Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/09/2026, 19:44
Behavioral task
behavioral1
Sample
a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe
- Size 832KB
- Sample260930-yfveeagf97
- SHA256 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8
- MD5 99ccd2dd68bbb6915ebda6f3fd1fd8ed
- SHA1 503feb22dfb184cd529337e7631cdbcafcc679d9
- SHA512 fe42f5799c7eae2d2ea9d7bab80349e65b634ba609a247ed763ab1c456c208229a231d7fde929d574ecf9d53b13cd4ca863620f11e00be5fcfee4efb6b8cac04
- SSDEEP 12288:2SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Likr:1vO2xJKRw2kOkx2LFRvcUv
- TLSH T1A2055A31E6418036D1B34576C6FA0BBFE664BD25131155CBA3C4BA262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3568 a0e48fda - Unexpected DNS network traffic destination 18 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 3 114.114.114.114 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 124 223.5.5.5 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 236 223.5.5.5 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 401 114.114.114.114 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 234 114.114.114.114 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 301 114.114.114.114 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 302 223.5.5.5 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 462 114.114.114.114 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 463 223.5.5.5 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 58 114.114.114.114 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 59 223.5.5.5 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 157 223.5.5.5 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 371 223.5.5.5 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 402 223.5.5.5 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 6 223.5.5.5 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 123 114.114.114.114 3568 a0e48fda Destination IP 156 114.114.114.114 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 370 114.114.114.114 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a0e48fda File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a0e48fda File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a0e48fda File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a0e48fda File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a0e48fda File created C:\Windows\SysWOW64\a0e48fda a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a0e48fda File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a0e48fda File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a0e48fda File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a0e48fda File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a0e48fda File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a0e48fda File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a0e48fda -
resource yara_rule behavioral1/memory/4468-0-0x00000000000C0000-0x000000000014C000-memory.dmp upx behavioral1/files/0x000800000002451e-2.dat upx behavioral1/memory/3568-3-0x0000000000060000-0x00000000000EC000-memory.dmp upx behavioral1/memory/4468-16-0x00000000000C0000-0x000000000014C000-memory.dmp upx behavioral1/memory/3568-17-0x0000000000060000-0x00000000000EC000-memory.dmp upx behavioral1/memory/3568-36-0x0000000000060000-0x00000000000EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4c7e68 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe File opened for modification C:\Windows\3d15e0 a0e48fda - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain a0e48fda Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname a0e48fda - 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 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a0e48fda - 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\Content\CachePrefix a0e48fda Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a0e48fda Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a0e48fda Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a0e48fda Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a0e48fda Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a0e48fda Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a0e48fda Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a0e48fda Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a0e48fda - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3568 a0e48fda 3568 a0e48fda 3568 a0e48fda 3568 a0e48fda 3568 a0e48fda 3568 a0e48fda 3568 a0e48fda 3568 a0e48fda 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Token: SeTcbPrivilege 4468 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Token: SeDebugPrivilege 3568 a0e48fda Token: SeTcbPrivilege 3568 a0e48fda
Processes
-
C:\Users\Admin\AppData\Local\Temp\a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe"C:\Users\Admin\AppData\Local\Temp\a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4468
-
C:\Windows\Syswow64\a0e48fdaC:\Windows\Syswow64\a0e48fda1⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3568
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a0e48fda
- Size 832KB
- SHA256 d7cb44337edcbba03ab794e4242f9357c26c4270484f628a45f90c81b272f873
- MD5 aaf6a8395f3539feee20f8015a8dbc44
- SHA1 5140ff83cc90c7bb016cfe05922f4eb91df10c59
- SHA512 65864354f8e6e1c47977efbdf1e9900832fea55219e41d179b1277bf85d3741920c46edcadafa53792ec4209f65093fd55bc93f1b01c55719a1955293a63d9b6
- SSDEEP 12288:dSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Likr:8vO2xJKRw2kOkx2LFRvcUv
- TLSH T178055A31E6418036D1B34576C6FA0BBFE664BD25131155CBA3C4BA262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH