Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/09/2026, 23:59
Behavioral task
behavioral1
Sample
f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe
- Size 560KB
- Sample260920-31227sec44
- SHA256 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51
- MD5 01569649421b641ef0549ae84c4683ed
- SHA1 0c4304adf89165e73bd71abaeb115516e0bc03f7
- SHA512 c35471a857a2aae1c1127d050840b886ef39fcd60f78069b48c49e0f2c5f7f475e464251ffeef47d7cccefe3b59622ede1f14c743f3c6fa7533c9ef82a727912
- SSDEEP 6144:D6UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:DO7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T181C46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2480 1e2f8596 - 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 29 223.5.5.5 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe Destination IP 70 114.114.114.114 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe Destination IP 71 223.5.5.5 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe Destination IP 3 114.114.114.114 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe Destination IP 5 223.5.5.5 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe Destination IP 28 114.114.114.114 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1e2f8596 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1e2f8596 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1e2f8596 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1e2f8596 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1e2f8596 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1e2f8596 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1e2f8596 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 1e2f8596 File created C:\Windows\SysWOW64\1e2f8596 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1e2f8596 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1e2f8596 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1e2f8596 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1e2f8596 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1e2f8596 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 1e2f8596 -
resource yara_rule behavioral2/memory/2976-0-0x00000000006F0000-0x000000000077C000-memory.dmp upx behavioral2/files/0x000a00000001b2cb-2.dat upx behavioral2/memory/2480-3-0x0000000000E60000-0x0000000000EEC000-memory.dmp upx behavioral2/memory/2976-13-0x00000000006F0000-0x000000000077C000-memory.dmp upx behavioral2/memory/2480-14-0x0000000000E60000-0x0000000000EEC000-memory.dmp upx behavioral2/memory/2480-34-0x0000000000E60000-0x0000000000EEC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\32f340 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe File opened for modification C:\Windows\2a7560 1e2f8596 - 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 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1e2f8596 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1e2f8596 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1e2f8596 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1e2f8596 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1e2f8596 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1e2f8596 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1e2f8596 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1e2f8596 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1e2f8596 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1e2f8596 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2480 1e2f8596 2480 1e2f8596 2480 1e2f8596 2480 1e2f8596 2480 1e2f8596 2480 1e2f8596 2480 1e2f8596 2480 1e2f8596 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe Token: SeTcbPrivilege 2976 f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe Token: SeDebugPrivilege 2480 1e2f8596 Token: SeTcbPrivilege 2480 1e2f8596
Processes
-
C:\Users\Admin\AppData\Local\Temp\f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.exe"C:\Users\Admin\AppData\Local\Temp\f43a82ee87901cf9eb68c87b3fa0e38fd091e634c2a22b9b1f37aab409762d51.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:2976
-
C:\Windows\Syswow64\1e2f8596C:\Windows\Syswow64\1e2f85961⤵
- 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:2480
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1e2f8596
- Size 560KB
- SHA256 218a328513faab24353684e2e8d32b04ace9f63776c45c1be385f25540c5a75d
- MD5 db4b72788fcdbe56eea71f0193432b4d
- SHA1 111276a5563d45e4ca9ab4d099057bd2641f13a3
- SHA512 c91ed573fdc0b4082496e9685a7810238187db16892d4df88c88193e37fc0ff68f365d97f7c8029000c14ce9c66e077097dff824037c9c51a366581766a6cd3d
- SSDEEP 6144:16UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:1O7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T1E3C46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH