Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
06/08/2026, 20:10
Behavioral task
behavioral1
Sample
a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe
- Size 560KB
- Sample260806-yxtjfatscs
- SHA256 a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9
- MD5 31b00653e1b2b5491212f85df7d43b3c
- SHA1 bf8981bf0d782ca52b26bb5547fe95bc27bfaba9
- SHA512 fd0f2f832584378aca90dec9f472acdd0518af030e7bfbf9f878e193a3650026ca7a5959a41f8c98b5c55096174e76f783448c445e7b4c68a714489ab0b63192
- SSDEEP 6144:tWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:tkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T1FFC47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 636 4d593044 - 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 23 114.114.114.114 1584 a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe Destination IP 24 223.5.5.5 1584 a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe Destination IP 3 114.114.114.114 1584 a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe Destination IP 6 223.5.5.5 1584 a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe - Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\4d593044 a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4d593044 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4d593044 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4d593044 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4d593044 -
resource yara_rule behavioral1/memory/1584-0-0x0000000000D90000-0x0000000000E1C000-memory.dmp upx behavioral1/files/0x000c00000002428e-2.dat upx behavioral1/memory/636-3-0x0000000000200000-0x000000000028C000-memory.dmp upx behavioral1/memory/1584-10-0x0000000000D90000-0x0000000000E1C000-memory.dmp upx behavioral1/memory/636-11-0x0000000000200000-0x000000000028C000-memory.dmp upx behavioral1/memory/636-16-0x0000000000200000-0x000000000028C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\ae378 4d593044 File opened for modification C:\Windows\1b1e60 a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.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 a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4d593044 - Modifies data under HKEY_USERS 8 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4d593044 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 4d593044 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4d593044 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4d593044 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4d593044 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4d593044 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4d593044 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4d593044 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 636 4d593044 636 4d593044 636 4d593044 636 4d593044 636 4d593044 636 4d593044 636 4d593044 636 4d593044 1584 a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe 1584 a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe 1584 a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe 1584 a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe 1584 a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe 1584 a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1584 a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe Token: SeTcbPrivilege 1584 a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe Token: SeDebugPrivilege 636 4d593044 Token: SeTcbPrivilege 636 4d593044
Processes
-
C:\Users\Admin\AppData\Local\Temp\a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.exe"C:\Users\Admin\AppData\Local\Temp\a57417618956fd37eab06f47c4df63515a75fb550db6817a3f69039a1634dbd9.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:1584
-
C:\Windows\Syswow64\4d593044C:\Windows\Syswow64\4d5930441⤵
- 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:636
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4d593044
- Size 560KB
- SHA256 6ed33ee40f75b260c23a92d3c0401818c11cb4742e8d6f69d61e3a4eb56a9e1c
- MD5 d2f555dd8ce670ac9b090e902e76b040
- SHA1 d510cfb777cc90a0130f6bb3b18b640212e7b2e7
- SHA512 97b10b21a3c6adb606114815fb55f4be0c7b123c03f97c61351265680c7aa941e43fe8e8a62af4c45a0127f4e0c1f4c323bc940a1d9d501a42b2b9360f95b911
- SSDEEP 6144:kWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:kkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T1BBC47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH