Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 05:03
Behavioral task
behavioral1
Sample
b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe
- Size 638KB
- Sample260802-fp1zfadd59
- SHA256 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86
- MD5 8035f0f6b5b7a21228b053f82dea59c9
- SHA1 6fe3f9936a2fdd5e9c0c4e65fe83bbc791855226
- SHA512 2dc77cbeb1d754a57e3982d97f2c2596888777bddc4f5cd692b43a6d046cfa360e7fc92e78437c60e19fad86b9b265dad1270fe6d5f13fd61c4d912e4262e553
- SSDEEP 6144:gcTgav1cdCTuoPbgwmOLJvKRhLSFXdFwirGcEOkCybEaQRXr9HNdvOaey8KK5R2:gSvO2x9mONvKRhLSFtsOkx2LIaeyk5g
- TLSH T118D46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2304 cae780d0 - 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 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe Destination IP 16 114.114.114.114 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe Destination IP 17 223.5.5.5 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe Destination IP 1 114.114.114.114 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.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\3EC845F33427F1C99AF855BE8930371C cae780d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cae780d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cae780d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cae780d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cae780d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cae780d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cae780d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cae780d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cae780d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cae780d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cae780d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C cae780d0 File created C:\Windows\SysWOW64\cae780d0 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cae780d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cae780d0 -
resource yara_rule behavioral2/memory/1860-0-0x0000000000B40000-0x0000000000BCC000-memory.dmp upx behavioral2/memory/2304-3-0x0000000000680000-0x000000000070C000-memory.dmp upx behavioral2/files/0x000a000000011390-2.dat upx behavioral2/memory/1860-13-0x0000000000B40000-0x0000000000BCC000-memory.dmp upx behavioral2/memory/2304-14-0x0000000000680000-0x000000000070C000-memory.dmp upx behavioral2/memory/2304-36-0x0000000000680000-0x000000000070C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\277200 cae780d0 File opened for modification C:\Windows\1fd808 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.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 cae780d0 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe - 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\History\CachePrefix = "Visited:" cae780d0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cae780d0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cae780d0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cae780d0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cae780d0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" cae780d0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cae780d0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cae780d0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cae780d0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2304 cae780d0 2304 cae780d0 2304 cae780d0 2304 cae780d0 2304 cae780d0 2304 cae780d0 2304 cae780d0 2304 cae780d0 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe Token: SeTcbPrivilege 1860 b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe Token: SeDebugPrivilege 2304 cae780d0 Token: SeTcbPrivilege 2304 cae780d0
Processes
-
C:\Users\Admin\AppData\Local\Temp\b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.exe"C:\Users\Admin\AppData\Local\Temp\b1813836f6bf666264e213444ae85c803e9964b08545d4efa9e3a0abcc446c86.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:1860
-
C:\Windows\Syswow64\cae780d0C:\Windows\Syswow64\cae780d01⤵
- 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:2304
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cae780d0
- Size 638KB
- SHA256 7120ab5970225dbc215a4adfc761e51f731b3319dcc4e79c4bb545cc3c7931a8
- MD5 ce8e3c5ae57a2be29f32623b2963d3aa
- SHA1 6c88213553bfd0326d68ace7b91cf8e352a87c35
- SHA512 e579f7bd127f23ba752669ce59c1008f01337374e5f37811ca755702180630667556092dbf2e720e105df4c9f0d57115660d9e35e870b407ceb3a81368c4a20a
- SSDEEP 6144:EcTgav1cdCTuoPbgwmOLJvKRhLSFXdFwirGcEOkCybEaQRXr9HNdvOaey8KK5R2:ESvO2x9mONvKRhLSFtsOkx2LIaeyk5g
- TLSH T12BD46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH