Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/09/2026, 22:46
Behavioral task
behavioral1
Sample
a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe
- Size 766KB
- Sample260920-2p62ca1dpc
- SHA256 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505
- MD5 af7fe3673a979bb50d8aab3b162a8251
- SHA1 cf173f397f74e56d4bf8814a2743df7370d52f4b
- SHA512 22ac3008355cd76585446802786f04bcb0bb0908d7f78bf9fca22664093bab4abeca428add24efbdac96e415fedcab5caccf0687fae86db2564f6b64e53ee77b
- SSDEEP 12288:1SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:0vO2xJKRw2kOkx2LFRvcUV
- TLSH T15BF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2372 205967ac - 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 4 114.114.114.114 3888 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe Destination IP 6 223.5.5.5 3888 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe Destination IP 39 114.114.114.114 3888 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe Destination IP 40 223.5.5.5 3888 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 205967ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 205967ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 205967ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 205967ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 205967ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 205967ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 205967ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 205967ac File created C:\Windows\SysWOW64\205967ac a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 205967ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 205967ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 205967ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 205967ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 205967ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 205967ac -
resource yara_rule behavioral1/memory/3888-0-0x00000000002C0000-0x000000000034C000-memory.dmp upx behavioral1/files/0x000600000001e3e5-2.dat upx behavioral1/memory/2372-4-0x00000000007F0000-0x000000000087C000-memory.dmp upx behavioral1/memory/3888-10-0x00000000002C0000-0x000000000034C000-memory.dmp upx behavioral1/memory/2372-11-0x00000000007F0000-0x000000000087C000-memory.dmp upx behavioral1/memory/2372-30-0x00000000007F0000-0x000000000087C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\289c08 205967ac File opened for modification C:\Windows\429060 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.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 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 205967ac - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 205967ac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 205967ac Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 205967ac Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 205967ac Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 205967ac Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 205967ac Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 205967ac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 205967ac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 205967ac - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 205967ac Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 205967ac - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2372 205967ac 2372 205967ac 2372 205967ac 2372 205967ac 2372 205967ac 2372 205967ac 2372 205967ac 2372 205967ac 3888 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 3888 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 3888 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 3888 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 3888 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 3888 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3888 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe Token: SeTcbPrivilege 3888 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe Token: SeDebugPrivilege 2372 205967ac Token: SeTcbPrivilege 2372 205967ac
Processes
-
C:\Users\Admin\AppData\Local\Temp\a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe"C:\Users\Admin\AppData\Local\Temp\a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.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:3888
-
C:\Windows\Syswow64\205967acC:\Windows\Syswow64\205967ac1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2372
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\205967ac
- Size 766KB
- SHA256 139ed842a6df265988433be8de0bcae5cb3631e7a8d647c8e049569a9285700a
- MD5 11daf700a47270d6348409d6b606f450
- SHA1 351e4b68a6cfe6d98b6aad80d83311c3f627da17
- SHA512 ba3c74b21faabf5dc890f2a6376e9d33fd752f5a48a180f315f21bc3ff8cce9d93050de00efc5367a4533ac6e6e1e73017e5713d1e819e60c7d5e4fe15a09b1d
- SSDEEP 12288:hSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:ovO2xJKRw2kOkx2LFRvcUV
- TLSH T1CCF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH