Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-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 5048 4e3a4df2 - 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 2 223.5.5.5 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe Destination IP 16 114.114.114.114 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe Destination IP 17 223.5.5.5 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe Destination IP 1 114.114.114.114 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4e3a4df2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4e3a4df2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4e3a4df2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4e3a4df2 File created C:\Windows\SysWOW64\4e3a4df2 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4e3a4df2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4e3a4df2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4e3a4df2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4e3a4df2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4e3a4df2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4e3a4df2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4e3a4df2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4e3a4df2 -
resource yara_rule behavioral2/memory/2564-0-0x0000000000400000-0x000000000048C000-memory.dmp upx behavioral2/memory/5048-4-0x0000000000DF0000-0x0000000000E7C000-memory.dmp upx behavioral2/files/0x000600000001b85f-3.dat upx behavioral2/memory/2564-10-0x0000000000400000-0x000000000048C000-memory.dmp upx behavioral2/memory/5048-11-0x0000000000DF0000-0x0000000000E7C000-memory.dmp upx behavioral2/memory/5048-26-0x0000000000DF0000-0x0000000000E7C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\566c70 4e3a4df2 File opened for modification C:\Windows\2be588 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.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 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4e3a4df2 - 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 4e3a4df2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4e3a4df2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4e3a4df2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4e3a4df2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4e3a4df2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4e3a4df2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4e3a4df2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4e3a4df2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4e3a4df2 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5048 4e3a4df2 5048 4e3a4df2 5048 4e3a4df2 5048 4e3a4df2 5048 4e3a4df2 5048 4e3a4df2 5048 4e3a4df2 5048 4e3a4df2 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe Token: SeTcbPrivilege 2564 2a3c9deb9b74524dcf2e6413c291f0d64997cf0b56fd034932d2f6fe27df9b66.exe Token: SeDebugPrivilege 5048 4e3a4df2 Token: SeTcbPrivilege 5048 4e3a4df2
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:2564
-
C:\Windows\Syswow64\4e3a4df2C:\Windows\Syswow64\4e3a4df21⤵
- 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:5048
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4e3a4df2
- Size 2.5MB
- SHA256 ddb0024320e7d3a17ebc05e44600ab2ca385d576e33f3d3c61db637ee259be25
- MD5 507e62b7c9cf453ff1149f691e4bbcab
- SHA1 34b4cae08e68f770745f1857cc3362f4dfa2099e
- SHA512 f932f761c2b4df16d8609805bd1a2c1e40a9333c4e625792e9326bc251f5ef6ad5161a1fb9b6ba1d76b4c8228e320023d1b3de4f1f288a5487ff6bed39b90ad8
- SSDEEP 49152:LHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:LnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T120C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH