Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
05/05/2026, 19:01
Behavioral task
behavioral1
Sample
eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe
- Size 560KB
- Sample260505-xn75ssh14l
- SHA256 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705
- MD5 38d4372f8f86bd01d2c652edd3c3a3f3
- SHA1 f9f3c73fa4ac1fd840ef7a45d35b472aea911363
- SHA512 c1ef213814b411a711c27129f231240e014376fdf5ecca563a6020d847aefe5360d8c1592b075d85fc7da2f21aadc5d6f9b48d747ac3b479a8dd2fa218d70742
- SSDEEP 6144:ZWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:ZkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T13FC47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4788 a7086500 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 55 114.114.114.114 4800 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe Destination IP 56 223.5.5.5 4800 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe Destination IP 1 114.114.114.114 4800 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe Destination IP 2 223.5.5.5 4800 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe Destination IP 9 114.114.114.114 4800 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe Destination IP 10 223.5.5.5 4800 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe - Drops file in System32 directory 17 IoCs
description ioc Process File created C:\Windows\SysWOW64\a7086500 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a7086500 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a7086500 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 a7086500 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a7086500 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a7086500 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a7086500 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a7086500 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a7086500 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C a7086500 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a7086500 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a7086500 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a7086500 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a7086500 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 a7086500 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C a7086500 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a7086500 -
resource yara_rule behavioral2/memory/4800-0-0x0000000000B60000-0x0000000000BEC000-memory.dmp upx behavioral2/files/0x00130000000256dc-2.dat upx behavioral2/memory/4788-4-0x0000000000960000-0x00000000009EC000-memory.dmp upx behavioral2/memory/4800-10-0x0000000000B60000-0x0000000000BEC000-memory.dmp upx behavioral2/memory/4788-12-0x0000000000960000-0x00000000009EC000-memory.dmp upx behavioral2/memory/4788-42-0x0000000000960000-0x00000000009EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\51f8e8 a7086500 File opened for modification C:\Windows\522d80 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.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 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a7086500 - 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:" a7086500 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a7086500 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a7086500 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a7086500 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a7086500 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a7086500 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a7086500 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a7086500 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a7086500 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4788 a7086500 4788 a7086500 4788 a7086500 4788 a7086500 4788 a7086500 4788 a7086500 4788 a7086500 4788 a7086500 4800 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe 4800 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe 4800 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe 4800 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe 4800 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe 4800 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4800 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe Token: SeTcbPrivilege 4800 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe Token: SeDebugPrivilege 4788 a7086500 Token: SeTcbPrivilege 4788 a7086500
Processes
-
C:\Users\Admin\AppData\Local\Temp\eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe"C:\Users\Admin\AppData\Local\Temp\eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.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:4800
-
C:\Windows\Syswow64\a7086500C:\Windows\Syswow64\a70865001⤵
- 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:4788
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a7086500
- Size 560KB
- SHA256 4b3bfc315d9754d16047dd66185d63e1c7756af23f851a2ac1052dfb3014c37f
- MD5 60ab9bb9aba6496644942953e4c7d96d
- SHA1 ba9eca3a91c155e6e8ae2ca7bca0741569367a1b
- SHA512 709cf699ed420e0a1a24b7e0c2286776f3ea11d8837b4817e52aa6892dc0edfa758fcc9b67ed32e90fd69a25335842c6f2b3d425ea3a176e2712b308f8414a6b
- SSDEEP 6144:EWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:EkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T1E6C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH