Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/07/2026, 19:58
Behavioral task
behavioral1
Sample
a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe
- Size 1024KB
- Sample260718-yp65kabv5m
- SHA256 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840
- MD5 e315a3e258ef05ec5a4f4f949d38eff9
- SHA1 3d884d17e4c4a3161291407ef4130ae3e7cc23c5
- SHA512 00f883814a4ec0ca745a98af3b4967d2a7caf6d941058f4cff4954a22134317c253914d1a7d32da83e7e7fc79f737b6c10a03112a9b0c032e47d9500fe8c13fa
- SSDEEP 24576:AjHPOSOkx2LFshuZ98Es8k3OH3C0rQ6+y:ATGkQyhuTtS0rQi
- TLSH T1B825AF31E242C03AD5A70172C6BE0BAF95787D25472951C7A3D43D6A2FB22D2AE3570F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4760 1a80de45 - 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 1 114.114.114.114 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe Destination IP 2 223.5.5.5 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe Destination IP 11 114.114.114.114 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe Destination IP 12 223.5.5.5 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.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 1a80de45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1a80de45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1a80de45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1a80de45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1a80de45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 1a80de45 File created C:\Windows\SysWOW64\1a80de45 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1a80de45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1a80de45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1a80de45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1a80de45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 1a80de45 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1a80de45 -
resource yara_rule behavioral2/memory/924-0-0x0000000000900000-0x0000000000989000-memory.dmp upx behavioral2/files/0x000a000000011390-2.dat upx behavioral2/memory/4760-3-0x0000000000EA0000-0x0000000000F29000-memory.dmp upx behavioral2/memory/924-10-0x0000000000900000-0x0000000000989000-memory.dmp upx behavioral2/memory/4760-12-0x0000000000EA0000-0x0000000000F29000-memory.dmp upx behavioral2/memory/924-25-0x0000000000900000-0x0000000000989000-memory.dmp upx behavioral2/memory/4760-26-0x0000000000EA0000-0x0000000000F29000-memory.dmp upx behavioral2/memory/4760-36-0x0000000000EA0000-0x0000000000F29000-memory.dmp upx behavioral2/memory/924-53-0x0000000000900000-0x0000000000989000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\517e30 1a80de45 File opened for modification C:\Windows\fd1b8 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.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 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1a80de45 - 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\Content\CachePrefix 1a80de45 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1a80de45 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1a80de45 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1a80de45 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1a80de45 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1a80de45 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1a80de45 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1a80de45 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1a80de45 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4760 1a80de45 4760 1a80de45 4760 1a80de45 4760 1a80de45 4760 1a80de45 4760 1a80de45 4760 1a80de45 4760 1a80de45 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe Token: SeTcbPrivilege 924 a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe Token: SeDebugPrivilege 4760 1a80de45 Token: SeTcbPrivilege 4760 1a80de45
Processes
-
C:\Users\Admin\AppData\Local\Temp\a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.exe"C:\Users\Admin\AppData\Local\Temp\a558ba2bbd7929dc7bda6fca36de57b8d4ba9fb4decfd79855297cf191a3f840.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:924
-
C:\Windows\Syswow64\1a80de45C:\Windows\Syswow64\1a80de451⤵
- 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:4760
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1a80de45
- Size 1024KB
- SHA256 8bec973c41721f410491129a4b5d34af12ba46f5992f076d03274fdacce3dc71
- MD5 68a3e12fe213f8e0438c0f8037198387
- SHA1 ba25b33a0e11f58d4a2926651fa8ea9851614e34
- SHA512 71965a421b23dffbff7443f3eb4160ac552f625d045eff40a41e08ef4e35a0fe5e15ec96f5ce2779b2e87504d4956b7dc46fecc3ad7bd893759af56d0c1e9299
- SSDEEP 24576:hjHPOSOkx2LFshuZ98Es8k3OH3C0rQ6+y:hTGkQyhuTtS0rQi
- TLSH T1F025AF31E242C03AD5A70172C6BE0BAF95787D25472951C7A3D43D6A2FB22D2AE3570F
- MD5 SHA1 SHA512 SSDEEP TLSH