Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 01:51
Behavioral task
behavioral1
Sample
90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe
- Size 1024KB
- Sample260809-b97khagc82
- SHA256 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b
- MD5 af5d30189f1f34607f8e3c280f515369
- SHA1 4035a6e20f1d72b99c4b6c19653e4f2634df83de
- SHA512 103b5e1c4f56b9c82ee54a7fb5e841a7e8c60473229e00f0e4856815964a371efd7b265f7de303353c11a9afa9a3157b55a9ff1c95bfbff44c9ac77413d59e2d
- SSDEEP 24576:zjHPOSOkx2LFshuZ98Es8k3OH3C0rQ6+y:zTGkQyhuTtS0rQi
- TLSH T17C25AF31E242C03AD5A70172C6BE0BAF95787D25472951C7A3D43D6A2FB22D2AE3570F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5112 dfef5c30 - 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 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe Destination IP 4 223.5.5.5 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe Destination IP 18 114.114.114.114 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe Destination IP 19 223.5.5.5 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.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 dfef5c30 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE dfef5c30 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies dfef5c30 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache dfef5c30 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData dfef5c30 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 dfef5c30 File created C:\Windows\SysWOW64\dfef5c30 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft dfef5c30 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content dfef5c30 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 dfef5c30 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 dfef5c30 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C dfef5c30 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 dfef5c30 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 dfef5c30 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C dfef5c30 -
resource yara_rule behavioral2/memory/5564-0-0x0000000000EE0000-0x0000000000F69000-memory.dmp upx behavioral2/files/0x001100000001b303-2.dat upx behavioral2/memory/5112-3-0x0000000000860000-0x00000000008E9000-memory.dmp upx behavioral2/memory/5564-13-0x0000000000EE0000-0x0000000000F69000-memory.dmp upx behavioral2/memory/5112-15-0x0000000000860000-0x00000000008E9000-memory.dmp upx behavioral2/memory/5112-20-0x0000000000860000-0x00000000008E9000-memory.dmp upx behavioral2/memory/5564-36-0x0000000000EE0000-0x0000000000F69000-memory.dmp upx behavioral2/memory/5112-37-0x0000000000860000-0x00000000008E9000-memory.dmp upx behavioral2/memory/5564-56-0x0000000000EE0000-0x0000000000F69000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5784f0 dfef5c30 File opened for modification C:\Windows\5f41f8 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.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 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dfef5c30 - 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\History\CachePrefix = "Visited:" dfef5c30 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ dfef5c30 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" dfef5c30 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" dfef5c30 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" dfef5c30 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix dfef5c30 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" dfef5c30 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" dfef5c30 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing dfef5c30 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5112 dfef5c30 5112 dfef5c30 5112 dfef5c30 5112 dfef5c30 5112 dfef5c30 5112 dfef5c30 5112 dfef5c30 5112 dfef5c30 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe Token: SeTcbPrivilege 5564 90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe Token: SeDebugPrivilege 5112 dfef5c30 Token: SeTcbPrivilege 5112 dfef5c30
Processes
-
C:\Users\Admin\AppData\Local\Temp\90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.exe"C:\Users\Admin\AppData\Local\Temp\90066037cbc9d2448714313a7e08661f085e36690f8b3d2fe5cfa370105f8d3b.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:5564
-
C:\Windows\Syswow64\dfef5c30C:\Windows\Syswow64\dfef5c301⤵
- 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:5112
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\dfef5c30
- Size 1024KB
- SHA256 a0038f78382555124666ed999c6a6d1396cdd5aa9e9b15e176ed565d1ec30450
- MD5 e388c1808b6291179ab328e3842483bd
- SHA1 0b3eb801bbcab2593379a9d55ac8b94f226ce262
- SHA512 dcc7c366a63dde09f11cb773f36139f507fa9ce9fa9468128b48f78d4c24710acebcc5cc1c58e85de5a15a6cf4202e42b6e683c4d0d1835f7572b3ff3207ea2e
- SSDEEP 24576:CjHPOSOkx2LFshuZ98Es8k3OH3C0rQ6+y:CTGkQyhuTtS0rQi
- TLSH T11B25AF31E242C03AD5A70172C6BE0BAF95787D25472951C7A3D43D6A2FB22D2AE3570F
- MD5 SHA1 SHA512 SSDEEP TLSH