Analysis
- max time kernel
148s - 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
19/08/2026, 19:55
Behavioral task
behavioral1
Sample
2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe
- Size 2.5MB
- Sample260819-ym5hysvthy
- SHA256 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66
- MD5 5fcc5585ecd09923adedf3bbeeb6fb45
- SHA1 078c0500a39f076cc22050e134e316b66e801f6a
- SHA512 936662db3933c6dfaabf5c7d9668cc6bfcc66f3dabc96f270cbc962fd9ef661b97b95554ba0fbec023fcd0110105c4ce6110641766626303701f396e74c36173
- SSDEEP 49152:QHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:QnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T18BC58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3044 79e7d135 - 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 24 114.114.114.114 2428 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe Destination IP 27 223.5.5.5 2428 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe Destination IP 3 114.114.114.114 2428 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe Destination IP 4 223.5.5.5 2428 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\79e7d135 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 79e7d135 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 79e7d135 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 79e7d135 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 79e7d135 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 79e7d135 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 79e7d135 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 79e7d135 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 79e7d135 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 79e7d135 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 79e7d135 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 79e7d135 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 79e7d135 -
resource yara_rule behavioral1/memory/2428-0-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral1/files/0x00150000000243b3-2.dat upx behavioral1/memory/3044-4-0x00000000003E0000-0x000000000046C000-memory.dmp upx behavioral1/memory/2428-10-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral1/memory/3044-11-0x00000000003E0000-0x000000000046C000-memory.dmp upx behavioral1/memory/3044-28-0x00000000003E0000-0x000000000046C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\299178 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe File opened for modification C:\Windows\341d48 79e7d135 - 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 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 79e7d135 - 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\History\CachePrefix = "Visited:" 79e7d135 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 79e7d135 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 79e7d135 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 79e7d135 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 79e7d135 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 79e7d135 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 79e7d135 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 79e7d135 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 79e7d135 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3044 79e7d135 3044 79e7d135 3044 79e7d135 3044 79e7d135 3044 79e7d135 3044 79e7d135 3044 79e7d135 3044 79e7d135 2428 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2428 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2428 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2428 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2428 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2428 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2428 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe Token: SeTcbPrivilege 2428 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe Token: SeDebugPrivilege 3044 79e7d135 Token: SeTcbPrivilege 3044 79e7d135
Processes
-
C:\Users\Admin\AppData\Local\Temp\2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe"C:\Users\Admin\AppData\Local\Temp\2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.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:2428
-
C:\Windows\Syswow64\79e7d135C:\Windows\Syswow64\79e7d1351⤵
- 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:3044
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\79e7d135
- Size 2.5MB
- SHA256 68e99c2ef4c0a27b9dc15abd94d3dcf7e61c1568966e33d5819ced8a80d32cf1
- MD5 6aee7b213bf15676df1f01cf7f054a76
- SHA1 d3aa676d9281131332afe970ae444f47625adf9e
- SHA512 2df2bfc244c97d9529fae9ff8412aa609b7987791515933d708de7a91ce83d37ab738c41ed48d735fae185a5f289094ea840ca8a401a39d9541599c48d8b6138
- SSDEEP 49152:jHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:jnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T1FBC58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH