Analysis
- max time kernel
150s - max time network
156s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-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 6024 2128ad12 - Unexpected DNS network traffic destination 22 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 93 223.5.5.5 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 147 223.5.5.5 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 178 114.114.114.114 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 280 223.5.5.5 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 395 223.5.5.5 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 146 114.114.114.114 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 179 223.5.5.5 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 232 114.114.114.114 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 278 114.114.114.114 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 309 114.114.114.114 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 340 223.5.5.5 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 394 114.114.114.114 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 38 223.5.5.5 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 91 114.114.114.114 6024 2128ad12 Destination IP 339 114.114.114.114 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 2 114.114.114.114 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 3 223.5.5.5 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 233 223.5.5.5 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 310 223.5.5.5 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 448 114.114.114.114 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 449 223.5.5.5 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Destination IP 37 114.114.114.114 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2128ad12 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 2128ad12 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2128ad12 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 2128ad12 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 2128ad12 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2128ad12 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2128ad12 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2128ad12 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2128ad12 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2128ad12 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2128ad12 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2128ad12 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 2128ad12 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2128ad12 File created C:\Windows\SysWOW64\2128ad12 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe -
resource yara_rule behavioral2/memory/236-0-0x00000000008B0000-0x000000000093C000-memory.dmp upx behavioral2/files/0x000d000000019cb7-2.dat upx behavioral2/memory/6024-4-0x0000000000950000-0x00000000009DC000-memory.dmp upx behavioral2/memory/236-20-0x00000000008B0000-0x000000000093C000-memory.dmp upx behavioral2/memory/6024-21-0x0000000000950000-0x00000000009DC000-memory.dmp upx behavioral2/memory/6024-44-0x0000000000950000-0x00000000009DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\672210 2128ad12 File opened for modification C:\Windows\40a58 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe - 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 2128ad12 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 2128ad12 - 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 2128ad12 - 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 2128ad12 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2128ad12 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2128ad12 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2128ad12 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2128ad12 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2128ad12 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 2128ad12 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2128ad12 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2128ad12 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 6024 2128ad12 6024 2128ad12 6024 2128ad12 6024 2128ad12 6024 2128ad12 6024 2128ad12 6024 2128ad12 6024 2128ad12 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Token: SeTcbPrivilege 236 a4d691620824b572a67c4e0fc4a31d4b5897e4774cf6354820a064561d697fd8.exe Token: SeDebugPrivilege 6024 2128ad12 Token: SeTcbPrivilege 6024 2128ad12
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:236
-
C:\Windows\Syswow64\2128ad12C:\Windows\Syswow64\2128ad121⤵
- 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:6024
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\2128ad12
- Size 832KB
- SHA256 3bb22fb681a1d846102018c5f2bb311e3b941cc0862294611dc639892ca93530
- MD5 75f00cdd182e37f7c8b851491793bea8
- SHA1 fc67ad98886f81ad71f8c7c623917a34bed97082
- SHA512 e98ed4156554b4494c5f8822598a754792b9ec8e9d618becd7d00c66d39d4a365c036ce7f158af10284b0a294391461fbfdca39ec9c1078947067194d3f03b5d
- SSDEEP 12288:aSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Likr:BvO2xJKRw2kOkx2LFRvcUv
- TLSH T163055A31E6418036D1B34576C6FA0BBFE664BD25131155CBA3C4BA262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH