Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 23:07
Behavioral task
behavioral1
Sample
8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe
- Size 766KB
- Sample260809-2383vser5z
- SHA256 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac
- MD5 88bc38ed6e7935329926d3a9ba951cb3
- SHA1 dbf720eb7b6bbf8f20e0743f2e614ec9438716f2
- SHA512 1af188206412dabdec503bede089d73291deb744760b484f1a6aa9e9dcc570c9ecd27a1adba0a6f5fef4f3600ca110498a719ecf46b5e2862e8bd4f076a6bb0e
- SSDEEP 12288:nSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:SvO2xJKRw2kOkx2LFRvcUV
- TLSH T11CF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5536 cc8f82d8 - 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 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe Destination IP 4 223.5.5.5 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe Destination IP 15 114.114.114.114 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe Destination IP 18 223.5.5.5 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cc8f82d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C cc8f82d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cc8f82d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cc8f82d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cc8f82d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cc8f82d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cc8f82d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cc8f82d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cc8f82d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C cc8f82d8 File created C:\Windows\SysWOW64\cc8f82d8 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cc8f82d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cc8f82d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cc8f82d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cc8f82d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cc8f82d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cc8f82d8 -
resource yara_rule behavioral2/memory/1188-0-0x0000000000A30000-0x0000000000ABC000-memory.dmp upx behavioral2/files/0x000500000000053e-2.dat upx behavioral2/memory/5536-3-0x0000000000560000-0x00000000005EC000-memory.dmp upx behavioral2/memory/1188-15-0x0000000000A30000-0x0000000000ABC000-memory.dmp upx behavioral2/memory/5536-16-0x0000000000560000-0x00000000005EC000-memory.dmp upx behavioral2/memory/5536-36-0x0000000000560000-0x00000000005EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5ec740 cc8f82d8 File opened for modification C:\Windows\1456c8 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.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 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cc8f82d8 - 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:" cc8f82d8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cc8f82d8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cc8f82d8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cc8f82d8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cc8f82d8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cc8f82d8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cc8f82d8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cc8f82d8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cc8f82d8 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5536 cc8f82d8 5536 cc8f82d8 5536 cc8f82d8 5536 cc8f82d8 5536 cc8f82d8 5536 cc8f82d8 5536 cc8f82d8 5536 cc8f82d8 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe Token: SeTcbPrivilege 1188 8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe Token: SeDebugPrivilege 5536 cc8f82d8 Token: SeTcbPrivilege 5536 cc8f82d8
Processes
-
C:\Users\Admin\AppData\Local\Temp\8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.exe"C:\Users\Admin\AppData\Local\Temp\8f7e20b21319c5ea731becf77b8858a3a173f4c2c2d82bea09b1b2abd60ab8ac.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:1188
-
C:\Windows\Syswow64\cc8f82d8C:\Windows\Syswow64\cc8f82d81⤵
- 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:5536
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cc8f82d8
- Size 766KB
- SHA256 e651e57257e0597bed29225414763fc6b8eadab45e81b2ca3b257bb4d1ce32b8
- MD5 73db1e789394494441460361f55de186
- SHA1 8a96ed3be7b3bf5298ee26f8d3cd53c4d3af8274
- SHA512 ae17f679ff6936e4471897b83c664f792b0143182b9c128171bf3943facdb3e2e8ddb58e766901bdfb263e16b6e27c9e67f004339b07246c552d12eb2400a7a7
- SSDEEP 12288:8SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:PvO2xJKRw2kOkx2LFRvcUV
- TLSH T1E2F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH