Analysis
- max time kernel
148s - 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
01/08/2026, 19:13
Behavioral task
behavioral1
Sample
a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe
- Size 560KB
- Sample260801-xw8rasvalh
- SHA256 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6
- MD5 db211525383109134a950ff8aa45b0d1
- SHA1 968019651521ffc800e23f0757a5397a13f2ceab
- SHA512 fb94fd01fff42f8d383d105da68e318cb04fed6e37ef70987323432d74f9243a2809fb51625a91400e79d7edc3cde131f784ec017da32f4e01625a05255af767
- SSDEEP 6144:iWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:ikCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T17CC47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3308 e2dc8ee2 - 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 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe Destination IP 3 223.5.5.5 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe Destination IP 20 114.114.114.114 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe Destination IP 21 223.5.5.5 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.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 e2dc8ee2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft e2dc8ee2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache e2dc8ee2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e2dc8ee2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE e2dc8ee2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData e2dc8ee2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e2dc8ee2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e2dc8ee2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e2dc8ee2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e2dc8ee2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content e2dc8ee2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e2dc8ee2 File created C:\Windows\SysWOW64\e2dc8ee2 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 e2dc8ee2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies e2dc8ee2 -
resource yara_rule behavioral2/memory/4112-0-0x0000000000450000-0x00000000004DC000-memory.dmp upx behavioral2/files/0x0008000000016b4d-2.dat upx behavioral2/memory/3308-3-0x00000000005B0000-0x000000000063C000-memory.dmp upx behavioral2/memory/4112-18-0x0000000000450000-0x00000000004DC000-memory.dmp upx behavioral2/memory/3308-19-0x00000000005B0000-0x000000000063C000-memory.dmp upx behavioral2/memory/3308-31-0x00000000005B0000-0x000000000063C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\38a258 e2dc8ee2 File opened for modification C:\Windows\466620 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.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 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e2dc8ee2 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" e2dc8ee2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing e2dc8ee2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" e2dc8ee2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ e2dc8ee2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" e2dc8ee2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" e2dc8ee2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" e2dc8ee2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix e2dc8ee2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" e2dc8ee2 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3308 e2dc8ee2 3308 e2dc8ee2 3308 e2dc8ee2 3308 e2dc8ee2 3308 e2dc8ee2 3308 e2dc8ee2 3308 e2dc8ee2 3308 e2dc8ee2 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe Token: SeTcbPrivilege 4112 a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe Token: SeDebugPrivilege 3308 e2dc8ee2 Token: SeTcbPrivilege 3308 e2dc8ee2
Processes
-
C:\Users\Admin\AppData\Local\Temp\a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.exe"C:\Users\Admin\AppData\Local\Temp\a5b0cc1fa2e6380e47b18fdc65da9a3f79758f02ff09b9e246401a50233df4a6.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:4112
-
C:\Windows\Syswow64\e2dc8ee2C:\Windows\Syswow64\e2dc8ee21⤵
- 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:3308
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\e2dc8ee2
- Size 560KB
- SHA256 9e304d702bfa6e28fbe080b212785e938b1dcda53825d16f3bcac113878f1194
- MD5 9e28117f133cc60e051ce1bbe7c3ff9c
- SHA1 ea84a0d7bddb76e5a9147ba80b9fd194d261cdb0
- SHA512 6a62554233ec006979bad8f68766e71a7006a1a8a745bc76297a24f7177a0e1aa3b5723774a6fb70f0008b2cccc8232f8655ef9b0e525de003d15a60c7101c8e
- SSDEEP 6144:OWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:OkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T130C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH