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
16/04/2026, 22:17
Behavioral task
behavioral1
Sample
e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe
Resource
win10v2004-20260130-en
10 signatures
150 seconds
General
- Target e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe
- Size 560KB
- Sample260416-17lmpae16w
- SHA256 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84
- MD5 c9f53c69f409f3333d4d2694625a876e
- SHA1 d3ba14ef8904870b2fa6c4b71a59182cfd3d5192
- SHA512 28c70736b1f141cf9c4a976ecf8157457ac13f5ce1d427b713ea267a1bc537b3575b48484b874522f959ac0288b8bfadb66d03bb382e08802e8c37876cbe2f0b
- SSDEEP 6144:JWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:JkCO2zVPX7vf1LKlIsOkxHy
- TLSH T14CC47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4380 c5adfdc0 - Unexpected DNS network traffic destination 6 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 3652 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe Destination IP 2 223.5.5.5 3652 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe Destination IP 7 114.114.114.114 3652 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe Destination IP 8 223.5.5.5 3652 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe Destination IP 52 114.114.114.114 3652 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe Destination IP 53 223.5.5.5 3652 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c5adfdc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c5adfdc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c5adfdc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c5adfdc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c5adfdc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c5adfdc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c5adfdc0 File created C:\Windows\SysWOW64\c5adfdc0 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c5adfdc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c5adfdc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c5adfdc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c5adfdc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c5adfdc0 -
resource yara_rule behavioral2/memory/3652-0-0x0000000000710000-0x000000000079C000-memory.dmp upx behavioral2/files/0x002b00000002b1d7-2.dat upx behavioral2/memory/4380-4-0x0000000000E80000-0x0000000000F0C000-memory.dmp upx behavioral2/memory/3652-10-0x0000000000710000-0x000000000079C000-memory.dmp upx behavioral2/memory/4380-12-0x0000000000E80000-0x0000000000F0C000-memory.dmp upx behavioral2/memory/4380-40-0x0000000000E80000-0x0000000000F0C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4afcb8 c5adfdc0 File opened for modification C:\Windows\3e8608 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.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 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c5adfdc0 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c5adfdc0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c5adfdc0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c5adfdc0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c5adfdc0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c5adfdc0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c5adfdc0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c5adfdc0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c5adfdc0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c5adfdc0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4380 c5adfdc0 4380 c5adfdc0 4380 c5adfdc0 4380 c5adfdc0 4380 c5adfdc0 4380 c5adfdc0 4380 c5adfdc0 4380 c5adfdc0 3652 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe 3652 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe 3652 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe 3652 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe 3652 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe 3652 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3652 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe Token: SeTcbPrivilege 3652 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe Token: SeDebugPrivilege 4380 c5adfdc0 Token: SeTcbPrivilege 4380 c5adfdc0
Processes
-
C:\Users\Admin\AppData\Local\Temp\e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.exe"C:\Users\Admin\AppData\Local\Temp\e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84.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:3652
-
C:\Windows\Syswow64\c5adfdc0C:\Windows\Syswow64\c5adfdc01⤵
- 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:4380
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c5adfdc0
- Size 560KB
- SHA256 a5d7a1b9efaaefec284284b97c9b6da7186cd27b7e17d642b96e93c096d64886
- MD5 a7caacce4fe06c1d316a9cf4a51af93d
- SHA1 dabbe529b64c88b1dc3fee96f394e6febbd3fd27
- SHA512 005a7ad2d48274a31923366c1dc4eb59a0a7dede6080804bddc8a3fb80b67e5abfc46b03af4843804b9d6ce37a835e19210c49187a5a1ed26e188dd29f271818
- SSDEEP 6144:eWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:ekCO2zVPX7vf1LKlIsOkxHy
- TLSH T102C47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH