Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/08/2026, 09:48
Behavioral task
behavioral1
Sample
b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe
- Size 2.6MB
- Sample260826-ls2yssbn4x
- SHA256 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b
- MD5 7f647db25bc93f4f5055f6b42703f64e
- SHA1 6e2473b5b50551c5f60b5569c972ebbab2e137fe
- SHA512 baa8f09a14da8a21568cce78945e6779ec24dd6a1d9928152e0abadfd9d3abfa3576a608065ab615a7e8230097d627f21c2ba84126cdf36ace7c9bee9b9a84d2
- SSDEEP 49152:gTGkQy56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:gKkVkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T19CC59F31B7818036D1B7427186FA47BBA5297C211715A5CF73C87A2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4848 a5369180 - 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 17 223.5.5.5 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe Destination IP 1 114.114.114.114 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe Destination IP 4 223.5.5.5 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe Destination IP 16 114.114.114.114 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a5369180 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a5369180 File created C:\Windows\SysWOW64\a5369180 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a5369180 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a5369180 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a5369180 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a5369180 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a5369180 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a5369180 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a5369180 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a5369180 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a5369180 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a5369180 -
resource yara_rule behavioral2/memory/1160-0-0x0000000000A70000-0x0000000000AF9000-memory.dmp upx behavioral2/files/0x000600000001b85f-2.dat upx behavioral2/memory/4848-3-0x0000000000180000-0x0000000000209000-memory.dmp upx behavioral2/memory/1160-16-0x0000000000A70000-0x0000000000AF9000-memory.dmp upx behavioral2/memory/4848-18-0x0000000000180000-0x0000000000209000-memory.dmp upx behavioral2/memory/1160-31-0x0000000000A70000-0x0000000000AF9000-memory.dmp upx behavioral2/memory/4848-32-0x0000000000180000-0x0000000000209000-memory.dmp upx behavioral2/memory/1160-47-0x0000000000A70000-0x0000000000AF9000-memory.dmp upx behavioral2/memory/1160-51-0x0000000000A70000-0x0000000000AF9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\52ffe0 a5369180 File opened for modification C:\Windows\13dc10 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.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 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a5369180 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a5369180 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a5369180 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a5369180 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a5369180 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a5369180 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a5369180 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a5369180 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a5369180 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a5369180 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4848 a5369180 4848 a5369180 4848 a5369180 4848 a5369180 4848 a5369180 4848 a5369180 4848 a5369180 4848 a5369180 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe Token: SeTcbPrivilege 1160 b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe Token: SeDebugPrivilege 4848 a5369180 Token: SeTcbPrivilege 4848 a5369180
Processes
-
C:\Users\Admin\AppData\Local\Temp\b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.exe"C:\Users\Admin\AppData\Local\Temp\b5c762b6def9ff3c2e9feb4b93d7fc31cef6bb1575f3687df4cbb86afbb0096b.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:1160
-
C:\Windows\Syswow64\a5369180C:\Windows\Syswow64\a53691801⤵
- 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:4848
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a5369180
- Size 2.6MB
- SHA256 cbbfacff15eb31e66a7aae8632a72d46aa762abc2aadd1a638288fb81491baf5
- MD5 394179ce60e0c649d99bcd93746ef1ba
- SHA1 3cf0e04d5f9657b34c14cc6e9f049f36fc9ecb69
- SHA512 9ac548749ad1251638152a55e76378b550f4472bdccf9c1237aeded6558b369c3373a6957ac342476f915dd761b9537e19a661d2ff104ccb4b850232d2f28894
- SSDEEP 49152:aTGkQy56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:aKkVkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T122C59F31B7818036D1B7427186FA47BBA5297C211715A5CF73C87A2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH