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
18/08/2026, 04:15
Behavioral task
behavioral1
Sample
4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe
- Size 766KB
- Sample260818-et73wawbpc
- SHA256 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda
- MD5 91bee02347e2f758978aca9f11f3a043
- SHA1 2d2a276e4d55ecc2e38bbda49dcdb6405d3bc8d6
- SHA512 20c10273732634eeebfd5ecb967fa71ea87920b028fd88a9271c8a5d56f51e99612f671c1c4a0cb2da8f0bbbbf9f5ab5d86e1629ffcced6ab2457ef56a0a3a91
- SSDEEP 12288:USvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:nvO2xJKRw2kOkx2LFRvcUV
- TLSH T100F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5480 a1552da8 - Unexpected DNS network traffic destination 18 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 95 114.114.114.114 5480 a1552da8 Destination IP 96 223.5.5.5 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Destination IP 160 114.114.114.114 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Destination IP 323 223.5.5.5 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Destination IP 1 114.114.114.114 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Destination IP 99 223.5.5.5 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Destination IP 235 114.114.114.114 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Destination IP 237 223.5.5.5 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Destination IP 292 114.114.114.114 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Destination IP 376 114.114.114.114 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Destination IP 98 114.114.114.114 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Destination IP 161 223.5.5.5 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Destination IP 377 223.5.5.5 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Destination IP 2 223.5.5.5 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Destination IP 40 114.114.114.114 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Destination IP 293 223.5.5.5 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Destination IP 322 114.114.114.114 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Destination IP 41 223.5.5.5 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a1552da8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a1552da8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a1552da8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a1552da8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a1552da8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a1552da8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a1552da8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a1552da8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a1552da8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a1552da8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a1552da8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a1552da8 File created C:\Windows\SysWOW64\a1552da8 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe -
resource yara_rule behavioral2/memory/3308-0-0x00000000005F0000-0x000000000067C000-memory.dmp upx behavioral2/files/0x000c00000001b87d-4.dat upx behavioral2/memory/5480-3-0x0000000000490000-0x000000000051C000-memory.dmp upx behavioral2/memory/3308-16-0x00000000005F0000-0x000000000067C000-memory.dmp upx behavioral2/memory/5480-17-0x0000000000490000-0x000000000051C000-memory.dmp upx behavioral2/memory/5480-38-0x0000000000490000-0x000000000051C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5dd1d0 a1552da8 File opened for modification C:\Windows\38a258 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.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 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a1552da8 - 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 a1552da8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a1552da8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a1552da8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a1552da8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a1552da8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a1552da8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a1552da8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a1552da8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a1552da8 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5480 a1552da8 5480 a1552da8 5480 a1552da8 5480 a1552da8 5480 a1552da8 5480 a1552da8 5480 a1552da8 5480 a1552da8 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Token: SeTcbPrivilege 3308 4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe Token: SeDebugPrivilege 5480 a1552da8 Token: SeTcbPrivilege 5480 a1552da8
Processes
-
C:\Users\Admin\AppData\Local\Temp\4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.exe"C:\Users\Admin\AppData\Local\Temp\4dc5307ab5dc402a34b2572a215528de202581300a380bde7321617ec0f57bda.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:3308
-
C:\Windows\Syswow64\a1552da8C:\Windows\Syswow64\a1552da81⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:5480
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a1552da8
- Size 766KB
- SHA256 4da92bd61ff8fc0616c0b4cf88abea96d6ef78b602c1bfb89b5f8aaf86fa19b4
- MD5 338aa50e7d8f3ba29b9f42b84b924f41
- SHA1 172880c5226da1178748ee6642ca3a9a76229efe
- SHA512 b74001c0debce43fd43bc11ac42936a32cbb26e540118b325094eb561cced28347f8dd158f9a7a50f251a848d89f053bcf3b214e7077f42573cfa139d2fc1f52
- SSDEEP 12288:0SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:HvO2xJKRw2kOkx2LFRvcUV
- TLSH T135F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH