Analysis
- max time kernel
150s - 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
23/08/2026, 23:16
Behavioral task
behavioral1
Sample
a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe
- Size 766KB
- Sample260823-29ht9abe28
- SHA256 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154
- MD5 21ae700a9a54f80f55e4ba8e94cdd66b
- SHA1 79e7408c4987eabb926534c3630b2f3d04135e2e
- SHA512 8a09dca2ecfa5c960909bfd039e3ae272580a4e45ad1d2833ca2ebdd92f3b98a55f7df8a73414cda1390f8cbfc396e78e25b9785486b07bffcfd3c597c8c11cc
- SSDEEP 12288:dSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:8vO2xJKRw2kOkx2LFRvcUV
- TLSH T15FF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4116 774ad152 - Unexpected DNS network traffic destination 10 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 2 114.114.114.114 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe Destination IP 41 114.114.114.114 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe Destination IP 42 223.5.5.5 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe Destination IP 163 114.114.114.114 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe Destination IP 7 223.5.5.5 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe Destination IP 40 114.114.114.114 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe Destination IP 45 223.5.5.5 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe Destination IP 105 114.114.114.114 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe Destination IP 108 223.5.5.5 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe Destination IP 164 223.5.5.5 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.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 774ad152 File created C:\Windows\SysWOW64\774ad152 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 774ad152 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 774ad152 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 774ad152 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 774ad152 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 774ad152 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 774ad152 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 774ad152 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 774ad152 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 774ad152 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 774ad152 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 774ad152 -
resource yara_rule behavioral2/memory/5716-0-0x00000000004A0000-0x000000000052C000-memory.dmp upx behavioral2/files/0x000c00000001b8ae-2.dat upx behavioral2/memory/4116-3-0x0000000000590000-0x000000000061C000-memory.dmp upx behavioral2/memory/5716-16-0x00000000004A0000-0x000000000052C000-memory.dmp upx behavioral2/memory/4116-17-0x0000000000590000-0x000000000061C000-memory.dmp upx behavioral2/memory/4116-34-0x0000000000590000-0x000000000061C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4677a8 774ad152 File opened for modification C:\Windows\61dc28 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.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 774ad152 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 774ad152 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 774ad152 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 774ad152 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 774ad152 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 774ad152 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 774ad152 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 774ad152 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 774ad152 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 774ad152 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4116 774ad152 4116 774ad152 4116 774ad152 4116 774ad152 4116 774ad152 4116 774ad152 4116 774ad152 4116 774ad152 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe Token: SeTcbPrivilege 5716 a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe Token: SeDebugPrivilege 4116 774ad152 Token: SeTcbPrivilege 4116 774ad152
Processes
-
C:\Users\Admin\AppData\Local\Temp\a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.exe"C:\Users\Admin\AppData\Local\Temp\a17988e43ecf68af3151024478bf189a5d9a8a8b6ee724850259b94e92e28154.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:5716
-
C:\Windows\Syswow64\774ad152C:\Windows\Syswow64\774ad1521⤵
- 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:4116
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\774ad152
- Size 766KB
- SHA256 dac025a8ee30e279b9c421f7b38c81fe3e295d6aaf86c78bad8f15af2bd5d916
- MD5 ef74494cb70adcfa8f438f8d67127aad
- SHA1 1c2b5efa024ddf12fcc0c56a4633e932cebafb1a
- SHA512 3e19a0d22f9377812300ac48eab4de4121e68e8ba58a53c707f664af3325f2506d7b8d5cbdd4076430681b5d4d9c6568dc5b0b97387b47a5fcb253a473f77c12
- SSDEEP 12288:tSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:svO2xJKRw2kOkx2LFRvcUV
- TLSH T184F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH