1 dbb5aa55733f5bbc3e943566b7661c1166cc9350
- SHA512 8241f37d90fb8e4d593982c3e1fb5450443d3304548ab07dd977fd889b02c3aceeb562e6e0817d61351d3ecb6e1ff0265f003da79b8d79881b09ba527a3f95d0
- SSDEEP 6144:PcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:PSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T18EC46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2544 acc8aa6c - 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 3 114.114.114.114 2420 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe Destination IP 4 223.5.5.5 2420 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe Destination IP 25 114.114.114.114 2420 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe Destination IP 26 223.5.5.5 2420 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 acc8aa6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content acc8aa6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C acc8aa6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C acc8aa6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE acc8aa6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies acc8aa6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 acc8aa6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache acc8aa6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 acc8aa6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 acc8aa6c File created C:\Windows\SysWOW64\acc8aa6c 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 acc8aa6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft acc8aa6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData acc8aa6c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 acc8aa6c -
resource yara_rule behavioral1/memory/2420-0-0x0000000000960000-0x00000000009EC000-memory.dmp upx behavioral1/files/0x000d0000000242c7-2.dat upx behavioral1/memory/2544-3-0x0000000000350000-0x00000000003DC000-memory.dmp upx behavioral1/memory/2420-10-0x0000000000960000-0x00000000009EC000-memory.dmp upx behavioral1/memory/2544-11-0x0000000000350000-0x00000000003DC000-memory.dmp upx behavioral1/memory/2544-24-0x0000000000350000-0x00000000003DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2b8de0 acc8aa6c File opened for modification C:\Windows\296e68 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.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 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language acc8aa6c - 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 acc8aa6c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" acc8aa6c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" acc8aa6c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" acc8aa6c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" acc8aa6c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" acc8aa6c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing acc8aa6c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" acc8aa6c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ acc8aa6c - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA acc8aa6c Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 acc8aa6c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2544 acc8aa6c 2544 acc8aa6c 2544 acc8aa6c 2544 acc8aa6c 2544 acc8aa6c 2544 acc8aa6c 2544 acc8aa6c 2544 acc8aa6c 2420 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2420 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2420 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2420 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2420 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2420 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2420 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe Token: SeTcbPrivilege 2420 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe Token: SeDebugPrivilege 2544 acc8aa6c Token: SeTcbPrivilege 2544 acc8aa6c
Processes
-
C:\Users\Admin\AppData\Local\Temp\3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe"C:\Users\Admin\AppData\Local\Temp\3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.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:2420
-
C:\Windows\Syswow64\acc8aa6cC:\Windows\Syswow64\acc8aa6c1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2544
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\acc8aa6c
- Size 576KB
- SHA256 8e0458a07ef95a76c969fa40c886e51e4c9ac755cf41f40196ccfe2ec8fa9ef1
- MD5 177daefb7b43cf681eb6f952e48c4144
- SHA1 c4de70f6b71a248384e2378b77da2e2e5850c575
- SHA512 edc5eddbc62a0d7ff4323156e9c32c0be8fa8ca2f4afdfd9e4b9747281f48dfd2e67d8a39ff53c9d0244b165f3bf2dd604e3963384aa53856bb7a939b04f21e1
- SSDEEP 6144:6cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:6SvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T14AC46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH