Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 16:52
Behavioral task
behavioral1
Sample
4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe
- Size 2.9MB
- Sample260809-vddr4abd98
- SHA256 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271
- MD5 f00c3fcde2330f0d5b8b0d97d1cfbcbc
- SHA1 fa446ccc61bc7347417db09989a8a4b36093c76a
- SHA512 4f958ec95b5e9723ceed65fe0cc56b1d9c94b450bbeaced8703d9e5fe5b137cf57751dbf762361481e5e6af6a5546fa6c3f9ff089542dc3799fe536f1330d0f1
- SSDEEP 49152:OHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:OnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T1DBD59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4128 d8f22aa0 - 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 1 114.114.114.114 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe Destination IP 2 223.5.5.5 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe Destination IP 21 114.114.114.114 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe Destination IP 22 223.5.5.5 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d8f22aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C d8f22aa0 File created C:\Windows\SysWOW64\d8f22aa0 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d8f22aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d8f22aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d8f22aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C d8f22aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE d8f22aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d8f22aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d8f22aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d8f22aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d8f22aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d8f22aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d8f22aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d8f22aa0 -
resource yara_rule behavioral2/memory/2572-0-0x0000000000E60000-0x0000000000EEC000-memory.dmp upx behavioral2/files/0x000e00000001c51e-4.dat upx behavioral2/memory/4128-3-0x00000000000A0000-0x000000000012C000-memory.dmp upx behavioral2/memory/2572-13-0x0000000000E60000-0x0000000000EEC000-memory.dmp upx behavioral2/memory/4128-14-0x00000000000A0000-0x000000000012C000-memory.dmp upx behavioral2/memory/4128-34-0x00000000000A0000-0x000000000012C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2c0898 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe File opened for modification C:\Windows\46ac40 d8f22aa0 - 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 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d8f22aa0 - 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\Cookies\CachePrefix = "Cookie:" d8f22aa0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d8f22aa0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d8f22aa0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d8f22aa0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d8f22aa0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d8f22aa0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d8f22aa0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d8f22aa0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix d8f22aa0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4128 d8f22aa0 4128 d8f22aa0 4128 d8f22aa0 4128 d8f22aa0 4128 d8f22aa0 4128 d8f22aa0 4128 d8f22aa0 4128 d8f22aa0 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe Token: SeTcbPrivilege 2572 4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe Token: SeDebugPrivilege 4128 d8f22aa0 Token: SeTcbPrivilege 4128 d8f22aa0
Processes
-
C:\Users\Admin\AppData\Local\Temp\4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.exe"C:\Users\Admin\AppData\Local\Temp\4fb892b9f391e6d2e07c38a00d9366bdbc89f8dee71c35b7b42b1103a2ab3271.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:2572
-
C:\Windows\Syswow64\d8f22aa0C:\Windows\Syswow64\d8f22aa01⤵
- 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:4128
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\d8f22aa0
- Size 2.9MB
- SHA256 3b180a5899e05620fe92c325f94779c5eaa62e8f0f1708ba6699928fae4a7cad
- MD5 190c0ef17d09c67beb0e038bafab37d1
- SHA1 c9bb560d5392a4d75cea15220c7ef0e96d3b498f
- SHA512 f6839a6c852a862b7144f45b338b260363fad22accc6bbb94bafbadac6dfea345091056308e458efec910fcb7fcfb137ec4333c51b9f323be311c892151b5f37
- SSDEEP 49152:xHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:xnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T145D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH