Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
16/04/2026, 10:06
Behavioral task
behavioral1
Sample
9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe
Resource
win10v2004-20260130-en
9 signatures
150 seconds
General
- Target 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe
- Size 766KB
- Sample260416-l47nesfx2w
- SHA256 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab
- MD5 4804347a9bf7f63a3e3a4cb9592cf987
- SHA1 4c0e60b5f67f989fede717f35f1f924c07e4244c
- SHA512 28bb69f62cdeb5da9d0fd609a1b8f0b45f369869d33fbb101de93b328e35710746a8dd4509475bf049e3867d1424884eec0f0ce28792c38d348ab6673c023506
- SSDEEP 12288:RSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:4vO2xJKRw2kOkx2LFRvcUV
- TLSH T1B5F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2448 cae45f98 - 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 4972 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe Destination IP 2 223.5.5.5 4972 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe Destination IP 6 114.114.114.114 4972 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe Destination IP 7 223.5.5.5 4972 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe - Drops file in System32 directory 5 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cae45f98 File created C:\Windows\SysWOW64\cae45f98 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cae45f98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cae45f98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cae45f98 -
resource yara_rule behavioral2/memory/4972-0-0x0000000000320000-0x00000000003AC000-memory.dmp upx behavioral2/files/0x001d00000002b11b-2.dat upx behavioral2/memory/2448-4-0x00000000000D0000-0x000000000015C000-memory.dmp upx behavioral2/memory/4972-10-0x0000000000320000-0x00000000003AC000-memory.dmp upx behavioral2/memory/2448-11-0x00000000000D0000-0x000000000015C000-memory.dmp upx behavioral2/memory/2448-24-0x00000000000D0000-0x000000000015C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\551f58 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe File opened for modification C:\Windows\29e920 cae45f98 - 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 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cae45f98 - Modifies data under HKEY_USERS 8 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cae45f98 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cae45f98 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cae45f98 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" cae45f98 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cae45f98 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cae45f98 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cae45f98 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cae45f98 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2448 cae45f98 2448 cae45f98 2448 cae45f98 2448 cae45f98 2448 cae45f98 2448 cae45f98 2448 cae45f98 2448 cae45f98 4972 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe 4972 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe 4972 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe 4972 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe 4972 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe 4972 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4972 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe Token: SeTcbPrivilege 4972 9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe Token: SeDebugPrivilege 2448 cae45f98 Token: SeTcbPrivilege 2448 cae45f98
Processes
-
C:\Users\Admin\AppData\Local\Temp\9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.exe"C:\Users\Admin\AppData\Local\Temp\9fdd4ef8d56f6df320592c910cf989bf460886ad51374ddfd860921cd24081ab.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:4972
-
C:\Windows\Syswow64\cae45f98C:\Windows\Syswow64\cae45f981⤵
- 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:2448
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cae45f98
- Size 766KB
- SHA256 6ca4dd34349052e7e4ecf26bf8ebf3e9d5e0a7b30bc30dcb87906f116c2e0f26
- MD5 95d75d6a1598d7708ad2c2e4e5df74cd
- SHA1 1365458eb831d852d481e1eaec9b366aa25da620
- SHA512 a4044af208289a5bd5f721db774910f381f73a7072b2b4ab2b8cab299ca34b4aa9e179436123c546e145ffd3cc42976da0cab2290b9438d9b9b8bd3a60495290
- SSDEEP 12288:NSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:MvO2xJKRw2kOkx2LFRvcUV
- TLSH T101F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH