Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/07/2026, 19:23
Behavioral task
behavioral1
Sample
98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe
- Size 766KB
- Sample260722-x374cabc92
- SHA256 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb
- MD5 668a0369c5495cb06847328c662c17ed
- SHA1 6321318cac91baa325b4982b25dd6b078fc6ace1
- SHA512 ef34d84c6a1494a4bb1c6b8de1375309637db34d968a98480ac96baef40c628c8855067ad8d6cdf8d491a22a0987525e7e67e66b8cd680c17c97aa8caac8066b
- SSDEEP 12288:TSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:mvO2xJKRw2kOkx2LFRvcUV
- TLSH T12AF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1660 4b04a5fa - 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 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe Destination IP 2 223.5.5.5 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe Destination IP 10 114.114.114.114 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe Destination IP 11 223.5.5.5 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4b04a5fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4b04a5fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4b04a5fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4b04a5fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4b04a5fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4b04a5fa File created C:\Windows\SysWOW64\4b04a5fa 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4b04a5fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4b04a5fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4b04a5fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4b04a5fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4b04a5fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4b04a5fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4b04a5fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4b04a5fa -
resource yara_rule behavioral2/memory/4220-0-0x0000000000410000-0x000000000049C000-memory.dmp upx behavioral2/files/0x000c00000001136a-2.dat upx behavioral2/memory/1660-3-0x0000000000AE0000-0x0000000000B6C000-memory.dmp upx behavioral2/memory/4220-10-0x0000000000410000-0x000000000049C000-memory.dmp upx behavioral2/memory/1660-11-0x0000000000AE0000-0x0000000000B6C000-memory.dmp upx behavioral2/memory/1660-34-0x0000000000AE0000-0x0000000000B6C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1c6b78 4b04a5fa File opened for modification C:\Windows\483f78 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.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 4b04a5fa Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4b04a5fa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4b04a5fa Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4b04a5fa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4b04a5fa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4b04a5fa Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4b04a5fa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 4b04a5fa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4b04a5fa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4b04a5fa - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1660 4b04a5fa 1660 4b04a5fa 1660 4b04a5fa 1660 4b04a5fa 1660 4b04a5fa 1660 4b04a5fa 1660 4b04a5fa 1660 4b04a5fa 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe Token: SeTcbPrivilege 4220 98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe Token: SeDebugPrivilege 1660 4b04a5fa Token: SeTcbPrivilege 1660 4b04a5fa
Processes
-
C:\Users\Admin\AppData\Local\Temp\98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.exe"C:\Users\Admin\AppData\Local\Temp\98d4bbf11bf26c17afde4bf857a8ec3c54de9ef41dccb428a0db3ef073e78dcb.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:4220
-
C:\Windows\Syswow64\4b04a5faC:\Windows\Syswow64\4b04a5fa1⤵
- 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:1660
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4b04a5fa
- Size 766KB
- SHA256 acb4cb8e874a5fbd13ea3049be57474cc9f0677b99921d3ba738552db5992d75
- MD5 c3e90a97a014ac79d4c680ee15f216bf
- SHA1 9d2f3290d499b0f827d0e0e093dd127704620eb3
- SHA512 7cba2333fd3ca0d59a9fb0b3ac5df7c3c5651fe3afccf02000bffa2f4ea2f05dd507765512e1f63a4fada04f46888ffd9b8eb0a30e5e529a9cbec2e111e23a68
- SSDEEP 12288:QSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:LvO2xJKRw2kOkx2LFRvcUV
- TLSH T115F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH