Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
15/04/2026, 11:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe
Resource
win10v2004-20260130-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe
Resource
win11-20260130-en
8 signatures
150 seconds
General
- Target ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe
- Size 1.8MB
- Sample260415-m4felsct6k
- SHA256 ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a
- MD5 29969246377d702fabcb08ce3a4872a6
- SHA1 433711fad00b7f7191240bb52f5b7c96ef44ca44
- SHA512 5d0ded67a32cb5e46aaa9ce5016f9c16ee26459d34ac4cf0003ab0c84bbf86995218a5f8919cae370af4902bc5400e3af05608d36456921133fddb017c2c4795
- SSDEEP 49152:YHHKO29Qm5QZuTtS0rQMYOQ+q8CEKTG4QN:YnKdtWsM0r1QnxK4e
- TLSH T13685AE21B351C036D4AB01758ABA47AEA578BD21472551CBB3D47B7E1FB23D2AE3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5400 dc4b57f1 - 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 19 223.5.5.5 2116 ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe Destination IP 1 114.114.114.114 2116 ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe Destination IP 2 223.5.5.5 2116 ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe Destination IP 18 114.114.114.114 2116 ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 dc4b57f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache dc4b57f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData dc4b57f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 dc4b57f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 dc4b57f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 dc4b57f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies dc4b57f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content dc4b57f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C dc4b57f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C dc4b57f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE dc4b57f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft dc4b57f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 dc4b57f1 File created C:\Windows\SysWOW64\dc4b57f1 ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 dc4b57f1 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5c7330 dc4b57f1 File opened for modification C:\Windows\243a08 ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.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 dc4b57f1 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe - 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 dc4b57f1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" dc4b57f1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ dc4b57f1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" dc4b57f1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" dc4b57f1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" dc4b57f1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" dc4b57f1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" dc4b57f1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing dc4b57f1 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5400 dc4b57f1 5400 dc4b57f1 5400 dc4b57f1 5400 dc4b57f1 5400 dc4b57f1 5400 dc4b57f1 5400 dc4b57f1 5400 dc4b57f1 2116 ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe 2116 ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe 2116 ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe 2116 ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe 2116 ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe 2116 ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2116 ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe Token: SeTcbPrivilege 2116 ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe Token: SeDebugPrivilege 5400 dc4b57f1 Token: SeTcbPrivilege 5400 dc4b57f1
Processes
-
C:\Users\Admin\AppData\Local\Temp\ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.exe"C:\Users\Admin\AppData\Local\Temp\ea75a41af155d9fc4b1839cc196c04b3d35b5fab22d443f1d1b8de9863bdd31a.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:2116
-
C:\Windows\Syswow64\dc4b57f1C:\Windows\Syswow64\dc4b57f11⤵
- 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:5400
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\dc4b57f1
- Size 1.8MB
- SHA256 a85f8893931cfb2a1eff808add8c6d2db0ba4c2f6f9d20946550120cb262ba72
- MD5 2a9a308875052e38398d89aa107eab8b
- SHA1 7bb04e850f3971d568500c1307c482c08196a8be
- SHA512 0574a57812817c7c1e6793d3ed8d033eae741e543adf81518afdf13e8c377d484ff69f7906c03491c7a89436d22b17ed6613474bb4aa2c2f4668e7645b7cc894
- SSDEEP 49152:NHHKO29Qm5QZuTtS0rQMYOQ+q8CEKTG4QN:NnKdtWsM0r1QnxK4e
- TLSH T16585AE21B351C036D4AB01758ABA47AEA578BD21472551CBB3D47B7E1FB23D2AE3130E
- MD5 SHA1 SHA512 SSDEEP TLSH